发明名称 Elevator bridge apparatus
摘要 An apparatus is arranged to provide for a bridge from an elevator floor relative to an associated building floor to limit jarring and balancing associated in the transport of various carts thereacross, as well as limiting an effective spacing or gap between the elevator floor and the dwelling floor in use.
申请公布号 US5170864(A) 申请公布日期 1992.12.15
申请号 US19910797374 申请日期 1991.11.25
申请人 BERRY, RUBY D. 发明人 BERRY, RUBY D.
分类号 B65G69/28;B66B17/18 主分类号 B65G69/28
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