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| Number | Title | Issue Date |
| 7150343 | Shoe brake assembly, in particular for rail vehicles A shoe brake assembly for a rail vehicle including a bogie connected with the rail vehicle. The assembly also includes a wheel having a wheel web and radially inward-facing surfaces on opposite sides of the wheel web. Also included are at least two brake pads adjace... | 12/19/2006 |
| 6443270 | Slack adjuster A rotary slack adjuster (11) for use in a brake system of a vehicle (10) for compensating for wear in brake friction lining. The adjuster (11) includes an input arm (26) for connection to an actuating piston (25) of a brake actuator, an output arm (31) fo... | 09/03/2002 |
| 6148966 | Adapter system for a railway vehicle braking system An adapter system for use in railway vehicle braking systems for increasing the height of a slack adjuster with respect to a force transfer lever in the braking system is provided. Increasing the height of the slack adjuster in the system results in bette... | 11/21/2000 |
| 6003643 | Axial vibration damping means in a brake actuator A brake actuator and slack adjuster subjected to axial vibration includes a slack adjusting mechanism circumferentially engaging a brake actuating mechanism. A circumferential elastomer bushing is disposed about the brake actuating mechanism for damping a... | 12/21/1999 |
| 5975254 | Sealing arrangement for a rail vehicle slack adjuster In a sealing arrangement between a tubular housing (2) and a rod (1) in a rail vehicle slack adjuster, a cup (3) is movable with the rod and extends along the rod over the free end of the housing. A sealing arrangement (6-9) is in sealing engagement with ... | 11/02/1999 |
| 5692586 | Brake having a pressure responsive slack adjuster A brake device equipped with an actuator having a power-transmission member generating a pushing force by receiving a drive force so as to advance. A pressure-detection device is provided for detecting the reaction pressure being applied to the power-tran... | 12/02/1997 |
| 5615755 | End piece seal for a rail vehicle slack adjuster An end piece or barrel head (1) for a rail vehicle axial slack adjuster is at its outer periphery connected to a barrel (2) of the adjuster and is arranged around a rotatably and axially movable tube (3). The end piece is provided with an internal, circum... | 04/01/1997 |
| 5507368 | Railway car truck mounted brake assembly with multiple piston air cylinder Braking apparatus for a vehicle having a plurality of wheels and brake shoes engageable with the wheels which apparatus includes a cylinder and piston assembly including at least two pistons movable in opposite directions by fluid under pressure supplied ... | 04/16/1996 |
| 5476269 | Seal for a rail vehicle slack adjuster An end piece or barrel head (1) for an axial slack adjuster is at its outer periphery connected to a barrel (2) of the adjuster and is arranged around a rotatably and axially movable tube (3). The end piece is provided with an internal, circumferential gr... | 12/19/1995 |
| 5465816 | Slack adjusting brake cylinder for a brake unit on a railway transit vehicle A slack adjusting brake cylinder for use in a fluid brake unit of a railway transit vehicle having a brake piston slidably mounted on a support rod within a brake cylinder receiving cavity of the brake unit. A plurality of friction/load rings are slidably... | 11/14/1995 |
| 5279395 | Railway car brake system An improved brake linkage system for a railway car, especially a hopper car, having an air cylinder actuated to move a cylinder lever. The cylinder lever is directly connected to a floating operating lever by a slack adjuster which can be made substantial... | 01/18/1994 |
| 5259485 | Truck car braking system A slack adjuster adapted for use in railroad truck car braking mechanisms. The slack adjuster compensates for wear of the truck car brake shoes by automatically adjusting the length of travel of the brake cylinder piston rod as the shoes wear. The slack a... | 11/09/1993 |
| 5253736 | Railway brake actuator A railway brake actuator which provides both service and parking braking comprises a cylinder having an operating cavity. A piston assembly in the operating cavity has a stepped bore forming second and third cavities and is extended by hydraulic pressure ... | 10/19/1993 |
| 5176227 | Railway service and parking brake actuator A brake actuator for a railway brake which provides both service and parking braking comprises a cylinder having an operating cavity. A piston assembly extends into the operating cavity and has a stepped bore including second and smaller third cavities. A... | 01/05/1993 |
| 5025900 | Sealing arrangement, particularly for a rail vehicle slack adjuster A sealing arrangement, particularly for a rail vehicle slack adjuster, between a generally tubular housing (7) and a rod (1), which is axially and rotatably movable relative thereto, has a cup (10) engaging the rod with a sealing ring (11) so as to be mov... | 06/25/1991 |
| 4993521 | Tread brake unit A tread brake unit including a spring actuated compensating mechanism for maintaining the brake unit piston stroke constant. A roller associated with the compensating mechanism is adapted to ride along an operating surface of a lever arm that rotates acco... | 02/19/1991 |
| 4905795 | Handbrake operating linkage for multi-unit rail cars An improved single manual brake operating system for connecting the brake equipment of a plurality of wheeled railroad freight car trucks. The system provides for initial rapid takeup of slack in the linkages interconnecting the braking mechanisms for sev... | 03/06/1990 |
| 4895228 | Slack adjuster A slack adjuster has a non-rotatable fast-threaded output member (19) threadedly engaged by a pair of nuts (20, 21), one of the nuts being a first brake-force-transmitting nut (20) clutchable to prevent rotation thereof and the other being a second adjust... | 01/23/1990 |
| 4805743 | Handbrake operating linkage for multi-unit rail cars An improved single manual brake operating system for connecting the brake equipment of a plurality of wheeled railroad freight car trucks. The system provides for initial rapid takeup of slack in the linkages interconnecting the braking mechanisms for sev... | 02/21/1989 |
| 4802559 | Hydropneumatic brake actuator arranged to maintain a constant brake shoe clearance A hydraulic power unit for a hydropneumatic brake actuator having a power piston comprising a force piston formed with a bore therein and a take-up piston operative in the force piston bore for movement relative thereto during a brake application. This re... | 02/07/1989 |
| 4619348 | Combined hydropneumatic brake cylinder/air reservoir device with automatic double-acting slack adjuster arrangement A combined hydropneumatic brake cylinder/air reservoir device having a hydraulic piston formed on the end of a push rod through which interconnected, different sized, pneumatic pistons operate to transmit the desired brake force. The hydraulic piston oper... | 10/28/1986 |
| 4596311 | Brake system A railroad car brake system operable by an air bag which includes double acting brakes operable on the wheels. Links suspend the brakes and the live and dead levers connected by an adjustable connecting link mechanism are operable by the air bag. Slack as... | 06/24/1986 |
| 4567966 | Actuator assemblies for vehicle brakes An actuator assembly incorporates a strut assembly of which the effective length is adjustable to compensate for wear of a friction lining and through which a brake-applying force is transmitted to a braking member, and an adjuster mechanism arranged in p... | 02/04/1986 |
| 4527666 | Rail vehicle disc brake arrangement A rail vehicle disc brake arrangement is provided with a brake cylinder (8-10), a slack adjuster (14), and pad holders (3, 4) with brake pads (5, 6) on either side of a disc (7) to be braked. In order to attain a compact and cheap but forceful and reliabl... | 07/09/1985 |
| 4508197 | Handbrake system for railway car This disclosure relates to a handbrake system for a railway car, such as an articulated car, having at least first, second and third trucks, each truck having a handbrake mechanism. The system comprises a handbrake and a force distributor including an inp... | 04/02/1985 |
| 4494631 | Combination air cylinder and hydraulic slack adjuster A combination air brake cylinder and hydraulic slack adjuster for a railroad car brake system includes an air operated piston positioned within a housing. There is an air port in the housing in communication with the air piston and there is a return sprin... | 01/22/1985 |
| 4367903 | System for automatically delaying application of a snow brake for a railway vehicle A snow brake control system in which application of the snow brake pressure during release of a normal brake application is withheld for a duration sufficient to assure movement of the vehicle brake apparatus from a brake application position to a release... | 01/11/1983 |
| 4364610 | Railway vehicle braking systems A railway vehicle braking system is provided with snow-brake control means operable in freezing temperatures for overriding the normal full brake release condition in a vehicle coasting or traction situation to apply a small brake force for prolonged peri... | 12/21/1982 |
| 4334711 | System for automatically delaying application of a snow brake for a railway vehicle A "snow brake" control system for a railway vehicle in which an electronic timing circuit is operative in response to the operator's brake valve device being moved to its brake release position to provide an output signal that acts through a relay switch ... | 06/15/1982 |
| 4312428 | Truck mounted brake apparatus Truck mounted brake apparatus comprising a saddle which clamps onto the bolster of a railway car truck and which carries a fluid actuable, piston and cylinder assembly at one side of the bolster. A first lever connected at one end to the piston rod and at... | 01/26/1982 |
| 4276968 | Rail car brake system A rail car brake system of high mechanical efficiency which is compact, light in weight and economical in that it utilizes mass produced highway truck brake cylinders and slack adjusters and is easy to maintain. Critical components are lubricated and full... | 07/07/1981 |
| 4258830 | Railway brake system utilizing slack adjuster in compression The brake cylinder piston at its outer end is connected to a horizontal brake lever extending transversely of the car, which is connected generally at its mid-point to a first brake beam. The opposite end of the horizontal lever is connected to a first en... | 03/31/1981 |
| 4147238 | Rail traction vehicle brake system A weight transfer rail traction vehicle adapted for travel on alternate sets of rail or road wheels which is characterized by a number of features including: a spring and shock absorber system which cooperate to maintain the springs, while in a rail trave... | 04/03/1979 |
| 4136760 | Clasp brake rigging for a railway vehicle A clasp brake rigging is provided with an axially acting brake regulator coupled between a pivotable control lever and a rigging pull rod opposite the dead brake lever. The control lever at an intermediate position is coupled by an adjustable length link ... | 01/30/1979 |
| 4068746 | Brake cylinder device including means for automatically compensating for brake pad wear A fluid pressure operable brake cylinder device including a self-adjusting portion for automatically compensating for brake pad wear and maintaining a constant clearance between the brake pad and the braking surface of a vehicle wheel in the released disp... | 01/17/1978 |
