Brake device for shutter

Details Brake device for shutter Brake device for shutter

1980-01-16

1982-02-23

Adams, Russell E.

354252, G03B 928

Patent

active

043166628

ABSTRACT:
A brake device for use with a shutter having a driving member which runs down when the shutter is opened or closed, includes a brake member pivotally rotatable about a stationary shaft and arranged upon engagement with the shutter driving member to slow it down and bring it to rest. An elastic material is employed in forming at least one of the above-described brake member and stationary shaft to effect a frictional engagement therebetween which contributes to the braking of the shutter driving member.

REFERENCES:
patent: 2039517 (1936-05-01), Black
patent: 2256226 (1941-09-01), Wagner et al.
patent: 4109266 (1978-08-01), Inove

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