发明名称 Collapsible safety guard for platform lift
摘要 A collapsible electric foot-toe guard is employed with a loading platform having electric controlled lift and descent movements, functioning as a safety device in the protection against unwitting protrusion of human limbs into the path of descent of the platform lift, said collapsible foot-toe guard being comprised of an outwardly depended contact plate moveably engaging a base support plate through hinge means to permit said contact plate with contact thereof to fold toward the base support plate, such folding movement effective to break a normally open, held closed electric limit switch circuit to arrest descent of the platform lift.
申请公布号 US4091906(A) 申请公布日期 1978.05.30
申请号 US19770772493 申请日期 1977.02.28
申请人 ADVANCE LIFTS, INCORPORATED 发明人 CLARKE, DAVID E.;RICHARDS, LAWRENCE I.
分类号 B66F17/00;(IPC1-7):F16D9/00 主分类号 B66F17/00
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