Rotational cutting tool housing and drill bit chuck

Description

FIG. 1 is a perspective view showing my new design with a drill bit shown in phantom line;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof, with the left side elevational view being a mirror image thereof, with the drill bit shown in phantom line;

FIG. 4 is a front elevational view thereof, with the drill bit shown in phantom line;

FIG. 5 is a rear elevational view thereof, with the drill bit shown in phantom line; and

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a second embodiment showing a perspective view of a new design, with the drill bit shown in phantom line;

FIG. 8 is a top plan view thereof;

FIG. 9 is a right side elevational view thereof, with the left side elevational view being a mirror image thereof, with the drill bit shown in phantom line;

FIG. 10 is a front elevational view thereof, with the drill bit shown in phantom line;

FIG. 11 is a rear elevational view thereof, with the drill bit shown in phantom line; and,

FIG. 12 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D310673 September 18, 1990 Glaser
D326102 May 12, 1992 Mizoguchi
374743 December 1887 Jones
1075325 October 1913 Brothers
1188383 June 1916 Armstrong
Patent History
Patent number: D377495
Type: Grant
Filed: Oct 23, 1995
Date of Patent: Jan 21, 1997
Inventor: Donald M. Cislo (W. Chicago, IL)
Primary Examiner: Antoine Duval Davis
Law Firm: Cislo & Thomas
Application Number: 0/45,526
Classifications
Current U.S. Class: Tool Or Work Holder (D15/140)