Concrete crusher

Description

FIG. 1 is a perspective view of a concrete crusher showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a is a rear view thereof;

FIG. 4 is right-side view thereof, the left-side view being a mirror image;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a sectional view thereof taken along line 7--7 in FIG. 2.

Referenced Cited
U.S. Patent Documents
D323169 January 14, 1992 Saito
D323170 January 14, 1992 Takahashi
4519135 May 28, 1985 LaBounty
4776524 October 11, 1988 Sakato
4838493 June 13, 1989 LaBounty
4951886 August 28, 1990 Berto
5004168 April 2, 1991 Purser
Patent History
Patent number: D332791
Type: Grant
Filed: Sep 10, 1990
Date of Patent: Jan 26, 1993
Assignees: Stone Import & Development Co., Ltd. (Tokyo), Kabushiki Kaisha Sanki Seikosho (Tokyo)
Inventor: Masaaki Kanzawa (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/580,306