Firearms – With adjustable head space – By reaming
Patent
1975-09-03
1977-01-11
Bentley, Stephen C.
Firearms
With adjustable head space
By reaming
324 94, 346 38, F41C 2700
Patent
active
040019616
ABSTRACT:
An electrochemical elapsed time meter indicator with round counter circui for a gun to indicate past usage whereby maintenance and repair or replacement procedures will insure greater reliability in critical field use. The meter, working on an electroplating principle as a function of current and time, may be activated by gun use such as by a switch on the gun trigger, an inductance or piezoelectric transducer in the buffer, a recoil operated microswitch or as part of the circuit in externally powered guns. The meter preferably is color coded to indicate weapon condition, area of use, and replacement or maintenance required.
REFERENCES:
patent: 1273078 (1918-07-01), McManus
patent: 2354079 (1944-07-01), Webb
patent: 3045178 (1962-07-01), Corrsin
patent: 3090914 (1963-05-01), Kabak
Johnson Curtis D.
Weidner Hal E.
Bentley Stephen C.
Card, Jr. Harold H.
Edelberg Nathan
Richardson Robert O.
The United States of America as represented by the Secretary of
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