Movable barrier operator disconnect apparatus

Details Movable barrier operator disconnect apparatus Movable barrier operator disconnect apparatus

2005-02-01

2005-02-01

Rodriguez, Saúl J. (Department: 3681)

192 clutches and power-stop control

Clutches

Operators

C192S089200, C160S009000, C160S140000, C160S188000, C160S224000

Reexamination Certificate

active

06848556

ABSTRACT:
A movable barrier operator (10) has a first disconnect mechanism (20) and a second disconnect mechanism (35) wherein either mechanism can be used to cause the output drive of the operator to be disengaged from the movable barrier to allow the movable barrier to be manually moved. In one embodiment, the second disconnect mechanism (35) is located distal to the operator itself such that the disengagement mechanism can be operated from an area external to the operator.

REFERENCES:
patent: 2742280 (1956-04-01), Wilcox
patent: 4852706 (1989-08-01), Pietrzak et al.
patent: 4884831 (1989-12-01), Emon
patent: 6179036 (2001-01-01), Harvey
patent: 6253824 (2001-07-01), Mullet et al.
patent: 6561256 (2003-05-01), Mullet
International Search Report for PCT/US03/16258 mailed Feb. 19, 2004.

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