Ordnance – Automatic – Firing device operation or control
Reexamination Certificate
1999-09-03
2001-05-01
Johnson, Stephen M. (Department: 3641)
Ordnance
Automatic
Firing device operation or control
C089S027300, C042S069010
Reexamination Certificate
active
06223644
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention generally relates to shooting sports equipment and more particularly to an improved gun having a novel rapid fire trigger assembly, and to the novel rapid fire trigger assembly for the gun.
2. Prior Art
Various attempts have been made to provide equipment for guns which can improve the rapidity with which the gun can be fired. Most fully automatic weapons are prohibited. Semi-automatic weapons which are not prohibited require that the gun trigger be pulled each time a shot is to be fired. When a gunner tries to pull the trigger rapidly and repeatedly, shooting accuracy decreases because of the anxiety of the gunner, because his concentration is focused on the act of repeatedly rapidly pulling the trigger instead of holding his gun aim and also because pulling or squeezing the trigger, especially when done rapidly and repeatedly, inevitably applies an angled torque to the gun through the trigger and tends to pull the gun drastically off target.
Devices which have attempted to solve the foregoing problems have failed. Moreover, in most instances they not only are expensive and difficult to install on a gun and adjust to fit the needs of the particular gun and gunner, but they tend to be bulky, easily dislodged and also tend to malfunction during shooting the gun over extended periods of time.
Accordingly, there is a need for an improved device which is inexpensive, durable, easy to install and adjust and which is compact and light in weight. Moreover, the device should be capable of permitting the gunner to fire multiple shots from his gun accurately and with a minimum of concentration on the act of firing. The hand bearing the trigger finger should be free to support the gun for an optimal steady aim during the sequential firing of the gun.
SUMMARY OF THE INVENTION
The improved gun of the present invention bearing the improved rapid fire trigger assembly of the present invention satisfies all the foregoing needs. The gun is easy to use and accurate to shoot in a multiple firing mode. The rapid fire trigger assembly is simple, easy to install, durable, easy to adjust and inexpensive. Moreover, it frees the gunner's trigger hand for steadying the gun for improved accuracy during multiple sequential firing of the gun.
The improved gun has a main body with a trigger connected thereto and depending from the underside thereof. The trigger is biased by a spring or the like into a non-firing forward position. The gun has an improved rapid fire assembly mounted on the gun in front of the trigger. If the gun has a trigger guard, the assembly is mounted on the lower horizontal bar of the guard. If the gun has no trigger guard the assembly is mounted directly to the main body of the gun. In that event, the assembly can include a housing which extends around the trigger to protect the gun from accidently firing.
In any event the assembly includes a housing having spaced sidewalls and front and rear walls interconnecting the same and defining therewith a central space. A generally cylindrical tube extends transversely through the sidewalls and into the central space and has a central portion in the central space, which central portion has a plurality of spaced radially extending spokes. The opposite ends of the tube project out of he sidewalls and the tube can be rotated relative to the housing. In this regard one of the tube ends bears a crank for such rotation, the crank having a trigger finger-receiving depression therein. The crank is close to the sidewall for easy access by the gunner while supporting the gun in both hands for a steady aim. The housing also has an about horizontal wall adjacent the central portion of the tube, upon which rests a slide. The slide has a front end engageable by the spokes and an opposite rear end which extends out through a slit in the rear wall of the housing and toward the trigger for firing of the gun.
When the crank is rotated, the spokes engage the slide and force it rearwardly against the trigger so as to move the trigger to the firing position. After each shot the trigger springs forward, driving the slide forward where it engages a spoke as the crank continues to be rotated, so that this sequence is repeated and the gun can thus be rapidly sequentially fired with total accuracy.
The assembly can include a wedge for wedging the housing into place against the lower bar of a trigger guard. Further features of the invention are set forth in the following detailed description and accompanying drawings.
REFERENCES:
patent: 4276808 (1981-07-01), York
patent: 4532852 (1985-08-01), Hance et al.
patent: 783165 (1985-07-01), None
Johnson Stephen M.
Nist Donald E.
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