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| Number | Title | Issue Date |
| 7165660 | Parking brake assemblies with automatic cable latching A parking brake assembly which includes a lever (15) for operation of a brake shoe (11, 12) to provide a parking function, the lever carrying an automatic latching device for automatically latching to the lever an end fitting (20) on an operatin... | 01/23/2007 |
| 7124858 | Brake system An object of the invention is to provide a brake apparatus which can facilitate slope starting and slope climbing and which can be produced small in size and light in weight. In addition, another object of the invention is to provide a brake apparatus which can obta... | 10/24/2006 |
| 6681902 | Brake shoe mounting system for a vehicle brake assembly This invention relates to a brake shoe mounting system for a vehicle brake assembly. The vehicle brake assembly brake shoe mounting system includes a brake mounting member and a pair of brake shoes slidably supported relative to the brake mounting member.... | 01/27/2004 |
| 6568513 | Drum brake An adjustment arrangement for a non-servo drum brake having a hydraulic actuator that engages a first web of a first brake shoe and a second web of a second brake shoe. The hydraulic actuator on receiving a hydraulic input develops an actuation force for ... | 05/27/2003 |
| 6523652 | Drum brake device This invention provides a duo-two leading type drum brake device which simplifies a drum brake structure as well as improves a transmission efficiency of a application force from a shoe actuator to brake shoes. A pivot lever 60 has an intermediate portion... | 02/25/2003 |
| 6286643 | Parking brake mechanism in drum brake A parking brake mechanism in the duo-servo type drum brake includes a link type shoe drive mechanism for expanding a pair of brake shoes and an operating force generator for inputting a shoe operating force into an input lever of the shoe drive mechanism ... | 09/11/2001 |
| 6131711 | Duo-servo drum brake Counter braking force acting on a secondary shoe is input to one end portion of a control lever supported with an anchor pin vertically provided on a backing plate in such a manner that the control lever is capable of swinging. An inner end portion in the... | 10/17/2000 |
| 6095296 | Duo-servo type drum brake device In order to indirectly open brake shoes (3, 4) through a link (19) pivoted on one of the brake shoes (3) at a location of a brake shoe holding mechanism (5), and to operate the brake shoes (3, 4) away from a shoe gap adjuster (11) while one of the brake s... | 08/01/2000 |
| 5924529 | Drum brake device with single shoe extension device A drum brake device is provided in which a single shoe extension device activated by the service brake can yield a braking force equivalent to that of a two leading (2L) type of drum brake device, and which facilitates the incorporation of a parking brake... | 07/20/1999 |
| 5706914 | Brake cable lever arm A parking brake assembly for connecting a cable to a lever. The lever has a generally flat base member pivotally mounted on the second brake shoe with a first end connected to the first brake shoe and a second end joined to a brake cable. The cable is loc... | 01/13/1998 |
| 5538116 | Brake assembly for blind cable installation A brake assembly includes a guide spring for returning a parking brake actuator arm to a release position and which serves to guide an apply cable into engagement with the actuator arm during assembly. The guide spring is inhibited from deflecting during ... | 07/23/1996 |
| 5480010 | Drum brake adjuster A duo-servo drum brake (10) includes an application adjuster mechanism (50). The application adjuster mechanism (50) comprises a threaded member (51) anchored to one brake shoe end (34), a socket member (61) anchored to the other brake shoe end (32), an o... | 01/02/1996 |
| 5400882 | Duo-servo drum brake In a duo-servo drum brake comprising a mechanical expander adjacent a thrust bearing for supporting the brake shoes, with the expander including an operating lever to which is transmitted the operating force of an actuator substantially in a direction tan... | 03/28/1995 |
| 5377793 | Sleeve for a drum brake adjuster screw An automotive drum brake assembly includes first and second brake shoes mounted on a backing plate. A wheel cylinder for braking actuation is mounted between the brake shoes. An adjuster screw assembly is held between the brake shoes by an adjuster spring... | 01/03/1995 |
| 5322145 | Drum brake operating mechanism An improved operating mechanism for a drum brake assembly including a mounting flange for securing the brake assembly to a vehicle component, a hollow abutment block secured to the mounting flange, and a backing plate secured to the mounting flange. A pai... | 06/21/1994 |
| 5180037 | Drum-in-hat parking brake for a disc brake assembly For a vehicle having a relatively large axle tube, a mechanically operated drum brake is provided having a hollow abutment post between adjacent ends of a pair of opposed arcuate brake shoes and having an improved actuating mechanism for the brake shoes m... | 01/19/1993 |
| 5167304 | Drum brake torsion/compression strut spring The torsion/compression strut spring (60) is disposed about a forked end (54) of a parking brake strut (50) in a drum brake (10). The forked end (54) is received loosely about the web (12A) of an associated drum brake shoe (12) and a parking brake lever (... | 12/01/1992 |
| 5096027 | Drum brake A drum brake including a backing plate adapted to be mounted on a non-rotatable member of a vehicle, the backing plate having a shaft hole formed therethrough at the center thereof for accommodating a shaft of the vehicle, a drum adapted to be mounted on ... | 03/17/1992 |
| 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 |
| 5042623 | Combined parking brake lever and adjuster in a drum brake A duo servo drum brake assembly having a parking brake actuating lever combined with an automatic brake adjuster strut, the combined lever and strut engaging adjacent ends of the brake shoes of the assembly for brake adjustment and parking brake actuation... | 08/27/1991 |
| 5038899 | Internal shoe brake, in particular a parking brake, in a disk hub An internal shoe brake, which is being used as a parking brake in a disc hub, is designed so that it can be preassembled in a ready-to-be-installed fashion. For that purpose, the anchor plate, serving as a cover plate, is mounted to a support by at least ... | 08/13/1991 |
| 4986394 | Brake actuator A brake actuator has a body containing a pair of brake-applying members which may be actuated hydraulically to separate the friction elements of a brake into engagement with a rotatable braking surface. The members are interconnected by a mechanism in the... | 01/22/1991 |
| 4844212 | Mechanically actuated brake with automatic adjustment The mechanically actuated brake (10) with automatic adjustment comprises an integral support plate (20) having first (22) and second (24) axially extending support bars which position associated pairs of brake shoe ends (13, 15, 17, 19). The brake shoe en... | 07/04/1989 |
| 4732240 | Drum brake assembly, brake shoes for same, and method A drum brake assembly with the brake shoe lining friction surface subtending over a total effective friction surface arc length between the shoe heel and toe ends of about 49° on the first or primary shoe, symmetrical about the shoe horizontal center lin... | 03/22/1988 |
| 4673069 | Wheel cylinder mounting arrangement A clamping bracket arrangement is provided which tightly grips the mounting boss of a wheel cylinder and the axle housing to which the brake assembly of which the wheel cylinder is a part is mounted, preventing movement of the wheel cylinder relative to t... | 06/16/1987 |
| 4666021 | Release mechanism for a hill holder device The improved release mechanism comprises a load sensor (50, 51, 150, 250, 350, 450) connected with a wheel brake (10, 110) to sense a change in wheel braking torque and communicate responsively with a mechanical brake control device (200) or a braking ass... | 05/19/1987 |
| 4573557 | Drum brake A drum brake assembly with a center guide backing plate, channeled web brake shoe assemblies slidably received on the center guide braking plate. A wheel cylinder assembly mounted in a notch on the center guide braking plate and engaged by a first set of ... | 03/04/1986 |
| 4564090 | Self-centering brake assembly incorporating a brake drum and automatic adjusting mechanism A self-centering brake assembly in which the leading shoe 12 and the trailing shoe 14 are connected in a duo servo braking mode. The connected ends of the shoes have an automatic adjuster comprising an adjuster lever return spring 70, an adjuster lever 74... | 01/14/1986 |
| 4555001 | Overtravel device for an automatic brake adjuster A continuous wireform is constructed as the cage (48) for a caged spring (50), these two components serving as the overtravel arrangement in an automatic brake adjuster. The wireform cage has a coil (70) formed at one end of the cage (48) and two limbs (7... | 11/26/1985 |
| 4553647 | Wheel cylinder and torque plate construction A torque plate construction (50) comprises two stamped parts (58, 60) which are fastened together at central planar portions (62, 63) thereof and to a wheel axle housing (20) of a vehicle. Each torque plate part (58, 60) includes housing portions (77) spa... | 11/19/1985 |
| 4546862 | Drum brake A drum brake assembly with a center guide backing plate, channeled web brake shoe assemblies slidably received on the center guide braking plate. A wheel cylinder assembly mounted in a notch on the center guide braking plate and engaged by a first set of ... | 10/15/1985 |
| 4503954 | Drum brake with controlled torque and torque control valve for such a brake The brake comprises a torque control valve comprising a main piston which cooperates via a bearing piece with a shoe of which the bearing force is representative of the torque supplied by the brake during operation of the brake motor. The main piston cont... | 03/12/1985 |
| 4456102 | Overrunning wheel brake An overrunning wheel brake has a brake drum, two brake shoes including a first brake shoe which, upon forward movement will be leading, and a second brake shoe, a bracket member provided with at least one guiding part arranged to support the first brake s... | 06/26/1984 |
| 4429772 | Drum brake anchor assembly A drum brake assembly includes a pair of brake shoes (16, 18) which are movable by a hydraulic actuator (14) to a braking position. A parking brake lever assembly (24) is operable to also move the pair of brake shoes to the braking position. An anchor ass... | 02/07/1984 |
| 4424888 | Shoe and drum brake In a shoe and drum brake wherein the shoes can move circumferentially of the drum between first and second limit positions and are biased towards the first limit positions, there is provided for transmitting force from an actuator to the shoes a lever or ... | 01/10/1984 |
| 4387792 | Mechanical parking brake mechanisms A mechanical parking brake mechanism which comprises firstly a sector pulley pivoted on the backing plate of a brake drum to guide an intermediate portion of a parking brake wire and formed at its guide face with at least two radial recesses spaced from e... | 06/14/1983 |
| 4363386 | Overrunning drum having an amplifying device A wheel brake, particularly an overrunning wheel brake comprising a brake drum, first and second brake shoes movable in forward and rearward directions, amplifying formations arranged to cooperate with the first brake shoe and to amplify a force with whic... | 12/14/1982 |
| 4353441 | Dual mode drum brake In a drum brake assembly a pair of brake shoes (12, 14) are carried by a backing plate (10) and are engageable with the brake drum (18) to effect a service brake application. A parking lever (26) cooperates with the pair of brake shoes to engage the shoes... | 10/12/1982 |
| 4303148 | Single piston-cylinder duo-servo drum brake In a drum brake, a wheel cylinder is located between a pair of adjacent shoe ends for a pair of brake shoes and a piston inserted into the wheel cylinder is slidably engaged through an anchor provided on a backing plate and further the piston is provided ... | 12/01/1981 |
| 4249646 | Drum brake assembly with non-servo and duo-servo characteristics In a drum brake assembly a hydraulic actuator is engageable with a pair of brake shoes to move the same into engagement with a rotatable member. A parking lever also cooperates with the pair of brake shoes to move the same into engagement with the rotatab... | 02/10/1981 |
