Firearms – With adjustable head space – By reaming
Patent
1981-03-04
1983-03-01
Jordan, Charles T.
Firearms
With adjustable head space
By reaming
F41C 2700
Patent
active
043751350
ABSTRACT:
An apparatus and method of signaling unsafe handling and optimum firing of a shoulder weapon by monitoring the attitude of the weapon. The method includes attaching to the weapon the apparatus which intermittently emits an audible signal when the weapon reaches a predetermined angular position with respect to a horizontal plane; moving the weapon to at least the predetermined angular position in order to activate the audible signal; and determining whether or not the moving step was intentional or unintentional. The apparatus comprises a power source; an audio oscillator electrically engaging and responsive to the power source for activating an audio signal; an audio transducer electrically connected to the audio oscillator for converting an audio signal into an acoustical signal; an electronic switch electrically attached to the audio oscillator and to the power source for switching the oscillator "on" and "off"; and a mercury switch electrically connected to the power source and to the electronic switch for closing and opening the circuitry of the apparatus.
REFERENCES:
patent: 1098612 (1914-06-01), Bourdelles
patent: 2134406 (1938-10-01), Jacobs
patent: 2325599 (1943-08-01), Fidelman
patent: 3044204 (1962-07-01), Zimmerman
patent: 4007553 (1977-02-01), Clegg
Carpenter John Wade
Jordan Charles T.
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