Impact wrench

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Description

FIG. 1 is a perspective left and top view of an impact wrench embodying the design of our invention; and

FIG. 2 is a perspective right and bottom side view of the same.

Referenced Cited
U.S. Patent Documents
D168215 November 1952 Doeden
D176846 February 1956 Fischer et al.
Other references
  • Skil 1973 Tool Catalog I-113, p. 45, air impact wrench Model 1108 at bottom right of page.
Patent History
Patent number: D248820
Type: Grant
Filed: Feb 17, 1977
Date of Patent: Aug 8, 1978
Assignee: Chicago Pneumatic Tool Company (New York, NY)
Inventors: Robert D. Roth (Utica, NY), Raymond J. Schaedler (Hartford, NY)
Primary Examiner: Alan P. Douglas
Attorney: Stephen J. Rudy
Application Number: 5/769,708
Classifications
Current U.S. Class: D 8/61
International Classification: D0805;