Safety device for gear wheels

Details Safety device for gear wheels Safety device for gear wheels

1976-11-12

1977-10-25

Gerin, Leonard H.

Machine element or mechanism

Gearing

Rotary bodies

74425, 74432, 74440, F16H 5512, F16H 5518, F16H 116, F16H 5500

Patent

active

040550923

ABSTRACT:
A gear wheel is provided with a safety release disc adjacent one face thereof, said disc having teeth formed as direct extensions of the gear wheel teeth. The disc teeth engage the same gear element as the teeth of the gear wheel but the disc is rotatable on the gear wheel axle. In the event of tooth wear or tooth breakage of the gear wheel the gear wheel will turn relative to the disc, which has no rotational load. This relative movement is utilized to trip signalling or locking devices as desired.

REFERENCES:
patent: 2767652 (1956-10-01), Dietrich et al.
patent: 2928288 (1960-03-01), Bliss et al.
patent: 2966806 (1961-01-01), Luning
patent: 3127784 (1964-04-01), O'Neill
patent: 3648534 (1972-03-01), Fagarazzi

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