Hammer drill

- Black & Decker Inc.
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Description

FIG. 1 is a front perspective view of a hammer drill showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

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

FIG. 7 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D280797 October 1, 1985 Sakamoto et al.
D328411 August 4, 1992 Cavedo
D342878 January 4, 1994 Wantanabe et al.
D343105 January 11, 1994 Shibata et al.
5159986 November 3, 1992 Hoser
Other references
  • Black & Decker 1994 Catalog (Industry & Constructiion), p. 58 (Model 5070). Bosch 1995 Catalog, p. 29 (Model No. 1195VSR). Hitachi Catalog, p. 29 (Model No. 1195VSR). Makita 1993 Catalog, p. 73 (Model No. HP2010N). Milwaukee 1995 Electric Tools Catalog 195 (For Contractors and Industry, p. 48 (Model No. 5392-1). Porter Cable 1994 Catalog, p. 59 (Model No. 7751). Skil Heavy Duty 1995 Catalog, p. 85 (Model No. HD6876).
Patent History
Patent number: D406741
Type: Grant
Filed: Jul 29, 1997
Date of Patent: Mar 16, 1999
Assignee: Black & Decker Inc. (Newark, DE)
Inventor: Donald W. Zurwelle (Lutherville, MD)
Primary Examiner: Antoine Duval Davis
Attorneys: Dennis A. Dearing, John D. Del Ponti, Bruce S. Shapiro
Application Number: 0/74,152
Classifications
Current U.S. Class: D 8/68
International Classification: 0803;