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.
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 代理人
主权项
地址