Pusher plate for a bookbinding machine

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Description

FIG. 1 is a left perspective view of a pusher plate for a bookbinding machine;

FIG. 2 is a right perspective view thereof;

FIG. 3 is a top, rear perspective view thereof; and

FIG. 4 is a right, bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
3807547 April 1974 Mueller
3879783 April 1975 Giulie
4077078 March 7, 1978 Snellman et al.
4270970 June 2, 1981 Szanto et al.
Patent History
Patent number: D301153
Type: Grant
Filed: Oct 4, 1985
Date of Patent: May 16, 1989
Assignee: Kabushiki Kaisha Osako Seisakusho (Saitama)
Inventor: Tatsuo Osako (Saitama)
Primary Examiner: Louis S. Zarfas
Law Firm: Browdy and Neimark
Application Number: 6/784,638
Classifications
Current U.S. Class: D18/34