Dial indicator with crowned gear

Details Dial indicator with crowned gear Dial indicator with crowned gear

1996-04-25

1997-11-04

Will, Thomas B.

Geometrical instruments

Gauge

Having a movable contact probe

33559, G01B 322

Patent

active

056826826

ABSTRACT:
A dial indicator comprising a body having an dial face with marked graduations; a longitudinally reciprocating rod extending from the body, the rod having a standard rack internal to the body and an end of the rod external to the body having a contact surface; an interacting series of gear assemblies inside the body, one of the gear assemblies having a crowned pinion, the crowned pinion being driven by the rack; and a dial hand attached to the axle of another of the gears; whereby longitudinal pressure on the contact surface causes the rod to retract longitudinally into the body, the distance of retraction being indicated by the dial hand on the dial face.

REFERENCES:
patent: 1433076 (1922-10-01), Green
patent: 2210435 (1940-08-01), Ruf
patent: 2638679 (1953-05-01), McSkimmon

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