Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7357416 | Device for stabilizing a single-track vehicle and single-track vehicle comprising such a device The device for stabilizing a single-track vehicle comprises a supporting device (4) and an adjusting device (14) which is intended for selective lowering and raising of support elements and which can be actuated by way of a control device (10). ... | 04/15/2008 |
| 6632496 | Thermal insulation system for protecting fluid lines and method for making same A thermal insulation system includes two separate components for providing protection against both thermal and radiative conduction of energy, is easily installed, capable of easily fitting multiple substrate diameters, space-saving and lightweight, and d... | 10/14/2003 |
| 6590952 | Reactor manual control system In a boiling water reactor controlling each control rod hydraulically by driving a solenoid valve, the control system comprises an operation control means 41 having a duplicated data processing unit for generating sequence patterns based on the timing of ... | 07/08/2003 |
| 5960696 | Hydraulic cylinder with press-fitted pipe It is intended to dispense with the pipe welding work, thereby improve the pipe mounting performance and prevent contamination which results from welding, and elimination the waste of oil. A spigot portion 34 is mounted upright integrally in the center of the ... | 10/05/1999 |
| 5735187 | Pneumatical piston-cylinder unit having a hydraulic control means A pneumatic piston-cylinder unit has a cylinder (1) in which an air piston (4) with a tubular piston rod (5) is reciprocably actuated by compressed air from two main air channels (18, 19). The air cylinder (1) includes an integrated hydraulic control syst... | 04/07/1998 |
| 5458047 | High speed pneumatic servo actuator with hydraulic damper A hydraulic damper for a high speed actuator is provided to bring the actuator to rest with minimum oscillation around a target position. The hydraulic damper comprises a hydraulic circuit to communicate with the actuator over its entire positional range ... | 10/17/1995 |
| 5373923 | Rotary motor with counterbalanced torque arm A rotary motor with a counterbalanced torque arm adapted to be mounted within an auger housing. The torque arm is mounted on the stationary cylinder block of the motor which extends radially outwardly from the access of the cowling and is attached to the ... | 12/20/1994 |
| 5271314 | Raisable anti-crash shock absorber The shock absorber comprises a strut, a sliding rod slidably mounted relative to the strut and co-operating therewith to define both a shock absorbing chamber and a raising chamber which is connected to a member for feeding it with raising liquid, a dip t... | 12/21/1993 |
| 5161449 | Pneumatic actuator with hydraulic control The present invention provides a pneumatically powered actuator having hydraulic control for both locking and controlling the velocity of an output rod without any sponginess. The invention includes a double-acting pneumatic actuator having a bore, a pist... | 11/10/1992 |
| 5007327 | Servo actuator A hydraulic servo actuator adapted to control a driven member in accordance with an operation of a servo circuit through which servo oil flows comprises a main cylinder and an associated piston, associated piston being reciprocable within the cylinder and... | 04/16/1991 |
| 4805517 | Gas return railway car hydraulic cushioning unit and method of converting a spring return unit A railway car hydraulic cushioning unit prevents the mixing of gas and hydraulic fluid in chambers interiorly and exteriorly of a high pressure cylinder unit by strategic placing of metering ports through the cylinder wall at positions below the level of ... | 02/21/1989 |
| 4759262 | Apparatus for restraining rotary motion of a motor component The invention is an apparatus that allows a motor to move in any one of three linear directions, but it restrains rotary motion of the motor housing. In practice, the motor is used for driving a pump or some other rotary motion device. The device includes... | 07/26/1988 |
| 4526088 | Fluid-operated actuating device A fluid-operated actuating device of the type including an actuating cylinder member, an axially movable actuating piston rod member, and actuating fluid connection means for introducing actuating fluid to and removing actuating fluid from the actuating c... | 07/02/1985 |
| 4442754 | Robotics positioning system In this fluid powered positioning system, a sliding assembly includes a slide plate that moves linearly with respect to a frame. A plurality of "working" linear cylinder actuators are mounted to the frame. Each includes a piston and a rod which extends th... | 04/17/1984 |
| 4422294 | Hydraulic actuating and locking device A hydraulic actuating and locking device includes a locking piston within a cylinder, an actuating piston within a cylinder in the rear surface of the locking piston and a pressure multiplier connected to the space behind the piston. A passage, constituti... | 12/27/1983 |
| 4272225 | Electromagnetically-operated fixed displacement pump In an electromagnetically-operated fixed displacement pump, a lubricating oil storage tank and a communicating hole with one end opening upon the bottom of the tank are formed in a pump body, the other end of the hole in the pump body communicating with o... | 06/09/1981 |
| 4168800 | Combination hydraulic cylinder and shock absorber A combined hydraulic cylinder and shock absorber used in combination with a cantilever supported boom having a plurality of longitudinally spaced discharge nozzles thereon for flowable material with one end of the boom being pivotally supported from a veh... | 09/25/1979 |
| 4145959 | Constant speed actuator A constant speed actuator significantly characterized by being able to produce a displacement at constant speed, even though the loading on a hydraulically damped piston is substantially varied. The actuator consists of a pneumatic driving pressure which ... | 03/27/1979 |
| 4125060 | Damped fluid pressure valve operator with selective back seat An actuator, in which fluid pressure on a piston advances a stem against retractive force provided by a spring, a hydraulic dashpot is provided for the stem, and a stroke varying cushion is used for preventing engagement of a back seat between the stem an... | 11/14/1978 |
| 3959968 | Steering valve with linear spool dampening The invention is concerned with an improvement in a fluid controller for a power steering system which includes a housing having a fluid A for connection to the discharge side of a main fluid pump, an outlet for connection to the suction side of the main ... | 06/01/1976 |
