Thread lead gauge

Details Thread lead gauge Thread lead gauge

1981-11-16

1983-08-16

Martin, Jr., William D.

Geometrical instruments

Gauge

Screw thread

33147M, G01B 340

Patent

active

043983510

ABSTRACT:
Disclosed is a thread lead gauge which includes a tubular barrel, a handle connected to the barrel, and a dial indicator connected to the handle and having a stem extending into the barrel. A single fixed bearing pin extends from the barrel and a single axially movable point is positioned spaced apart from and in line with the fixed point. A spring is provided for biasing the movable point away from the fixed point. The dial indicator indicates the position of the movable point with respect to the fixed point.

REFERENCES:
patent: 1256967 (1918-02-01), Wolfe
patent: 1357588 (1920-11-01), Peck
patent: 1456938 (1923-05-01), Schoot
patent: 2937453 (1960-05-01), Peterson
patent: 3090126 (1963-05-01), Kernoski
patent: 4148146 (1979-04-01), Holland
Allen Gauge & Tool Co., 1977.

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