Bizarre Patents
Apparatus for Simulating a High Five
A self-righting hand-arm configuration which is adapted to pivot when struck by a user, thereby simulating a "high five."
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| Number | Title | Issue Date |
| 7461582 | Device comprising a combination of a chamber and a piston The object of the invention is to provide a reliable and inexpensive combination of a chamber and a piston to be used in any device where such a combination is needed so that it complies with specific demands towards the operation force for e.g. pumps, specifically ... | 12/09/2008 |
| 7421939 | Combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination A piston-chamber combination comprising an elongate chamber which is bounded by an inner chamber wall and comprising an elastically deformable piston comprising a container in said chamber to be sealingly movable relative to said chamber at least between first and s... | 09/09/2008 |
| 7353746 | Two-stage hand pump A hand pump for inflating rafts or similar inflatables has a first piston with a relatively low pumping volume which is capable of pumping relatively small volumes of air into a raft as the raft becomes full and is approaching its maximum pressure, and a second pist... | 04/08/2008 |
| 7032574 | Multi-stage intensifiers adapted for pressurized fluid injectors Multi-stage intensifiers for injectors of pressurized fluid (e.g., fuel) allowing selection of intensified injection fluid pressure and thus fluid injection flow rate by selectively applying actuating fluid supply pressure to one or more of the multi-stage intensifi... | 04/25/2006 |
| 7011010 | Free piston device with time varying clearance seal A free piston device which is particularly applicable for use with a linear motor for providing acoustic energy to a cryocooler for generating refrigeration at cryogenic temperatures which comprises a time varying clearance seal to counteract piston drift. ... | 03/14/2006 |
| 6978711 | Combination of a chamber and a piston, a pump, a motor, a shock absorber and a transducer incorporating the combination A combination of a piston and a chamber, wherein the chamber defines an elongate chamber having a longitudinal axis, the chamber having, at a first longitudinal position thereof, a first cross-sectional area thereof and, at a second longitudinal position thereof, a ... | 12/27/2005 |
| 6915731 | Cylinder piston drive A cylinder-piston drive, e.g., an hydraulically controlled actuator for actuating a gas-exchange valve of an internal combustion engine, has an operating piston that is displaceable inside a cylinder and delimits pressure chambers by piston sides facing away from on... | 07/12/2005 |
| 6668777 | Arrangement for the relative angle-of-rotation adjustment of a camshaft of an internal-combustion engine with respect to a driving wheel An arrangement is provided for relative angle-of-rotation adjustment of a camshaft of an internal-combustion engine with respect to a driving wheel. An interior part, non-rotatably connected with the camshaft, has at least approximately radially extending... | 12/30/2003 |
| 6332392 | Dual nested plunger transfer molding system and method therefor A dual nested plunger transfer molding system. The dual nested plunger transfer molding system, comprises: a transfer plunger having a piston chamber internally, co-axially, positioned, integral within the transfer plunger; and a co-axial plunger slidably... | 12/25/2001 |
| 5477932 | Impact device An impact device includes a cylinder and a plunger which is received within the cylinder and movable in forward and rearward directions. The plunger includes a first and a second pressure receiving surface for receiving pressure of a pressurized fluid so ... | 12/26/1995 |
| 5440968 | Variable force cylinder device A variable force cylinder device with a piston reciprocated by a pressurized fluid in a cylinder chamber, in which the piston has a large-diameter portion and a small-diameter portion, the cylinder chamber has a large-bore portion corresponding to the lar... | 08/15/1995 |
| 5317954 | Pressure switch assembly The present invention provides a pressure switch assembly for monitoring a source of fluid pressure. In one embodiment, the pressure switch assembly senses a variation of fluid pressure for actuation of a micro-switch to open or close an electric circuit.... | 06/07/1994 |
| 4986357 | Well tool having a variable area hydraulic actuator A subsurface well tool having a hydraulic piston and cylinder assembly actuator which is adapted to be connected to and controlled by a hydraulic control line extending to the well surface. The assembly has a cross-sectional area exposed to the hydraulic ... | 01/22/1991 |
| 4723479 | Hydraulic tool system A system of hydraulic tools utilizing removably, replaceable and substantially interchangeable valve assemblies, fluid reservoirs and hydraulic driving mechanisms. The fluid reservoir maintains the hydraulic fluid under moderate pressure. The valve assemb... | 02/09/1988 |
| 4452126 | Pneumatic drive A pneumatic drive has at least one working cylinder composed of a pair of parallel stationary walls and a pair of walls which extend at right angles to the first pair and are movable relative thereto, towards and away from each other. This varies the volu... | 06/05/1984 |
| 4080871 | Pressure medium servo motor, especially for servo steering systems A pressure medium servo-motor, especially for servo-steering systems, in which a working piston operating in a working cylinder is provided with a piston pressure surface actuatable by the pressure in one working pressure chamber of the working cylinder f... | 03/28/1978 |
| 3995535 | Expansible chamber device An expansible chamber device in which a cylinder of preferably rectangular configuration supports a pair of opposing flaps pivotally attached to the corners of the cylinder. The flaps sealably and slidably engage the top surface of a piston disposed withi... | 12/07/1976 |
