Bicycle crank arm portion

- Shimano Inc.
Description

FIG. 1 is a bottom perspective view of a bicycle crank arm portion in accordance with a first embodiment of my new design;

FIG. 2 is a right side elevational view of the bicycle crank arm portion illustrated in FIG. 1;

FIG. 3 is a front elevational view of the bicycle crank arm portion illustrated in FIGS. 1 and 2;

FIG. 4 is a left side elevational view of the bicycle crank arm portion illustrated in FIGS. 1-3;

FIG. 5 is a rear side end elevational view of the bicycle crank arm portion illustrated in FIGS. 1-4;

FIG. 6 is a bottom plan view of the bicycle crank arm portion illustrated in FIGS. 1-5;

FIG. 7 is a bottom perspective view of a bicycle crank arm portion in accordance with a second embodiment of my new design;

FIG. 8 is a right side elevational view of the bicycle crank arm portion illustrated in FIG. 7;

FIG. 9 is a front elevational view of the bicycle crank arm portion illustrated in FIGS. 7 and 8;

FIG. 10 is a left side elevational view of the bicycle crank arm portion illustrated in FIG. 9;

FIG. 11 is a rear side end elevational view of the bicycle crank arm portion illustrated in FIG. 9;

FIG. 12 is a bottom plan view of the bicycle crank arm portion illustrated in FIG. 9;

FIG. 13 is a bottom perspective view of a bicycle crank arm portion in accordance with a third embodiment of my new design;

FIG. 14 is a right side elevational view of the bicycle crank arm portion illustrated in FIG. 13;

FIG. 15 is a front elevational view of the bicycle crank arm portion illustrated in FIGS. 13 and 14;

FIG. 16 is a left side elevational view of the bicycle crank arm portion illustrated in FIGS. 13-15;

FIG. 17 is a rear side end elevational view of the bicycle crank arm portion illustrated in FIGS. 13-16; and,

FIG. 18 is a bottom plan view of the bicycle crank arm portion illustrated in FIGS. 13-17.

The broken line showing of environment (the remaining structure of the bicycle crank arm) in the Figures is for illustrative purposes only and forms no part of the claimed designs. Also, the cross-sectional views and the broken away portions are presented for better understanding the claimed designs.

Referenced Cited
U.S. Patent Documents
D319808 September 10, 1991 Cook
D323308 January 21, 1992 Romero
D356526 March 21, 1995 Burns
5179873 January 19, 1993 Girvin
5293964 March 15, 1994 Li
5988016 November 23, 1999 Yamanaka
Patent History
Patent number: D430075
Type: Grant
Filed: Feb 25, 1999
Date of Patent: Aug 29, 2000
Assignee: Shimano Inc. (Osaka)
Inventor: Kanji Kirimoto (Osaka)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Linda Brooks
Law Firm: Shinjyu Global IP Counselors, LLP
Application Number: 0/101,159
Classifications
Current U.S. Class: Crank Or Sprocket (D12/123)
International Classification: 1211;