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Class Information
Number: 299/107
Name: Mining or in situ disintegration of hard material > Cutter tooth or tooth head > Rolling or rotatable type bit mount > Having a spring biased retainer
Description: Rolling or rotatable type bit mount in which the connection includes a resilient member.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7600544 |
Retainer for a rotatable tool |
Oct. 13, 2009 |
| 7419224 |
Sleeve in a degradation assembly |
Sep. 2, 2008 |
| 7413256 |
Washer for a degradation assembly |
Aug. 19, 2008 |
| 7410221 |
Retainer sleeve in a degradation assembly |
Aug. 12, 2008 |
| 7380889 |
Tool retainer |
Jun. 3, 2008 |
| 7367412 |
Collapsible rock head |
May. 6, 2008 |
| 7343947 |
Retainer for a rotatable tool |
Mar. 18, 2008 |
| 7338135 |
Holder for a degradation assembly |
Mar. 4, 2008 |
| 7270379 |
Tool holder block and sleeve retained therein by interference fit |
Sep. 18, 2007 |
| 7229136 |
Non-rotatable wear ring and retainer sleeve for a rotatable tool |
Jun. 12, 2007 |
| 7210745 |
Retainer for cutting bit |
May. 1, 2007 |
| 7195321 |
Wear ring for a rotatable tool |
Mar. 27, 2007 |
| 7150505 |
Retainer sleeve and wear ring for a rotatable tool |
Dec. 19, 2006 |
| 7118181 |
Cutting tool wear sleeves and retention apparatuses |
Oct. 10, 2006 |
| 6994404 |
Rotatable tool assembly |
Feb. 7, 2006 |
| 6986552 |
Hardened rotary cutting tip |
Jan. 17, 2006 |
| 6966611 |
Rotatable tool assembly |
Nov. 22, 2005 |
| 6863352 |
Rotatable tool assembly |
Mar. 8, 2005 |
| 6851758 |
Rotatable bit having a resilient retainer sleeve with clearance |
Feb. 8, 2005 |
| 6786557 |
Protective wear sleeve having tapered lock and retainer |
Sep. 7, 2004 |
| 6742735 |
Tool body and method of manufacture |
Jun. 1, 2004 |
| 6702393 |
Rotatable cutting bit and retainer sleeve therefor |
Mar. 9, 2004 |
| 6623084 |
Mounting of a rotatable chisel in mining machinery |
Sep. 23, 2003 |
| 6619757 |
Tool for a street milling, coal-cutting or mining machine |
Sep. 16, 2003 |
| 6585327 |
Tool mounting assembly with tungsten carbide insert |
Jul. 1, 2003 |
| 6585326 |
Bit holders and bit blocks for road milling, mining and trenching equipment |
Jul. 1, 2003 |
| 6546977 |
Stump grinding apparatus |
Apr. 15, 2003 |
| 6428110 |
Cutting tool retainer |
Aug. 6, 2002 |
| 6183170 |
Cylindrical cutting device |
Feb. 6, 2001 |
| 6113195 |
Rotatable cutting bit and bit washer therefor |
Sep. 5, 2000 |
| 6070945 |
Cutting tool retainer |
Jun. 6, 2000 |
| 6018856 |
Device for removing and inserting the retaining clip of a coal mining drill bit |
Feb. 1, 2000 |
| 5931542 |
Device and method for preventing wear on road milling and trenching equipment |
Aug. 3, 1999 |
| 5730502 |
Cutting tool sleeve rotation limitation system |
Mar. 24, 1998 |
| 5720528 |
Rotatable cutting tool-holder assembly |
Feb. 24, 1998 |
| 5690393 |
Cutting tool retention system |
Nov. 25, 1997 |
| 5655613 |
Drill bit |
Aug. 12, 1997 |
| 5628549 |
Cutting tool sleeve rotation limitation system |
May. 13, 1997 |
| 5605382 |
Cutting tool retention system |
Feb. 25, 1997 |
| 5529384 |
Bit holder block and cutter bit therefor |
Jun. 25, 1996 |
| 5503463 |
Retainer scheme for cutting tool |
Apr. 2, 1996 |
| 5370448 |
Wedging arrangement for attaching a bit holder to the base member of a mining road working, or earth moving machine |
Dec. 6, 1994 |
| 5335977 |
Double acting bit holder |
Aug. 9, 1994 |
| 5261499 |
Two-piece rotatable cutting bit |
Nov. 16, 1993 |
| 5125720 |
Mounting arrangement for cutter socket |
Jun. 30, 1992 |
| 5067775 |
Retainer for rotatable bits |
Nov. 26, 1991 |
| 5029944 |
Device for releasable mounting tools in mining machines |
Jul. 9, 1991 |
| 5018793 |
Rotationally and axially movable bit |
May. 28, 1991 |
| 4952001 |
Mining bit preload retainer |
Aug. 28, 1990 |
| 4921310 |
Tool for breaking, cutting or working of solid materials |
May. 1, 1990 |
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