Trolley bus bar

- Tsubakimoto Chain Co.
Description

FIG. 1 is a front elevational view of a trolley bus bar showing our design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a perspective view thereof.

The trolley bus bar in FIGS. 1 through 4 is shown broken away in the center for convenience of illustration.

Referenced Cited
U.S. Patent Documents
D278229 April 2, 1985 Widell et al.
4393785 July 19, 1983 H/o/ rtnagel
4520733 June 4, 1985 Willmann
Patent History
Patent number: D289984
Type: Grant
Filed: Aug 10, 1984
Date of Patent: May 26, 1987
Assignee: Tsubakimoto Chain Co. (Osaka)
Inventors: Takashi Ishikura (Osaka), Joji Mino (Osaka), Takaaki Nagato (Osaka)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Law Firm: Flynn, Thiel, Boutell & Tanis
Application Number: 6/639,963
Classifications
Current U.S. Class: Track (D12/50)