Movable jaw measuring apparatus

Details Movable jaw measuring apparatus Movable jaw measuring apparatus

1987-08-10

1988-05-24

Stearns, Richard R.

Geometrical instruments

Gauge

Screw thread

33143M, G01B 516, G01B 320

Patent

active

047456850

ABSTRACT:
Movable jaw measuring apparatus usable for measuring widths across the flats of bolts includes a fixed jaw and a movable jaw, and reference marks for indicating the measurements may be in both inch and metric units. The movable jaws can also be used to measure the diameter of the bolts. Apparatus includes linear measurement indicia for measuring the length of various elements, also in both inch and metric units, if desired. Peripheral surfaces may include serrations for measuring the pitch of threads, or thread measuring indicia may be printed on surfaces.

REFERENCES:
patent: 1287040 (1918-12-01), Junker
patent: 2528431 (1950-10-01), Greenberg
patent: 2694262 (1954-11-01), Daniel
patent: 3396472 (1968-08-01), Moss
patent: 3503131 (1970-03-01), Warner
patent: 4058900 (1977-11-01), Yandell
patent: 4677751 (1987-07-01), Masseth
Popular Science, "20-in-1 Shopguide", 1966, 2 pgs.

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