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Class Information
Number: 305/185
Name: Wheel substitutes for land vehicles > Tracks or treads
Description: Apparatus comprising an annular band made either of a single piece of flexible material or of a plurality of individual sections movably connected together.










Sub-classes under this class:

Class Number Class Name Patents
305/45 Adjustable connection between treads 4
305/40 Cable connected treads 21
305/186 Having master link 26
305/53 One piece track tread 21
305/41 Resilient connection between treads 12
305/202 Separate transverse connector pin between treads 73
305/44 Steerable 16
305/50 Track treads interconnected without separate fastening means 5
305/187 With detachable grouser for endless chain track 35
305/193 With guide means for interfitting with sprocket wheel or roller 54
305/46 With resiliently biased ground engaging portion 31
305/52 With roller means 14
305/47 With sag prevention means 11
305/51 With street plate 37


Patents under this class:

Patent Number Title Of Patent Date Issued
7992278 Method of operating a production line Aug. 9, 2011
7874387 Track extension for vehicle track systems and method Jan. 25, 2011
7854483 Track for crawler vehicles Dec. 21, 2010
7267189 Crawler track Sep. 11, 2007
7040080 Track link production method and track link produced by the same May. 9, 2006
7036894 Tandem drive for tracked vehicles May. 2, 2006
6866351 Rotary bushing type crawler track Mar. 15, 2005
6817682 Skid steer track Nov. 16, 2004
6742853 Structure for standardizing parts of an endless track Jun. 1, 2004
6637840 Track support element for tire engaging track Oct. 28, 2003
6598947 Wheelchair wheel cover Jul. 29, 2003
6478387 Heavy duty dual tire assembly Nov. 12, 2002
6322173 Link for a track chain assembly of a track type work machine Nov. 27, 2001
6113343 Explosives disposal robot Sep. 5, 2000
5988776 Soft bottom flexible track belt assembly Nov. 23, 1999
5894900 Motor vehicle with rear crawler belts Apr. 20, 1999
5894901 Endless track magnetic traveling device Apr. 20, 1999
5678903 Short track wheel Oct. 21, 1997
5492436 Apparatus and method for moving rig structures Feb. 20, 1996
5482364 Replacement endless vehicle tracks Jan. 9, 1996
5409306 Track assembly Apr. 25, 1995
5388900 Crawler pad Feb. 14, 1995
5183318 Endless track chain for track-type vehicles Feb. 2, 1993
5165766 Tram chain connection link Nov. 24, 1992
D323312 Traction band for vehicle tire Jan. 21, 1992
4957332 Track wheel Sep. 18, 1990
4865400 Demolition and compaction track shoe and assembly for crawler vehicle Sep. 12, 1989
4842086 Electromagnetic levitation device for wheeled-vehicles Jun. 27, 1989
4810043 Tire-located track Mar. 7, 1989
4789037 Self-propelled vehicle Dec. 6, 1988
4640377 Motor vehicle Feb. 3, 1987
4557374 Modular conveyor belting with cam-slotted links for maintaining transverse distribution of tension while negotiating horizontal curves and for facilitating cleaning Dec. 10, 1985
4383718 Low ground pressure track shoe May. 17, 1983
4378133 Loop track mobility system Mar. 29, 1983
4262973 Junction link for endless chain tracks for tracked vehicles Apr. 21, 1981
4232753 Endless track vehicle Nov. 11, 1980
T978007 Track link- T-shaped Jan. 2, 1979
4129990 Advancing support Dec. 19, 1978











 
 
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