Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
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| Number | Title | Issue Date |
| 7739940 | Directional control valve device and fluid pressure cylinder device In a directional control valve device, a first passage connects a second port with a first port by using a part of a movement path of a moving valve element when the moving valve element is in a position of a first end. A second passage connects the second port with... | 06/22/2010 |
| 7200993 | Electro-hydraulic steering control system An electro-hydraulic steering control system for directing fluid to steering actuators on a work machine may include a main valve configured to control fluid flow to the steering actuators. Left and right primary steering valves may be in communication with and conf... | 04/10/2007 |
| 7168192 | Driving device, particularly a lifting device for a working vehicle The invention concerns a driving device, particularly a lifting device for a working vehicle, with a hydraulic drive, in the form of a motor with a first connection and a second connection, a pump, a control valve arrangement between the pump and the drive, and an o... | 01/30/2007 |
| 7107766 | Hydraulic pressurization system The present invention relates to a hydraulic pressurization system, in particular for application to pressurization devices operating in accordance with the high hydrostatic pressure principle. In particular, the present invention provides a pressurization system fo... | 09/19/2006 |
| 7093462 | Multi-way valve and refrigerating machine with multi-way valve A multi-way valve, particularly for a refrigerant circuit, includes a housing having a number of inlets and outlets and a chamber with a number of seats respectively associated with an inlet or outlet. The multi-way valve also includes a closing element that can mov... | 08/22/2006 |
| 7036421 | Driving device, particularly lifting device for a working vehicle The invention concerns a driving device, particularly a lifting device for a working vehicle, with a drive in the form of a hydraulic motor, the drive having a first connection and a second connection, a pump and a control valve arrangement between the drive and the... | 05/02/2006 |
| 6923209 | Liquid pressure control system In a liquid pressure control system including a spool-type control valve mounted between a liquid pressure source and an actuator in such a manner that an output liquid pressure from the liquid pressure source is controlled in accordance with a thrust exhibited by a... | 08/02/2005 |
| 6357560 | Servo assembly for operating a brake band in an automatic transmission vehicle A servo assembly 22 for selectively engaging a brake band 14 in an automotive vehicle is disclosed. Servo assembly 22 includes a piston 26 at least partially encased in a housing 24 and a first and second supply 111, 132 of hydraulic fluid which selective... | 03/19/2002 |
| 6354327 | Automatic position-control valve assembly According to principles of this invention, an override controller is structured for being placed in pressurized fluid lines between a valve position transducer and a valve position actuator of an automatic position-controlled valve assembly, with the over... | 03/12/2002 |
| 6349628 | Helix thruster Helical thruster having a housing, a piston movable axially within the housing between retracted and extended positions, and an output member rotatively mounted on the housing. Pressurized fluid is applied to the piston to drive the piston from the retrac... | 02/26/2002 |
| 6283488 | Device for stabilizing the lower steering arms of a tractor The invention relates to a device for stabilizing the two lower steering arms (1) of a tractor. The lower steering arms (1) can be actuated by a hydraulic power lift (9). Each lower steering arm (1) is associated with a side strut (6) which includes a sin... | 09/04/2001 |
| 6260467 | Hydraulic circuit providing plural swing rates in an earthworking construction machine A construction machine, e.g., a backhoe, has a chassis and a digging tool mounted for movement, e.g., swinging movement, with respect to such chassis. A machine hydraulic circuit includes a pump, a hydraulic actuator coupled to the tool for tool movement,... | 07/17/2001 |
| 6192781 | Assembly for reversing a fluid driven motor An assembly for reversing a fluid driven motor. The assembly includes a fluid driven motor, and a reversing valve that reverses inlet and exhaust porting to and from the fluid driven motor. An actuation device opens an actuation valve and a fluid supply v... | 02/27/2001 |
| 5791227 | Control valve A control valve is disclosed which is capable of supplying a required control pressure to an actuator such as a brake booster, for example. The control valve includes a valve mechanism within a housing, and the valve mechanism comprises a piston which is ... | 08/11/1998 |
| 5711403 | Rapid apply servo for a brake band of an automatic transmission A servo for operating a brake band in an automatic transmission includes a transmission casing and servo cover defining a servo cylinder, a servo piston supported for displacement within the cylinder, first and second sealed volumes within the cylinder, a... | 01/27/1998 |
| 5704694 | Traction control device for vehicle A traction control device includes a vacuum booster connected to a master cylinder. The master cylinder is in fluid communication with a driven wheel brake and a non-driven wheel brake via respective first and second solenoid valves. When the brake tracti... | 01/06/1998 |
| 5644915 | Control system for a hydraulic press brake A control system for controlling the movement of the ram of a press or press brake of the type having one or two main cylinders with pistons operatively attach to the ram. The control system comprises a programmable processor with inputs from a pressure t... | 07/08/1997 |
| 5526729 | Booster of gaseous pressure type The present invention provides a booster of the gaseous pressure type. The booster of the gaseous pressure type comprises: a power piston dividing the inside of a shell between a constant pressure chamber the inside of which is maintained in an approximat... | 06/18/1996 |
| 5476029 | Pneumatic booster having vacuum and pressurized air sources A pneumatic booster comprises a piston dividing a housing into front and rear chambers, the front chamber being is constant communication with a vacuum source, the rear chamber being selectively supplied with an atmospheric pressure source or a compressed... | 12/19/1995 |
| 5308215 | Passenger lift movable at variable speeds A hydraulic drive passenger lift with distinct lifting "up and down" (loading, unloading) and "fold-unfold" (storage) motion patterns, includes a flow control structure that accommodates various hydraulic flows, somewhat unrestricted for "up-and-down" mov... | 05/03/1994 |
| 5113655 | Apparatus and method for removing liquid condensate from a compressed-air system An apparatus and method are disclosed for the simple removal of liquid condensate, in particular of water of condensation, from compressed-air systems alternately subjected in operation to positive pressure and atmospheric pressure. The compressed-air sys... | 05/19/1992 |
| 5076141 | Liquid pressure booster A liquid pressure booster which may be used in a brake booster or the like is disclosed. A second supply passage is provided which allows a power chamber of the liquid pressure booster to communicate with an external source of pressure fluid without passi... | 12/31/1991 |
| 5067534 | Spindle drive for a veneer lathe The invention concerns a spindle drive for a veneer lathe. In view of reducing the mobile masses of the drive gear equipment making the lathe better adaptable to different log lengths, the opposite spindles in the lathe are provided with drive motors of t... | 11/26/1991 |
| 5044255 | Brake regulator with second boost chamber The vacuum servomotor comprises a main casing (12) divided sealingly on the inside into first and second chambers (10, 20) by a flexible membrane (9) bearing on a rigid disk (7) integral with an activating piston (3). The first chamber (10) is subjected t... | 09/03/1991 |
| 5016672 | Steering controller with integral parallel control A fluid controller (11) is provided of the type including a primary, rotatable spool valve (35) and a relatively rotatable follow-up sleeve valve (37). The spool and sleeve define a main fluid path in response to relative rotation, the main fluid path inc... | 05/21/1991 |
| 4955195 | Fluid control circuit and method of operating pressure responsive equipment A fluid control circuit and method of operating equipment such as a blowout preventer having a two-way hydraulic piston and cylinder assembly. The circuit includes various features such as a dual pressure level independently controlled fluid supply, a ded... | 09/11/1990 |
| 4930401 | Valve system and arrangement for on-line valve replacement Several embodiments are disclosed of an automatic shutoff valve apparatus for permitting removal, repair, or replacement of a control valve from a mounting base without deactivating a complete system. In addition, a redundancy arrangement is disclosed whe... | 06/05/1990 |
| 4858646 | Hydraulic pressure control device for clutch for controlling drive torque distribution in four wheel drive device The hydraulic pressure for operating the two wheel drive/four wheel drive switchover clutch in the part-time type four wheel drive device or the central differential lock-up clutch in the full-time type four wheel drive device is produced by a combination... | 08/22/1989 |
| 4827830 | Chassis towveyor cart A towveyor cart for use in hoisting an object and in particular an object having first and second interconnected portions from a first level to a fully raised level. The towveyor cart has control means which include a main control valve for simultaneously... | 05/09/1989 |
| 4794842 | Valve means for connecting at least one consumer to a hydraulic pressure line For connecting servohydraulic linear or rotation drives to a line with impressed pressure a valve means is provided which shuts off the pressure-carrying lines in leakage-free manner and connects the consumer line pressure-free to the tank. For a trial se... | 01/03/1989 |
| 4778225 | Brake vacuum modulator traction control with pressure source variable as function of engine load during incipient wheel spin conditions A vehicle braking system equipped with an adaptive braking system with traction control to control drive wheel slip during vehicle acceleration includes a conventional vacuum brake booster having a vacuum chamber normally connected to engine manifold vacu... | 10/18/1988 |
| 4759256 | Tensioner recoil control apparatus Apparatus for controlling fluid communication with a fluid pressure system includes parallel flow paths connected to the system. A first flow path includes first valve apparatus for selectively closing the flow path. The second flow path includes relief v... | 07/26/1988 |
| 4750406 | Hydraulic power booster A hydraulic power booster, in particular for the actuation of a master cylinder in a brake system of an automotive vehicle is disclosed including a pressure fluid source, a valve assembly by means of which the pressure fluid is adapted to be introduced in... | 06/14/1988 |
| 4711089 | Hydraulic system for aircraft A hydraulic system for an aircraft to provide improved reserve capability for the thrust reverser power system. There is a fluid reservoir having a vent tube with an inlet location located above the bottom wall of the reservoir. In the event that fluid in... | 12/08/1987 |
| 4706545 | Brake valve infinitely variable pressure intensification In a brake valve of the type in which a given ratio is maintained between a master pressure developed by a brake pedal and an actual brake pressure, an arrangement is provided for continuous, rather than stepwise, adjustment of this ratio. The brake valve... | 11/17/1987 |
| 4704865 | Hydraulic reserve system for aircraft A hydraulic system for an aircraft to provide improved reserve capability for the steering and reserve brake power system. There is a fluid reservoir having a vent tube with an inlet location located above the bottom wall of the reservoir. In the event th... | 11/10/1987 |
| 4681196 | Control circuit for brake booster vehicular hill holder system A brake booster (10, 210, 310) connected to a control circuit (120) provides a system for the continued braking of a vehicle when the vehicle is situated on an incline and the brake pedal (92) is released by the operator. Continued brake application is ac... | 07/21/1987 |
| 4667471 | Brake booster for vehicular hill holder system A brake booster (10, 210, 310) connected to a control circuit (120) provides for continued braking of a vehicle when the vehicle is situated on an incline and the brake pedal (92) is released by the operator. Continued brake application is accomplished by... | 05/26/1987 |
| 4624622 | Fail-safe system for a reversible pump-turbine apparatus A fail-safe system is used in a control unit for opening and closing guide vanes of a pump-turbine apparatus operable in both of pump operation mode and turbine operation mode. The fail-safe system has a wire carried by a rotatable sheave adapted for tran... | 11/25/1986 |
| 4606257 | Electropneumatic drive system for crust breaking devices and process for operating the same The drive system for cells for fused salt electrolytic production of aluminum is supplied with compressed air via a compressed air network with compressor and compressed air reservoir. It comprises at least one working cylinder with piston and piston rod,... | 08/19/1986 |
