专利名称:SAFETY EDGE CONSTRUCTION FOR A
POWERED DOOR
发明人:NORMAN K. MILLER申请号:US3693026D申请日:19710416公开号:US3693026A公开日:19720919
摘要:For a door electrically powered by a reversible motor, a pair of elongateresiliently compressible edge assemblies having respective pairs of contacts, the contactsof each pair being engageable with each other upon compression of the assemblies, as byencountering an obstruction, and the contact pairs being sequentially operable andelectrically connected to sequentially deenergize a door motor and reenergize themotor in the opposite direction.
申请人:MILLER BROTHERS
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