Door stop for use with automatic door operators

Details Door stop for use with automatic door operators Door stop for use with automatic door operators

1978-05-08

1980-01-29

Husar, C. J.

Machine element or mechanism

Gearing

With brake means for gearing

49139, 49326, 74526, F16H 5710

Patent

active

041855124

ABSTRACT:
An electro-mechanical automatic door operator employing a motorized drive train including a pair of over-lapping gears closely confined within a header mounted housing of limited dimension and having a compact disc spring stop assembly carried by and movable with one of the over-lapping gears for engagement with the periphery of the other gear whereby to limit relative rotational movement of said gears and provide a yieldable stop of high impact capacity for protecting the drive train and an associated door from overload opening forces.

REFERENCES:
patent: 2293299 (1942-08-01), Mastney et al.
patent: 2391956 (1946-01-01), Eastman
patent: 2716896 (1955-09-01), Beldt et al.
patent: 2744416 (1956-05-01), Feigin
patent: 2844038 (1958-07-01), Danta
patent: 3203262 (1965-08-01), Beer
patent: 3662610 (1972-05-01), Thoen

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