Electric screw driver

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Description

Figure is a front, top and right-side perspective view of a screw driver showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D217218 April 1970 Staub
D298009 October 11, 1988 Svetlik
D303271 September 5, 1989 Lord
D308622 June 19, 1990 Fushiya et al.
D310160 August 28, 1990 Patel
D310470 September 11, 1990 Tohdoh
3935909 February 3, 1976 Mabuchi et al.
4374354 February 15, 1983 Petrovic et al.
4653359 March 31, 1987 Liao
4708210 November 24, 1987 Rahm
Patent History
Patent number: D326043
Type: Grant
Filed: May 19, 1989
Date of Patent: May 12, 1992
Assignee: Hitachi Koki Company, Limited (Tokyo)
Inventors: Hideaki Hasegawa (Katsuta), Fumio Tashimo (Katsuta), Shigehisa Hagura (Tokyo), Kazuyuki Tuburaya (Tokyo), Masaru Oda (Tokyo)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: J. H. Musgrove
Law Firm: Lowe, Price, LeBlanc & Becker
Application Number: 7/354,334
Classifications
Current U.S. Class: D 8/68