Mechanical overload protection device for machines, particularly

Details Mechanical overload protection device for machines, particularly Mechanical overload protection device for machines, particularly

1994-09-09

1996-08-06

Stodola, Daniel P.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Overload release coupling

Torque transmitted via a ball

F16H 3510, B02C 2500

Patent

active

055428843

ABSTRACT:
An overload protection device for operating machines, the device having two coupling parts which are in one condition, a coupled condition, force-interlocked by coupling bodies, until a threshold force is exceeded, at which point coupling is released. The coupling parts have mutually facing surfaces provided with depressions and guide grooves for the coupling bodies. The coupling bodies are rolling elements, e.g., spheres, which when threshold force is overcome, move into the guide grooves causing release of the coupling parts from force-interlock thereby permitting rotational movement of the parts relative to each other.

REFERENCES:
patent: 2490172 (1949-12-01), Swahnberg
patent: 3270844 (1966-09-01), Orwin
patent: 4174621 (1979-11-01), Woltjen
patent: 4263996 (1981-04-01), Putney
patent: 4750685 (1988-06-01), Frei

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