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 |
| 4300666 | Current collecting means in an aerial cableway system A current collecting means in an aerial cableway system collecting electric power for driving a self-propelled aerial carriage, is capable of maximization of the lifetime of a current collecting shoe. The current collecting means comprises a current-carry... | 11/17/1981 |
| 4296197 | Halftone printing system In a halftone printing system, halftone positive prints are made directly from gray scale photographic negatives by an enlarger apparatus which shines a beam of light through the negative and focuses an image of the negative on a sheet of high contrast ph... | 10/20/1981 |
| 4292979 | Allergy testing apparatus Allergy testing apparatus for conveniently and quickly testing a subject's reactions to a plurality of allergens. The apparatus includes needle blocks, cover apparatuses including a layer of closed-cell foam having a smooth skin, and apparatus for removab... | 10/06/1981 |
| 4288241 | Method and apparatus for composting sludge Sludge is composted by arranging the sludge in a pile over a conduit and air is forced into the pile in spaced time intervals and air is drawn from the pile into the conduit in alternate time intervals. The perforated conduits are adapted to be placed under an... | 09/08/1981 |
| 4287146 | Nib-type writing pen and method of manufacture A nib-type writing pen is formed by compressing a plurality of fibers into a bundle, extruding a plastic sheath around the fiber bundle, cutting the sheathed fiber bundle to a suitable length and injecting a urethane prepolymer into one or both ends of th... | 09/01/1981 |
| 4287138 | Direct contact gaseous to liquid heat exchange and recovery system A method is disclosed for recovering and reclaiming heat from a source of relatively hot gases, which are preferably substantially vapor-saturated, by directly contacting the gases with a relatively cooler spray of liquid, such as water, in a heat exchang... | 09/01/1981 |
| 4285596 | Holographic diffraction grating system for rapid scan spectral analysis An improved optical system is disclosed for rapid, accurate spectral analysis of the reflectivity or transmissivity of samples. A concave holographic diffraction grating oscillated at high speed is utilized to provide a rapid scanning of monochromatic lig... | 08/25/1981 |
| 4284304 | Mounting structure for the front side edge of a roof finisher of a vehicle A roof finisher is mounted over the roof panel and the side pillars of a vehicle. The front edge of the part of the finisher mounted over a side pillar is secured to the side pillar by a mounting structure, comprising a first fitting member fixed on the f... | 08/18/1981 |
| 4282841 | Ignition timing control system for an internal combustion engine An ignition timing control system for an internal combustion engine comprises first circuitry for producing a function of the intensity of combustion knock in each cylinder in a sequence, second circuitry for storing the function of each cylinder respecti... | 08/11/1981 |
| 4282114 | Catalyst for polymerizing -olefins Disclosed is a catalyst for polymerizing -olefins which comprises (A) a composition obtained by co-comminuting (a) a magnesium halide, (b) an organic acid ester, (c) a halogenated aliphatic or alicyclic hydrocarbon, (d) at least one ingredient selected from the g... | 08/04/1981 |
| 4281446 | Way of joining a hard and a soft sheet A method and structure for joining a harder to a softer sheet are disclosed. Sharp projections are formed surrounding a hole on the harder sheet, and these projections are penetrated through the softer sheet and then bent back and around so as to engage w... | 08/04/1981 |
| 4280744 | Foldable desk Disclosed is a foldable desk or table comprising a support frame having pivotal support portions in the upper portions of the riser portion thereof, a single rectangular top plate of a length greater than the height of the pivotal support portions from a ... | 07/28/1981 |
| 4280411 | Aerial car suspension In an aerial transport system having an aerial track such as a cableway or tramway and one or more carriages travelling along the track, a structure for suspending the carriage from the track comprising a beam, both ends of which are pivotally connected t... | 07/28/1981 |
| 4279427 | Ski edging device for a ski supported vehicle or the like A ski edging device for a snowmobile includes an articulable joint connected between the snowmobile body and the skis to permit rotation of the skis relative to the body about a steering axis and to permit rotation of the skis relative to the body about a... | 07/21/1981 |
| 4279267 | Fluid flow proportioning device There is provided a proportioning device for connection to a main line carrying a pressurized fluid, for the purpose of introducing into or drawing from the main line a fluid at a rate standing in a substantially constant proportion to the flow rate of th... | 07/21/1981 |
| 4278063 | Internal combustion engine with an exhaust gas purifying system An exhaust gas purifying system for an internal combustion engine including at least one combustion chamber connected to an intake port through an intake valve. The system comprises a first passage for passing a portion of exhaust gases discharged from th... | 07/14/1981 |
| 4277750 | Induction probe for the measurement of magnetic susceptibility The probe comprises two inductance windings mounted in opposition and conted to an a.c. generator, a measurement winding placed at right angles between the two inductance windings and a measurement voltage detector. A compensation winding is placed coaxi... | 07/07/1981 |
| 4276866 | Computer-controlled exhaust gas recirculation system for internal combustion engine In an internal combustion engine having an exhaust recirculation system including a combination of a vacuum-operated recirculation rate control valve and a solenoid-operated vacuum compensating valve, the vacuum compensating valve is controlled by pulse s... | 07/07/1981 |
| 4276863 | Apparatus for controlling the number of enabled cylinders of an internal combustion engine upon deceleration Apparatus for controlling the number of enabled cylinders of an internal combustion engine during deceleration comprises a plurality of comparators responsive to a signal indicative of the engine rotational speed upon deceleration of the engine. The thres... | 07/07/1981 |
| 4275931 | Offset wire wheel A wire wheel center to be affixed to the drop center of a tubeless tire rim comprising a hub concentrically located within a felly and connected thereto by wire spokes. A plurality of portions of said felly are arranged axially and seriatim, with the axia... | 06/30/1981 |
| 4275812 | Surgical glove package and donning method In a surgical glove package, the surgical glove is contained in a cylindrical ring with the cuff of the glove stretched around the ring to open the cuff of the glove. A bag also contained within the ring has its mouth sealed around said ring and encloses ... | 06/30/1981 |
| 4274764 | Mine roof supporting system A stabilizing arrangement for mine roof support systems of the type in which a series of support units, each including a transverse beam supported at opposite ends by extensible props, are interconnected by extensible struts in a manner to be self-advanci... | 06/23/1981 |
| 4274385 | Exhaust gas recirculation system for internal combustion engine An exhaust gas recirculation system for an internal combustion engine for automotive use, wherein a diaphragm-operated recirculation rate control valve adapted to control the exhaust gas recirculation rate depending upon the relationship between the press... | 06/23/1981 |
| 4274382 | Apparatus for performing stepwise reactivation of cylinders of an internal combustion engine upon deceleration The engine crankshaft rotational speed is detected to be compared with stepwise arranged threshold speeds so as to stepwise enable fuel injection valves of respective cylinders during deceleration of the engine. Accordingly, the number of enabled cylinder... | 06/23/1981 |
| 4274108 | Interleaved multiple signal separating circuit Disclosed is an interleaved multiple signal separating circuit in which a luminance signal and a chrominance signal are separated by a circuit for adding a composite video input signal including the luminance signal and chrominance signal which is delayed... | 06/16/1981 |
| 4272959 | Diaphragm breakage condition detecting device for a pressure control device A diaphragm type actuator with a breakage condition detecting function which comprises a diaphragm member partitioning a casing into a first chamber filled with a high pressure and a second chamber exposed to air, and a breakage detecting switch supported... | 06/16/1981 |
| 4271835 | Fluid-expansible contraceptive tampon and applicator A method and apparatus for contraception wherein an applicator houses a fluid-expansible, hydrophilic, tampon material in its unactivated, compressed state separate from a reservoir of spermicide or medicament. The applicator preferably includes a manuall... | 06/09/1981 |
| 4271453 | Igniter with coupling structure An igniter is disclosed having a heat generator responsive to an ignition signal for igniting powder. comprises a first connector insulatingly supporting a first pair of electrical conductions having their one ends connected across the heat generator, fil... | 06/02/1981 |
| 4268355 | Paraseismic device for the handling hood of a nuclear reactor Paraseismic device for a handling hood of a nuclear reactor, comprising an enclosure with a vertical axis connected to a lock communicating with a passage provided in a slab located in the upper part of the reactor. According to the invention the device compri... | 05/19/1981 |
| 4266824 | Weatherstrip retainer unit for automobiles and roof construction which accommodates well to installation of roof rack A weatherstrip retainer unit and a roof construction using the weatherstrip retainer unit are disclosed. The weatherstrip retainer unit comprises a retainer section and an integral molding section. The roof construction is designed to accommodate well to ... | 05/12/1981 |
| 4266128 | Electron microscope with optical microscope A combination of electron microscope and optical microscope. The optical microscope is juxtaposed adjacent to the electron microscope so that the optical and lens axes of respective microscopes extend in parallel to each other. A specimen transfer mechani... | 05/05/1981 |
| 4265248 | Differential olfactometer Differential olfactometer comprising two atomizers located on either side of a nasal support and respectively associated with a circuit for supplying olfactory stimuli, a retractable antidiffusion device which hides the atomizers during the intervals betw... | 05/05/1981 |
| 4264205 | Rapid scan spectral analysis system utilizing higher order spectral reflections of holographic diffraction gratings An improved optical system is disclosed for rapid, accurate spectral analysis of the reflectivity or transmissivity of samples. A concave holographic diffraction grating oscillated at high speed is utilized to provide a rapid scanning of monochromatic lig... | 04/28/1981 |
| 4263578 | Belt drive connection malfunction sensor An A.C. voltage picked up from the alternator driven by an internal combustion engine is converted into a pulse train signal so that the number of the pulses is counted for a period of time defined by a reference timing signal produced in synchronization ... | 04/21/1981 |
| 4260262 | Grain quality analyzer An improved grain quality analyzer, for analyzing the percentage concentration of various constituents, e.g. protein and water, in a grain sample, photo-optically measures the change in the optical density of the sample, Ɗ OD, in a range of characteristi... | 04/07/1981 |
| 4258919 | Five-suit game dice Set of five game dice, the faces of which have the reproduction of six symbols in scale similar to those of standard playing-cards; on the various dice the symbols have with respect to the faces the same arrangement, but a different combination of five di... | 03/31/1981 |
| 4258707 | Therapeutic traction apparatus for applying traction to a patient by means of a drawing cable A traction apparatus for medical purposes, wherein an adjustable traction generated by an electromotor is transmitted to the body of a patient by means of a drawing cable. The traction appearing in the drawing cable is continuously measured and compared w... | 03/31/1981 |
| 4256845 | Porous sheets and method of manufacture A porous thermoplastic sheet is formed by adding a material to a polymer latex to passivate the aqueous phase of the latex. An additional material of a preselected particle size, corresponding to the desired pore size of the final product is then added. T... | 03/17/1981 |
| 4255465 | Method of producing Josephson-effect junctions This invention relates to a method of producing a Josephson-effect superconductive junction. The method is characterised in that a superconductive refractory material is applied as a thin and uniform deposit to an insulating substrate, the deposit is defi... | 03/10/1981 |
| 4255005 | Electrical connector assembly An electrical connector assembly for providing electric connections to an assembly of a plural number of electrically operating instruments which are to be mounted jointly in a predetermined position on a panel structure like an instrument panel of a moto... | 03/10/1981 |
