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Class Information
Number: 175/364
Name: Boring or penetrating the earth > Bit or bit element > Rolling cutter bit or rolling cutter bit element > Cross axle > Removable cross axle or bushing
Description: Apparatus in which the axle is in the form of a pin, bearing or bushing which is removably fastened to the bit head by a means which is readily detached.










Patents under this class:

Patent Number Title Of Patent Date Issued
7997659 Rotary cutter for tunnel boring machine Aug. 16, 2011
6929077 Boring head, roller cutter and saddle for a boring head for rotary drilling Aug. 16, 2005
6708786 Mounting attachment and bearing system for an industrial earth-boring cutter Mar. 23, 2004
5577565 Compact roller cutter Nov. 26, 1996
5487435 Mounting system for raise and shaft cutters Jan. 30, 1996
5421422 Roller cutter mount for tunneling machine Jun. 6, 1995
RE34167 Drill bit and roller cutter for said drill bit Jan. 26, 1993
4832136 Drill bit and roller cutter for said drill bit May. 23, 1989
4760890 Cutter assembly for rotary boring of earth Aug. 2, 1988
4448271 Earth boring device May. 15, 1984
4202418 Roller cutter mounts May. 13, 1980
4193464 Replaceable shirttail Mar. 18, 1980
4129392 Rolling cutter arrangement Dec. 12, 1978
4126195 Replaceable wear pad for a rock bit cutter yoke Nov. 21, 1978
4046206 Locking apparatus for earth boring cutter or stabilizer Sep. 6, 1977
4036313 Mounting for inboard cutters on a raise drill Jul. 19, 1977
4036314 Hole opener with improved rotary cutter mounting Jul. 19, 1977
4007799 Raise drill with replaceable stem Feb. 15, 1977
4004644 Roller cutter Jan. 25, 1977











 
 
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