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 |
| 7798738 | Swivel joint for construction machine A swivel joint for a construction machine is mounted to an upper track frame, and a body is rotatable together with a swing structure main frame in an opening through engagement between a stopper projection and a stopper plate. Tubes on the swing structure side are ... | 09/21/2010 |
| 7037023 | Ball joint A ball-and-socket joint, especially a wheel guide joint for motor vehicles is provided with a housing (1), in the cavity (2) of which, which is open on at least one side, a bearing shell (3) is inserted with a joint ball (4) mounted there... | 05/02/2006 |
| 6742954 | Locking system for a rotating joint The present invention relates to a locking system for a rotating joint. In the device, the locking system (L) comprises a rigid locking means (12) movable in the axial direction (X1), provided with a first cogging (13) which can be moved for loc... | 06/01/2004 |
| 6702502 | Ball-and-socket joint A ball-and-socket joint, preferably for motor vehicles, in which a joint ball formed on a pivot pin is mounted movably in a bearing shell consisting of a plastic, is presented. The bearing shell has recesses accommodating lubricant on its inner jacket sur... | 03/09/2004 |
| 6696810 | Wrist structure for a robot A member for piping and wiring to an end effector of a robot is discharged from a first wrist element into a void area in a position displaced from an axis c, being bent and loosened, and then guided to a hollow path. Any variance in a length of the pipin... | 02/24/2004 |
| 6676323 | Adjustable clamping device in a mechanical press An adjustable clamping mechanism includes a slider block annularly disposed about a rod device within a mechanical press. The mechanism utilizes a press or interference fit connection between the components. During operation, high-pressure oil is injected... | 01/13/2004 |
| 6554523 | Hydraulic rod connector system A hydraulic connector assembly is provided to couple an extension rod to a piston rod in a reciprocating pump. The connector assembly utilizes a single hydraulic ram to provide the compressive connecting force between the two rods. The connector assembly ... | 04/29/2003 |
| 6279247 | Combination relief vent and dipstick apparatus for an oil filled pin joint The implement linkage of a work machine comprises at least one oil dilled pin joint. During operation of the linkage, pressure can build up in the pin joint, thus causing damage to the pin joint. It is desirable to vent this pressure without allowing oil ... | 08/28/2001 |
| 6196752 | Pivot structure for vehicle wiper device A pivot structure for a vehicle wiper device is provided. The pivot structure prevents foreign matters from invading through a body exterior sheet into a dash board area, for example. The pivot structure may be used in both left-side-drive vehicles and ri... | 03/06/2001 |
| 5822837 | Process for producing a frictional engagement A process for producing a frictionally locking connection of two structural component parts, especially a shaft and a hub, including plastically deforming a round structural component part into an oval or polygonal shape by applying force, applying additi... | 10/20/1998 |
| 5735627 | Articulating mechanism for robot An articulating mechanism for use in a single- or multiple-fluid-path painting robot is presented. The articulation design is particularly suitable as a wrist-joint and is free from the problems of dead space and single-fluid-path limitations found in con... | 04/07/1998 |
| 5720566 | Pressure relieved lubricated joint The present invention includes a method of relieving pressure within a sealed pin joint assembly so that the seal is protected from excessive pressure. The pin joint assembly includes slidably connecting a pin through a bearing assembly fitted within a bo... | 02/24/1998 |
| 5581888 | Lubricated blade pivot for folding knives A folding knife includes a lubricated barrel pivot removably mounted in the handle. An oil reservoir within the barrel communicates with the bearing surface by means of an oil wick in a bore. The barrel may be mounted in the handle by engaging male thread... | 12/10/1996 |
| 5389039 | Universal joint lubricant retainer A lubrication system is set forth for a universal joint. A cross of the universal joint has four trunnions extending therefrom along two mutually perpendicular lines. Bearing cups are rotatably received on the ends of the trunnions and the cups, in turn, ... | 02/14/1995 |
| 5211261 | Lubrication device for a pivot joint The invention is a ring-like lubrication device used in a pivot joint of the type connecting two members such as on an articulated agricultural tractor or wheeled loader. Such joint has a joint pin and a bearing permitting relative oscillating and articul... | 05/18/1993 |
| 5006005 | Lubricant supply for universal joint A lubricant supply assembly for a universal joint comprises a universal joint, two rotation shafts connected via the universal joint and being capable of being bent relative to one another, ball-and-socket joints secured at the two rotation shafts, and a ... | 04/09/1991 |
| 4571811 | Process for manufacturing ball joints or other self-lubricated joints A process for manufacturing ball joints or other self-lubricated joints, comprising placing the inner ring of the ball joint in a heat-retractable sheath of determined thickness and shrinking the sheath on this inner ring. The inner ring is then disposed ... | 02/25/1986 |
| 4348131 | Welded structure having improved mechanical strength and process for making same A welded structure and a method for making same wherein a plurality of weld metals, such as martensitic steel and austenitic steel, differing in coefficient of thermal expansion from each other are deposited in a plurality of layers thicknesswise of the w... | 09/07/1982 |
| 4281942 | Lubrication system for high speed spline connection and bearing A lubrication system for the spline connection and generator bearing of a high speed aircraft generator which utilizes a split ring seal and quad o-ring is disclosed. The split ring seal retards lubricant flow so that there is an accumulation in the area ... | 08/04/1981 |
| 4272224 | Splined shaft driving arrangement A drive coupling, as between an engine and a pump, facilitating assembly of the pump to the engine and preparation of the engine-pump combination for operation. Elements of the coupling include a relatively projecting externally splined shaft associated w... | 06/09/1981 |
| 3997274 | Sealed access for hinge pin lubrication A hinge pin construction including a pin adapted to journal an arm or the like, an annular wedge member associated with one end of the pin, an axially extending lubricant passage in at least one of the wedge member and the pin for directing lubricant to t... | 12/14/1976 |
