Multi-trainer for swivel chairs on castors

Abstract

A limb-exercising system for attaching to an swivel chair on castors, the limb-exercising system including a rigid platform, at least one interchangeable limb-exercising unit, a force resistor, and a cable, the rigid platform being coupled with the castors of the office swivel chair, such that the relative movement between the rigid platform and the office swivel chair is minimal, the interchangeable limb-exercising unit being coupled with the rigid platform, the interchangeable limb-exercising unit being operative to provide movement exercise for at least one muscle group of the body of a user, the force resistor being coupled with the rigid platform and with the interchangeable limb-exercising unit, the force resistor providing resistance to movement of the interchangeable limb-exercising unit, the cable being coupled between the interchangeable limb-exercising unit and the force resistor.

1 . A limb-exercising system for attaching to an swivel chair having a plurality of chair legs, each chair leg coupled by a respective pivotal pin with a respective castor, each respective pivotal pin extending upwardly across a gap between the chair leg and the respective castor, the limb-exercising system comprising:
 a rigid platform for coupling with at least three of said pivotal pins substantially within said gap, said coupling being in contact with said at least three pivotal pins, detached from said castors, such that the relative movement between said rigid platform and said swivel chair is minimal;   at least one interchangeable limb-exercising unit, coupled with said rigid platform, each said at least one interchangeable limb-exercising unit operative to provide movement exercise for at least one muscle group of the body of a user;   a force resistor coupled with said rigid platform and with said at least one interchangeable limb-exercising unit, said force resistor providing resistance to movement of said at least one interchangeable limb-exercising unit; and   a cable coupled between said at least one interchangeable limb-exercising unit and said force resistor.   
     
     
         2 . The limb-exercise system of  claim 1 , wherein said at least one interchangeable limb-exercising unit comprises:
 a lateral pusher to be coupled with a knee of the body of said user; and   a lateral strap coupled between said lateral pusher and said cable.   
     
     
         3 . The limb-exercise system of  claim 1 , wherein said at least one interchangeable limb-exercising unit comprises:
 a yoke to be held by a hand of the body of said user; and   a biceps strap coupled between said yoke and said cable.   
     
     
         4 . The limb-exercise system of  claim 1 , wherein said at least one interchangeable limb-exercising unit comprises a deltoid strap coupled with said cable. 
     
     
         5 . The limb-exercise system of  claim 1 , wherein said at least one interchangeable limb-exercising unit comprises a lateral pusher to be coupled with the knees of said user, along a mediolateral axis of the body of said user, said lateral pusher comprising:
 an upper rail;   a lower rail;   a left end lock coupled with said upper rail and with said lower rail, at a left side of said lateral pusher;   a right end lock coupled with said upper rail and with said lower rail, at a right side of said lateral pusher;   a left bridge coupled with said upper rail and with said lower rail, at a mid portion of said lateral pusher;   a right bridge coupled with said upper rail and with said lower rail, at said mid portion;   a left bridge pulley coupled with said left bridge;   a bridge pulley coupled with said right bridge;   a left cart slidably located within an axial opening between said upper rail and said lower rail, said left cart sliding within said axial opening, along said mediolateral axis, said left cart comprising:
 a plurality of left cart wheels, said left cart wheels enabling said left cart to slide within said axial opening; and 
 a left cart ear located between pairs of said left cart wheels; 
   a right cart slidably located within said axial opening, said right cart sliding within said axial opening, along said mediolateral axis, said right cart comprising:
 a plurality of right cart wheels, said right cart wheels enabling said right cart to slide within said axial opening; and 
 a right cart ear located between pairs of said right cart wheels; 
   a left cart handle coupled with said left cart along a posterioanterior axis of the body of said user, said posterioanterior being substantially perpendicular to said mediolateral axis;   a right cart handle coupled with said right cart along said posterioanterior axis;   a left push arm coupled with said left cart handle along said posterioanterior axis;   a right push arm coupled with said right cart handle along said posterioanterior axis;   a left knee cover to be placed over a left knee of said user, said left knee cover having a left knee cover groove along a left knee cover axis substantially perpendicular to said posterioanterior axis, said left cover handle passing through said left knee cover groove;   a right knee cover to be placed over a right knee of said user, said right knee cover having a right knee cover groove along a right knee cover axis substantially perpendicular to said posterioanterior axis, said right cover handle passing through said right knee cover groove;   a lateral strap, a first lateral strap end of said lateral strap being coupled with said cable, by a right terminal snap link and a left terminal snap link;   a left lateral cable;   a right lateral cable;   a left inline snap link coupled with said left lateral cable and with said left cart ear;   a right inline snap link coupled with said right lateral cable and with said right cart ear,   wherein a first left lateral cable end of said left lateral cable is coupled with said first lateral strap end, through said left bridge pulley, and   wherein a first right lateral cable end of said right lateral cable is coupled with said first lateral strap end through said right bridge pulley.   
     
     
         6 . The limb-exercise system of  claim 5 , wherein said lateral pusher further comprises:
 a left end pulley coupled with said left end lock;   a right end pulley coupled with said right end lock;   a left end snap link coupled with a second left lateral cable end of said left lateral cable, through said left end pulley, and with said left cart ear; and   a right end snap link coupled with a second right lateral cable end of said left lateral cable, through said right end pulley, and with said right cart ear.   
     
     
         7 . The limb-exercise system of  claim 1 , further comprising:
 a sensor for detecting the movement of said force resistor;   a controller coupled with said sensor, said controller monitoring said movement exercise; and   a user interface, coupled with said controller and with said sensor.   
     
     
         8 . The limb-exercise system of  claim 1 , wherein said user interface provides information selected from the list consisting of:
 order of said movement exercise;   time duration of a previous one of said movement exercise;   weight respective of said previous movement exercise;   remaining time for completion of the current movement exercise; and   data respective of a next one of said movement exercise.   
     
     
         9 . The limb-exercise system of  claim 1 , wherein said force resistor includes at least one weight. 
     
     
         10 . The limb-exercise system of  claim 1 , wherein said rigid platform comprises a Y-shaped skeleton platform coupled to said plurality of chair legs of said swivel chair on castors, said Y-shaped skeleton platform comprising:
 a frame, having a first end and a second end;   a first V-blade, firmly coupled with said frame at the first end of said frame, and extending from said frame in a first angled direction;   a second V-blade, firmly coupled with said frame at the first end of said frame, and extending from said frame in a second angled direction, opposite to said first angled direction;
 a blade hook, coupled with said frame at the second end of said frame, the shape and size of said blade hook being substantially similar to the outer shape and size of the pivotal pin of a front chair leg of said chair; and 
 a fastener, for coupling said blade hook with said frame, the length of said fastener being adjustable, allowing movement of said blade hook away and toward the second end of said frame; 
 wherein said skeleton platform is coupled with said chair by fastening said blade hook around said pivotal pin of said front chair leg, and when said first V-blade presses against one of the rear chair legs, and said second V-blade presses against another one of the rear chair legs, thereby firmly maintaining said skeleton platform coupled with said swivel chair. 
   
     
     
         11 . The limb-exercise system of  claim 1 , wherein said rigid platform comprises a skeleton frame, coupled to said plurality of chair legs of said swivel chair on castors, the a skeleton platform comprising:
 two longitudinal beams;   a rear transverse support beam, coupled at distanced points along its length to respective points on each of said longitudinal beams;   a front transverse support beam, coupled to said longitudinal beams in order to form together with said rear transverse support beam and said longitudinal beam a closed polygonal structure, defining a front section and a rear section;   wherein said coupling between said plurality of chair legs and said skeleton frame, comprises:
 a blade hook, coupled with said skeleton frame at said front section, said blade hook coupled to one of said pivotal pins of the respective said castor, said blade hook having a thickness substantially smaller than said gap, such to allow free rotation of said respective castor; 
 a fastener, for coupling said blade hook with said skeleton frame, the length of said fastener being adjustable, allowing movement of said blade hook away and toward said front section, in order to allow coupling to chair legs of differing lengths; 
 at least one angled blade coupler for coupling to a rear pivotal pin of a respective rear castor of a respective rear chair leg, each angled blade coupler including a contoured surface and a beam engaging surface, said beam engaging surface is coupled with either one of said longitudinal beams at said rear section, said contoured surface has at least one angled section possessing an angle substantially equal to the angle formed between that said coupled longitudinal beam and said respective rear chair leg; and 
 wherein said skeleton platform is coupled with said swivel chair by fastening said blade hook at least partly around said pivotal pin of said front chair leg, and said contoured surface presses against said rear pivotal pin of said rear chair leg, thereby firmly maintaining said skeleton platform coupled with said swivel chair.