Bolt

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Description

FIG. 1 is a perspective view of a bolt showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a sectional view thereof taken in the direction of the arrows on line 5--5 of FIG. 2.

Referenced Cited
U.S. Patent Documents
3498173 March 1970 Loright
Foreign Patent Documents
0138281 February 1920 GBX
Other references
  • Eskay 1980 Stock List; p. 31; Pan Head Style (third from bottom, left column); Supadriv Driving Recess (second from top, center right column).
Patent History
Patent number: D285651
Type: Grant
Filed: Nov 22, 1983
Date of Patent: Sep 16, 1986
Assignees: Iwata Bolt Kogyo Kabushiki Kaisha (Tokyo), Kabushiki Kaisha Suzuki Rashi Seisakusho (Asaka), Sony Kabushiki Kaisha (Tokyo)
Inventors: Yukichi Iwata (Tokyo), Yasuo Suzuki (Asaka)
Primary Examiner: B. J. Bullock
Attorneys: Robert E. Burns, Emmanuel J. Lobato, Bruce L. Adams
Application Number: 6/554,355
Classifications
Current U.S. Class: D/8387