Compound bow with over-lapping track cams

Details Compound bow with over-lapping track cams Compound bow with over-lapping track cams

1981-06-22

1983-08-30

Hum, Vance Y.

Mechanical guns and projectors

Spring

Bow

F41B 500

Patent

active

044010974

ABSTRACT:
A compound bow includes improved cam members eccentrically mounted upon the bow limb tips and each provided with a main body section having a curved lever section extending outwardly therefrom. A groove or track in the periphery of the main body section extends about the outer periphery of the lever section to provide a continuous over-lapping track disposed in a single vertical plane. A bowstring end is disposed within each lever section track while each main body section track receives the cam end of a tension cable. Adjustable or replaceable elements allow for the ready synchronization of the two cam members as well as variation of the bow draw weight.

REFERENCES:
patent: 3851638 (1974-12-01), Alexander
patent: 3958551 (1976-05-01), Ketchum
patent: 4112909 (1978-09-01), Caldwell
patent: 4287867 (1981-09-01), Islas
patent: 4294221 (1981-10-01), Bryant
patent: 4300521 (1981-11-01), Schmitt

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