Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 7980266 | Soffit vent A one-way soffit vent has an upstream valve seat and a downstream vented cover having a boss extending in the upstream direction. A valve disk is reciprocally mounted on the boss and biased against the valve seat. ... | 07/19/2011 |
| 6422122 | Electronically controllable brake booster The invention utilizes the finding that a pressure variation or pressure difference between two chambers of a brake booster is a parameter of considerable influence on the behavior of a brake booster control valve arrangement in the operation of the brake... | 07/23/2002 |
| 5678603 | Plate valve, particularly for piston compressors A plurality of concentric annular plates (1) are braced against a valve guard (2) by means of radially arranged spring-loaded bridges (5). The guided height (6) of the bridges (5) is at least equal to the maximum lifting height (7) of the annular plates (... | 10/21/1997 |
| 5390698 | Plate-type, unidirectional-flow, fluid control valve A valve seat and valve guard are coupled together, and form a chamber therebetween within which a valving plate moves. A stud secures the seat and guard together, and has a bore formed therewithin for receiving a headed piston. The piston has a projecting... | 02/21/1995 |
| 5249595 | Valve, in particular for a piston-type compressor A valve for a piston-type compressor includes a valve seating with throughflow channels, a closure piece for controlling these channels, a spacer and a spring means urging the closure piece against the valve seating and supported on an arrester which at t... | 10/05/1993 |
| 5072812 | Hydraulic shock absorber A hydraulic shock absorber includes a cylinder, a piston axially slidably fitted in the cylinder so as to divide the interior of the cylinder into a first cylinder chamber and a second cylinder chamber, and a damping force generating mechanism mounted on ... | 12/17/1991 |
| 4924906 | Ring valve The valve plate (6) which is spring-loaded against the valve seat (2) of the ring valve comprises individual annular plates (10) disposed over the passage channels (1) of the valve seat, plus a support plate (11) which lies jointly on all the annular plat... | 05/15/1990 |
| 4862898 | Air flow sensor The invention contemplates an improved air flow sensor including a proximity switch which has a metal disk mounted with respect to the sensing face to be movable by air flow in the action zone of the magnetic field as between a position adjacent the sensi... | 09/05/1989 |
| 4860764 | Air flow sensor The invention contemplates an improved air flow sensor including a proximity switch which has a metal disk mounted with respect to the sensing face to be movable by air flow in the action zone of the magnetic field as between a position adjacent the sensi... | 08/29/1989 |
| 4860765 | Air flow sensor The invention contemplates an improved air flow sensor including a proximity switch which has a metal disk mounted with respect to the sensing face to be movable by air flow in the action zone of the magnetic field as between a position adjacent the sensi... | 08/29/1989 |
| 4811757 | Discharge valve for compressor A compressor discharge valve assembly including a valve seat, a valve cage, and an annular ring-type valve operating therebetween. The valve cage includes a recess into which the valve retracts when in an open position, or in an alternative embodiment, th... | 03/14/1989 |
| 4635849 | Piezoelectric low-pressure fuel injector A piezoelectric fuel injector for use in fuel injection systems of spark-ignition engines is provided with a normally closed valve assembly in the form of a reed valve. The valve assembly includes a valve plate having one or more outlet ports having an ov... | 01/13/1987 |
| 4196746 | Gas compressor valve This invention comprises a compressor valve wherein the area of the tapered port in the inlet seat is larger than the area of the tapered exhaust port in the plates and guard. In addition, the exhaust ports are formed in the plate and guard around the res... | 04/08/1980 |
| 4039002 | Gas compressor valve The invention essentially comprises a compressor valve wherein the area of the tapered port in the inlet seat is larger than the area of the exhaust ports in the plate and guard. In addition, the exhaust ports are formed in the plate and guard around the ... | 08/02/1977 |
| 3971407 | Means for locating suction valve An improved valve assembly for a reciprocating compressor including a valve member having inlet openings, a valve positioned adjacent the valve member being arranged to cover the inlet openings, a valve backing surface dimensioned to allow controlled move... | 07/27/1976 |
| 3945474 | Shock absorber A shock absorber of the direct acting hydraulic type is disclosed as comprising a reciprocable piston having a piston body, the piston body being formed with first and second sets of spaced flow ports, the sets of flow ports being concentrically oriented ... | 03/23/1976 |
