Side mount garage door release

Details Side mount garage door release Side mount garage door release

1990-07-23

1991-09-17

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Axially engaging

192108, F16D 1100

Patent

active

050486535

ABSTRACT:
A release apparatus for selectively connecting and disconnecting a sprocket drive wheel from a driven shaft by selectively thrusting a pair of sprag pins through registering openings in the sprocket wheel and into peripheral recesses in a collar secured to the drive shaft. The portion of the device attached to the sprag pins is also attached to the drive shaft for joint rotation.

REFERENCES:
patent: 1425792 (1922-08-01), Pignani et al.
patent: 3066729 (1962-12-01), Gessell
patent: 3336968 (1967-08-01), Curtis
patent: 3512302 (1970-05-01), Sivin et al.
patent: 4472910 (1984-09-01), Iha
patent: 4504094 (1985-03-01), Burrows
patent: 4541609 (1985-09-01), Smith
patent: 4553652 (1985-11-01), Fallos
patent: 4605108 (1986-08-01), Monot
patent: 4667789 (1987-05-01), Cucchi et al.
patent: 4832184 (1989-05-01), DeGood

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