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Class Information
Number: 175/211
Name: Boring or penetrating the earth > With above-ground means for handling drilling fluid or cutting > Fluid or cuttings directing or receiving means engaging bore entrance > Axially supported by tool shaft
Description: Apparatus in which the collecting or diverting means is mounted on a tool shaft and means are provided to restrain the same against axial movement in one direction along said tool shaft.










Patents under this class:

Patent Number Title Of Patent Date Issued
8240400 Noise-dampening shield structure for rock drilling apparatus Aug. 14, 2012
7775300 Earth drilling device Aug. 17, 2010
7726417 Water collecting device for core drilling device Jun. 1, 2010
7575069 Mobile soil sampling device with vacuum collector Aug. 18, 2009
7523793 Drilling head with protective screen Apr. 28, 2009
7080702 Rotating deck bushing with dust guard system Jul. 25, 2006
7073612 Surge device for air drilling Jul. 11, 2006
6814527 Debris collection system for use with hole cutting devices Nov. 9, 2004
6666286 Fluid circulating apparatus for drill Dec. 23, 2003
6505692 Drill for forming undercuts in bores Jan. 14, 2003
6196337 Water pressure post-hole digger Mar. 6, 2001
5765654 Device for collecting drilled material and dust Jun. 16, 1998
5269386 Self positioning dust seal holder Dec. 14, 1993
5129470 Drill hole filling method and apparatus Jul. 14, 1992
4974689 Drill hole filling method and apparatus Dec. 4, 1990
4811799 Banjo box and blooie line spool Mar. 14, 1989
4750571 Screen placement method and apparatus Jun. 14, 1988
4736808 Percussive tool with high pressure fluid jet Apr. 12, 1988
4673034 Cased water wells having flexible pad Jun. 16, 1987
4650013 Chip sampler Mar. 17, 1987
4586573 Rotary expansion tool for reaming frustoconical undercuts in the walls of cylindrical holes May. 6, 1986
4502554 Expansible tool for reaming frustoconical undercuts in cylindrical holes Mar. 5, 1985
4420277 Mine roof driller-bolter apparatus and method Dec. 13, 1983
4377213 Dual bushing centralizer Mar. 22, 1983
4372401 Drill tool Feb. 8, 1983
4247122 Dust sealing mechanism Jan. 27, 1981
4214317 Protective apparel Jul. 29, 1980
4205728 Suction attachment for a drilling tool Jun. 3, 1980
4182424 Drill steel centralizer Jan. 8, 1980
4113037 Rock drill Sep. 12, 1978
4013133 Apparatus with a motor-driven material removing tool, especially for cutting concrete, stone or the like Mar. 22, 1977
3936213 Device for use with drills or the like for the collection of working debris Feb. 3, 1976
3934661 Dust cup Jan. 27, 1976











 
 
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