发明名称 Gate operator with persistant, audible warning signal
摘要 An operator for a fence gate of the type which translates laterally on and in immediate parallel adjacent relationship to a section of stationary fence wherein the operator comprises an audible sounder for producing a warning signal in advance of and during the entirety of gate translation. A maximum run timer is also included for terminating gate motor drive and operation of the audible sounder.
申请公布号 US4796011(A) 申请公布日期 1989.01.03
申请号 US19860939096 申请日期 1986.12.08
申请人 STANLEY AUTOMATIC OPENERS 发明人 LEMIRANDE, RODGER;AMTMANN, JAMES S.
分类号 E05F15/00;E05F15/14;(IPC1-7):G05B5/00 主分类号 E05F15/00
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