Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7637361 | Combined retainer and anchor for floating shoe drum brake A one-piece sheet metal combination retainer and anchor for use in a non-servo floating shoe drum brake assembly (10) having a pair of laterally extending ears (62, 64,94, 96) for axially retaining respective ends (22, 24) of a pair of brake sho... | 12/29/2009 |
| 7055662 | Vehicle axle beam and brake assembly An improved axle beam and self-contained drum brake assembly, particularly for heavy duty trucks, is disclosed. The assembly includes a brake spider and actuating members mounted thereto via a mounting assembly comprising a mounting sleeve attached to the brake spid... | 06/06/2006 |
| 7011194 | Drum-in-hat torque limiter A parking brake having first and second brake shoes each of which has a first end that engages an anchor post on a backing plate and a second end that engages an adjuster. An actuator that is located adjacent an anchor post engages a first end and an adjuster engage... | 03/14/2006 |
| 6772865 | Brake shoe retainer clip A retainer clip is used to maintain proper shoe contact and orientation for a cam actuated brake assembly. The cam actuated brake assembly includes a pair of brake shoes each having an anchor end and an actuation end. Each brake shoe is pivotally mounted at the anch... | 08/10/2004 |
| 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 |
| 6499569 | Damped anchor shim for drum brake assembly This invention related to a multi-layered damped anchor shim adapted for use in a drum brake assembly. The anchor shim includes an inner surface and an outer surface which is adapted to contact the second ends of the brake shoes. The anchor shim includes ... | 12/31/2002 |
| 6454062 | Drum brake A mount bracket attached to a vehicle body is formed by pressing a metal plate to constitute a structure substantially in a shape of a flat plate having a circular plate portion overlapping a circular disc portion of a backing plate and a flange portion e... | 09/24/2002 |
| 6360852 | Drum-in-hat park brake assembly A drum-in-hat park brake assembly having a first brake shoe retained on a backing plate by a first pin and a second brake shoe retained by a second pin. The first and second pins permit the first and second brake shoes to be moved in a radial plane and to... | 03/26/2002 |
| 6345708 | Brake shoe anchor device for an internal drum brake device It is one object of this invention to eliminate a driver's impression of delay in braking effectiveness at an initial stage of a braking operation and the phenomenon of over-braking with an internal drum brake device. For this purpose rigid anchor members... | 02/12/2002 |
| 6223869 | Drum brake device A drum brake device is provided which facilitates the pre-mounting of a long link, without increasing the number of components or the cost of the device. The long link (44) is pivotable on the central segment of one brake shoe (13). An engagement hook (48... | 05/01/2001 |
| 6216832 | Integral block for non-driven non-steerable wheels of an automotive vehicle An integral block for non-driven and non-steerable wheels of an automotive vehicle includes a brake drum, a wheel hub, an antifriction bearing, an axle journal, and an assembly base for non-rotating components of a drum brake. The latter include brake sho... | 04/17/2001 |
| 6213264 | Sealing arrangement for brake camshaft An improved camshaft sealing arrangement includes seals at each end of the camshaft housing. In addition, seals and washers are positioned between the camshaft and the slack adjuster connection. The combined seals provide a camshaft that is less likely to... | 04/10/2001 |
| 6131710 | Brake shoe anchor pin A pin is used to anchor an end of a brake shoe to a boss in a brake spider. The brake shoe has a pair of spaced apart ribs, each of the ribs having an aperture at an end thereof. The pin is a two-piece assembly with first and second elongate members. A fi... | 10/17/2000 |
| 6131708 | Drum brake device A shock absorber (13) is provided between the anchor (9) and the ends (2b, 3b) of the brake shoes (2, 3) facing the anchor (9) to reduce the impact noise between the brake shoe and the anchor.... | 10/17/2000 |
| 6062354 | Drum brake shoe hold-down spring plate A spring plate intended to form part of a drum brake shoe hold-own device of the general kind in which a retaining pin anchored, in use, on the brake back plate and passing through an opening in the brake shoe web, cooperates with the spring plate to limi... | 05/16/2000 |
| 6062353 | Drum brake device A drum brake device is provided which facilitates the pre-mounting of a long link, without increasing the number of components or the cost of the device. The long link (44) is pivotable on the central segment of one brake shoe (13). An engagement hook (48... | 05/16/2000 |
| 5590742 | Stamped caliper adapter A two-piece stamped caliper adapter includes a cast iron anchor and a stamped steel adapter plate. The stamped adapter plate includes reinforcement ribs for providing structural rigidity and stiffness to withstand the loads imposed by a vehicle wheel brak... | 01/07/1997 |
| 5445250 | Brake shoe mounting with ball bearings for swivelling A brake shoe mounting for a vehicle drum brake hinges brake shoes to a brake anchor member to swivel around axes that are substantially parallel to the brake drum axis. To simplify the assembly and disassembly of the brake shoes and to improve the adaptat... | 08/29/1995 |
| 5407037 | Internal shoe drum brake having diverging abutment surfaces A brake shoe for an internal shoe drum brake has an arcuate platform carrying a lining of friction material on its outer face. A web extends perpendicularly from the inner face of the platform and provides a shoe tip intended to be supported on an angled ... | 04/18/1995 |
| 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 |
| 5325945 | Vehicle brake support assembly A brake support assembly for a vehicle including a stamped metal spider having a planar mounting portion and a pair of diametrically opposed support portions. A first support portion includes a first pair of ribs extending along opposite edges thereof as ... | 07/05/1994 |
| 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 |
| 5316111 | Vehicle axle beam and brake assembly A brake camshaft (22), having a cam (23) at one end for actuation by rotation of the camshaft to expand the brake shoes of a drum brake, has two spaced bearing assemblies (16, 21), preferably both self-aligning, releasably secured on an axle beam (1) at m... | 05/31/1994 |
| 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 |
| 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 |
| 5099967 | Drum brake assembly A drum brake assembly has brake shoes 2 and 3 within a rotatable drum 1. The shoes 2 and 3 are displaceable to effect braking by an hydraulic ram 7 and free ends 9 of the shoes react against an abutment 10. This reaction is effected through a layer of vis... | 03/31/1992 |
| 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 |
| 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 |
| 5022502 | Tee anchor for duo servo drum brakes A duo servo drum brake shoe anchor having a T-shaped configuration in which the inner recess corner surfaces define a pocket on each side, each of which receives a rounded end of one of the shoes in force transmittable engagement. The crossbar part of the... | 06/11/1991 |
| 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 |
| 4981200 | Brake having anchor bearing on immovable spider An improved "expanding-shoe" drum brake (100), including an immovable spider member (38) to which brake shoes (18, 19) are pivotally mounted to move into engagement with a rotating annular brake drum (10). As is common, the shoes move in response to motio... | 01/01/1991 |
| 4936426 | Brake assembly A brake assembly, for a vehicle axle having a beam, including a spider mounted on the beam, a camshaft mounted on one end of the spider, a pair of anchor pins mounted on an opposite end of the spider, and a pair of brake shoes. Each of the brake shoes has... | 06/26/1990 |
| 4887698 | Brake actuator A mechanical brake actuator for a shoe drum brake including a pair of brake shoes carried by a back plate wherein one pair of adjacent ends of the shoes engage an abutment fixed relative to the back plate, comprises an assembly including a pair of pivotal... | 12/19/1989 |
| 4858730 | Vehicle brake support A stamped metal plate for supporting a brake assembly on a vehicle axle which includes a substantially planar and circular mounting portion, diametrically opposed, planar first and second support portions substantially parallel to and offset in opposite d... | 08/22/1989 |
| 4858729 | Brake support assembly A brake spider for supporting a brake assembly on a vehicle axle which includes a mounting portion and diametrically opposed, first and second support portions, a pair of laterally spaced bores through the second support portion and mounting a pair of anc... | 08/22/1989 |
| 4854427 | Vehicle axle and brake support assembly A stamped metal plate supports a brake assembly on a vehicle axle. The plate includes a planar and circular mounting portion having a circular aperture pressed on and welded to the axle, diametrically opposed, planar first and second support portions subs... | 08/08/1989 |
| 4730707 | Automobile drum brake For automobile drum brakes of the simplex and duo-duplex forms of construction, each having two brake shoes (10) floatingly mounted on a brake bracket (1), a special support is proposed for the one end of the brake shoe web (10) of each brake shoe (8), th... | 03/15/1988 |
| 4716980 | Control system for rider vehicles An electric rider vehicle control system is disclosed which includes a dead man brake that is normally set to prevent coasting, and controls which release the brake and permit normal transport operation of the vehicle at multiple speeds by an operator on ... | 01/05/1988 |
| 4679667 | Anchor pin retainer A brake shoe assembly incorporates unitary retainers for anchor pins about which a pair of brake shoes may pivot. In a preferred form, the anchor pin retainers are spring steel structures formed of drawn heat treated wire, each retainer defining a pair of... | 07/14/1987 |
| 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 |