US Patent: 5,894,767 - Spoke Wrench


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US Patent: 5,894,767

Spoke Wrench

Patentees:

Gerald A. Wridt (exact or similar names) - Racine, WI

Mark J. Hasenberg (exact or similar names) - Kenosha, WI

Wendell J. Woodruff (exact or similar names) - Monona, WI

USPTO Classifications:

81/119, 81/124.2, 81/125.1, 81/DIG.7

Tool Categories:

Assignees:

Snap-On Technologies, Inc. - Lincolnshire, IL

Trek Bicycle Corporation - Waterloo, WI

Manufacturer:

Not known to have been produced

Witnesses:

none listed

Patent Dates:
Applied:	Aug. 14, 1997
Granted:	Apr. 20, 1999

Patent Pictures:

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Snap-On Tools Company History

Description:

Emrich & Dithmar - patent attorneys

This is a continuation of U.S. Ser. No. 08/616,624, filed Mar. 15, 1996 and entitled "Improved Spoke Wrench", abandoned.

Abstract

A wrench for a wheel spoke nipple is provided. The wrench includes a body having an axis and first and second axial ends, the first axial end having first and second engagement notches for engaging spoke nipples, and the second axial end having third and fourth engagement notches for engaging spoke nipples. The wrench may also include a central portion disposed between the first and second axial ends, the central portion having first and second radial engaging portions for engagement with a user's fingers or thumb. Each engaging portion having an inner radial end and an outer radial end. Each engaging portion also having first and second oppositely contoured concave faces disposed between the inner and outer radial ends wherein the distance between the first and second oppositely contoured faces of the first engaging portion increases between the inner and outer radial ends.