Patent
   D287017
Priority
Aug 02 1984
Filed
Aug 02 1984
Issued
Dec 02 1986
Expiry
Dec 02 2000
Assg.orig
Entity
unknown
5
5
n/a
The ornamental design for a crankshaft grinding machine, substantially as shown.

FIG. 1 is a front perspective view of a crankshaft grinding machine embodying my new design;

FIG. 2 is a side elevational view thereof as viewed from the right side of FIG. 1;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof as viewed from the side opposite that illustrated in FIG. 2;

FIG. 5 is top plan view thereof; and

FIG. 6 is a rear elevational view thereof.

Aldridge, Jr., Rufus W.

Patent Priority Assignee Title
6092749, Dec 03 1998 Dual motor drive system
D640714, Apr 09 2010 JTEKT Corporation Grinder
D969180, Dec 26 2019 NAGASE INTEGREX CO , LTD Machine tool
ER1258,
ER9726,
Patent Priority Assignee Title
2708816,
2791067,
3780474,
3878651,
4215962, Jan 31 1977 SAGINAW MACHINE SYSTEMS, INC ; SMS HOLDING CO , INC Internal milling machine for milling crank pins
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 20 1984ALDRIDGE, RUFUS W JR SPENCER WRIGHT INDUSTRIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0045780820 pdf
Aug 02 1984Spencer Wright Industries, Inc.(assignment on the face of the patent)
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