Keyless drill chuck

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FIG. 1 is a front perspective view of the keyless drill chuck of the present invention;

FIG. 2 is a rear perspective view;

FIG. 3 is a side elevational view, the top and bottom views being identical and the rear side elevation view a mirror image thereof;

FIG. 4 is a front end view; and,

FIG. 5 is a rear end view.


The ornamental design for a keyless drill chuck, as shown and described.

Referenced Cited
U.S. Patent Documents
D346541 May 3, 1994 Somers
D356932 April 4, 1995 Owens et al.
D359217 June 13, 1995 Owens et al.
D361076 August 8, 1995 Shadeck et al.
D386193 November 11, 1997 Steadings
D400418 November 3, 1998 Lui
D404988 February 2, 1999 Long
D423315 April 25, 2000 Robson
D426442 June 13, 2000 Long
6102411 August 15, 2000 Wilson
6186516 February 13, 2001 Miles et al.
Patent History
Patent number: D462249
Type: Grant
Filed: Nov 5, 2001
Date of Patent: Sep 3, 2002
Assignee: TechTronic Industries Co., LTD (Hong Kong)
Inventors: Daniel A. Chunn (Hong Kong), Meily Siu Mei Chan (Hong Kong), Felix Hei Shun Leung (Hong Kong), Benson Chun Kit Cheung (Hong Kong)
Primary Examiner: Doris V. Coles
Assistant Examiner: T. Chase Nelson
Attorney, Agent or Law Firms: John B. Hardaway, III, Nexsen Pruet Jacobs & Pollard, LLC
Application Number: 29/150,468
Current U.S. Class: D8/70; Tool Or Work Holder (D15/140)
International Classification: 0805;