US 9,752,842 B1Granted

Archery bow with a cam timing belt

OwnerDorge O. Huanginventor

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Abstract

An archery bow with a cam timing belt preferably includes a first cam pulley, a first cam cable, a first timing pulley, a second cam pulley, a second cam cable, a second timing pulley and a timing belt. An archery bow includes a riser, a first limb, a second limb, a first cam and a second cam. The riser preferably includes a first timing projection and a second timing projection. The first cam pulley and the first timing pulley are rotatably retained on the first timing projection. The first cable is preferably secured to a first cam axle and the first cam. The second cam pulley and the second timing pulley are rotatably retained on the second timing projection. The second cable is preferably secured to a second cam axle and the second cam. The timing belt is secured to the first and second timing pulleys.

Claims8

Dependent claims

A cam timing system for an archery bow, the archery bow includes a riser, a first limb extending from a first end of the riser, a second limb extending from a second end of the riser, a first cam rotatably retained on the first limb, a second cam rotatably retained on the second limb, comprising:

a first cam pulley is capable of being rotated relative to the riser;
a first cam cable is capable of having one end attached to the first cam, an opposing end of said first cam cable is attached to one of the first cam and a first cam axle, said first cam cable contacts said first cam pulley;
a first timing pulley includes a drive connection with said first cam pulley;
a second cam pulley is capable of being rotated relative to the riser;
a second cam cable is capable of having one end attached to the second cam, an opposing end of said second cam cable is attached to one of the second cam and a second cam axle, said second cam cable contacts said second cam pulley;
a second timing pulley includes a drive connection with said second cam pulley;
and
a timing belt is retained on said first and second timing pulleys, said timing belt is twisted to ensure that said first and second timing pulleys rotate in opposite directions.

5 more elements

An archery bow having a cam timing belt comprising:

an archery bow includes a riser, a first limb, a second limb, a first cam, a second cam, said first limb extends from a first end of said riser, said second limb extends from a second end of said riser, said first cam is rotatably retained on said first limb, said second cam is rotatably retained on said second limb;
a first cam pulley is rotatably retained relative to said riser;
a first cam cable having one end attached to said first cam, an opposing end of said first cam cable is attached to one of said first cam and a first cam axle, said first cam cable contacts said first cam pulley;
a first timing pulley includes a first drive connection with said first cam pulley;
a second cam pulley is rotatably retained relative to said riser;
a second cam cable having one end attached to the second cam, an opposing end of said second cam cable is attached to one of the second cam and a second cam axle, said second cam cable contacts said second cam pulley;
a second timing pulley includes a second drive connection with said second cam pulley;
and
said timing belt is retained on said first and second timing pulleys.

6 more elements

Dependencies are inferred from the claim text.