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Class Information
Number: 267/3
Name: Spring devices > Vehicle > Railway
Description: Spring devices especially adapted for railway rolling-stock and not classified in other subclasses of this class.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 267/4 |
Coil |
17 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7338034 |
Elastomeric spring |
Mar. 4, 2008 |
| 6688236 |
Friction wedge design optimized for high warp friction moment and low damping force |
Feb. 10, 2004 |
| 6581527 |
Adjustable side bearing for a railcar |
Jun. 24, 2003 |
| 6560002 |
Optical switch |
May. 6, 2003 |
| 6341422 |
Method of manufacturing a railroad car apparatus |
Jan. 29, 2002 |
| 6269752 |
Friction wedge design optimized for high warp friction moment and low damping force |
Aug. 7, 2001 |
| 5810337 |
Suspension isolating device |
Sep. 22, 1998 |
| 5601031 |
Constant contact side bearing |
Feb. 11, 1997 |
| 5560589 |
Active vibration damping arrangement for transportation vehicles |
Oct. 1, 1996 |
| 5039071 |
Running gear of a railway vehicle |
Aug. 13, 1991 |
| 4998997 |
Side bearing unit for railroad car |
Mar. 12, 1991 |
| 4936226 |
Railway truck snubber |
Jun. 26, 1990 |
| 4841875 |
Suspension arrangement for rail vehicles |
Jun. 27, 1989 |
| 4773334 |
Composite fiber truck for a track vehicle having torsion-elastic central plate member |
Sep. 27, 1988 |
| 4742779 |
Bogie with swiveling axles |
May. 10, 1988 |
| 4715290 |
Hunting control side bearing |
Dec. 29, 1987 |
| 4715289 |
Apparatus for controlling vibration of vehicle |
Dec. 29, 1987 |
| 4712487 |
Side bearing unit for railroad car, including method of making |
Dec. 15, 1987 |
| 4697526 |
Articulation system for articulated depressed-floor tramway carriages |
Oct. 6, 1987 |
| 4690069 |
Suspension for axle control with empty car spring |
Sep. 1, 1987 |
| 4589347 |
Elastomeric mountings |
May. 20, 1986 |
| 4574707 |
Convertible highway railroad vehicle |
Mar. 11, 1986 |
| 4567833 |
Composite constant contact side bearing for railroad cars |
Feb. 4, 1986 |
| 4506868 |
Shock absorber for vehicular couplers |
Mar. 26, 1985 |
| 4505457 |
Railway truck spring height adjustment device |
Mar. 19, 1985 |
| 4502391 |
Railway track working machine equipped with a device for blocking the suspension of its axles |
Mar. 5, 1985 |
| 4487133 |
Primary suspension system for providing low vertical and longitudinal spring rates in a railway cap |
Dec. 11, 1984 |
| 4469028 |
Primary suspension system for a railway car with vertical and longitudinal compliance |
Sep. 4, 1984 |
| 4458605 |
Railway truck spring height adjustment device |
Jul. 10, 1984 |
| 4454932 |
Suspension means for a rail vehicle disc brake unit |
Jun. 19, 1984 |
| 4448131 |
Suspension system for rail vehicles |
May. 15, 1984 |
| 4444122 |
Primary suspension system for a railway car |
Apr. 24, 1984 |
| 4438703 |
Primary suspension system for a railway car |
Mar. 27, 1984 |
| 4434720 |
Multi-rate side bearing for a railway truck |
Mar. 6, 1984 |
| 4433629 |
Railway truck bearing mounting assembly |
Feb. 28, 1984 |
| 4416203 |
Railway vehicle laminated mount suspension |
Nov. 22, 1983 |
| 4408541 |
Bogie truck car body support system |
Oct. 11, 1983 |
| 4385857 |
Intermodal transport system |
May. 31, 1983 |
| 4368672 |
Secondary suspension system for a railway car |
Jan. 18, 1983 |
| 4355583 |
Side bearing for a railway car |
Oct. 26, 1982 |
| 4278029 |
Resilient railway car truck suspension |
Jul. 14, 1981 |
| 4245563 |
Hydraulically damped railway car body roll |
Jan. 20, 1981 |
| 4196671 |
Railway car low friction side bearings |
Apr. 8, 1980 |
| 4195576 |
Monorail car stabilizing system |
Apr. 1, 1980 |
| 4192238 |
Railway car drive system |
Mar. 11, 1980 |
| 4192239 |
Series pneumatic and coil spring railway car suspension |
Mar. 11, 1980 |
| 4185719 |
Truck damping |
Jan. 29, 1980 |
| 4167143 |
Pneumatic bogie pitch stabilizer |
Sep. 11, 1979 |
| 4166611 |
Railway vehicle spring assembly |
Sep. 4, 1979 |
| 4166420 |
Railway bogie emergency run guide assembly |
Sep. 4, 1979 |
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