Transmission device for chainless bicycle

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Description

FIG. 1 shows a perspective view of the present design.

FIG. 2 shows a front view of the present design,

FIG. 3 shows a rear view of the present design.

FIG. 4 shows a left side view of the present design

FIG. 5 shows a right side view of the present design.

FIG. 6 shows a top view of the present design; and,

FIG. 7 shows a bottom view of the present design.

Claims

The ornamental design for a transmission device for chainless bicycle, as shown and described.

Referenced Cited
U.S. Patent Documents
821340 May 1906 Copeland
4795014 January 3, 1989 Rheingold
5078025 January 7, 1992 Wei et al.
5605514 February 25, 1997 Driver
D401538 November 24, 1998 Chang
D421938 March 28, 2000 Chen
20020121761 September 5, 2002 Chang
Patent History
Patent number: D686113
Type: Grant
Filed: Nov 21, 2012
Date of Patent: Jul 16, 2013
Assignee: Sussex Enterprises Co., Ltd. (Taichung)
Inventor: Yu-Sheng Lin (Taichung)
Primary Examiner: Susan M Lee
Assistant Examiner: Linda G Brooks
Application Number: 29/437,932