Mechanical guns and projectors – Spring – Bow
Patent
1975-02-26
1976-05-25
Pinkham, Richard C.
Mechanical guns and projectors
Spring
Bow
124 35A, F41B 500
Patent
active
039585514
ABSTRACT:
Pairs of individually changeable cam wheels at the tips of a compound bow for selective adjustment of the weight and draw length of the bow. The wheels have halves having different size grooves, said halves being interchangeable thus offering a full range of different weight and draw length bows.
REFERENCES:
patent: 3486495 (1969-12-01), Allen
patent: 3744473 (1973-07-01), Nishioka
patent: 3841295 (1974-10-01), Hunter
patent: 3851638 (1974-12-01), Alexander
AMF Incorporated
Browne William R.
Lewis Walter
Pinkham Richard C.
Price George W.
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