Mechanical guns and projectors – Element – Trigger or releasing mechanism
Patent
1984-03-30
1986-03-11
Pinkham, Richard C.
Mechanical guns and projectors
Element
Trigger or releasing mechanism
F41C 1900
Patent
active
045747679
ABSTRACT:
A bow trigger mechanism is disclosed which includes a pair of spaced-apart frame members, the frame members defining an operating opening therewithin and terminating rearwardly in an integral handle featuring relatively wide bearing finger pulls. A pair of first and second bent jaws are pivotally retained within the spaced frame members and are movable between a normally closed and locked position to an open position wherein a clearance opening sufficient to allow passage of a bowstring is formed. A non-compressible, non-extendable spring is positioned in linear arrangement between the rearward extensions of the bent jaws and has its respective ends pivotally connected thereto. At least a major portion of the spring is exposed within the operating opening. By pulling rearwardly upon the spring within the clearance opening, the linear arrangement of the spring is transformed into an arcuate configuration, thereby causing the spring ends to move closer together to thus pull the rearward extensions of the jaws toward each other. The inward movement of the jaw extensions creates pivotal movement to open or close the jaw forward ends for bowstring loading, pulling and releasing purposes.
REFERENCES:
patent: 3948243 (1976-04-01), Gazzara
patent: 4257386 (1981-03-01), Gazzara
Layno Benjamin
Pinkham Richard C.
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