Automatic overload clutch reset arrangement

Details Automatic overload clutch reset arrangement Automatic overload clutch reset arrangement

1988-04-05

1989-06-13

Stodola, Daniel P.

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

Overload release coupling

Torque transmitted via resiliently biased positive drive...

192 56R, F16D 704

Patent

active

048388297

ABSTRACT:
An automatic overload clutch has interfitting clutch elements (10,11;50,51) which are spring-loaded to disengage two coaxial clutch parts (1,2;45,46). To provide for reengagement of the clutch parts after overload, in predetermined angular and rotational orientation, that is, with predetermined angular alignment and/or respective numbers of revolutions of the clutch parts, for example, to associate machine tool operation with certain tool positions, one of the clutch parts carries an engagement key element (37,60) and the other an interfitting engagement lock element (34,62). One of the engagement elements, for example, the lock element, is formed as a ring and movable upon relative rotation of the two clutch parts with recurring, or angular relative displacement. For example, the ring is coupled via a gearing, which may be part of an escapement mechanism (40-42) to the other clutch part to permit engagement of the key element, for example a pin, in the lock element, for example a matching opening, only when the clutch parts have rotated with respect to each other in particular angular relationship and/or a predetermined number of revolutions.

REFERENCES:
patent: 2868000 (1959-01-01), Gold
patent: 3927537 (1975-12-01), Anderson et al.
patent: 4062203 (1977-12-01), Leonard et al.
patent: 4637502 (1987-01-01), Mayr et al.

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