Portable cordless hammer

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Description

FIG. 1 is a top, front and right side perspective view of a portable cordless hammer showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

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

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D243742 March 22, 1977 House, II et al.
D323961 February 18, 1992 Fushiya et al.
3602318 August 1971 Slany
3837409 September 1974 Consoli et al.
3998278 December 21, 1976 Stiltz et al.
4442906 April 17, 1984 Simpson
4750567 June 14, 1988 Grossmann et al.
4763733 August 16, 1988 Neumaier
4930583 June 5, 1990 Fushiya et al.
Other references
  • Reference "A" page from a brochure of the Matsushita Corporation's brochure on a Battery Powered Hammer Drill, Models EZ6810BK and EZ6801BK. Reference "B" page from the Bosch Corporation's brochure on a Hammer Drill, Models GBH12VRE and GBH24VRE.
Patent History
Patent number: D333767
Type: Grant
Filed: Oct 19, 1990
Date of Patent: Mar 9, 1993
Assignee: Hitachi Koki Company, Limited (Tokyo)
Inventors: Yuichiro Sasaki (Katsuta), Chikai Yoshimizu (Katsuta)
Primary Examiner: Alan P. Douglas
Assistant Examiner: J. H. Musgrove
Law Firm: Lowe, Price, Leblanc & Becker
Application Number: 7/600,354
Classifications
Current U.S. Class: D 8/69