Hydraulic punch driver

- Greenlee Textron Inc.
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Description

FIG. 1 is a top plan view of a hydraulic punch driver showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear end elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front end elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D261097 October 6, 1981 Wallace et al.
4339942 July 20, 1982 Svensson
Other references
  • Gardner-Denver advertisement; 1 page; 6/69; Section 11, p. 425, 1st edition "40-Series Angle Drills".
Patent History
Patent number: D310009
Type: Grant
Filed: Nov 17, 1987
Date of Patent: Aug 21, 1990
Assignee: Greenlee Textron Inc. (Rockford, IL)
Inventor: Edward S. Freiwald (Rockford, IL)
Primary Examiner: Winifred E. Herrmann
Assistant Examiner: John Warchol
Attorney: R. A. Giangiorgi
Application Number: 7/121,732
Classifications
Current U.S. Class: D 8/67; D 8/98