Crank arm for a bicycle

- Seattle Bike Supply

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Description

FIG. 1 is a front elevational view of a crank arm for a bicycle showing my new design;

FIG. 2 is a right side elevational view thereof, the left side view being a mirror of that shown;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
4704919 November 10, 1987 Durham
4728218 March 1, 1988 Durham
4807491 February 28, 1989 Struckenbrok
Other references
  • American Bicyclist & Motorcyclist, Aug. 1988, p. 81, the CR-MO Bicycle Crank. Bike Nashbar, Spring 1987, p. 25, the Campagnolo Super Record and Suntour Cyclone Cranksets.
Patent History
Patent number: D323308
Type: Grant
Filed: Jun 11, 1990
Date of Patent: Jan 21, 1992
Assignee: Seattle Bike Supply (Kent, WA)
Inventor: Ysmael E. Romero (Santa Paula, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Melody Brown
Attorney: Jack C. Munro
Application Number: 7/535,962
Classifications
Current U.S. Class: Crank Or Sprocket (D12/123)