Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7222019 | Vehicle image display apparatus and vehicle having the same A vehicle image display apparatus includes a traveling condition judging unit for repeatedly judging the traveling condition of a vehicle, an operating unit for generating a parameter for abstractly representing the traveling condition of the vehicle based on the pr... | 05/22/2007 |
| 7021432 | Park brake linkage A park brake linkage includes a pivotable park brake actuating handle, a park brake bell crank rotatably mounted on a cross shaft, an arm extending radially from the park brake bell crank, and a single connector between the handle and the firs arm to transmit pivoti... | 04/04/2006 |
| 6659245 | One wheel brake system of automobile This is a new brake system for minimizing the turning radius of a vehicle when it makes a U-turn or parks. The minimum turning radius of a conventional vehicle has a certain limit because a conventional vehicle takes the Ackerman-Jeantaud steering princip... | 12/09/2003 |
| 6609370 | Dual hydraulic booster assemblies for vehicle hydraulic braking systems A dual hydraulic booster assembly for a braking system of a tractor or like vehicle has a logic valve operable in a first mode to control the supply of pressure fluid for braking on one side of the vehicle to facilitate steering, and in a second mode of o... | 08/26/2003 |
| 5531512 | Brake system for a motor vehicle A brake system for a motor vehicle selectively brakes single or multiple wheels. The brake system includes a hydraulic master cylinder which is actuated by a brake pedal and which is connected by an electrically controlled valve arrangement to hydraulical... | 07/02/1996 |
| 5190356 | AND-type control valve for a tractor-trailer braking system An AND-type control valve useful in a vehicle braking system to prevent application of the vehicle brakes when only the right-hand or left-hand vehicle brakes are applied for the purpose of steering the vehicle. The control valve has two input flowpaths c... | 03/02/1993 |
| 5172960 | Brake control minimizing the number of brakes activated and optimizing wear conditions A braking system for a vehicle having wheels provided with braking devices, the system causing carbon brakes to wear less than do conventional systems. According to the invention, the system is provided with: an adjustable member for voluntary actuation of bra... | 12/22/1992 |
| 4953917 | Steering-brake system An off-road vehicle has ground supports on each side which can be simultaneously braked, or independently braked to aid in steering. A braking system includes a brake valve device which feeds high fluid pressure to a pair of reversing valves. The reversin... | 09/04/1990 |
| 4923027 | Rear wheel brake operating system for motorcycle In a motorcycle with a pair of left and right steps mounted in a projecting manner on a lower portion of a vehicle body, a pair of left and right brake pedals capable of independently operating the rear wheel brake are pivoted on the vehicle body in close... | 05/08/1990 |
| 4792192 | Automatic brake source select system A brake source select system for selecting one of a plurality of sources of pressurized hydraulic fluid for use in actuating a brake system. The brake source select system (10) includes a primary, secondary and reserve source (20, 22 and 24) of pressurize... | 12/20/1988 |
| 4505519 | Braking system for automobile vehicle formed by a tractor and a trailer According to the invention, the braking system includes two tandem master cylinders (100, 200), the first (100) having a first pressure chamber (110) connected to the left brake (132) of the tractor and a second pressure chamber (112) connected to the tra... | 03/19/1985 |
| 4501451 | Vehicle braking system A selector valve for a vehicle braking system in which brakes mounted on opposite sides of the vehicle can be operated selectively either together or independently, comprises an operating lever (9) for displacing a valve spool (2) to control communication... | 02/26/1985 |
| 4483421 | Vacuum/hydraulic control system for speed synchronization of a pair of shafts A supplemental brake system operates in cooperation with a motor vehicle's extant emergency brake system for selectively slowing a spinning wheel. A selector valve communicates with the vehicle's vacuum system and conduits are sized to cause a delay in th... | 11/20/1984 |
| 4475773 | Steering-brake control arrangement for a vehicle brake system A steering-brake control system for a vehicle in which solenoid operated control valves associated with the respective wheels of at least one axle are normally maintained in an open position, so long as the valve solenoid operators are deenergized. Brakin... | 10/09/1984 |
| 4299136 | Locking system for two brake pedals of a motor vehicle mounted on a common shaft Locking system for two brake pedals of a motor vehicle such as a tractor, for enabling joint and separate actuation of opposite wheel pairs of the type wherein a bolt is utilized to couple the pedals. In accordance with a preferred embodiment, the bolt is... | 11/10/1981 |
| 4258958 | Selective control of fluid to brakes A system for selectively controlling the flow of brake fluid to the brakes of a two or four wheel drive vehicle utilizes a separate solenoid valve on each brake fluid line leading directly to a driven wheel. The valves are normally open, and are operated ... | 03/31/1981 |
| 4223954 | Control valve assemblies for hydraulic braking systems In a control valve assembly for vehicle hydraulic braking systems pressurization of a distributor chamber in a housing is controlled by a valve operating mechanism. The valve operating mechanism comprises a piston working in the distributor chamber, a rec... | 09/23/1980 |
| 4205734 | Hydraulic braking systems for vehicles In a two-pedal hydraulic braking system for vehicles the pedals are operable independently or simultaneously to apply two sets of brakes and both pedals actuate a common master cylinder to apply fluid under pressure to the brakes. Two normally closed sele... | 06/03/1980 |
| 4125234 | Emergency circulating system for an aircraft hydraulic brake system A circulating system for hydraulic brakes having a master cylinder, reservoir for supplying fluid to the master cylinder, a wheel cylinder, and a fluid line connecting the master cylinder with the wheel cylinder. The circulating system includes a pump con... | 11/14/1978 |
| 4022306 | Anti-skid brake system with accelerator control A brake mechanism comprises a cylinder body having a large chamber and a small chamber, a power piston movably positioned in the large chamber and dividing it into a control chamber and a vacuum chamber in communication with each other, a hydraulic piston... | 05/10/1977 |
