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Class 188/202 - Screw


Subclass of Class 188 - Brakes
Definition: The wear or stretch is taken up by means of a nut and screw.
No. of patents: 40
Last issue date: 03/09/2004


NumberTitleIssue Date
6702072Brake cylinder unit
To provide a brake cylinder unit wherein both the normal brake and the spring brake that is used as a parking brake, etc., can act, and in addition wherein it is possible to shorten the axial direction length. In a brake cylinder unit (1) wherein both the...
03/09/2004
6435319Disc brake actuator
An actuator (13) device for a disc brake (4) is provided comprising a rotary actuator (13) operable, via a force transmission device (17, 18), to move a friction element (2) of the brake, in use, into engagement with a rotary brake disc (4), and a thrust ...
08/20/2002
6318516Bearing arrangement for actuating a brake in a brake system
The inventive bearing arrangement for a device for activating a vehicle brake has a central threaded spindle (2) which is secured against torsion in a fixed housing (1) and which is arranged in such a way that it can be displaced up to a brake disk (3) of...
11/20/2001
6230856Rod locking mechanism for compression slack adjuster
A locking assembly for preventing accidental let out of a slack adjuster is provided wherein the slack adjuster includes an elongated hollow housing member and an elongated rod member mounted for reciprocal movement within the hollow housing member. At le...
05/15/2001
6196362Lock bolt with modified end cap for slack adjuster
A locking assembly for preventing the accidental let out of a slack adjuster is provided. The elongated rod member of the slack adjuster has a first portion positioned within at least a portion of the slack adjuster's elongated hollow housing member and a...
03/06/2001
6003643Axial 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
5713261Slack adjustable force transmitting cylinder
A pressure actuated force transmitting cylinder includes a housing member having first and second elongated portions. An end cap closes one end of the housing in a fluid tight manner. A connection is formed through such first portion for communicating flu...
02/03/1998
5692586Brake 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
5495921Single actuator truck mount brake system
A slack adjuster for use in combination with a pneumatic brake actuator cylinder wherein the slack adjuster includes a friction clutch which prevents rotation of the screw for first relative position of the piston and screw while allowing rotation of the ...
03/05/1996
4942945Brake cylinder
A brake cylinder, especially for rail vehicles, with a simple-acting linkage regulator for maintaining a uniform play between the brake surfaces. A nut that is disposed upon a threaded spindle is connected with first coupling surfaces that cooperate with ...
07/24/1990
4895228Slack 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
4840257Brake adjusters
A brake adjuster wherein a thrust block is axially slidable in a cylinder bore and rotatably connected to one of two screw threaded adjuster members which are themselves interconnected by a self-sustaining thread. In use a power spring acts on the thrust ...
06/20/1989
4833975Integrated manual brake device
An integrated manual brake device on a brake actuation unit, particularly for rail vehicles, and it includes a hydraulic or pneumatic cylinder. The brake actuation unit contains a linkage setter including two parts displaceable relative to each other in a...
05/30/1989
4825980Railroad brake slack adjusters
A railroad slack adjuster has a threaded rod, one end of which is adapted to be connected to one portion of a railroad car brake rigging and a tube telescopic with the rod and adapted to be connected to another portion of the brake rigging. A clutch membe...
05/02/1989
4819768Actuating device for a disc brake for automotive vehicles
An actuating device for a disc brake, in particular for automotive vehicles, has a rotatably supported actuating member and a transforming device for transforming a rotary motion into an axial motion. A part of the transforming device may be held by a hol...
04/11/1989
4796731Compression type truck/trailer brake slack adjuster
A combination in-line brake slack adjuster and air chamber for connection to a vehicle brake shaft lever arm includes an air chamber and a piston movable in the air chamber. The slack adjuster is of the compression type and is coaxially attached at one en...
01/10/1989
4782715System for locking a linear device for rapidly adjusting and immobilizing a movable part relative to a fixed part
The adjusting device (7) comprises a screw (8) and a nut (12) engaged in a housing (16). The latter and the screw cooperate with a fixed part and a movable part. The locking system comprises a locking cylinder (23) provided with inner screw threads (24-26...
11/08/1988
4760895Electric actuators
A spring applied force actuator having an output member movable from a first position to a second output position, a first power spring by which can be generated on the output member an output force when the member is in its second position, first power m...
08/02/1988
4676346Brake slack adjusting apparatus
A brake slack adjusting apparatus is disclosed which includes a threaded member at least partially extending coaxially within a tubular member. Threadedly engaging the threaded member is a first rotatable member for varying the relative position of the ro...
06/30/1987
4662485Railway vehicle brake rigging slack adjuster
The present invention teaches a double-acting compression actuatable slack adjuster to adjust the slack in the brake rigging of a railway vehicle which includes a pair of elongated members movable with respect to each other in a longitudinal direction. On...
05/05/1987
4646882Brake slack adjuster
A brake slack adjuster with axially aligned, first and second load members connectible at their free ends, respectively, to the brake rigging and a lever operable by the piston of the brake cylinder. First and second brakes act between the load members. T...
03/03/1987
4613016Single-cylinder truck-mounted brake assembly
A single-cylinder, truck-mounted brake assembly for a railway car truck in which low-cost, light-weight, truss-type brake beams are employed, with one beam having an expansible brake actuator in the form of an air bag mounted thereon. The brake rigging ar...
09/23/1986
4593797Compression type railroad brake slack adjuster
A railroad slack adjuster has a threaded adjusting screw, one end of which is adapted to be connected to one portion of a railroad car brake rigging. The slack adjuster also has a clutch housing assembly, telescopic with the adjusting screw and adapted to...
06/10/1986
4589301Linearly infinitely variable mechanism
A linearly infinitely variable mechanism comprises first and second portions which are relatively axially positionable to establish the effective length of the mechanism. A rotary element is axially captured on the second portion. The operative connection...
05/20/1986
4585097Slack adjuster, especially for a rail vehicle brake system
A slack adjuster for a rail vehicle brake system, comprising a brake force receiving adjuster tube (1, 1A), a spindle (4; 4A) axially movable therein, and two nuts, an adjuster nut (5; 5A) and a leader nut (6; 6A), which are in non-self-locking thread eng...
04/29/1986
4550811Manually releasable parking brake device
A manually releasable, spring-applied, air-released parking brake device has a hollow guide rod and a non-rotatable spindle connectable to the brake rigging extending through a portion of a cylindrical housing. On one end of the guide rod is secured a por...
11/05/1985
4543849Automatic adjusting device for actuating mechanism and its control wire
An automatic adjusting device which is disposed midway of a control wire connecting an actuating mechanism such as a brake and an operating lever. The automatic adjusting device automatically compensates not only the internal wear of the actuating mechani...
10/01/1985
4544047Spring-applied, air-released, slack-adjusting parking brake
A parking brake, primarily for use with railway vehicles, including a friction clutch associated with a fast-travel nut which is locked by the clutch against rotation on a threaded spindle connected to a brake head, under a force exerted by a plurality of...
10/01/1985
4493401Automatic brake resetting device
An automatic brake resetting device for railway vehicle brakes has two telescopingly displaceable rod members which transmit a braking force. A rotatable coupling element having a threaded shaft with a non-self-locking thread is connected to one of the ro...
01/15/1985
4478319Spring-applied brake unit for railway vehicle with manual release arrangement
A brake actuator device having a pneumatic service brake piston and a spring parking or emergency brake piston operation of either one of which effects displacement of a brake actuator rod which includes a screw-threaded spindle that operates in a non-rot...
10/23/1984
4441591Rail vehicle slack adjuster
A rail vehicle slack adjuster is provided with a barrel detented against rotation under normal working conditions. However, rotation of the barrel effects adjustment of the length of the adjuster. Thus, by means of a flexible clip ring splined to the barr...
04/10/1984
4431089Automatic slack adjusting device of brake linkage
The device automatically adjusts the slack in the brake linkage of railway vehicle during the braking process and has two telescoping rod members one of which is connected with a brake motor and the other is connected to the brake linkage. A nut, nonrotat...
02/14/1984
4418801Rail vehicle slack adjuster
A rail vehicle slack adjuster of the axial type has a barrel (4), a spindle (2), and an adjuster nut (29). In order to prevent the spindle (2) from leaving its thread engagement with the adjuster nut (29) the spindle is provided with a stop ring (64) so l...
12/06/1983
4408682Rail vehicle slack adjuster
An axial type rail vehicle slack adjuster has a barrel (4) with a set of circumferential notches (62) retaining elements (62, 55, 57) against axial movement along the barrel which coact with slack adjuster mechanism elements (25, 54, 60) to stop axial mov...
10/11/1983
4405037Rail vehicle slack adjuster
A rail vehicle slack adjuster of the double-acting, clearance-sensing, axial type has an elongated barrel (4), a pull means (6, 48), a non-rotatable spindle (2), a leader unit (8-27) and an adjuster unit (29-52) cooperating with the spindle in the barrel,...
09/20/1983
4402388Adjustable broke rigging for rail vehicles
A braking apparatus for rail vehicles has a brake actuating unit to one side of the vehicle wheel. A pair of brake shoes oppositely disposed on both sides of the wheel can be pressed against the contact surface of the wheel. A first vertical braking lever...
09/06/1983
4396097Friction pod material adjuster and continuous wear indicator
A vehicle wheel brake, particularly for a railway vehicle, has an elongate friction pad for engagement with a braking surface. In order to provide for adjustment of the pad without excessive length of the brake, the friction pad is hollow and an elongate ...
08/02/1983
4274300Apparatus for automatically maintaining the tautness of a mechanical coupling between an actuatable device and an associated actuating mechanism
Apparatus of increased simplicity, reliability and economy is provided for automatically maintaining the tautness of a mechanical coupling such as commonly employed, for example, between a vehicular brake and its actuating mechanism, which would otherwise...
06/23/1981
4138002Slack adjuster for a rail vehicle brake system
A one-nut slack adjuster with a nut axially disposed having clutch surfaces and on non-self-locking engagement on a spindle coaxially positioned within a tube moving axially to apply brakes has a spring biased thrust bearing held forwardly on the nut in t...
02/06/1979
4082165Brake assembly including mounting, actuating and adjusting structure
A brake assembly comprises opposed brake parts arranged to be applied in unison to associated rotor surfaces. Each brake part comprises a friction pad or shoe and an adjustable length strut which transmits brake-actuating forces to the friction pad and wh...
04/04/1978
 
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