Firearm trigger pull measuring device

Details Firearm trigger pull measuring device Firearm trigger pull measuring device

1999-08-30

2000-07-11

Rimell, Sam

Education and demonstration

Organized armed or unarmed conflict or shooting

Gunnery

7386242, 434 11, F41G 326

Patent

active

060863757

ABSTRACT:
A device for measuring the force required to discharge a firearm by pulling its trigger. The device includes a base with a threaded rod rotatably secured thereto. A spring balance is threadably fastened to the threaded rod and is adapted for movement relative to the base when the threaded rod is rotated. The spring balance has a piston rod with a free end formed into a catch for engaging the trigger of a firearm on the base. An upwardly-extending, trigger guard retainer is affixed to the base adjacent the free end of the piston rod for retaining the firearm. By rotating the threaded rod, the piston rod is drawn against the firearm trigger such that the force required to discharge the firearm can be read from the spring balance.

REFERENCES:
patent: 1822352 (1931-09-01), Laursen
patent: 2590498 (1952-03-01), Bomberger
patent: 3432930 (1969-03-01), Ljunberg
patent: 3559470 (1971-02-01), McDowell
patent: 4913655 (1990-04-01), Pinkley et al.

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