Mechanism for easy and safe installation, locking and removing of wheels on footwear

Abstract

Mechanism for easy and safe installation, locking and removal of the wheels on the footwear, belongs to the area of objects for personal use or leisure, characteristic in appearance and use. They can be used as roller skates and also for walking. The mechanism is installed in the supports, and consists of an elastic ball that is inserted into the holes made in the supports. The ball has the function of a spring. The sleeve is firmly tied in the holes of the support by means of a pin. The axle on which the wheels are slidably and rotatably mounted is inserted into the sleeve. With the help of the projection on the axles and the flat seat, under the action of the force from the elastic ball, the wheels are firmly and separable attached to the sole of the footwear.

1 . Mechanism for easy and safe installation, locking and removal of wheels on footwear ( 1 ), consisting of wheels ( 4 ) with support ( 15 ) for the bearings ( 14 ) of the width (b), shoelaces ( 3 ) connected to the face ( 2 ) and the inner layer ( 5 ) which are firmly connected to the sole ( 6 ) into which a support ( 10 ) is inserted at one end, whose axes ( 10 ′,  10 ″) of the ends ( 10 . 1 ,  10 . 2 ) are made at a distance (x) from each other, and at the other end a support ( 20 ) is inserted whose ends ( 20 . 1 ,  20 . 2 ) are in the same axis ( 20 ′), characterized in that a two-stage hole ( 10 . 1 . 1 ,  10 . 1 ) is drilled in the axis ( 10 ) of the end ( 10 . 1 ), wherein a two-stage hole ( 10 . 2 . 1 ,  10 . 2 . 2 ) is drilled in the axis ( 10 ″) of the end ( 10 . 2 ), wherein a two-stage hole ( 20 . 1 . 1 ,  20 . 1 . 2 ) is drilled in the axis ( 20 ′) of the end ( 20 . 1 ), wherein a two-stage hole ( 20 . 2 . 1 ,  20 . 2 . 2 ) drilled in the axis ( 20 ′) of the end ( 20 . 2 ), wherein the holes ( 10 . 1 . 1 ,  10 . 2 . 1 ,  20 . 1 . 1 ,  20 . 2 . 1 ) of the diameter (d) are drilled at a depth (k 1 ) from the ends ( 10 . 1 ,  10 . 2 ,  20 . 1 ,  20 . 2 ) of the supports ( 10 ,  20 ), wherein the holes ( 10 . 1 . 2 ,  10 . 2 . 2 ,  20 . 1 . 2 ,  20 . 2 . 2 ) of the diameter (d 1 ) are drilled at the depth (k 2 ) in the extension of the depth (k 1 ), wherein at the bottom ( 10 . 3 . 1 ,  10 . 3 . 2 ,  20 . 3 . 1 ,  20 . 3 . 2 ) of the holes ( 10 . 1 . 2 ,  10 . 2 . 2 ,  20 . 1 . 2 ,  20 . 2 . 2 ) elastic balls ( 11 ) are inserted of the diameter (D), wherein in the holes ( 10 . 1 . 1 ,  10 . 2 . 1 ,  20 . 1 . 1 ,  20 . 2 . 1 ) of diameter (d), sleeves ( 12 ) of diameter (d′) are inserted, wherein the sleeves ( 12 ) are firmly connected to the ends ( 10 . 1 ,  10 . 2 ,  20 . 1 ,  20 . 2 ) of the supports ( 10 ,  20 ) by means of pins ( 7 ) which are inserted into the openings ( 10 . 4 . 1 ,  10 . 4 . 2 ,  20 . 4 . 1 ,  20 . 4 . 2 ), drilled at a distance (k 3 ) from the ends ( 10 . 1 ,  10 . 2 ,  20 . 1 ,  20 . 2 ) of the supports ( 10 ,  20 ), and into the semicircular groove ( 12 . 2 ) provided on the sleeve ( 12 ), wherein the axle ( 8 ) is inserted into the wheel ( 4 ) with the end ( 8 . 2 ) and rotatably and slidingly connected with the wheel ( 4 ), and wherein the axles ( 8 ) are inserted into the sleeves ( 12 ) with the end ( 8 . 2 ) and firmly and detachably connected with the sleeves ( 12 ). 
     
     
         2 . Mechanism according to  claim 1 , wherein the axle ( 8 ) consists of a body ( 8 . 4 ) in which a steel pin ( 9 ) is firmly connected to one end ( 8 . 1 ) of the body ( 8 . 4 ) in the hole ( 8 . 3 ), wherein in the same hole ( 8 . 3 ) in the continuation of the pin ( 9 ) a plug ( 13 ) is firmly connected and wherein the flat circular surface ( 13 . 1 ) of the plug ( 13 ) is in the same plane as the end ( 8 . 1 ) of the body ( 8 . 4 ) of the axle ( 8 ). 
     
     
         3 . The mechanism according to  claim 1 , wherein the body ( 8 . 4 ) of the axle ( 8 ) of length (f) is stepped on the outside, wherein at one end ( 8 . 1 ) of the body ( 8 . 4 ) in the axis of the body ( 8 . 4 ) the hole ( 8 . 3 ) of depth (f 6 ) and diameter (d 7 ) is drilled, wherein on the same side of the body ( 8 . 4 ) diameter (d 8 ) of the body ( 8 . 4 ) of the length (f 2 ) is the largest, wherein the central part of the body ( 8 . 4 ) of the diameter (d 4 ) is smaller than the diameter (d 8 ), wherein the body ( 8 . 4 ) has the diameter (d 8 ) and length (f 1 ), wherein the length (f 1 ) of the body ( 8 . 4 ) is the greatest, wherein the body ( 8 . 4 ) of diameter (d 4 ) after the length (f 1 ), is reduced at an acute angle (p) to the diameter (d 5 ) of the length (f 4 ), wherein the diameter (d 4 ) in the continuation of the length (f 5 ) is reduced, and the reduction was made along the circumference of the body ( 8 . 4 ) covered by the angle (360°−θ)), the radius (r 1 ), which has one common point ( 8 . 7 ) with the diameter (d 4 ) on the half of the angle (θ) and the tangents ( 8 . 6 ) that join the circles of the diameter (d 5 ) and radius (r 1 ), wherein the projection ( 8 . 5 ) is formed by the angle (θ), the radius (r 1 ) and tangents ( 8 . 4 ), and wherein, in the continuation at the other end ( 8 . 2 ), the diameter (d 6 ) of the length (f 3 ) is the smallest, and the end ( 8 . 2 ) of the axle is cut at a sharp angle ( )). 
     
     
         4 . Mechanism according to  claim 1 , wherein the diameter (d 1 ) is smaller than the diameter (d), wherein the depth (k 2 ) is at most ⅙ of the depth (k 1 ), wherein the diameter (D) of the elastic ball ( 11 ) is smaller than the diameter (d 1 ) of the hole ( 10 . 1 . 2 ,  10 . 2 . 2 ,  20 . 1 . 2 ,  20 . 2 . 2 ) at the bottom ( 10 . 3 . 1 ,  10 . 3 . 2 ,  20 . 3 . 1 ,  20 . 3 . 2 ) and wherein the diameter (D) of the elastic ball ( 11 ) greater than or equal to the depth (k 2 ) of the hole ( 10 . 1 . 2 ,  10 . 2 . 2 ,  20 . 1 . 2 ,  20 . 2 . 2 ). 
     
     
         5 . Mechanism according to  claim 1 , wherein on one end ( 12 . 1 ) of the sleeve ( 12 ) with an outer diameter (d′) and length (j), on the outside of the sleeve ( 12 ) at a distance (j 4 ), a semicircular groove ( 12 . 2 ) is provided whose axis ( 12 . 3 ) is at the right angle to the longitudinal axis of the sleeve ( 12 ), wherein the distance ( 4 ) is the distance between the axis ( 12 . 3 ) of the groove ( 12 . 2 ) and the end ( 12 . 4 ) of the sleeve ( 12 ), wherein the maximum depth (g) of the groove ( 12 . 2 ) is less than or equal to half the diameter of the pin ( 7 ), wherein at the same end ( 12 . 1 ) inside the sleeve ( 12 ), a crown ( 12 . 5 ) of internal diameter (d 3 ) is provided at a distance (j 3 ) from the end ( 12 . 4 ), wherein the crown ( 12 . 5 ) from the end ( 12 . 1 ) of the sleeve ( 12 ) is burrowed at the depth (h 2 ) along the circumference of the circle with the diameter (d 2 ) covered by the angle (δ), wherein the beginning of the crown ( 12 . 5 ) is in one leg of the angle (δ), wherein the end of the crown ( 12 . 5 ) is on the second leg of the angle (δ), whereby the surface ( 12 . 6 ) is created, in the form of a part of a circular ring, wherein the recessed flat seat ( 12 . 7 ) is provided on the second leg of the angle (δ) on the surface ( 12 . 6 ) in the form of an isosceles triangle, with the depth (g 1 ), which is the vertex in which the legs of the isosceles triangle are joined, rounded with the radius (r), wherein the seat ( 12 . 7 ) is bordered by the radius (r) and tangents ( 12 . 8 ), that are also the legs of an isosceles triangle and by which the circle of radius (r) and the circle of diameter (d 3 ) are connected, wherein the circle of radius (r) and the circle of diameter (d 2 ) touch at one common point ( 12 . 10 ) with the common axis and wherein opposite the recessed flat seat ( 12 . 7 ), covering the height (j 1 ) of the crown ( 12 . 5 ) and the depth (h 2 ), the depression ( 12 . 9 ) is provided, which corresponds to the seat ( 12 . 7 ) as a mirror image and wherein the circle of radius (r) and the circle of diameter (d 2 ) touch at one point ( 12 . 10 ) with a common axis. 
     
     
         6 . Mechanism according to  claim 1 , wherein the outer diameter (d′) of the sleeve ( 12 ) and the inner diameter (d) of the hole ( 10 . 1 . 1 ,  10 . 2 . 1 ,  20 . 1 . 1 ,  20 . 2 . 1 ) form an assembly “especially well guided”, wherein the inner diameter of the crown (d 3 ) of the sleeve ( 12 ) is smaller than the diameter (D) of the elastic ball ( 11 ), wherein the length (j) is less than or equal to the depth (k 1 ) and wherein the distance (j 4 ) and the distance (k 3 ) are equal. 
     
     
         7 . Mechanism according to  claim 4 , wherein the outer diameter (d′) of the sleeve ( 12 ) and the inner diameter (d) of the hole ( 10 . 1 . 1 ,  10 . 2 . 1 ,  20 . 1 . 1 ,  20 . 2 . 1 ) form an assembly “especially well guided”, wherein the inner diameter of the crown (d 3 ) of the sleeve ( 12 ) is smaller than the diameter (D) of the elastic ball ( 11 ), wherein the length (j) is less than or equal to the depth (k 1 ) and wherein the distance (j 4 ) and the distance (k 3 ) are equal. 
     
     
         8 . Mechanism according to  claim 5 , wherein the outer diameter (d′) of the sleeve ( 12 ) and the inner diameter (d) of the hole ( 10 . 1 . 1 ,  10 . 2 . 1 ,  20 . 1 . 1 ,  20 . 2 . 1 ) form an assembly “especially well guided”, wherein the inner diameter of the crown (d 3 ) of the sleeve ( 12 ) is smaller than the diameter (D) of the elastic ball ( 11 ), wherein the length (j) is less than or equal to the depth (k 1 ) and wherein the distance (j 4 ) and the distance (k 3 ) are equal. 
     
     
         9 . Mechanism according to  claim 1 , wherein the diameter (d 4 ) of the body ( 8 . 4 ) of the axle ( 8 ) and the diameter (d 2 ) of the sleeve ( 12 ) make the assembly “particularly well guided”, wherein the diameter (d 6 ) of the end ( 8 . 2 ) is smaller than the diameter (d 1 ) of the hole ( 10 . 1 . 2 ,  10 . 2 . 2 ,  20 . 1 . 2 ,  20 . 2 . 2 ), wherein the radius (r) of the recessed flat seat ( 12 . 7 ) is greater than the radius (r 1 ) of the projection ( 8 . 5 ) and wherein the maximum value of the angle (δ) is 180°. 
     
     
         10 . Mechanism according to  claim 2 , wherein the diameter (d 4 ) of the body ( 8 . 4 ) of the axle ( 8 ) and the diameter (d 2 ) of the sleeve ( 12 ) make the assembly “particularly well guided”, wherein the diameter (d 6 ) of the end ( 8 . 2 ) is smaller than the diameter (d 1 ) of the hole ( 10 . 1 . 2 ,  10 . 2 . 2 ,  20 . 1 . 2 ,  20 . 2 . 2 ), wherein the radius (r) of the recessed flat seat ( 12 . 7 ) is greater than the radius (r 1 ) of the projection ( 8 . 5 ) and wherein the maximum value of the angle (δ) is 180°. 
     
     
         11 . Mechanism according to  claim 3 , wherein the diameter (d 4 ) of the body ( 8 . 4 ) of the axle ( 8 ) and the diameter (d 2 ) of the sleeve ( 12 ) make the assembly “particularly well guided”, wherein the diameter (d 6 ) of the end ( 8 . 2 ) is smaller than the diameter (d 1 ) of the hole ( 10 . 1 . 2 ,  10 . 2 . 2 ,  20 . 1 . 2 ,  20 . 2 . 2 ), wherein the radius (r) of the recessed flat seat ( 12 . 7 ) is greater than the radius (r 1 ) of the projection ( 8 . 5 ) and wherein the maximum value of the angle (δ) is 180°. 
     
     
         12 . Mechanism according to  claim 4 , wherein the diameter (d 4 ) of the body ( 8 . 4 ) of the axle ( 8 ) and the diameter (d 2 ) of the sleeve ( 12 ) make the assembly “particularly well guided”, wherein the diameter (d 6 ) of the end ( 8 . 2 ) is smaller than the diameter (d 1 ) of the hole ( 10 . 1 . 2 ,  10 . 2 . 2 ,  20 . 1 . 2 ,  20 . 2 . 2 ), wherein the radius (r) of the recessed flat seat ( 12 . 7 ) is greater than the radius (r 1 ) of the projection ( 8 . 5 ) and wherein the maximum value of the angle (δ) is 180°. 
     
     
         13 . Mechanism according to  claim 5 , wherein the diameter (d 4 ) of the body ( 8 . 4 ) of the axle ( 8 ) and the diameter (d 2 ) of the sleeve ( 12 ) make the assembly “particularly well guided”, wherein the diameter (d 6 ) of the end ( 8 . 2 ) is smaller than the diameter (d 1 ) of the hole ( 10 . 1 . 2 ,  10 . 2 . 2 ,  20 . 1 . 2 ,  20 . 2 . 2 ), wherein the radius (r) of the recessed flat seat ( 12 . 7 ) is greater than the radius (r 1 ) of the projection ( 8 . 5 ) and wherein the maximum value of the angle (δ) is 180°. 
     
     
         14 . Mechanism according to  claim 1 , wherein the length (f 1 ) of the body ( 8 . 4 ) of the axle ( 8 ) is greater by 0.5 mm to 0.7 mm than the sum of the distance ( 3 ) of the sleeve ( 12 ) and the width (b) of the support ( 15 ) of the bearings ( 14 ) and the length (f 1 ) of the body ( 8 . 4 ) is most preferably greater by 0.6 mm than the sum of the distance (j 3 ) of the sleeve ( 12 ) and the width (b) of the support ( 15 ) of the bearings ( 14 ). 
     
     
         15 . Mechanism according to  claim 2 , wherein the length (f 1 ) of the body ( 8 . 4 ) of the axle ( 8 ) is greater by 0.5 mm to 0.7 mm than the sum of the distance ( 3 ) of the sleeve ( 12 ) and the width (b) of the support ( 15 ) of the bearings ( 14 ) and the length (f 1 ) of the body ( 8 . 4 ) is most preferably greater by 0.6 mm than the sum of the distance (j 3 ) of the sleeve ( 12 ) and the width (b) of the support ( 15 ) of the bearings ( 14 ). 
     
     
         16 . Mechanism according to  claim 3 , wherein the length (f 1 ) of the body ( 8 . 4 ) of the axle ( 8 ) is greater by 0.5 mm to 0.7 mm than the sum of the distance ( 3 ) of the sleeve ( 12 ) and the width (b) of the support ( 15 ) of the bearings ( 14 ) and the length (f 1 ) of the body ( 8 . 4 ) is most preferably greater by 0.6 mm than the sum of the distance (j 3 ) of the sleeve ( 12 ) and the width (b) of the support ( 15 ) of the bearings ( 14 ). 
     
     
         17 . Mechanism according to  claim 4 , wherein the length (f 1 ) of the body ( 8 . 4 ) of the axle ( 8 ) is greater by 0.5 mm to 0.7 mm than the sum of the distance ( 3 ) of the sleeve ( 12 ) and the width (b) of the support ( 15 ) of the bearings ( 14 ) and the length (f 1 ) of the body ( 8 . 4 ) is most preferably greater by 0.6 mm than the sum of the distance (j 3 ) of the sleeve ( 12 ) and the width (b) of the support ( 15 ) of the bearings ( 14 ). 
     
     
         18 . Mechanism according to  claim 5 , wherein the length (f 1 ) of the body ( 8 . 4 ) of the axle ( 8 ) is greater by 0.5 mm to 0.7 mm than the sum of the distance ( 3 ) of the sleeve ( 12 ) and the width (b) of the support ( 15 ) of the bearings ( 14 ) and the length (f 1 ) of the body ( 8 . 4 ) is most preferably greater by 0.6 mm than the sum of the distance (j 3 ) of the sleeve ( 12 ) and the width (b) of the support ( 15 ) of the bearings ( 14 ).