Cordless screw driver

Description

FIG. 1 is a front perspective view of the cordless screwdriver showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D243652 March 15, 1977 Zurwelle et al.
D243742 March 22, 1977 House et al.
2730635 January 1956 McCabe
Foreign Patent Documents
53-7064 July 1978 JPX
56-0126 September 1981 JPX
59-6321 March 1983 JPX
Other references
  • Catalogue printed by Kress-Electrik GmbH & Co. 1987. House & Garden, Jul. 1975, p. 24, Black & Decker's "Energy Pak" Handle. Black & Decker Industrial/Construction Division Catalog 1982, p. 18--Drywall "Scrugun" Screwdriver 2035-2037.
Patent History
Patent number: D302646
Type: Grant
Filed: Dec 21, 1987
Date of Patent: Aug 8, 1989
Assignee: Hitachi Koki Company, Ltd.
Inventors: Yuichiro Sasaki (Katsuta), Toshiaki Uchida (Katsuta)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Clare E. Heflin
Law Firm: Lowe, Price, LeBlanc, Becker & Shur
Application Number: 7/136,484
Classifications
Current U.S. Class: D 8/68; D 8/69