Machine element or mechanism – Automatic operation or control
Patent
1976-05-04
1977-12-27
Geoghegan, Edgar W.
Machine element or mechanism
Automatic operation or control
74814, F16P 702, F16C 4100
Patent
active
040647641
ABSTRACT:
A trip device to prevent continued operation of a rotating machine upon the occurrence of an undesirable operating condition includes a sensing element to sense the occurrence of the undesirable operating condition. The trip device further includes an operating arm normally spaced from the sensing element. The sensing element moves into contact with the operating arm upon the occurrence of the undesirable operating condition. The device further includes a trigger to lock the operating arm in its normal operating position, with the sensing element moving the arm relative to the trigger upon the occurrence of the undesirable operating condition. The trigger thereafter acts as a stop to maintain the operating arm in a position spaced from the sensing element.
REFERENCES:
patent: 2506270 (1950-05-01), Kidd
patent: 2525470 (1950-10-01), Baker et al.
Mizikar David M.
Schanzenbach, Jr. George P.
Carrier Corporation
Curtin J. Raymond
Deutsch Barry E.
Geoghegan Edgar W.
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