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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
|
출원번호 | US-0341146 (1994-11-16) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 20 인용 특허 : 0 |
A wheel brake assembly for shopping carts is characterized by a hub adapted for rotation about an axis, a coil spring coaxially mounted on the hub, and a pair of annular disks coaxially mounted on the spring. One of the disks is stationary and has one end of the spring connected therewith. The other
A wheel brake assembly, comprising (a) a wheel hub adapted for rotation about a lateral axis; (b) a spring mounted on said hub for gripping and releasing said hub, said spring including a coil portion coaxial with said hub and first and second end portions extending tangentially from said coil porti
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