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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0833578 (1986-02-26) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 24 인용 특허 : 6 |
A caster is provided which makes use of a wheel that has discrete notches and that is rotatably mounted to a housing, a locking pin that is movably mounted to the housing to engage (or to disengage from) any one of the notches, and an actuator for use by a user in moving the locking pin into engagem
A positive locking caster for supporting an object on a surface comprising: a housing having a distinct notch formed therein; a wheel rotatively mounted to said housing and adapted to roll on the surface, said wheel having a surface defining a plurality of discrete notches, each of said discrete not
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