Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7798292 | Engine noise baffle for tractor brake shaft An engine noise engine noise baffle for a tractor brake shaft that extends laterally through openings in an engine compartment wall. The engine noise engine noise baffle has a cup-shaped portion pressed against the interior surface of the engine compartment wall, an... | 09/21/2010 |
| 6820516 | Adjusting device for wheel brake cables of a manually-operated parking brake In an adjusting device for wheel brake cables of a manually-operated parking brake, said cables are held in a yoke and are connected by means of the deflection element to a cable, which is fastened to a foot pedal for actuation. Through the intermediary of an adjust... | 11/23/2004 |
| 6478252 | Aircraft braking systems An aircraft braking system for a main undercarriage or undercarriages incorporates at least two brakes, which may be carbon type brakes, and a control unit for selectively disabling at least one brake during taxiing only, the control unit being arranged t... | 11/12/2002 |
| 6398162 | Aircraft braking systems An aircraft braking system for a main undercarriage or undercarriages incorporates at least two brakes, which may be carbon type brakes, and a control unit for selectively disabling at least one brake during taxiing only, the control unit being arranged t... | 06/04/2002 |
| 6220397 | Anti ice skidding apparatus An anti ice skidding apparatus for providing resistance to lateral forces acting on a vehicle. The anti ice skidding apparatus includes a disc chassis, a device for engaging a roadway pivotally connected to the disc chassis and a device for securing the d... | 04/24/2001 |
| 5752587 | Auxiliary braking system An auxiliary braking system including a brake. A hydraulic arm is secured to a frame of the automobile. The hydraulic arm has a free end secured to the brake. The hydraulic arm has an up line and a down line extending outwardly therefrom. A pump is secure... | 05/19/1998 |
| 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 |
| 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 |
| 4951958 | Swingable skateboard with two brake assemblies A swingable skateboard includes a base board, and a handle assembly retained firmly on the leading end portion of the base board. The base board has a movable tail end. The front rollers are mounted on the crank arm of a crank member which is journalled o... | 08/28/1990 |
| 4892360 | Brake activation apparatus and power drive unit therefor The brake activation apparatus comprises first and second brake devices capable of being selectively applied, a shifting mechanism for selectively applying either the first or second brake device and not the other, a mechanism for overriding the shifting ... | 01/09/1990 |
| 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 |
| 4760901 | Hydraulic braking system particularly useful in human powered vehicles A hydraulic braking system for braking a driven device, particularly a human powered vehicle, comprises a hydraulic pump, a clutch coupling the hydraulic pump to the driven device when the clutch is actuated, a hydraulic circuit for a liquid including a f... | 08/02/1988 |
| 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 |
| 4408805 | Control valve assemblies for hydraulic braking systems In a dual hydraulic braking system in which brakes on opposite sides of a vehicle can be applied simultaneously for retarding or independently for steering the vehicle, a dual control valve assembly ensures that the brakes on one side cannot be applied be... | 10/11/1983 |
| 4402478 | Process and device for braking a wide-track aircraft taxiing on the ground The invention relates to a process and device for braking an aircraft taxiing on the ground. According to the invention, links are provided between the left-hand pedal and the right-hand brakes and, inversely, between the right-hand pedal and the left-han... | 09/06/1983 |
| 4400039 | Electro-hydraulic brake system having electric control means A brake system for a vehicle having a pair of brakes each being spring-applied and hydraulically released. A two-position brake valve is disposed between a source of fluid and the brakes. At normal position, the brake valve allows to connect the brakes to... | 08/23/1983 |
| 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 |
| 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 |
| 4205735 | Means for preventing one wheel spin out of automotive drive wheels A method and apparatus for alternately braking a pair of drive wheels on an automotive vehicle to increase the total tractive effort of thevehicle, by preventing the spinning of a drive wheel which is on ice, in mud, on a slippery spot, and the like. An e... | 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 |
| 4054187 | Wheel-braking device for motor vehicles A pivoted rocker attached to a conventional hand-brake lever enables either of two wheels of a motor vehicle to be braked via the respective brake cable and braking mechanism to aid in freeing the vehicle when that wheel is spinning for lack of traction.... | 10/18/1977 |
| 3935932 | Brake operating systems An agricultural tractor has individually operable near-side and off-side brakes with respective brake levers. Said levers are disposed one at each side of a master lever, the three levers being pivotable about a common axis and each provided with a foot p... | 02/03/1976 |
