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Class Information
Number: 299/82.1
Name: Mining or in situ disintegration of hard material > Cutter tooth or tooth head > Endless-chain type head
Description: Cutter tooth or tooth head in which the element is moved by an articulated or flexible member such as a series of links or a cable.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7578080 |
Cutting tooth for a ground working implement |
Aug. 25, 2009 |
| 6854201 |
Cutting tooth for trencher chain |
Feb. 15, 2005 |
| 6684538 |
Cutting tooth for a trencher chain |
Feb. 3, 2004 |
| 6481803 |
Universal bit holder block connection surface |
Nov. 19, 2002 |
| 6270164 |
Cutting tooth for earthworking |
Aug. 7, 2001 |
| 6014826 |
Chain for trencher apparatus |
Jan. 18, 2000 |
| 6012241 |
Chain trencher having head shaft wear plates |
Jan. 11, 2000 |
| 5212895 |
Retractable excavator cutting tooth apparatus |
May. 25, 1993 |
| 5111601 |
Excavation device with rotary cutter having a horizontal axis |
May. 12, 1992 |
| 5104260 |
Method and apparatus for tunnelling |
Apr. 14, 1992 |
| 5031964 |
Cutting chain for mining machines |
Jul. 16, 1991 |
| 4941315 |
Wear resistant chain for trenchers |
Jul. 17, 1990 |
| 4893464 |
Offset attachment sidebar chain |
Jan. 16, 1990 |
| 4775189 |
Bushing plate cutter |
Oct. 4, 1988 |
| 4717206 |
Endless chains comprised of interdigitated link elements having a Y-shaped configuration |
Jan. 5, 1988 |
| 4674803 |
Endless chains comprised of interdigitated link elements having an H-shaped configuration |
Jun. 23, 1987 |
| 4668016 |
Mining machine with adjustable jib |
May. 26, 1987 |
| 4492030 |
Chain saw bars |
Jan. 8, 1985 |
| 4445878 |
Chain stripper devices and assemblies for mining machines |
May. 1, 1984 |
| 4429477 |
Portable ditcher and excavating elements therefor |
Feb. 7, 1984 |
| 4404761 |
Digging tooth mounting bracket |
Sep. 20, 1983 |
| 4258957 |
Cutting machine nose shoe |
Mar. 31, 1981 |
| 4223462 |
Digging chain support for excavation |
Sep. 23, 1980 |
| 4217001 |
Universal digging boom |
Aug. 12, 1980 |
| 4181035 |
Connecting link for mining chain |
Jan. 1, 1980 |
| 4167293 |
Sprocket tightener |
Sep. 11, 1979 |
| 4081009 |
Method and apparatus for severing fibrous articles such as trees |
Mar. 28, 1978 |
| 4080002 |
Locking device for mining machine trim chain take-up |
Mar. 21, 1978 |
| 4079796 |
Cutting machine and augering tool |
Mar. 21, 1978 |
| 4080001 |
Take-up for mining machine trim chain |
Mar. 21, 1978 |
| 4068896 |
Mineral cutter chains |
Jan. 17, 1978 |
| 3982688 |
Earth-moving apparatus |
Sep. 28, 1976 |
| 3979843 |
Trenching chain with scoop members |
Sep. 14, 1976 |
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