发明名称 |
Locking-collapsible saw horse |
摘要 |
A lockable, tubular steel saw horse scaffold support consisting of four legs, each pair of legs being joined together with a crossbar and rotatably connected to a top bar. A chain attached across the crossbars for holding the legs in an open position and an arm having a looped end moveably connected to a link on a first crossbar and a hooked end having a kinked protrusion for selectively locking the arm to a first link on the second crossbar or for locking the arm in a storage position to a second link on the first crossbar.
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申请公布号 |
US6640930(B1) |
申请公布日期 |
2003.11.04 |
申请号 |
US20020151070 |
申请日期 |
2002.05.21 |
申请人 |
PETERS LARRY W.;PETERS, JR. LARRY W.;PETERS JAMES A. |
发明人 |
PETERS LARRY W.;PETERS, JR. LARRY W.;PETERS JAMES A. |
分类号 |
B25H1/06;(IPC1-7):E04G1/34 |
主分类号 |
B25H1/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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