Piston rod runout gauge

Details Piston rod runout gauge Piston rod runout gauge

1979-10-22

1981-08-25

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

33174Q, G01B 322, G01B 524

Patent

active

042851327

ABSTRACT:
An instrument to measure the concentricity of a piston rod relative to its cylinder, has an elongate cylindrical support on which are slidably mounted a pair of brackets provided with V-shaped notches embracingly to engage the cylinder and hold the support in parallel relation to the cylinder. At the outer end of the support and disposed at right angles thereto is a feeler probe to engage the piston rod. A calibrated dial, having an associated pointer, is carried by the support and the pointer is articulated to the feeler probe for causing the pointer to indicate in the dial the degree of concentricity of the piston rod.

REFERENCES:
patent: 2545784 (1951-03-01), Kenner
patent: 2726058 (1955-12-01), Foltz
patent: 3465449 (1969-09-01), Widenburg et al.
patent: 4064633 (1977-12-01), Wertepny

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