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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||238/122 ; 16/102 ; 238/10R|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 2 인용 특허 : 1|
A cart track assembly for use with a cart having steerable castor wheels includes a pair of parallel, spaced apart tracks mounted to a support surface. Each track includes a number of elongate main track segments and widened transition track segments coupling the main track segments. The main segments have parallel, upright sides defining a relatively narrow pathway between the sides. The widened segments preferably include sides which flare outwardly to define a widened transition area. The transition area is large enough to allow the castor wheels to p...
A track assembly, for use with carts having castor wheels pivotable about generally vertical axes, for guiding the carts over a surface comprising: first and second parallel tracks mounted to the surface; said first and second tracks each including first and second main segments and first and second transition segments connecting said main segments; said first and second transition segments sized to permit the castor wheels to pivot 180°about the generally vertical axes to avoid movement of the castor wheels backward along the track, said first and seco...