| US 7,614,611 B1 | ||
| Sheave and sheave system | ||
| Stewart Walton, 20 Clipper Dr., Mystic, Conn. 06355 (US); and Richard Cazeault, 17 Indian La., Webster, Mass. 01570 (US) | ||
| Filed on Jul. 10, 2008, as Appl. No. 12/170,890. | ||
| Int. Cl. B66D 3/08 (2006.01) | ||
| U.S. Cl. 254—393 | 6 Claims |
| 1. A sheave system comprising:
a first grooved sheave, with an outer diameter of a first value; a first groove size, and a sheave body inner diameter of
a first value;
a second grooved sheave, with an outer diameter of a second value; a second groove size, and a sheave body inner diameter
of a first value;
a third grooved sheave, with an outer diameter of a third value; a third groove size, and a sheave body inner diameter of
a first value;
a first sheave sleeve configured to be fixedly attached to any of the first through third grooved sheaves, the first sheave
sleeve comprising:
a first sleeve bore, with a first sleeve inner diameter of a first value;
a first sleeve outer diameter that is about the same as the sheave body inner diameter as to allow a fixed attachment between
the sleeve and any of the first through third grooved sheaves;
a second sheave sleeve configured to be fixedly attached to any of the first through third grooved sheaves, the second sheave
sleeve comprising:
a second sleeve bore, with a second sleeve inner diameter of a second value;
a second outer diameter that is about the same as the sheave body inner diameter as to allow a fixed attachment between the
second sheave sleeve and any of the first through third grooved sheaves;
a third sheave sleeve configured to be fixedly attached to any of the first through third grooved sheaves, the third sheave
sleeve comprising:
a third sleeve bore, with a third sleeve inner diameter of a third value; and
a third sleeve outer diameter that is about the same as the sheave body inner diameter as to allow a fixed attachment between
the sleeve and any of the first through third grooved sheaves.
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