Mechanical guns and projectors – Spring – Bow
Patent
1985-05-20
1987-05-26
Pinkham, Richard C.
Mechanical guns and projectors
Spring
Bow
124DIG1, F41B 500
Patent
active
046676490
ABSTRACT:
An archery bow having a vertically elongated handle, upper and lower bow limbs that are pivotally connected to the handle intermediate opposite ends of the limbs, a pair of levers pivotally connected to the opposite ends of the handle, swivel arms pivotally mounted to the handle, first and second idler pulleys mounted on the one ends of the swivel arms. A pulley wheel is mounted to each of the remote ends of the limbs. The bowstring connects to and extends from each lever to the respective adjacent idler wheels. The bowstring is reversely bent over each idler wheel and extends therefrom to the adjacent pulley wheels on the limbs remote ends whereby the bowstring is reversely bent thereof. A cable joins and extends between each adjacent lever and limb end portion whereby as the bowstring is drawn the idler wheels are moved toward one another to pivot the swivel arms such that the cables draw the adjacent ends of the limbs to apply bowing forces thereto while bowing forces are also applied to the remote ends of the limbs through the wheels mounted thereon.
REFERENCES:
patent: 4183345 (1980-01-01), Caldwell
Johnson Clayton R.
Layno Benjamin
Pinkham Richard C.
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