Compound bow

Details Compound bow Compound bow

1975-04-07

1976-11-09

Pinkham, Richard C.

Mechanical guns and projectors

Spring

Bow

124 90, F41B 500

Patent

active

039904253

ABSTRACT:
In a compound bow the eccentric wheel assemblies at the limb ends are cross-coupled by the bow stringing so that they are constrained to move in unison so that the bow is self-tuning. Each wheel assembly has three grooved wheels rotatable on a common axis. A first one of the wheels is eccentric and has one end of the bowstring connected to it. The other end of the bowstring is connected to a similar eccentric first wheel at the other end of the bow. A first cross-coupling stretch is connected between a second wheel at one end of the bow and a third wheel at the other end. A second cross-coupling stretch is connected between a third wheel at the one end and a second wheel at the other end.

REFERENCES:
patent: 3486495 (1969-12-01), Allen
patent: 3744473 (1973-07-01), Nishioka
patent: 3851638 (1974-12-01), Alexander

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