Comparator with pivoting feeler

Details Comparator with pivoting feeler Comparator with pivoting feeler

1981-09-21

1983-06-28

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33DIG6, G01B 322

Patent

active

043897843

ABSTRACT:
A comparator is provided including a body in which there is fastened a plate comprising a lever for transmission of movements of a pivoting feeler, and an amplification device, with gearing, actuated by said lever and driving a needle of a reading dial. The stroke of the transmission lever is limited by a rigid end-of-stroke stop. On the path of the transmission lever, a coil spring is arranged between its position of rest and its end-of-stroke position to protect the mechanism from accidental impact. In case of impact on the feeler, the energy developed by the amplification device is partly absorbed before the impact of transmission lever on the rigid end-of-stroke stop.

REFERENCES:
patent: 1770148 (1930-07-01), Stevens
patent: 2210435 (1940-08-01), Ruf
patent: 2308207 (1943-01-01), Reinhard
patent: 2898686 (1959-08-01), Croshier et al.
patent: 3464118 (1969-09-01), Nagata
patent: 4075763 (1978-02-01), Yamaryo

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