E - Fixed Constructions – 05 – D
Patent
E - Fixed Constructions
05
D
E05D 15/38 (2006.01) E05F 11/00 (2006.01) E05F 15/00 (2006.01) E05F 15/16 (2006.01) E05F 15/20 (2006.01)
Patent
CA 2452003
A system for decoupling a barrier (24) from a barrier movement apparatus for the manual operation of the barrier (24). Advantageously, the decoupling is performed in response to a wireless signal (61) and may be done only when the barrier (24) is determined to be in a safe position.
L'invention concerne un système et un procédé servant à découpler une barrière par rapport au mécanisme d'ouverture et de fermeture de la barrière, pour permettre le déplacement manuel de la barrière. De préférence, le découplage se fait en réponse à un signal hertzien et ne peut avoir lieu que lorsque la barrière se trouve dans une position sûre.
Fitzgibbon James J.
Griffin James C.
Laird Edward T.
Olmsted Robert J.
Macrae & Co.
The Chamberlain Group Inc.
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