Work machine for power shovel

Description

FIG. 1 is a front view of a first embodiment of a work machine for power shovel;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a right side view of the first embodiment of the work machine for power shovel, also illustrating a bucket and dozer mounted as exemplary front attachments to the front of the work machine for power shovel. However, the design details of the bucket and dozer of FIG. 7 are hereby disclaimed and form no part of the claimed design;

FIG. 8 is a front view of a second embodiment of a work machine for power shovel, which includes a canopy mounted on the work machine for power shovel of the first embodiment, and which includes front, right side and left side guardrails and right and left side panels mounted on the work machine machine for power shovel of the first embodiment;

FIG. 9 is a rear view thereof;

FIG. 10 is a top view thereof, the bottom view being the same as FIG. 4;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof; and,

FIG. 13 is a right side view of the work machine for power shovel of the second embodiment, also illustrating a bucket and dozer mounted as exemplary front attachments to the front of the work machine for power shovel. However, the design details of the bucket and dozer of FIG. 13 are hereby disclaimed and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D309313 July 17, 1990 Takashima et al.
D312468 November 27, 1990 Masumoto et al.
D354497 January 17, 1995 Kusunoki et al.
D383470 September 9, 1997 Ishizaki et al.
D387360 December 9, 1997 Ishizaki et al.
4728251 March 1, 1988 Takashima et al.
4771855 September 20, 1988 Takashima et al.
5108253 April 28, 1992 Kobayashi et al.
Patent History
Patent number: D424581
Type: Grant
Filed: Mar 17, 1998
Date of Patent: May 9, 2000
Assignee: Shin Caterpillar Mitsubishi Ltd. (Tokyo)
Inventors: Izuru Morita (Tokyo), Yoshihiro Sekiguchi (Tokyo)
Primary Examiner: Sandra L. Morris
Law Firm: Oliff & Berridge, PLC
Application Number: 0/85,138
Classifications
Current U.S. Class: Endless Track (D15/24)
International Classification: 1504;