Drive extension

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Description

FIG. 1 is a perspective view of a drive extension showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an exploded perspective view of the swivel holder portion of the drive extension, the parts being shown separated and embraced by a bracket to indicate the order of their assembly, and the shaft portion of the drive extension being removed for clarity of depiction only. It is understood that the bracket seen in the FIG. 3 view forms no part of the claimed design.

FIG. 4 is a perspective view of the shaft portion of the drive extension thereof, the swivel holder of the drive extension being removed for clarity of depiction only;

FIG. 5 is a side elevational view of FIG. 4;

FIG. 6 is a perspective view of the drive extension, showing an alternate embodiment of my new design;

FIG. 7 is a side elevational view thereof;

FIG. 8 is a perspective view of the auxiliary knob of the drive extension of FIG. 6, all other parts of the drive extension being removed for clarity of depiction;

FIG. 9 is a top plan view of both FIGS. 1 and 6;

FIG. 10 is a bottom plan view of FIG. 1; and,

FIG. 11 is a bottom plan view of FIG. 6.

The drive extension is shown broken away in FIGS. 1, 2, 4, 5, 6, and 7 to depict indeterminate length.

Claims

The ornamental design for a drive extension, as shown and described.

Referenced Cited
U.S. Patent Documents
3686915 August 1972 Miller et al.
4206821 June 10, 1980 Emmerich
4350064 September 21, 1982 Markle
4632195 December 30, 1986 Emmerich
4920832 May 1, 1990 Van Gennep
5009133 April 23, 1991 Carey
D358082 May 9, 1995 Trezza
5680800 October 28, 1997 Sharpe
D386656 November 25, 1997 Kyser
5896792 April 27, 1999 Hurt
6116123 September 12, 2000 Chen
D438545 March 6, 2001 Burch
6378401 April 30, 2002 Lordahl et al.
D467154 December 17, 2002 Song
6487947 December 3, 2002 Clai
6523441 February 25, 2003 Lee
6662688 December 16, 2003 Avery
6672183 January 6, 2004 Johnson
20020152848 October 24, 2002 Johnson
20030056625 March 27, 2003 Bizilia et al.
20040061382 April 1, 2004 Schreier
Patent History
Patent number: D540644
Type: Grant
Filed: Jan 29, 2002
Date of Patent: Apr 17, 2007
Inventor: In Wha Song (Norwalk, CA)
Primary Examiner: Gary D. Watson
Assistant Examiner: T. Chase Nelson
Application Number: 29/154,658
Classifications
Current U.S. Class: D8/70; D8/25