Cutting element of a rotary cutting apparatus

- Lebever Co., Inc.
Description

FIG. 1 is a perspective view of a first embodiment of a cutting element showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof opposite that shown in FIG. 4;

FIG. 6 is an elevational view of one end thereof;

FIG. 7 is an elevational view of an end opposite that shown in FIG. 6;

FIG. 8 is a perspective view of a second embodiment of a cutting element of a rotary cutting apparatus showing my new design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a side elevational view thereof;

FIG. 12 is a side elevational view thereof opposite that shown in FIG. 11;

FIG. 13 is an elevational view of one end thereof;

FIG. 14 is an elevational view of an end opposite that shown in FIG. 13;

FIG. 15 is a perspective view of a third embodiment of a cutting element of a rotary cutting apparatus showing my new design;

FIG. 16 is a top plan view thereof;

FIG. 17 is a bottom plan view thereof;

FIG. 18 is a side elevational view thereof;

FIG. 19 is a side elevational view thereof opposite that shown in FIG. 18;

FIG. 20 is an elevational view of one end thereof;

FIG. 21 is an elevational view of an end opposite that showng in FIG. 20;

FIG. 22 is a perspective view of a fourth embodiment of a cutting element of a rotary cutting apparatus showin my new design;

FIG. 23 is a top plan view thereof;

FIG. 24 is a bottom plan view thereof;

FIG. 25 is a side elevational view thereof;

FIG. 26 is a side elevational view thereof opposite that shown in FIG. 25;

FIG. 27 is an elevational view of one end thereof;

FIG. 28 is an elevational view of an end opposite that shown in FIG. 27;

FIG. 29 is a perspective view of a fifth embodiment of a cutting element of a rotary cutting apparatus showing my new design;

FIG. 30 is a top plan view thereof;

FIG. 31 is a bottom plan view thereof;

FIG. 32 is a side elevational view thereof;

FIG. 33 is a side elevational view thereof opposite that shown in FIG. 32;

FIG. 34 is an elevational view of one end thereof; and,

FIG. 35 is an elevational view of an end opposite that shown in FIG. 34.

Referenced Cited
U.S. Patent Documents
D274183 June 5, 1984 Prokop et al.
D280903 October 8, 1985 Barbula
3662529 May 1972 Glunk et al.
4148141 April 10, 1979 Hoff
4631828 December 30, 1986 Burnett
4856194 August 15, 1989 Lee
5430943 July 11, 1995 Lee
5592992 January 14, 1997 Thompson
5617636 April 8, 1997 Taggett et al.
Patent History
Patent number: D390240
Type: Grant
Filed: Jan 29, 1997
Date of Patent: Feb 3, 1998
Assignee: Lebever Co., Inc. (Oklahoma City, OK)
Inventor: Jack G. Walden (Wheatland, OK)
Primary Examiner: Antoine Duval Davis
Law Firm: Dunlap & Codding, P.C.
Application Number: 0/65,251
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: 1509;