发明名称 AUTOMATIC GARAGE DOOR CLOSING SYSTEM
摘要 <p>12 An automatic garage door closing system to be used in combination with a garage door opener. The automatic garage door closing system includes a control box , a power source and a door sensor switch. The control box includes a timer. The timer has a first predetermined time period which is set by a user and activates the garage do or opener to close a garage door. The timer has a second predetermined time period which is fixed and which shuts down and resets the automatic garage door closing system. Th e power source is connected to the control box to activate and power the control box , including the timer of the control box. The door sensor switch senses opening of the garage door and activates the power source to activate the control box.</p>
申请公布号 CA2455133(C) 申请公布日期 2007.03.27
申请号 CA20032455133 申请日期 2003.05.14
申请人 MIND-EASE GARAGE DOOR SYSTEMS LTD. 发明人 CHAPPLE, LAWRENCE;GRAHAM, KENNETH B.
分类号 E05F15/20;E05F15/16;E05F15/18;H02P1/00;H02P3/00;H02P5/00 主分类号 E05F15/20
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