Manual disconnect apparatus and method

Details Manual disconnect apparatus and method Manual disconnect apparatus and method

2006-02-28

2006-02-28

Addie, Raymond W. (Department: 3671)

Joints and connections

Manually releaseable latch type

Having operating mechanism

C049S139000

Reexamination Certificate

active

07004670

ABSTRACT:
A retrofitable manual disconnect apparatus includes an output shaft engagement member (20) that couples to the output shaft (13) of a powered movable barrier operator (12), a movable barrier engagement member (14) that couples to a movable barrier (11), and a hand-operable engagement mechanism (40) that controls coupling between the above components. In one embodiment, the hand-operable engagement mechanism (40) includes a pivoting handle (44) that cooperates with a biasing member (43) to control the position of a movable pin (41). In particular, the movable pin (41) can be controllable inserted in or removed from a hole (24) in the output shaft engagement member (20) to facilitate an engaged and disengaged state, respectively.

REFERENCES:
patent: 4217064 (1980-08-01), Hogan
patent: 4603998 (1986-08-01), Bober et al.
patent: 5390571 (1995-02-01), Fox et al.
patent: 5855449 (1999-01-01), Thomas
patent: 6032329 (2000-03-01), Casali
patent: 6091217 (2000-07-01), Parsadayan
patent: 6523910 (2003-02-01), Lin
patent: 6553717 (2003-04-01), St. John et al.

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