Mechanical guns and projectors – Element – Trigger or releasing mechanism
Patent
1974-12-17
1977-03-01
Pinkham, Richard C.
Mechanical guns and projectors
Element
Trigger or releasing mechanism
F41B 500
Patent
active
040097030
ABSTRACT:
This invention is a trigger release mechanism usable with a bow and arrow assembly being initially operable 1) to grasp the bow string to pull the same backwards and then 2) to instantaneously and accurately release the bow string through operation thereof. The trigger release mechanism includes a housing assembly; an actuator assembly operably connected to a cam assembly with both mounted within the housing assembly; and an adjustment assembly mounted within the housing assembly. The actuator assembly includes a plunger member operably connected to a main actuator member which, in turn, is operably associated with the cam assembly. Axial movement of the plunger assembly permits rotation of the cam assembly to release the bow string. The adjustment assembly is operable to adjust 1) the resistance to axial movement of the plunger member and 2) amount of axial movement of the plunger member required before release of the bow string through the cam assembly.
REFERENCES:
patent: 2417791 (1947-03-01), Tyszkiewicz
patent: 2637311 (1953-05-01), Rose
patent: 2936749 (1960-05-01), Chellstorp
patent: 2977952 (1961-04-01), Gabriel et al.
patent: 3461852 (1969-08-01), Brothers
patent: 3738651 (1973-06-01), Norman et al.
patent: 3898974 (1974-08-01), Keck
Browne William R.
Pinkham Richard C.
Rein Phillip A.
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