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Class Information
Number: 105/286
Name: Railway rolling stock > Special car bodies > Dumping > Door actuators
Description: Devices for operating dumping car doors.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7389732 |
Mechanism for selectively operating hopper doors of a railroad car |
Jun. 24, 2008 |
| 7367272 |
Door position indicating mechanism for a railcar |
May. 6, 2008 |
| 7331295 |
Railcar door operating mechanism with piston lock |
Feb. 19, 2008 |
| 7328661 |
Control device for a railroad car |
Feb. 12, 2008 |
| 7228804 |
Door system for transit vehicle utilizing compression lock arrangement |
Jun. 12, 2007 |
| 7093544 |
Control device for a railroad car |
Aug. 22, 2006 |
| 7055440 |
Remotely operated manhole cover for a tanker |
Jun. 6, 2006 |
| 7051661 |
Railcar with discharge control system |
May. 30, 2006 |
| 6955126 |
Railroad hopper car longitudinal door actuating mechanism |
Oct. 18, 2005 |
| 6405658 |
Manual discharge door operating system for a hopper railcar |
Jun. 18, 2002 |
| 6286436 |
Mobile cement laying machine |
Sep. 11, 2001 |
| 6263803 |
Gate assembly for a railroad hopper car |
Jul. 24, 2001 |
| 6227124 |
Locking mechanism for a hinged railroad hopper car door |
May. 8, 2001 |
| 6192804 |
Hydraulically actuated railway car dumping system |
Feb. 27, 2001 |
| 6073562 |
Railway car outlet gate assembly with compact inertial latch |
Jun. 13, 2000 |
| 6067912 |
Automated discharge system for hopper car |
May. 30, 2000 |
| 6012397 |
Railway car outlet gate assembly with inertial latch |
Jan. 11, 2000 |
| 5606916 |
Hopper door operating mechanism |
Mar. 4, 1997 |
| 5488911 |
Compactable self-ejecting refuse car |
Feb. 6, 1996 |
| 5419262 |
Railroad hopper car door closer |
May. 30, 1995 |
| 5409149 |
Mixer housing gate assembly |
Apr. 25, 1995 |
| 5402731 |
Actuator assembly |
Apr. 4, 1995 |
| 5299508 |
Railroad car door closure having trackside mounted plural actuating arms |
Apr. 5, 1994 |
| 5284097 |
Ballast distribution, regulation and reclaiming railroad maintenance device |
Feb. 8, 1994 |
| 5261333 |
Automated ballast door mechanism |
Nov. 16, 1993 |
| 5249531 |
Railraod hopper car door actuating mechanism |
Oct. 5, 1993 |
| 5163372 |
Unit for actuating gates of a hopper railroad car |
Nov. 17, 1992 |
| 5144895 |
Hopper door apparatus for a railway car |
Sep. 8, 1992 |
| 5115748 |
Hopper door and operating apparatus for a railway car |
May. 26, 1992 |
| 5086709 |
Sliding gate structure with dual linkage per single actuator arrangement |
Feb. 11, 1992 |
| 5038966 |
Hopper door closure |
Aug. 13, 1991 |
| 4664038 |
Door latch control apparatus for hopper vehicle |
May. 12, 1987 |
| 4522545 |
Hopper car gate opener and method of operating a hopper car gate |
Jun. 11, 1985 |
| 4236458 |
Door locking and actuating mechanism for hopper car |
Dec. 2, 1980 |
| 4235169 |
Door locking mechanism for side dump railway hopper cars |
Nov. 25, 1980 |
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