Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 7337881 | Full float multi-force caliper assembly A disc brake having a caliper straddling a rotor; a fixed carrier, an actuator comprising a primary cylinder located in the caliper and closed by a piston; a guide arrangement including first and second pins for allowing the caliper to slide relative to the carrier ... | 03/04/2008 |
| 7299900 | Braking device for an industrial truck A braking device for an industrial truck, comprising a hydraulic brake cylinder which is coupled to an actuating element and is connected with at least one hydraulic brake associated with a wheel of the industrial truck via a brake line wherein another hydraulic bra... | 11/27/2007 |
| 7182353 | Turn brake for multi-track vehicles A turn brake includes a cylinder assembly coupled to a conventional front-wheel steering system of a multi-track vehicle. The cylinder assembly generates fluid power for applying differential braking force to left and right wheels of the vehicle in response to turni... | 02/27/2007 |
| 7168536 | Brake master cylinder comprising plunger pistons and radial grooves inserted into the housing in order to receive sealing joints The present invention relates to a tandem master cylinder including two plunger pistons and its object is to design the cylinder as simple as possible and to render its assembly as economical as possible. This object is achieved by inserting circumferential annular ... | 01/30/2007 |
| 7073875 | Brake fluid circulation A brake circuit has a brake connected with a master cylinder via a brake application line. The brake master cylinder has a first chamber in which brake fluid is pressurized on movement of a first piston in a brake applying direction by an operating device. The first... | 07/11/2006 |
| 6984000 | Compact tank for an electrohydraulic braking system A tank intended for an electrohydraulic braking system comprises, according to the present invention, a first chamber (7) for the supply of a primary hydraulic circuit of a master cylinder with brake fluid, a second chamber (9) for the supply of a seco... | 01/10/2006 |
| 6929104 | Vertically oriented dual circuit pilot master cylinder A dual circuit pilot master cylinder for a full power brake system provides a minimally sized package for installation in a vehicle cab interior. The master cylinder utilizes a side-by-side disposition of the primary and secondary cylinders and a brake pedal linkage... | 08/16/2005 |
| 6926126 | Disc brake The invention relates to an electromechanical disk brake (10). To attain brake boosting, the invention proposes embodying the disk brake (10) with a multiple brake cylinder (24), which is displaceable in a secant direction of a brake disk (20... | 08/09/2005 |
| 6616246 | Hydraulic braking systems for vehicles In an hydraulic braking system for vehicles a pedal-operated booster-assisted hydraulic master cylinder assembly (1) is adapted to apply a vehicle brake (2) by the supply of hydraulic fluid under pressure to a brake actuator for operating the brake, and a... | 09/09/2003 |
| 6390566 | Vehicle braking system There are provided a master cylinder M and proportional pressure intensification valves V1, V2 for each drawing a boosting hydraulic pressure in proportion to an output hydraulic pressure outputted from the master cylinder M from a source of hydraulic pre... | 05/21/2002 |
| 6382374 | Brake system for a motorcycle A brake stem for a motorcycle in which the operation of the front and rear brakes is synchronized. A front brake caliper is attached to a bracket on the front wheel. The braking force on the caliper is transmitted to a master cylinder via the bracket, and... | 05/07/2002 |
| 6349806 | Cylinder apparatus for a brake fluid pressure control system In a cylinder body of a cylinder apparatus of the present invention for a brake fluid pressure control system, primary and secondary pistons having different pressure-receiving areas are provided. A pressure chamber between the primary and secondary pisto... | 02/26/2002 |
| 6092877 | All terrain vehicle with dual hydraulic brake system An all terrain vehicle (ATV) with a dual hydraulic brake system. The brake system includes a first master cylinder, a pair of front hydraulic brake units, each one being associated with one of the ATV's front wheels, a rear brake unit associated with the ... | 07/25/2000 |
| 6035977 | Trailer break-away device A trailer break away safety mechanism which brings a trailer to a controlled stop after disengagement with a pulling vehicle. The mechanism consists of a cable which remains attached to the trailer after the trailer has disengaged from the pulling vehicle... | 03/14/2000 |
| 5971499 | Hydromechanically regulated vehicle brake system An improved hydraulic brake system accommodates multiple, e.g. primary and secondary actuation forces while maintaining independence of operation between primary and secondary brake subsystems. A secondary subsystem line pressure booster draws its chargin... | 10/26/1999 |
| 5954164 | Brake system for towed vehicles The present invention relates to a braking system for a towed vehicle. The system comprises a weighted pendulum pivotally attached to the towed vehicle and having a swing path in the direction of travel of the towed vehicle; and a structure for translatin... | 09/21/1999 |
| 5865279 | Hydraulic brake apparatus having plural master cylinders A hydraulic brake apparatus is disclosed for braking a vehicle. The apparatus includes a reservoir for the reception therein of hydraulic fluid and a master cylinder hydraulically connected to the reservoir. A pedal actuator is pivotally secured to the ve... | 02/02/1999 |
| 5833326 | Multiple master cylinder braking system A hydraulic brake system employing two hydraulic brake assemblies. The first hydraulic brake assembly includes a first master hydraulic cylinder in communication with two reservoirs for respectively actuating a pair of brakes for braking front wheels and ... | 11/10/1998 |
| 5826953 | Hydraulic braking system especially for motor vehicles A braking system is disclosed that has a manually-actuatable master cylinder having two pressure chambers. A first pressure chamber hydraulically controls a flow control valve through which the pressure medium flows during servo-braking in order to adjust... | 10/27/1998 |
| 5771996 | Lockout device for trailer brake actuator A lockout device for selectively locking out the trailer brake actuator on a hitching device to allow for backing. The lockout device works on a hitching device having an inner housing connected to a pulling vehicle and an outer housing connected to a tra... | 06/30/1998 |
| 5564534 | Link between a motorcycle brake caliper and a master cylinder Links are provided for linking a brake caliper pivotally supported through a pin to a vehicle body. A master cylinder is fixed to the vehicle body and is constructed of a first link having one end pivotally supported through a pin to the brake caliper and... | 10/15/1996 |
| 5363943 | Disk brake apparatus for vehicle To prevent local abrasion of a lining of a brake pad when one of a plurality of pistons for pressing the lining against a disk plate is rendered operative, a lining 16b mounted on a back plate 16a of a brake pad 16 is separated into two, and a recessed po... | 11/15/1994 |
| 5188431 | Brake system with dual vacuum boosters having interconnected chambers and dual master cylinders having interconnected hydraulic circuits The boosted brake system comprises two tandem master cylinders (15, 16), each controlled by way of the piston of a vacuum booster (10, 11) comprising at least two chambers, one (10) of these brake boosters being controlled by way of a pedal and comprising... | 02/23/1993 |
| 5184877 | Hydraulic braking pressure control device A hydraulic braking pressure control device which includes a bottomed cylindrically-shaped cylinder body, a free piston slidably received in the cylinder body to define a first control chamber leading to a first brake device between the free piston and a ... | 02/09/1993 |
| 5080449 | Hydraulic brake pressure controlling apparatus for a vehicle A hydraulic brake pressure control apparatus in which a relief valve is disposed in a fluid passage communicating a fluid pressure chamber of a master cylinder with an ejection end of a fluid pump for discharging a brake fluid to a reservoir when the brak... | 01/14/1992 |
| 5046590 | Braking device for a rotary element Braking device for a rotary element such as a vehicle wheel in which is provided at least two distinct braking assemblies for the braking of a single wheel or axle, and which are connected to distinct braking pressure generators which have a ratio between... | 09/10/1991 |
| 5031968 | Electronically controlled brake device An electronically controlled brake device for controlling a brake pressure according to a manual input. While the dynamic pressure line is functioning normally, the dynamic pressure acts on one end of a push rod associated with a brake pedal to give such ... | 07/16/1991 |
| 4952003 | Apparatus for controlling brake fluid pressure of motor vehicle There is disclosed an apparatus for controlling brake fluid pressure of a vehicle. A supply valve of the normally closed type is opened only at the time of an anti-lock control so as to supply fluid pressure from an accumulator to a pressure fluid chamber... | 08/28/1990 |
| 4842340 | Brake for a vehicle trailer A brake slip control system for trailers equipped with overrun brakes is disclosed, in order to make the brake device independent of the towing vehicle, the pressure fluid source is arranged at the trailer.... | 06/27/1989 |
| 4828333 | Slip-controlled brake system A system is disclosed including valves which are opened or closed dependent upon the position of master cylinder pistons. Upon commencement of slip control, pumps supply fluid either into the slip control cycle or into the working chambers depending upon ... | 05/09/1989 |
| 4826255 | Anti-lock brake system with variable delivery pump controlled in response to detected position of master cylinder piston and method therefor In a brake system for automotive vehicles comprising a master cylinder, wheel cylinders and a device for anti-lock control, the piston of the master cylinder is positioned in its nominal position by the variable volume of delivery of a pressure fluid sour... | 05/02/1989 |
| 4819996 | Automotive vehicle braking device An automotive vehicle braking device comprises a hydraulic master cylinder (11) having at least one piston (21) for pressurization of the wheel cylinders connected thereto with hydraulic pressure and also having a vacuum brake force booster (12) inserted ... | 04/11/1989 |
| 4818039 | Automatic drive slip regulating unit An automatic drive slip regulating unit for motor vehicles or the like which communicates via a connecting line with at least one brake line between a master brake cylinder and an anti-skid system with wheel brakes connected downstream. The connecting lin... | 04/04/1989 |
| 4807944 | Brake system with anti-lock control and traction slip control A brake system with anti-lock control and traction slip control is disclosed. The system includes a braking pressure generator composed of a master cylinder and a brake power booster. Also provided is an auxiliary-pressure supply system which generates an... | 02/28/1989 |
| 4795004 | Safety brake system for a motor vehicle A brake system for a motor vehicle having three sources of communicating pressurized fluid to wheel brakes and having a mechanical brake. Two of the sources of communicating pressurized fluid are the reservoirs of a dual master cylinder and provide first ... | 01/03/1989 |
| 4790608 | Skid-controlled brake system with master cylinder pistons and with plungers supported on stationary transverse member In a skid-controlled brake system including a diagonal division of the brake circuits (I and II), the wheel brakes (31 to 34), through main brake lines (62, 63) and branch lines (47 to 50), are in communication with the master cylinder (2) of the brake pr... | 12/13/1988 |
| 4783128 | Brake pressure control unit with hydraulic power booster including antilocking and propulsion regulation A brake pressure control unit operable by a hydraulic brake power booster and functionally corresponding to a tandem master cylinder for two statically pressurizable brake circuits has two casing bores spaced laterally apart. In one of the bores, the prim... | 11/08/1988 |
| 4778224 | Brake unit with brake booster, two master cylinders for antilock and/or propulsion or slip control situated in common housing including pivotable rocker A brake unit for a road vehicle with a hydraulic dual-circuit brake system having two master cylinders, the brake booster and elements for antilock and/or propulsion or slip control in a common housing. A brake booster drive cylinder which can be subjecte... | 10/18/1988 |
| 4720151 | Slip-controlled brake system for automotive vehicles A slip-controlled brake system for automotive vehicles comprising two static brake circuits (17, 18) into which a pressure medium is introduceable from a dynamic pressure medium circuit (21, 23) during the control operation, and one dynamic brake circuit ... | 01/19/1988 |
| 4715661 | Hydraulic brake booster A hydraulic brake booster including, master brake cylinder pistons disposed in telescoping fashion in a short housing structure, and a locking piston for the brake pedal actuation is disposed parallel to the master brake cylinder in axial alignment with t... | 12/29/1987 |
