Keyless drill chuck

Description

FIG. 1 is a front elevational view of the keyless drill chuck showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top perspective view thereof; and,

FIG. 8 is a bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
3028168 April 1962 Hughes et al.
4252333 February 24, 1981 Vogel
4275893 June 30, 1981 Bilanceri
4305597 December 15, 1981 McCarty
4527809 July 9, 1985 Umbert
4842288 June 27, 1989 Ando
4848779 July 18, 1989 Wheeler et al.
Patent History
Patent number: D336305
Type: Grant
Filed: Oct 19, 1990
Date of Patent: Jun 8, 1993
Inventor: Daniel R. Iadonisi (Port St. Lucie, FL)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Antoine D. Davis
Attorney: Leon Gilden
Application Number: 7/600,070
Classifications