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Class Information
Number: 408/213
Name: Cutting by use of rotating axially moving tool > Tool or tool with support > Having axially extending peripheral cutting spur
Description: Device having a first and a second cutting edge, wherein the first cutting edge extends at least somewhat radially of the tool-axis and wherein the second cutting edge extends axially at the radially outermost extent of the leading portion of the tool, which second cutting edge projects axially beyond the other cutting edge of the tool.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7540696 |
Spot drilling insert |
Jun. 2, 2009 |
| 7416371 |
Wood boring bit with increased speed, efficiency and ease of use |
Aug. 26, 2008 |
| 7140814 |
Spade-type drill bit having helical configuration |
Nov. 28, 2006 |
| 6957937 |
Spade bits with angled sides |
Oct. 25, 2005 |
| 6644899 |
Drill bit and process of producing a drill bit with improved cutting edges |
Nov. 11, 2003 |
| 6499919 |
Cylindrical bit with hard metal cutting edges |
Dec. 31, 2002 |
| 6394714 |
Drill bit |
May. 28, 2002 |
| 6361255 |
Drill bit with inscriber |
Mar. 26, 2002 |
| 6354774 |
Forstner drill bit |
Mar. 12, 2002 |
| 6354773 |
Wood boring drill bit |
Mar. 12, 2002 |
| 6152661 |
Wood coring bit |
Nov. 28, 2000 |
| 5975814 |
Cylindrical head boring tool |
Nov. 2, 1999 |
| 5782589 |
Milling cutter |
Jul. 21, 1998 |
| 5433561 |
Wood bit and method of making |
Jul. 18, 1995 |
| 5312207 |
Cylindrical bit |
May. 17, 1994 |
| 5286143 |
Wood bit and method of making |
Feb. 15, 1994 |
| 5228812 |
Throw-away tipped drill |
Jul. 20, 1993 |
| 5221166 |
Spade-type drill bit apparatus and method |
Jun. 22, 1993 |
| 5092719 |
Auger bit |
Mar. 3, 1992 |
| 5061127 |
Drill bit with concave spurs and having triangular center point with vee grooves |
Oct. 29, 1991 |
| 4909678 |
Boring apparatus for a laminated plate and boring cutter |
Mar. 20, 1990 |
| 4725171 |
Drill for aramid composites |
Feb. 16, 1988 |
| 4480951 |
Self-drilling screw |
Nov. 6, 1984 |
| 4285620 |
Symmetrical spur point drill |
Aug. 25, 1981 |
| 4244667 |
Boring tool |
Jan. 13, 1981 |
| 4239427 |
Boring tool |
Dec. 16, 1980 |
| 4134706 |
Axially supported boring tool |
Jan. 16, 1979 |
| 4090807 |
Axially supported boring tool and method for making same |
May. 23, 1978 |
| 4050841 |
Power boring bits |
Sep. 27, 1977 |
| 4012970 |
Method of forming a wood boring tool |
Mar. 22, 1977 |
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