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Class Information
Number: 180/9.48
Name: Motor vehicles > Special driving device > Portable track > Endless, flexible > Laterally extendable track
Description: Motor vehicles wherein the flexible track is carried by a frame and (1) there are means to selectively hold the track frame at various distances from the vehicle frame, or (2) the track frame is adapted to accommodate tracks of varying widths.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7600646 |
Conversion kit for adjusting pipelayer frame width |
Oct. 13, 2009 |
| 7588106 |
Pontoon crawler track assembly |
Sep. 15, 2009 |
| 7398842 |
Articulating quad-drive wheelchair |
Jul. 15, 2008 |
| 7373999 |
Crawler-tracked vehicle with variable track width |
May. 20, 2008 |
| 7255195 |
Steering device for snowmobile |
Aug. 14, 2007 |
| 6889783 |
Remote controlled inspection vehicle utilizing magnetic adhesion to traverse nonhorizontal, nonflat, ferromagnetic surfaces |
May. 10, 2005 |
| 6851494 |
Crawler running gear |
Feb. 8, 2005 |
| 6814169 |
Interchangeable accessories for a remote controlled inspection vehicle |
Nov. 9, 2004 |
| 6796391 |
Hydraulic clamping device for a variable gauge track vehicle |
Sep. 28, 2004 |
| 6672413 |
Remote controlled inspection vehicle utilizing magnetic adhesion to traverse nonhorizontal, nonflat, ferromagnetic surfaces |
Jan. 6, 2004 |
| 6641356 |
Front lifting equipment for crawler tractor, and crawler tractor equipped therewith |
Nov. 4, 2003 |
| 6394204 |
Crawler or tracked vehicle having pivotable tracks |
May. 28, 2002 |
| 6374933 |
Track vehicle track width adjustment |
Apr. 23, 2002 |
| 6318484 |
Tracked suspension |
Nov. 20, 2001 |
| 6182777 |
Suspension system for a work machine |
Feb. 6, 2001 |
| 6176334 |
Adjustable track suspension |
Jan. 23, 2001 |
| 6145610 |
Apparatus for locking the movable parts of a variable gauge |
Nov. 14, 2000 |
| H1910 |
Rubber tired carrier |
Nov. 7, 2000 |
| 5901800 |
High clearance tractor |
May. 11, 1999 |
| 5671819 |
Axle tensioner for banded tires |
Sep. 30, 1997 |
| 5638908 |
Apparatus for adjusting between crawler tracks of a working vehicle |
Jun. 17, 1997 |
| 5598896 |
Variable gage undercarriage arrangement |
Feb. 4, 1997 |
| 5451135 |
Collapsible mobile vehicle |
Sep. 19, 1995 |
| 5368115 |
Undercarriage assembly for a vehicle |
Nov. 29, 1994 |
| 5293948 |
Undercarriage assembly for a vehicle |
Mar. 15, 1994 |
| 5293949 |
Chassis for endless track type vehicles |
Mar. 15, 1994 |
| 5072800 |
Support beam for a vehicle |
Dec. 17, 1991 |
| 5018591 |
Track laying work vehicle |
May. 28, 1991 |
| 4830562 |
Apparatus for loading and unloading railroad gondola cars |
May. 16, 1989 |
| 4625820 |
Crawler frame to base frame connection |
Dec. 2, 1986 |
| 4519465 |
Track type four sprocket wheel drive crawler tractor |
May. 28, 1985 |
| 4469186 |
Crawler to base frame connection |
Sep. 4, 1984 |
| 4457388 |
Chassis for a vehicle with variable undercarriage geometry |
Jul. 3, 1984 |
| 4431074 |
Crane carbody and lower axle construction |
Feb. 14, 1984 |
| 4386673 |
Axle joint |
Jun. 7, 1983 |
| 4358133 |
Adjustable width trailer |
Nov. 9, 1982 |
| 4341276 |
Frame structure for construction vehicles |
Jul. 27, 1982 |
| 4262764 |
Convertible chassis for track laying vehicles |
Apr. 21, 1981 |
| 4257652 |
Device for transporting materials across fragile structures |
Mar. 24, 1981 |
| 4132317 |
Pipe laying crane |
Jan. 2, 1979 |
| 4084653 |
Protective guard arrangement for track drive motors |
Apr. 18, 1978 |
| 4078616 |
Track-type vehicle frame |
Mar. 14, 1978 |
| 4029165 |
Convertible construction machine |
Jun. 14, 1977 |
| 4000784 |
Demountable self-propelled crane transport assembly |
Jan. 4, 1977 |
| 3998286 |
Mechanically, laterally adjustable treads for crawler vehicles |
Dec. 21, 1976 |
| 3990529 |
Ditcher |
Nov. 9, 1976 |
| 3930549 |
Protective guard assembly for track drive motors |
Jan. 6, 1976 |
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