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| Number | Title | Issue Date |
| 7341128 | Disk brake arranged TMX A brake rigging for a railway vehicle having a singular truck-mounted brake apparatus for generating a braking force and a plurality of disk caliper assemblies for applying the braking force to each wheel. Wedge-like elements are rigidly attached to the braking beam... | 03/11/2008 |
| 7175009 | Cam actuated drum brake A cam for a brake is provided that allows for greater brake shoe travel and thicker brake linings while providing the same or greater mechanical force as compared to conventional cams. One or more lobes of the cam include multiple portions having varying profiles in... | 02/13/2007 |
| 7143886 | Arrangement for generating actuation force in a centrifugal clutch An actuation force generating arrangement for a centrifugal clutch includes a housing, a supporting element, and a plurality of centrifugal members. The housing is rotatable about an axis, the housing having a plurality of first supporting areas which each extend ra... | 12/05/2006 |
| 7124861 | Motion control apparatus A brake (10) having application for a linear or rotational motion device includes a housing (120) in which a first piston (140), a wedge (142) and a second piston (144) cooperate to engage a friction facing (136) through a p... | 10/24/2006 |
| 7097003 | Elevator landing door broken chain safety device A vertically sliding freight elevator landing door with a safety brake that deploys when a chain suspending the door breaks. The safety brake is adapted for use on both panels that slide up to open or that slide down to open. The brake, which is simple in constructi... | 08/29/2006 |
| 6997287 | Elevator emergency stopping device In an elevator emergency stop device wherein emergency stop of the elevator cage (20) is achieved by generating frictional force at a sliding part (11) and guide rail (1) by pressing a sliding part (11) against guide rail 1 using a... | 02/14/2006 |
| 6986411 | Electromechanical brake with self-boosting and varying wedge angle An electromechanical brake has an electrical actuator which generates an actuation force and acts on at least one friction member in order to press said member to elicit a friction force against a rotational component, which is to be braked, of the brake. A self-boo... | 01/17/2006 |
| 6622833 | Drum brake system The invention relates to a drum brake device (10), which is provided as a wheel brake for a motor vehicle. The invention proposes embodying the drum brake device (10) with a brake belt (14), which is disposed inside a brake drum (12) and can flex in the r... | 09/23/2003 |
| 6415896 | Torque-receiving member and brake cylinder arrangement for drum brake The cylinder body 11 has the first boss 11d through which the wedge-actuating mechanism is inserted and the second boss 11e having an inlet port and outlet port of the fluid away from the first boss 11d, where the first boss 11d is fit in the boss fitting... | 07/09/2002 |
| 6276497 | Electrically assisted brake actuator A block brake actuator including in a housing a service brake arrangement, having an electric motor and mechanism for transforming its rotary movement into an axial movement of a push rod, and a safety brake arrangement, including at least one powerful sp... | 08/21/2001 |
| 5386889 | Brake mechanism for a storage and retrieval vehicle An overspeed brake mechanism for a storage and retrieval vehicle (SRV). The brake mechanism includes wedges acting between a brake block attached to the load carriage of the SRV and the mast of the SRV. The wedges are biased into engagement with the mast ... | 02/07/1995 |
| 5355978 | Liquid-immersed disc brake A liquid-immersed disc brake has a housing containing rotatable and stationary members operated by a wedge device for brake actuation from actuating means. The brake is supplied with cooling liquid, of which the flow is controlled by a valve, a portion of... | 10/18/1994 |
| 5261646 | Winch having automatic brake An automatic brake for vehicle winch that is automatically applied when the applied torque of the drive motor ceases and automatically released upon application of motor torque. The brake features brake pad segments that move radially outward against the ... | 11/16/1993 |
| 5137126 | Electromechanical control having a centrifugal structure The invention concerns an electromechanical control having a centrifugal structure comprising a shaft (22) driven in rotation by an electric motor (20) and defining an axis, at least two flyweights (38) capable of moving under the effect of a centrifugal ... | 08/11/1992 |
| 5103944 | Wedge-type actuator for actuating drum brakes A wedge-type actuator for actuating drum brakes including guide rollers positioned between the wedge and a plunger that contacts the leading brake shoe. The guide rollers are carried between a guiding surface on the wedge and a guiding surface in the hous... | 04/14/1992 |
| 5092433 | Swing resistance regulating device in a swing resistance device A device for regulating swing resistance of swingable devices such as video cameras and/or motion picture cameras. A pair of right and left shoe members to be fixed to the swingable device are mounted on the body side. Elastic O rings are commonly fitted ... | 03/03/1992 |
| 5076402 | Adjusting device for the brake shoes of inside shoe brakes An adjusting device is disclosed for the brake shoes of inside shoe brakes. The adjusting device includes two levers which are articulated on a carrier at a lateral distance from one another. The levers each engage on one of two adjacent brake shoe ends a... | 12/31/1991 |
| 5064034 | Spreading-wedge device, particularly for motor-vehicle brakes A spreading wedge actuator for vehicle brakes includes a housing (11) mounted on a brake carrier, two coaxial pressure members (2, 3) displaceably mounted in the housing (1) and abutting at outer ends against the brake operating members, a spreading wedge... | 11/12/1991 |
| 4887697 | Brake actuator A wedge and roller brake actuator comprises a wedge disposed between opposed tappets with interposed rollers acting to transmit thrust from the wedge to the tappets for brake actuation, a fixed inclined surface engaged by one roller to restrain the wedge ... | 12/19/1989 |
| 4809823 | Braking device for a vehicle Braking device for a vehicle, comprising a mechanism for driving at least one friction member in frictional engagement with a rotary member to be braked, the mechanism comprising a wedge (28) movable in a first axis in order to shift an actuating member (... | 03/07/1989 |
| 4784244 | Electrical braking device for vehicles The friction member (4a) is actuated, via a piston mechanism (5), by an assembly consisting of a wedge (12) and of rollers (14), put into operation as a result of the rotation of a control shaft (11) driven by an electric motor (8) under the supervision o... | 11/15/1988 |
| 4770278 | Automatic adjustment device for internal shoe brakes An automatic adjustment device for internal shoe brakes, comprises a fixed housing disposed interiorly of a rotating brake drum, a slidably guided, non-rotatable, axially displaceable pressure element disposed in the housing and operated mechanically or b... | 09/13/1988 |
| 4765447 | Wedge brake activating device In the case of a wedge brake activating device for drum brakes of vehicles, the guidance of the rollers (13) contained in a roller cage (15)--which provide the positive [frictional] engagement between the wedge surfaces (12) and the slant surfaces (10)--l... | 08/23/1988 |
| 4759429 | Wedge and roller brake actuator A wedge and roller actuator, primarily for a vehicle drum brake, has a wedge disposed between opposed tappets with interposed thrust-transmitting rollers. Inwardly directed thrust arising on one of the tappets is transmitted to a fixed surface of the actu... | 07/26/1988 |
| 4742897 | Wheel cylinder with self-contained auto-adjuster A self adjusting wheel cylinder for a drum brake including a brake drum and a brake shoe for exerting braking pressure on the drum with a shoe gap formed therebetween comprising a cylinder including an opening therein, hydraulic piston slidably mounted in... | 05/10/1988 |
| 4699256 | Wedge brake arrangement for heavy road vehicles A wedge brake arrangement for drum brakes on heavy road vehicles includes a brake cylinder push rod (29), plungers (26) axially movable perpendicularly to the push rod, and force transmitting rollers (32) between parallel wedge surfaces at the end of the ... | 10/13/1987 |
| 4666022 | Wedge-type brake actuator A wedge-type actuator for a drum type brake including a positive stop for limiting the degree of relative movement between the cage and the wedge for avoiding push through. The stop is operative between the cage and a member other than the wedge for limit... | 05/19/1987 |
| 4649805 | Vehicle brake application apparatus A braking unit for vehicles is disclosed which includes a housing in which slides a piston that can be displaced by means of a pressurized fluid to control, by means of an actuator, a thrust rod which controls a brake shoe. The actuator includes at least ... | 03/17/1987 |
| 4623047 | Automatic brake adjustment assembly Disclosed is an automatic brake adjustment assembly (50) for maintaining a desired disengaged clearance (c) between a frictional brake lining (17) and a moveable object to be braked. Assembly (50) includes a cam member (2) that is moved in opposite axial ... | 11/18/1986 |
| 4621713 | Actuating mechanism for a disc brake The invention concerns a mechanism for actuating a disc brake, incorporating a piston (5) coupled to a brake pad (1), a wedge (12) which is moveable longitudinally, under the action of a control rod (10), between surfaces (5a, 17a) forming part of the pis... | 11/11/1986 |
| 4572567 | Snubbing apparatus for grapples and the like A snubbing device for a suspended grapple or the like operable by pressurized fluid in a cavity between a pin and housing of a universal joint which actuates a ramp to cause a retarding reaction between the pin and housing to prevent free swinging of the ... | 02/25/1986 |
| 4558768 | Expanding wedge actuation device A wedge assembly particularly adapted for expanding brakes of motor vehicles including a housing and at least a pair of push rods movably supported in the housing and operatively connected to brake shoes of the brake, the push rods having confronting oppo... | 12/17/1985 |
| 4549442 | Expanding wedge actuation device A wedge mechanism particularly adapted for expanding brakes of motor vehicles including a housing, a wedge member, a pair of push rods displaceably supported in the housing action upon the brake shoes of the brake by opposing displacement in a common perp... | 10/29/1985 |
| 4535875 | Actuator for an internal shoe drum brake An actuator for a shoe drum brake has a body containing a tappet engaging one of a pair of brake shoes, and a split tappet of which the outermost piston engages the other brake shoe. A mechanical wedge actuator acts between the tappets for emergency and p... | 08/20/1985 |
| 4531781 | Off-highway dump truck A large two axle rear dump off-highway vehicle comprising a main frame section, a tilting dump body, a cab section, a radiator section, front wheels providing steering for the vehicle, and rear wheels providing a driving power for the vehicle. The main fr... | 07/30/1985 |
| 4519482 | Wedge actuated drum brake assembly A wedge actuated drum brake assembly uses a wedge-shaped actuating rod and a roller cage slidably mounted thereon to transmit actuating forces from a fluid pressure actuator to a pair of friction elements. The actuating rod and roller cage are provided wi... | 05/28/1985 |
| 4469015 | Emergency and service brake actuator An improved emergency and service brake actuator for a wedge type brake is of the type which includes a tubular structure extending from the brake and housing an extended end of a stem of the wedge of the brake therein. An emergency brake actuation portio... | 09/04/1984 |
| 4467704 | Vehicle brake unit A vehicle brake unit having a fluid pressure operated piston arranged perpendicular to a brake push rod on which is provided a pair of diagonally opposed roller members. An actuator member is connected to the piston and is interposed between the piston an... | 08/28/1984 |
| 4416356 | Hydraulic wheel cylinder assemblies and drum brakes incorporating same A hydraulic wheel cylinder assembly is particularly for use in a drum brake of the kind in which the wheel cylinder assembly is interposed between one pair or adjacent ends of a pair of brake shoes and a mechanical expander and fixed abutment is interpose... | 11/22/1983 |
| 4360086 | Brake actuator assembly A brake assembly wherein a reciprocable wedge actuator projects into an actuator housing containing two oppositely slidable brake shoe associated plungers disposed in aligned bores having a common axis and a fluid pressure motor unit has a tubular support... | 11/23/1982 |
