Headspace gauge

Details Headspace gauge Headspace gauge

1995-12-19

1996-11-05

Will, Thomas B.

Geometrical instruments

Gauge

Target, weapon, or weapon projectile

33810, G01B 500, G01B12100

Patent

active

055705138

ABSTRACT:
Apparatus for measuring the headspace of the case of a cartridge using a caliper having a fixed blade and a movable blade composing a body member attached to one of the blades of the caliper. The body member has a longitudinally extending bore into which is inserted an annular extension of a bushing, the bushing having a bore preselected to be equal to or substantially similar to the datum reference circle of a case of the cartridge, the headspace of which is to be measured.

REFERENCES:
patent: 694804 (1902-03-01), Stromberg
patent: 2212884 (1940-08-01), Polasik
patent: 2325423 (1943-07-01), Pembroke
patent: 2383348 (1945-08-01), Sink
patent: 2444136 (1948-06-01), Leasure
patent: 2553704 (1951-05-01), Eckel
patent: 2585521 (1952-02-01), Wandrus
patent: 2600488 (1952-06-01), Crump
patent: 2823458 (1958-02-01), Zabloudil
patent: 3209461 (1965-10-01), Wilson
patent: 3217417 (1965-11-01), Love et al.
patent: 4248132 (1981-02-01), Blomseth
patent: 4918825 (1990-04-01), Lesh et al.
patent: 5233124 (1993-08-01), Peterson

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