Dental burr tool holder

Description

FIG. 1 is a top isometric view of a dental burr tool holder showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an end elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top isometric view of the tool holder with the block member in an open position;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is an end elevational view thereof;

FIG. 13 is a top isometric view of a second modified embodiment of the tool holder illustrated in FIG. 1;

FIG. 14 is a top plan view thereof;

FIG. 15 is a front elevational view thereof;

FIG. 16 is a rear elevational view thereof;

FIG. 17 is a bottom plan view thereof;

FIG. 18 is an end elevational view thereof;

FIG. 19 is a top isometric view of a third modified embodiment of the tool holder illustrated in FIG. 1;

FIG. 20 is a top plan view thereof;

FIG. 21 is a bottom plan view thereof;

FIG. 22 is a front elevational view thereof;

FIG. 23 is a rear elevational view thereof; and

FIG. 24 is an end elevational view thereof.

The end elevational view of the ends opposite to the ends shown in respective FIGS. 5, 12, 18 and 24 are the mirror images of the respective end elevational views shown.

Referenced Cited
U.S. Patent Documents
D223259 April 1972 Stahl
D242545 November 1976 Perfect
3092443 June 1963 Dietz
3102637 September 1963 Scholl, Sr.
3270416 September 1966 Massa
4253830 March 3, 1981 Kazen et al.
4256457 March 17, 1981 Behring
4286948 September 1, 1981 Pietschmann
Patent History
Patent number: D273985
Type: Grant
Filed: Jan 11, 1982
Date of Patent: May 22, 1984
Inventor: Thomas J. Schulstad (Edmonds, WA)
Primary Examiner: Bernard Ansher
Law Firm: Graybeal & Cullom
Application Number: 6/338,232
Classifications
Current U.S. Class: D24/16; D/6125