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 |
| 5107637 | Transit shelter with self-contained illumination system A shelter structure includes a photovoltaic illumination system. A pair of translucent, spaced-apart panels define an interior volume which houses and protects the lamps, batteries and illumination circuitry of the system.... | 04/28/1992 |
| 5107701 | Fuel injector testing harness An electrical wiring harness for testing the fuel injection system of an internal combustion engine, consisting of a collection of individual wiring pairs interposed between the vehicle electronic control unit and the individual fuel injectors, and a seri... | 04/28/1992 |
| 5097292 | Film drive system for photographic printers The invention is an improved removable film transport for photographic equipment. A roll of film is transported through the drive by a drive reel, a take-up reel, and a supply reel. The drive allows the presentation of a selected frame from the roll of fi... | 03/17/1992 |
| 5092125 | Seal An annular elastomeric seal, a piston utilizing the seal, and a fluid cylinder assembly utilizing the seal. The seal includes an axially forward portion defining a circumferentially inner and a circumferentially outer deflectable lip seal and an axially r... | 03/03/1992 |
| 4993259 | Method and apparatus for testing prefilled hydraulic systems A method and apparatus for testing hydraulic systems of the type including a prefilled hydraulic cylinder member having a bore, conduit means communicating with the bore proximate one end of the bore, and a piston member positioned within the bore. The te... | 02/19/1991 |
| 4962041 | Method and apparatus for automatic processing and analyzing of blood serum A method and apparatus for processing and analyzing blood serum includes a capacitive sensing unit for receiving centrifuged test tubes and generating output signals indicative of the boundary position between the separator gel and the blood serum in the ... | 10/09/1990 |
| 4959188 | Method for forming a hydraulic cylinder assembly A method of forming a hydraulic cylinder assembly utilizing a plastic material for the cylinder body. The method includes forming the cylinder body in a first molding operation and simultaneously molding one or more external walls on the exterior of the c... | 09/25/1990 |
| 4953972 | Range dispersion sensor A range dispersion sensor operative to detect objects of a preselected height "h" operates on quarterwave interference principles. Electromagnetic energy is modulated at a first frequency f1 such that objects of the preselected height h dispose... | 09/04/1990 |
| 4952300 | Multiparameter analytical electrode structure and method of measurement An ion sensitive electrode device and method of its use in analytical and clinical chemistry are provided for measuring the concentration of an ionizable analyte contained in an aqueous medium. The device with external circuit means includes an electrode ... | 08/28/1990 |
| 4949827 | Concentrically mounted hydraulic clutch actuator A concentric hydraulic actuator for use with a manual transmission motor vehicle of the type in which the actuator housing moves in response to depression of the clutch pedal and the associated piston remains axially affixed. The housing of the actuator i... | 08/21/1990 |
| 4949590 | Hydraulic cylinder assembly A control assembly for a motor vehicle including a bracket; a hydraulic cylinder assembly including a cylinder mounted on the bracket and a piston rod projecting out of the cylinder; and a pedal assembly including a pedal arm mounted for pivotal movement ... | 08/21/1990 |
| 4941230 | Portable tacking system A portable tacking unit includes a hand-held tacking head having a cylindrical brush operatively communicating with a central suction unit via a flexible conduit. The unit is readily adapted to electrostatically attract, and remove fine dust particles fro... | 07/17/1990 |
| 4941323 | Hydraulic cylinder provided with a seal-less piston A hydraulic cylinder having an internal groove in which is disposed a seal member peripherally engaging a seal-less reciprocable piston. In one form, the hydraulic cylinder is a master cylinder having a valved port in fluid communication with a source of ... | 07/17/1990 |
| 4937665 | Apparatus for promoting the vigilance of a vehicle operator using monocular display The present invention is heads up display for use in a ground vehicle. A video program source and a display device produce a set of visual images which are reflected to only one eye of the driver via a mirror disposed on the windshield at a position sligh... | 06/26/1990 |
| 4936451 | Container with sleeve interlocking latch A plastic reinforcing structure for use with a container of the type including a corrugated sleeve adapted to be removably attached to a plastic pallet or base member by the use of sliding latch members coacting with slots in the lower peripheral portion ... | 06/26/1990 |
| 4936345 | Connector for modular prefilled hydraulic control apparatus A hydraulic control apparatus, having a master cylinder, a slave cylinder and a conduit connecting the master cylinder to the slave cylinder, is made of separate modular units interconnectable by leakproof connectors. The apparatus is prefilled with hydra... | 06/26/1990 |
| 4936428 | Electric clutch actuator An electric actuator for use in engaging and disengaging the clutch of a manual transmission motor vehicle. The actuator comprises an electric motor which is sized to be positioned within the housing of the clutch. The motor includes an annular armature a... | 06/26/1990 |
| 4934815 | Aperture sampling coherence sensor and method In a speckle imaging process, the contribution of non-uniform, incoherent background illumination is removed via an aperture sampling technique. A pair of uncorrelated speckle images are produced and subtracted from one another to eliminate the non-cohere... | 06/19/1990 |
| 4934093 | Landscape edging Landscape edging for defining a border proximate plant life comprises a generally planar member, an interior flange generally parallel to the plane of the member extending along a first portion thereof, and an exterior flange generally parallel to the pla... | 06/19/1990 |
| 4933691 | Surveillance camera support A vehicular mounted support for cameras or other optical devices comprises a support pillar attachable to the window of the vehicle and having a spacer to steady the pillar in at least partially spaced-apart relationship with the window. The pillar suppor... | 06/12/1990 |
| 4930203 | Clinching tool A clinching tool including a punch and a die assembly. The die assembly includes a collet, a pin, and a split bushing. The collet includes a lower base portion and upstanding circumferentially spaced spring fingers. The split bushing is received within th... | 06/05/1990 |
| 4930847 | Multicolor holographic element and apparatus for head-up display applications A method for producing multicolor holographic optical elements useful in presentation of multicolor holographic images in a head-up display (HUD) system. Because of restricted geometries, such HUDs should allow for reconstruction of wavefronts employing a... | 06/05/1990 |
| 4924673 | Master cylinder with parallel-bore reservoir A master cylinder assembly especially adapted for mounting in the passenger compartment of a motor vehicle in association with the clutch pedal assembly of the motor vehicle. The unit is permanently sealed and is non-serviceable so that no fluid leakage o... | 05/15/1990 |
| 4918921 | Coaxial push rod and hollow screw ball nut drive for master cylinder An electrically driven master cylinder assembly and various vehicle control systems utilizing the master cylinder assembly. Several forms of master cylinder assemblies are disclosed. In the preferred form, the assembly includes an electric DC motor direct... | 04/24/1990 |
| 4919491 | Wheel assembly A wheel assembly especially suitable for use on large heavy refuse carts. The wheel assembly includes an axle which has been heat treated and plated to provide a central core, an outer skin on the central core of substantially increased strength and hardn... | 04/24/1990 |
| 4916932 | Force multiplying press A press for performing a work operation on a workpiece including a yoke defining a central bore, a ram mounted for reciprocal movement in the bore and carrying a fabricating tool on one end of the ram, an air cylinder secured to an end wall of the yoke an... | 04/17/1990 |
| 4918315 | Neutron scatter method and apparatus for the noninvasive interrogation of objects A system and method for the inspection and/or search for concealed objects impinges a monoenergetic neutron beam upon an object, notes the energy distribution of the neutrons scattered from the object and correlates the energy/intensity distribution of th... | 04/17/1990 |
| 4915384 | Player adaptive sports training system An adaptive sports training system accommodates its performance to a player's level of skill. The system is adapted to deliver a ball to a player for return to a target. The system includes a processor programmed to (1) receive information from the target... | 04/10/1990 |
| 4915202 | Concentrically mounted hydraulic clutch actuator A hydraulic clutch actuator for a motor vehicle of the concentric type in which the actuator is mounted concentrically around the transmission input shaft of the vehicle within the housing of the clutch. The actuator includes a housing structure defining ... | 04/10/1990 |
| 4914916 | Tandem master cylinder with electromagnetic position sensors for each piston A brake failure warning system for a dual hydraulic master cylinder for use with a motor vehicle. The warning system employs a pair of Hall Effect magnetic sensors which are positioned on the exterior of a plastic cylinder in association with the two pist... | 04/10/1990 |
| 4915697 | Hypodermic needle assembly A needle assembly especially suited for hypodermic syringe use in which an axially collapsible sleeve is positioned over the needle. The sleeve includes an upper axially rigid portion sized to mount over the base portion of the needle, an axially collapsi... | 04/10/1990 |
| 4912879 | Adjustable door frame assembly An adjustable door frame assembly includes a frame member adapted to fit in a portion of the interior periphery of a door opening and including a raised hat portion having at least one spring clip retained therein. The assembly further includes a trim por... | 04/03/1990 |
| 4911276 | Method of motor vehicle assembly A method of assembling a motor vehicle in which a multicontact switch is provided on the input rod of the master cylinder of a prefilled master and slave cylinder hydraulic apparatus; the master cylinder is positioned in the engine compartment of a vehicl... | 03/27/1990 |
| 4905362 | Clinching tool A clinching tool including a punch and a die assembly. The die assembly includes a collet, an anvil pin, and a backing plate. The collet is formed of a relatively thin flat plate and includes a clinching section adjacent one end of the plate and a mountin... | 03/06/1990 |
| 4906261 | Smoke evacuation system A smoke evacuation system for use in surgical procedures in a surgical area is disclosed comprising a portable evacuation hood configured to be disposed proximate a surgical site for receiving gaseous by-products produced during the surgery. The evacuatio... | 03/06/1990 |
| 4906808 | Tease-free switch A tease-free switch includes a plurality of electrical terminals of planar configuration disposed in spaced apart relationship upon an electrically insulating base as well as a generally planar contact plate including at least two electrical contact regio... | 03/06/1990 |
| 4904423 | Pressure molding process using salt cores and composition for making cores A process for pressure molding an article around a hardened salt mold core made from a mixture of relatively low melting temperature salt and sand wherein the core is removed from the finished article by immersion of the article containing the core into a... | 02/27/1990 |
| 4893472 | Collapsible tubular diaphragm for master cylinder reservoir A hydraulic master cylinder assembly of the type including a reservoir in which a diaphragm is disposed to divide the reservoir chamber into a hydraulic fluid chamber outside of the diaphragm and in communication with the pressure chamber of the master cy... | 01/16/1990 |
| 4891920 | Acoustical wall panel An acoustical wall panel assembly in which each wall panel includes a rectangular metallic frame member, an acoustical core panel fixedly secured within the frame, and a decorative panel. The decorative panel is removably secured to the frame by a plurali... | 01/09/1990 |
| 4892401 | Auxiliary side view mirror module An auxiliary mirror module for extending the viewing area of an existing side view mirror of the type mounted in a housing is disclosed. The module comprises a casing configured to slidably fit over at least a portion of the housing, the casing including ... | 01/09/1990 |
