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| Number | Title | Issue Date |
| 7654372 | Shoe-hold apparatus for drum brake device To accomplish both prevention of disengagement of the shoe-hold spring from the shoe-hold apparatus and improvement of the assemblability of the same. The shoe-hold pin has the small diameter portion and the large diameter portion. One end opened slots are formed at... | 02/02/2010 |
| 7261190 | Reaction lever for a parking brake A lever for moving first and second brake shoes into engagement with a drum to effect a brake application. The lever has a first end connected to the brake shoes and a second end with a tine fixed thereto to which a cable is connected to apply an input force to effe... | 08/28/2007 |
| 7182182 | Drum brake and brake shoe for one such brake A drum brake comprising a plate on which at least one shoe having a friction lining is mounted. A lever moves the shoe against a wheel drum in response to a braking command to effect a brake application. A resilient return spaces the shoe apart from the drum when br... | 02/27/2007 |
| 7104370 | Drum brake assembly A drum brake assembly which includes a rotatable drum having a radially inner drum braking surface and a brake shoe of single piece construction and of generally circular form mounted within the drum and against a backing plate. The brake shoe includes friction lini... | 09/12/2006 |
| 6729449 | Drum brake A drum brake having a disc with a peripheral surface with a plurality of radial guides interspersed between a first radial abutment and a second radial abutment. The plurality of radial guides receive a first arcuate channel member on a first brake shoe and a second... | 05/04/2004 |
| 6705439 | Brake shoe and brake assembly A brake shoe assembly (1) for a drum brake, the brake shoe assembly being a single-piece construction and including a brake shoe (2) of generally circular form having two separate and opposed ends (17, 18), and defining a pair of friction lining... | 03/16/2004 |
| 6343678 | Brake hold down assembly A brake hold down assembly for brake mechanisms has a hold down spring designed to ease spring installation and removal as well as reduce spring overstressing. Each leg of the spring has an open-ended slot therein, and the assembly also includes a retaini... | 02/05/2002 |
| 6241061 | Reduced noise brake shoe assembly The present invention is a drum brake shoe assembly having an improved support structure which limits the lateral travel of the leading brake shoe, to thereby reduce or eliminate audible impacts between the brake shoe and the backing plate of the drum bra... | 06/05/2001 |
| 6098766 | Retraction spring for drum brake shoes A wire return spring for providing bias for brake shoes in a drum brake system urging the brake shoes to deactuated positions, with the wire spring having a circular like contour as assembled with the brake shoes.... | 08/08/2000 |
| 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 |
| 5836429 | Brake shoe pin and preassembled spring and cup assembly A preassembled spring and cup assembly is used in a brake assembly. The spring and cup assembly includes a cup which is engaged against a spring. The cup has a slot therethrough through which a pin is passed to retain the pin with the cup and to retain th... | 11/17/1998 |
| 5819887 | Drum brake device A drum brake device having a single brake shoe mounted to be movable on top of the back plate. One end of the brake shoe abuts against an anchor (10) and the other end interlocks with a shoe clearance adjustment device (14). A link (11) is supported so as... | 10/13/1998 |
| 5540310 | Hold-down device for a brake shoe in a drum brake A brake shoe (12) is guided on an anchor plate (10) of a drum brake and held down by a pin (32) which extends through a hole (34, 36) each in the anchor plate and in a web (18) of the brake shoe (12). The pin (32) has a foot (38) which is supported on the... | 07/30/1996 |
| 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 |
| 5368139 | Drum brake shoe hold down nail and spring retainer A new and improved brake shoe hold down mechanism for retaining a brake shoe to an inside surface of a backing plate includes a nail having a head disposed on an outside surface of the backing plate limiting axial travel of the nail and a barb-like tip ad... | 11/29/1994 |
| 5366049 | Drum brake shoe hold-down bracket and cable guide A drum brake (10) includes a backing plate (11) supporting a pair of drum brake shoes ( 12, 14) having brake shoe webs (16, 18). An opposing pair of brake shoe ends (26, 28) have adjacent thereto a combination drum brake shoe hold-down bracket and cable g... | 11/22/1994 |
| 5328003 | Brake spring retention system for a cast brake shoe A brake return spring retention system for a cast brake shoe where a slot is located on the inside rib of the brake shoe having a width which exceeds that of a spring hook formed on one end of a brake return spring where the spring hook passes into the sl... | 07/12/1994 |
| 5246093 | Drum brake assembly A drum brake assembly including a brake member comprised of a substantially circular shoe having a radially outer face on which at least one lining is mounted. The shoe is made from a high strength resilient material and is of substantially constant cross... | 09/21/1993 |
| 5228545 | Internal shoe drum brake An internal shoe drum brake having a generally C-shaped shoe return spring of which an intermediate portion is retained on the backplate and respective end portions respectively engage brake shoes. The intermediate portion of the spring is retained by a r... | 07/20/1993 |
| 5201390 | Brake shoe hold down spring The shoe hold down spring (40) comprises a single wave form or serpentine shaped leaf spring (40) which is engaged at opposite ends (42, 44) by hold down pins (53, 55) of a drum brake. The hold down pins (53, 55) are connected with the backing plate (12) ... | 04/13/1993 |
| 5159998 | Unispring drum brake assembly A drum brake is provided of the leading-trailing shoe type in which a single piece spring installed as a part of the assembly holds down the brake shoe assemblies against the backing plate and also retracts the shoes after brake actuation. The single piec... | 11/03/1992 |
| 4998602 | Drum brake shoe hold-down and retraction spring and anchor post therefor A single generally U-shaped wire spring has a plurality of torsional spring loops formed in the center and fitting over an anchor mounting post for a leading-trailing shoe assembly. Each arm of the spring extends along the web of a shoe and terminates in ... | 03/12/1991 |
| 4993525 | Drum brake shoe hold-down and retraction springs and anchor post therefor Each of a pair of wire springs has a loop end fitting on an anchor mount for a leading-trailing shoe assembly. Each spring has an arm extending from its loop end along the web of a shoe and terminates in a hook end which fits within a slot in the associat... | 02/19/1991 |
| 4987979 | Anti-squeak bumpers for brakes A spacer (10) is used to prevent a vibratory noise created by two inelastic parts of a drum brake assembly (12) from contacting each other; the two inelastic parts being the backing plate (18) and the brake shoe (28). The spacer (10) is fabricated from an... | 01/29/1991 |
| 4869352 | Brake shoe guide member and brake using same A brake shoe guide member (50) is provided that is adapted to be firmly secured to the brake spider (38) and which features a pair of spaced-apart guide surfaces (56, 56) on one side of the brake shoe web (16) and an opposed guide surface (58) on an oppos... | 09/26/1989 |
| 4790704 | Retainer assembly The retainer assembly (10) comprises a longitudinally extending retainer body (12) having an enlarged diameter or head member (14) at one end and an arrow-shaped or flared member (16) at the other end. A V-shaped leaf spring (20) has an opening (24) at th... | 12/13/1988 |
| 4762209 | Drum brake assembly and shoe hold-down and retraction spring therefor A single generally U-shaped wire spring has a partial loop formed in the center and fitting over an anchor for a leading-trailing shoe assembly. Each arm of the spring extends along the web of a shoe and terminates in a hook end which fits within a slot i... | 08/09/1988 |
| 4623050 | Shoe hold-down pin and spring clip A one piece spring clip is positioned on a headed brake shoe hold-down pin so that the spring clip is compressed with a camming action until the clip reaches an over-center condition. Further installing movement of the spring clip permits the spring to ex... | 11/18/1986 |
| 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 |
| 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 |
| 4553649 | Axial retention of the shoe of a drum brake and a drum-brake shoe equipped with an axial-retention device A drum brake assembly includes a pair of brake shoes which are slidably mounted on a fixed support. An elastic retention member is mounted on each of the shoes before they are assembled onto the fixed support. Each of the retention members includes a lock... | 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 |
| 4476968 | Expanding shoe drum brake An improved expanding shoe drum brake (10) is provided. The brake includes a pair of brake shoes (20) pivotably retained on an anchor structure (18). The shoes include brake tables (22) and webs (26), the webs are resiliently urged by a spring (132) into ... | 10/16/1984 |
| 4353437 | Adjuster for drum brakes A drum brake (10) includes a rotatable brake drum (16) and a pair of brake shoes (12, 14) which are engageable with the brake drum. A non-rotatable backing plate (24) slidably carries the pair of brake shoes. The brake shoes pivotally anchor at one end to... | 10/12/1982 |
| 4332311 | Shoe hold-down device in a drum brake A drum brake wherein a pair of brake shoes are held down, without departing from a backing plate, by means of a single shoe hold-down spring. The spring is made of a wire, being bent and wound symmetrically about an axis, and held by retainers secured to ... | 06/01/1982 |
| 4296845 | Anchor plate for a drum brake assembly An anchor plate is disclosed for a drum brake assembly having a backing plate and a pair of brake shoes arranged in end-to-end relationship thereon. The anchor plate engages a knob integral with the backing plate, the knob extending from the backing plate... | 10/27/1981 |
| 4219923 | Wheel brake assembly A wheel brake assembly in which the webs of brake shoes are held in a planar alignment between and supported by a pair of parallel-spaced interconnected supporting plates, in turn supported by an axle or spindle. A pair of brake contracting springs interc... | 09/02/1980 |
| 4182439 | Torque member for a drum brake A drum brake assembly includes a torque member which supports a hydraulic actuator. The hydraulic actuator is engageable with a pair of brake shoes and is operable to move the pair of brake shoes into a braking position. The torque member comprises a cent... | 01/08/1980 |
| 4180149 | Drum brake and mounting means therefor A drum brake is provided with a pair of brake shoes having axially inner and outer webs for supporting friction linings. A backing plate mounts the pair of brake shoes by providing radially outwardly extending lugs which are disposed between the inner and... | 12/25/1979 |
| 4150736 | Wheel brake assembly A wheel brake assembly in which the webs of brake shoes are held in a planar alignment between and supported by a pair of parallel-spaced interconnected supporting plates, in turn supported by an axle or spindle. A pair of brake contracting springs interc... | 04/24/1979 |
