Dual-cam archery bow with simultaneous power cable take-up...

Details Dual-cam archery bow with simultaneous power cable take-up... Dual-cam archery bow with simultaneous power cable take-up...

2007-12-11

2007-12-11

Ricci, John A. (Department: 3711)

Mechanical guns and projectors

Spring

Bow

Reexamination Certificate

active

11084395

ABSTRACT:
A cam assembly for an archery bow comprises: a journal for letting out a draw cable as the bow is drawn and the cam assembly rotates; a take-up mechanism for taking up a first power cable; and a let-out mechanism for letting out a second power cable. A second similar cam assembly comprises: a journal for letting out the draw cable; a take-up mechanism for taking up the second power cable; and a let-out mechanism for letting out the first power cable. Draw force versus draw distance for the bow is at least in part determined by: relative rates of take-up and let-out of the first power cable by the first and second cam assemblies, respectively; and relative rates of take-up and let-out of the second power cable by the second and first cam assemblies, respectively.

REFERENCES:
patent: 3990425 (1976-11-01), Ketchum
patent: 5368006 (1994-11-01), McPherson
patent: 5505185 (1996-04-01), Miller
patent: 6082347 (2000-07-01), Darlington
patent: 6443139 (2002-09-01), McPherson
patent: 6688295 (2004-02-01), Miller
patent: 6691692 (2004-02-01), Adkins
patent: 6990970 (2006-01-01), Darlington

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