Drill chuck

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Description

FIG. 1 is a top, front and right-side perspective view of a drill chuck 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; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3545776 December 1970 Haviland
4527809 July 9, 1985 Umbert
4563013 January 7, 1986 Hunger et al.
4669932 June 2, 1987 Hartley
4726719 February 23, 1988 Mack
4902025 February 20, 1990 Zimdars
4913449 April 3, 1990 Rohm
4955623 September 11, 1990 Rohm
5031925 July 16, 1991 Tatsu et al.
Patent History
Patent number: D332040
Type: Grant
Filed: May 21, 1990
Date of Patent: Dec 29, 1992
Assignee: Ryobi Motor Products Corp. (Easley, SC)
Inventors: Kiyoshi Hoshino (Clemson, SC), James B. Watson (Conyers, GA)
Primary Examiner: Carmen H. Vales-Lado
Assistant Examiner: J. H. Musgrove
Law Firm: Brooks & Kushman
Application Number: 7/526,323
Classifications
Current U.S. Class: D 8/70