Cutter tooth or tooth head > Endless-chain type head > Nontracking tooth arrangement > Patents

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Class Information
Number: 299/84.1
Name: Mining or in situ disintegration of hard material > Cutter tooth or tooth head > Endless-chain type head > Nontracking tooth arrangement
Description: Endless-chain type head in which the elements carried by the flexible member are such that one element will describe a different path of travel than another element.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6154987	Cutting tooth for a trencher chain	Dec. 5, 2000
5580135	Drive chain for long-wall mining machine	Dec. 3, 1996
4626032	Rock ditcher	Dec. 2, 1986
4432584	Trenching machine for cutting preferably frozen ground	Feb. 21, 1984
4244625	Apparatus for cutting hard earth formations	Jan. 13, 1981
3979843	Trenching chain with scoop members	Sep. 14, 1976
3968995	Continuous mining machine with a chain drive for the cutting head	Jul. 13, 1976
3954301	Chain link conveyor apparatus for cutting hard earth formations	May. 4, 1976