US2015068011A1PendingUtilityA1

Scaffold and methods for installing or removing such a scaffold

Assignee: LAYHER W VERWALTUNGS GMBHPriority: Feb 19, 2010Filed: Nov 18, 2014Published: Mar 12, 2015
Est. expiryFeb 19, 2030(~3.6 yrs left)· nominal 20-yr term from priority
Inventors:Helmut Kreller
E04G 1/14E04G 7/32Y10T29/49815E04G 5/14Y10T29/49826E04G 11/48E04G 5/147
50
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

A scaffold and method(s) for installing or removing such a scaffold that is constructed of at least two vertical frames and of at least two connecting elements that extend essentially horizontally, in each instance, includes at least one connecting element serving as a hip and/or back railing element, vertical supports having respective effective lengths essentially corresponding for example to the vertical distance of the attachment position for the hip and/or back railing element, and horizontal arms set onto one another to form transverse rungs, in each instance, of a ladder for allowing a person to climb up.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method for installing a scaffold, the method comprising steps of:
 (a) providing a first vertical region of said scaffold, said first vertical region comprising at least one first floor plate, a first vertical frame, a second vertical frame, and a first connecting rod connecting said first vertical frame with said second vertical frame, said first vertical frame comprising
 a first first vertical frame vertical support; 
 a first first vertical frame perforated disk for connecting holding devices, said first first vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said first first vertical frame vertical support; 
 a second first vertical frame vertical support disposed at a first horizontal distance from said first first vertical frame vertical support and parallel to said first first vertical frame vertical support; 
 a second first vertical frame perforated disk for connecting holding devices, said second first vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said second first vertical frame vertical support; 
 a first first vertical frame horizontal arm extending between said first first vertical frame vertical support and said second first vertical frame vertical support perpendicular to said first and second first vertical frame vertical supports and having first and second ends attached, respectively, to said first and second first vertical frame vertical supports via welding; and 
 a second first vertical frame horizontal arm extending between said first first vertical frame vertical support and said second first vertical frame vertical support perpendicular to said first and second first vertical frame vertical supports and having first and second ends attached, respectively, to said first and second first vertical frame vertical supports via welding, said second first vertical frame horizontal arm extending parallel to said first first vertical frame horizontal arm and being disposed at a first vertical frame horizontal arm vertical separation distance above said first first vertical frame horizontal arm; 
   
       said second vertical frame comprising
 a first second vertical frame vertical support; 
 a first second vertical frame perforated disk for connecting holding devices, said first second vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said first second vertical frame vertical support; 
 a second second vertical frame vertical support disposed at a second horizontal distance from said first second vertical frame vertical support and parallel to said first second vertical frame vertical support; 
 a second second vertical frame perforated disk for connecting holding devices, said second second vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said second second vertical frame vertical support; 
 a first second vertical frame horizontal arm extending between said first second vertical frame vertical support and said second second vertical frame vertical support perpendicular to said first and second second vertical frame vertical supports and having first and second ends attached, respectively, to said first and second second vertical frame vertical supports via welding; and 
 a second second vertical frame horizontal arm extending between said first second vertical frame vertical support and said second second vertical frame vertical support perpendicular to said first and second second vertical frame vertical supports and having first and second ends attached, respectively, to said first and second second vertical frame vertical supports via welding, said second second vertical frame horizontal arm extending parallel to said first second vertical frame horizontal arm and being disposed at a second vertical frame horizontal arm vertical separation distance above said first second vertical frame horizontal arm; 
 said first connecting rod extending horizontally between said first first vertical frame vertical support and said first second vertical frame vertical support and being a single scaffolding tie bar comprising a first scaffolding tube having a first first scaffolding tube connecting head at a first end and having a second first scaffolding tube connecting head at a second end, the first first scaffolding tube connecting head being set to said first first vertical frame perforated disk and being releasably attached to said first first vertical frame perforated disk via a first connecting wedge, and the second first scaffolding tube connecting head being set to said first second vertical frame perforated disk and being releasably attached to said first second vertical frame perforated disk via a second connecting wedge, said first connecting rod serving as a first railing element for providing protection from falling off of said at least one first floor plate for an object on said at least one first floor plate; 
 (b) providing a third vertical frame, said third vertical frame comprising
 a first third vertical frame vertical support; 
 a first third vertical frame perforated disk for connecting holding devices, said first third vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said first third vertical frame vertical support; 
 a second third vertical frame vertical support disposed at a third horizontal distance from said first third vertical frame vertical support and parallel to said first third vertical frame vertical support; 
 a second third vertical frame perforated disk for connecting holding devices, said second third vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said second third vertical frame vertical support; 
 a first third vertical frame horizontal arm extending between said first third vertical frame vertical support and said second third vertical frame vertical support perpendicular to said first and second third vertical frame vertical supports and having first and second ends attached, respectively, to said first and second third vertical frame vertical supports via welding; and 
 a second third vertical frame horizontal arm extending between said first third vertical frame vertical support and said second third vertical frame vertical support perpendicular to said first and second third vertical frame vertical supports and having first and second ends attached, respectively, to said first and second third vertical frame vertical supports via welding, said second third vertical frame horizontal arm being disposed at a third vertical frame horizontal arm vertical separation distance above said first third vertical frame horizontal arm; 
 
 (c) setting said third vertical frame onto said first vertical frame such that said first first vertical frame horizontal arm, said second first vertical frame horizontal arm, said first third vertical frame horizontal arm, and said second third horizontal arm form transverse rungs of a first ladder; 
 (d) providing a fourth vertical frame, said fourth vertical frame comprising
 a first fourth vertical frame vertical support; 
 a first fourth vertical frame perforated disk for connecting holding devices, said first fourth vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said first fourth vertical frame vertical support; 
 a second fourth vertical frame vertical support disposed at a fourth horizontal distance from said first fourth vertical frame vertical support and parallel to said first fourth vertical frame vertical support; 
 a second fourth vertical frame perforated disk for connecting holding devices, said second fourth vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said second fourth vertical frame vertical support; 
 a first fourth vertical frame horizontal arm extending between said first fourth vertical frame vertical support and said second fourth vertical frame vertical support perpendicular to said first and second fourth vertical frame vertical supports and having first and second ends attached, respectively, to said first and second fourth vertical frame vertical supports via welding; and 
 a second fourth vertical frame horizontal arm extending between said first fourth vertical frame vertical support and said second fourth vertical frame vertical support perpendicular to said first and second fourth vertical frame vertical supports and having first and second ends attached, respectively, to said first and second fourth vertical frame vertical supports via welding, said second fourth vertical frame horizontal arm being disposed at a fourth vertical frame horizontal arm vertical separation distance above said first fourth vertical frame horizontal arm; 
 
 (e) setting said fourth vertical frame onto said second vertical frame such that said first second vertical frame horizontal arm, said second second vertical frame horizontal arm, said first fourth vertical frame horizontal arm, and said second fourth horizontal arm form transverse rungs of a second ladder; 
 (f) directly grasping via a lifter standing on the ground or on said at least one first floor plate a second connecting rod and guiding via the lifter said second connecting rod upwards, said second connecting rod being a single second scaffolding tie bar; 
 (g) releasably attaching via the lifter standing on the ground or standing on said at least one first floor plate a first end of said second connecting rod to said first third vertical frame perforated disk; 
 (h) subsequently or simultaneously to step (g), releasably attaching via the lifter standing on the ground or standing on said at least one first floor plate a second end of said second connecting rod to said first fourth vertical frame perforated disk such that said second connecting rod serves as a second railing element; 
 (i) guiding upwards via the lifter standing on the ground or on the at least one first floor plate at least one second floor plate; and 
 (j) affixing said at least one second floor plate at a first attachment position via the lifter standing on the ground or standing on said at least one first floor plate such that a second vertical region is formed, said second vertical region comprising said at least one second floor plate, said third vertical frame, said fourth vertical frame, and said second connecting rod, said second connecting rod connecting said third vertical frame with said fourth vertical frame, said second vertical region being adjacent to and above said first vertical region of said scaffold; 
 wherein said first attachment position is disposed at an effective vertical distance of between 80 cm and 120 cm or of 100 cm below said second connecting rod; 
 wherein the second connecting rod extends horizontally and parallel to the first connecting rod; 
 wherein an effective length of said first first vertical frame vertical support, an effective length of said second first vertical frame vertical support, an effective length of said first second vertical frame vertical support, an effective length of said second second vertical frame vertical support, an effective length of said first third vertical frame vertical support, an effective length of said second third vertical frame vertical support, an effective length of said first fourth vertical frame vertical support, and an effective length of said second fourth vertical frame vertical support are equal to each other and are between 80 cm and 120 cm or are 100 cm; 
 wherein a first disk vertical distance between said first first vertical frame perforated disk and said first third vertical frame perforated disk equals said effective length of said first first vertical frame vertical support; 
 wherein a second disk vertical distance between said second first vertical frame perforated disk and said second third vertical frame perforated disk equals said effective length of said first first vertical frame vertical support; 
 wherein a third disk vertical distance between said first second vertical frame perforated disk and said first fourth vertical frame perforated disk equals said effective length of said first first vertical frame vertical support; 
 wherein a fourth disk vertical distance between said second second vertical frame perforated disk and said second fourth vertical frame perforated disk equals said effective length of said first first vertical frame vertical support; 
 wherein said at least one first floor plate lies beneath said first connecting rod at a first plate vertical distance equal to said effective length of said first first vertical frame vertical support; 
 wherein said at least one second floor plate lies beneath said second connecting rod at a second plate vertical distance equal to said effective length of said first first vertical frame vertical support; 
 wherein said first first vertical frame perforated disk and said second first vertical frame perforated disk are disposed at a first disk distance above a bottom of said first vertical frame; 
 wherein said first second vertical frame perforated disk and said second second vertical frame perforated disk are disposed at a second disk distance above a bottom of said second vertical frame; 
 wherein said first disk distance equals said second disk distance; 
 wherein said first third vertical frame perforated disk and said second third vertical frame perforated disk are disposed at a third disk distance above a bottom of said third vertical frame; 
 wherein said first fourth vertical frame perforated disk and said second fourth vertical frame perforated disk are disposed at a fourth disk distance above a bottom of said second vertical frame; 
 wherein said third first disk distance equals said fourth disk distance and equals said first disk distance; 
 wherein said first third vertical frame horizontal arm is disposed at a first transverse rung vertical separation distance above said second first vertical frame horizontal arm, said first transverse rung vertical separation distance being equal to said first vertical frame horizontal arm vertical separation distance; 
 wherein said first vertical frame horizontal arm vertical separation distance is equal to said third vertical frame horizontal arm vertical separation distance; 
 wherein said first fourth vertical frame horizontal arm is disposed at a second transverse rung vertical separation distance above said second second vertical frame horizontal arm, said second transverse rung vertical separation distance being equal to said second vertical frame horizontal arm vertical separation distance; and 
 wherein said second vertical frame horizontal arm vertical separation distance is equal to said fourth vertical frame horizontal arm vertical separation distance. 
 
     
     
         2 . The method according to  claim 1 , the method further comprising a step of:
 the lifter climbing up from the first vertical region of the scaffold in an interior space of the scaffold via said transverse rungs of said first ladder or via said transverse rungs of said second ladder to the at least one second floor plate of said second vertical region, said interior space being delimited by said first connecting rod, said first vertical frame, and said second vertical frame.   
     
     
         3 . The method according to  claim 1 , wherein said at least one first floor plate comprises a first first floor plate and a second first floor plate;
 wherein the method further comprises steps of:   removing said second first floor plate from said first vertical region;   moving said second first floor plate upwards; and   affixing said second first floor plate in said second vertical region at a second attachment position of a same height as said first attachment position.   
     
     
         4 . The method according to  claim 1 , wherein steps (i) and (j) are performed prior to steps (f) to (h). 
     
     
         5 . The method according to  claim 1 , wherein said at least one first floor plate comprises a first first floor plate and a second first floor plate;
 wherein the method further comprises steps of:   removing said second first floor plate from said first vertical region via said lifter standing on said first first floor plate;   moving said second first floor plate upwards via said lifter standing on said first first floor plate; and   affixing said second first floor plate in said second vertical region at a second attachment position of a same height as said first attachment position via said lifter standing on said first first floor plate.   
     
     
         6 . The method according to  claim 1 , wherein said at least one first floor plate comprises a first first floor plate, a second first floor plate, and a third first floor plate;
 wherein the method further comprises steps of:   removing said second first floor plate from said first vertical region via said lifter standing on said first first floor plate or standing on said third first floor plate;   moving said second first floor plate upwards via said lifter standing on said first first floor plate or standing on said third first floor plate;   affixing said second first floor plate in said second vertical region at a second attachment position of a same height as said first attachment position via said lifter standing on said first first floor plate or standing on said third first floor plate;   removing said third first floor plate from said first vertical region via said lifter standing on said first first floor plate;   moving said third first floor plate upwards via said lifter standing on said first first floor plate; and   affixing said third first floor plate in said second vertical region at a third attachment position of a same height as said first attachment position via said lifter standing on said first first floor plate.   
     
     
         7 . A method for removing a scaffold, said scaffold comprising:
 (a) a first vertical frame comprising
 a first first vertical frame vertical support; 
 a first first vertical frame perforated disk for connecting holding devices, said first first vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said first first vertical frame vertical support; 
 a second first vertical frame vertical support disposed at a first horizontal distance from said first first vertical frame vertical support and parallel to said first first vertical frame vertical support; 
 a second first vertical frame perforated disk for connecting holding devices, said second first vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said second first vertical frame vertical support; 
 a first first vertical frame horizontal arm extending between said first first vertical frame vertical support and said second first vertical frame vertical support perpendicular to said first and second first vertical frame vertical supports and having first and second ends attached, respectively, to said first and second first vertical frame vertical supports via welding; and 
 a second first vertical frame horizontal arm extending between said first first vertical frame vertical support and said second first vertical frame vertical support perpendicular to said first and second first vertical frame vertical supports and having first and second ends attached, respectively, to said first and second first vertical frame vertical supports via welding, said second first vertical frame horizontal arm extending parallel to said first first vertical frame horizontal arm and being disposed at a first vertical frame horizontal arm vertical separation distance above said first first vertical frame horizontal arm; 
   (b) a second vertical frame comprising
 a first second vertical frame vertical support; 
 a first second vertical frame perforated disk for connecting holding devices, said first second vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said first second vertical frame vertical support; 
 a second second vertical frame vertical support disposed at a second horizontal distance from said first second vertical frame vertical support and parallel to said first second vertical frame vertical support; 
 a second second vertical frame perforated disk for connecting holding devices, said second second vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said second second vertical frame vertical support; 
 a first second vertical frame horizontal arm extending between said first second vertical frame vertical support and said second second vertical frame vertical support perpendicular to said first and second second vertical frame vertical supports and having first and second ends attached, respectively, to said first and second second vertical frame vertical supports via welding; and 
 a second second vertical frame horizontal arm extending between said first second vertical frame vertical support and said second second vertical frame vertical support perpendicular to said first and second second vertical frame vertical supports and having first and second ends attached, respectively, to said first and second second vertical frame vertical supports via welding, said second second vertical frame horizontal arm extending parallel to said first second vertical frame horizontal arm and being disposed at a second vertical frame horizontal arm vertical separation distance above said first second vertical frame horizontal arm; 
   (c) a third vertical frame comprising
 a first third vertical frame vertical support; 
 a first third vertical frame perforated disk for connecting holding devices, said first third vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said first third vertical frame vertical support; 
 a second third vertical frame vertical support disposed at a third horizontal distance from said first third vertical frame vertical support and parallel to said first third vertical frame vertical support; 
 a second third vertical frame perforated disk for connecting holding devices, said second third vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said second third vertical frame vertical support; 
 a first third vertical frame horizontal arm extending between said first third vertical frame vertical support and said second third vertical frame vertical support perpendicular to said first and second third vertical frame vertical supports and having first and second ends attached, respectively, to said first and second third vertical frame vertical supports via welding; and 
 a second third vertical frame horizontal arm extending between said first third vertical frame vertical support and said second third vertical frame vertical support perpendicular to said first and second third vertical frame vertical supports and having first and second ends attached, respectively, to said first and second third vertical frame vertical supports via welding, said second third vertical frame horizontal arm extending parallel to said first third vertical frame horizontal arm and being disposed at a third vertical frame horizontal arm vertical separation distance above said first third vertical frame horizontal arm; 
   (d) a fourth vertical frame comprising
 a first fourth vertical frame vertical support; 
 a first fourth vertical frame perforated disk for connecting holding devices, said first fourth vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said first fourth vertical frame vertical support; 
 a second fourth vertical frame vertical support disposed at a fourth horizontal distance from said first fourth vertical frame vertical support and parallel to said first fourth vertical frame vertical support; 
 a second fourth vertical frame perforated disk for connecting holding devices, said second fourth vertical frame perforated disk comprising a plurality of perforations and being attached in non-releasable manner via welding to said second fourth vertical frame vertical support; 
 a first fourth vertical frame horizontal arm extending between said first fourth vertical frame vertical support and said second fourth vertical frame vertical support perpendicular to said first and second fourth vertical frame vertical supports and having first and second ends attached, respectively, to said first and second fourth vertical frame vertical supports via welding; and 
 a second fourth vertical frame horizontal arm extending between said first fourth vertical frame vertical support and said second fourth vertical frame vertical support perpendicular to said first and second fourth vertical frame vertical supports and having first and second ends attached, respectively, to said first and second fourth vertical frame vertical supports via welding, said second fourth vertical frame horizontal arm extending parallel to said first fourth vertical frame horizontal arm and being disposed at a fourth vertical frame horizontal arm vertical separation distance above said first fourth vertical frame horizontal arm; 
   (e) at least one first floor plate;   (f) at least one second floor plate;   (g) a first connecting rod extending horizontally between said first first vertical frame vertical support and said first second vertical frame vertical support and being a single first scaffolding tie bar comprising a first scaffolding tube having a first first scaffolding tube connecting head at a first end and having a second first scaffolding tube connecting head at a second end, the first first scaffolding tube connecting head being set to said first first vertical frame perforated disk and being releasably attached to said first first vertical frame perforated disk via a first connecting wedge, and the second first scaffolding tube connecting head being set to said first second vertical frame perforated disk and being releasably attached to said first second vertical frame perforated disk via a second connecting wedge; and   (h) a second connecting rod extending horizontally between said first third vertical frame vertical support and said first fourth vertical frame vertical support and being a single second scaffolding tie bar comprising a second scaffolding tube having a first second scaffolding tube connecting head at a first end and having a second second scaffolding tube connecting head at a second end, the first second scaffolding tube connecting head being set to said first third vertical frame perforated disk and being releasably attached to said first third vertical frame perforated disk via a third connecting wedge, and the second second scaffolding tube connecting head being set to said first fourth vertical frame perforated disk and being releasably attached to said first fourth vertical frame perforated disk via a fourth connecting wedge;   wherein the second connecting rod extends horizontally and parallel to the first connecting rod;   wherein a bottom of said third vertical frame is set on a top of said first vertical frame;   wherein a bottom of said fourth vertical frame is set on a top of said second vertical frame;   wherein said first vertical frame and said second vertical frame are disposed at a horizontal distance from one another and form a part of a first height block in a first vertical region, said first vertical region comprising said at least one first floor plate, said first vertical frame, said second vertical frame, and said first connecting rod;   wherein said third vertical frame and said fourth vertical frame are disposed at a horizontal distance from one another and form a part of a second height block in a second vertical region, said second vertical region comprising said at least one second floor plate, said third vertical frame, said fourth vertical frame, and said second connecting rod, said second vertical region being adjacent to and above said first vertical region;   wherein said at least one first floor plate is releasably affixed at a first attachment position in said first vertical region;   wherein said at least one second floor plate is releasably affixed at a second attachment position in said second vertical region, said second attachment position being disposed at an effective vertical distance of between 80 cm and 120 cm or of 100 cm below said second connecting rod;   wherein said first connecting rod serves, at least during installation of the scaffold, in said first vertical region as a first railing element for providing protection from falling off of said at least one first floor plate for an object on said at least one first floor plate;   wherein said second connecting rod serves, at least during installation of the scaffold, in said second vertical region as a second railing element for providing protection from falling off of said at least one second floor plate for at least one object on said at least one second floor plate;   wherein an effective length of said first first vertical frame vertical support, an effective length of said second first vertical frame vertical support, an effective length of said first second vertical frame vertical support, an effective length of said second second vertical frame vertical support, an effective length of said first third vertical frame vertical support, an effective length of said second third vertical frame vertical support, an effective length of said first fourth vertical frame vertical support, and an effective length of said second fourth vertical frame vertical support are equal to each other and are between 80 cm and 120 cm or are 100 cm;   wherein a first disk vertical distance between said first first vertical frame perforated disk and said first third vertical frame perforated disk equals said effective length of said first first vertical frame vertical support;   wherein a second disk vertical distance between said second first vertical frame perforated disk and said second third vertical frame perforated disk equals said effective length of said first first vertical frame vertical support;   wherein a third disk vertical distance between said first second vertical frame perforated disk and said first fourth vertical frame perforated disk equals said effective length of said first first vertical frame vertical support;   wherein a fourth disk vertical distance between said second second vertical frame perforated disk and said second fourth vertical frame perforated disk equals said effective length of said first first vertical frame vertical support;   wherein said at least one first floor plate lies beneath said first connecting rod at a first plate vertical distance equal to said effective length of said first first vertical frame vertical support;   wherein said at least one second floor plate lies beneath said second connecting rod at a second plate vertical distance equal to said effective length of said first first vertical frame vertical support;   wherein said first first vertical frame perforated disk and said second first vertical frame perforated disk are disposed at a first disk distance above a bottom of said first vertical frame;   wherein said first second vertical frame perforated disk and said second second vertical frame perforated disk are disposed at a second disk distance above a bottom of said second vertical frame;   wherein said first disk distance equals said second disk distance;   wherein said first third vertical frame perforated disk and said second third vertical frame perforated disk are disposed at a third disk distance above a bottom of said third vertical frame;   wherein said first fourth vertical frame perforated disk and said second fourth vertical frame perforated disk are disposed at a fourth disk distance above a bottom of said fourth vertical frame;   wherein said third disk distance height equals said fourth disk distance and equals said first disk distance;   wherein said first first vertical frame horizontal arm, said second first vertical frame horizontal arm, said first third vertical frame horizontal arm, and said second third vertical frame horizontal arm form transverse rungs of a first ladder;   wherein said first second vertical frame horizontal arm, said second second vertical frame horizontal arm, said first fourth vertical frame horizontal arm, and said second fourth vertical frame horizontal arm form transverse rungs of a second ladder;   wherein said first third vertical frame horizontal arm is disposed at a first transverse rung vertical separation distance above said second first vertical frame horizontal arm, said first transverse rung vertical separation distance being equal to said first vertical frame horizontal arm vertical separation distance;   wherein said first vertical frame horizontal arm vertical separation distance is equal to said third vertical frame horizontal arm vertical separation distance;   wherein said first fourth vertical frame horizontal arm is disposed at a second transverse rung vertical separation distance above said second second vertical frame horizontal arm, said second transverse rung vertical separation distance being equal to said second vertical frame horizontal arm vertical separation distance; and   wherein said second vertical frame horizontal arm vertical separation distance is equal to said fourth vertical frame horizontal arm vertical separation distance;   wherein the method comprises steps of:   (a) removing said at least one second floor plate from said second vertical region via said a lifter standing on the ground or standing on said at least one first floor plate;   (b) removing said second connecting rod from said first third vertical frame perforated disk and from said first fourth vertical frame perforated disk via said lifter standing on the ground or standing on said at least one first floor plate and directly grasping said second connecting rod;   (c) removing said fourth vertical frame from said second vertical frame;   (d) removing said third vertical frame from said first vertical frame; and   (e) disassembling said first vertical region via removing said first connecting rod from said first second vertical frame perforated disk and from said first first vertical frame perforated disk.

Join the waitlist — get patent alerts

Track US2015068011A1 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.