发明名称 OVERHEAD DOOR SPRING ALERT SAFETY SYSTEM
摘要 A safety system for overhead garage and like door structures having a counterbalance spring structure including one or more coil springs, which comprises devices for detecting the breaking of a door counterbalance spring and alerting a human operator to a spring failure. The system may include communication capabilities for remote notification of the fault and other information, and may include devices for preventing operation of a motorized door opener until the fault is cleared.
申请公布号 US2015059989(A1) 申请公布日期 2015.03.05
申请号 US201414298876 申请日期 2014.06.06
申请人 GUTIERREZ HERMAN 发明人 GUTIERREZ HERMAN
分类号 E06B9/80 主分类号 E06B9/80
代理机构 代理人
主权项 1. A safety system for overhead garage and like door structures having a counterbalance spring structure including one or more coil springs comprising: devices for detecting the breaking of a door counterbalance spring and alerting an operator to a spring failure event.
地址 SUNNYVALE CA US