E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
268/28
E05F 15/18 (2006.01)
Patent
CA 1147357
ABSTRACT OF THE DISCLOSURE A garage door operation control apparatus comprises a disc rotatable in interlocked relation with a door driving system, which disc actuates an upper limit switch and a lower limit switch at the door upper and lower limit positions respectively. The interlocked relation of the driving system and the disc may be cancelled thereby to adjust the responsive position of the limit switches.
348674
Matsuoka Shigeru
Nakamura Kenji
Suzuki Mitsuo
Tokunaga Takeshi
Yonekura Seiji
Hitachi Ltd.
Kirby Eades Gale Baker
LandOfFree
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