Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 8109519 | Tubular shaft seal The invention describes a leak proof shaft seal for valves and other pressurized vessels, wherein the shaft seal can deform elastically by either stretching or twisting without loosing its ability to seal all, or a portion, of said shaft from harmful fluids. Further... | 02/07/2012 |
| 7431321 | Trailer hitch assembly A trailer hitch assembly includes a receiver portion including a cylindrically-shaped cavity, a bushing member received within the cavity of the receiver portion, and a hitch member that includes a shaft pivotally received within the bushing member. At least a selec... | 10/07/2008 |
| 7401789 | Rack bushing for rack and pinion steering assembly The invention contemplates a rack bushing and a rack and pinion steering assembly for use in a vehicle that includes such a rack bushing. The steering assembly may include a housing having a tubular rack portion with a tubular end, a rack mounted in the tubular rack... | 07/22/2008 |
| 7334660 | Seal assembly for a rack and pinion steering assembly A rack bushing seal assembly for a rack and pinion steering assembly that includes a bushing, a bushing liner and a locking material. The bushing defines an annular recess on an outer surface of the bushing. The bushing liner is positioned within the bushing. The lo... | 02/26/2008 |
| 7314218 | Externally mountable spiral adaptor An adaptor that can be used with rotary fluid equipment will protect mechanical seals and/or packing material adjacent a seal cavity (18) of the equipment. The adaptor includes an annular body (30) with a central bore (32) adapted to receive a s... | 01/01/2008 |
| 7175176 | Device for feeding suction air or blowing air in a sheet-processing machine A device for feeding suction air or blowing air to a sheet-retaining device displaceable relative to a machine element in a sheet-processing machine, includes a first air-feeding element connectible in terms of flow to a suction-air or blowing-air source. A second a... | 02/13/2007 |
| 7172007 | Reinforcing ring applicator A reinforcing ring applicator is provided to receive cartridges of reinforcer rings for applying flat, adhesive-coated annular reinforcement rings onto sheets of material about perforations which have been formed in the sheets of material. The reinforcer ring cartri... | 02/06/2007 |
| 7121551 | Bushing arrangement for seal cavity protection in rotating fluid equipment An arrangement (120) of members for a throat bushing for rotary fluid equipment includes a first member (122) that is useful for seal cavities that contain conventional packing, and a second bushing member (132) that will be used in conjunction ... | 10/17/2006 |
| 7066927 | Vented seal having redundant sealing components A seal having a body and several bands extending away from the body. The bands extend around an axial portion of the body. In some embodiments, the bands project from and are formed integral with the body. For example, the bands can be rings. Two bands can be locate... | 06/27/2006 |
| 7066719 | Bore and shaft assembly An exemplary bore for a shaft of a turbomachine includes a longitudinal axis extending generally from an inner end to an outer end of the bore, an outer seat disposed proximate to the outer end of the bore at an outer seat radius for an outer seal ring wherein the o... | 06/27/2006 |
| 7055829 | Antiextrusion device An elastomeric seal having an antiextrusion device molded integrally into or onto the low pressure side of the seal. The antiextrusion of a corrugated strip into an elastomeric seal. One embodiment of the invention has the strip positioned with the midplane of its c... | 06/06/2006 |
| 6913266 | Sealing device A sealing device for a shaft (2) or rod which is movably disposed in a guide arranged between a high-pressure space (10) and a low-pressure area (11) of a pressure-resistant housing (1) bounding the high-pressure space (10), and wh... | 07/05/2005 |
| 6681885 | Rack and pinion steering gear with powdered metal bushing A rack and pinion steering apparatus (10) comprises a housing (12). Helical teeth (60) of a pinion gear (54) meshingly engage teeth of a rack bar (42) and, during rotation of the pinion gear (54), result in an axial force. A shaft (86) connects with the p... | 01/27/2004 |
| 6520507 | Sealing sleeve, especially for small-dimension installation spaces A sealing sleeve made of a polymer material especially for small-dimension installation spaces, the sealing sleeve having a retaining segment and a sealing segment, the retaining segment being connected to a supporting body and the sealing segment on the ... | 02/18/2003 |
| 6330929 | Rack bushing for fluid power assisted rack and pinion steering gear assembly A fluid power assisted rack and pinion steering apparatus (10) includes a rack (24) connectable with steerable wheels of the vehicle. The rack (24) is movable in opposite directions to turn the steerable wheels in opposite directions. A housing (20) parti... | 12/18/2001 |
| 6273429 | Labyrinth cartridge seal, and centrifugal compressor applications thereof A labyrinth cartridge seal having a shell and a plurality of sleeves having corresponding portions to prevent axial and radial movement therebetween and particularly a labyrinth cartridge seal for use in a compressor for compression of a gas, such as oxyg... | 08/14/2001 |
| 6250643 | Damper plate and method for producing thereof There are disclosed a damper plate for a rotary machine and a method for producing thereof which makes it possible to produce a honeycomb-type damper plate with accurate dimensions and reasonable cost. In the method for producing a damper plate for sealin... | 06/26/2001 |
| 6155375 | Bushing assembly for a rack and pinion steering gear A vehicle steering apparatus (10) comprises a rack (24) connectable with steerable vehicle wheels and a housing (20) partially enclosing the rack and defining a fluid chamber (50). The housing (20) includes an inner surface (30) and a radially extending e... | 12/05/2000 |
| 6129533 | Sealing system for rotating component of a pump The invention relates to a fluid-conveying machine, in particular, a pump having a component rotating in a stationary housing part inside an annular gap. The stationary housing part separates an interior having a higher product pressure from an exterior h... | 10/10/2000 |
| 5957461 | Radial lip shaft seal A unitary radial lip seal assembly to provide a fluid tight seal between a shaft and a housing bore through which the shaft extends includes an annular rigid retainer, a resilient body portion secured to the retainer and defining at least one sealing lip ... | 09/28/1999 |
| 5921557 | Seal for gas springs and the like A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or othe... | 07/13/1999 |
| 5911607 | Sealing assembly for propeller drive shaft A sealing assembly for a rotary drive shaft that extends through the hull of a boat, the outboard end of the shaft being coupled to a propeller and the inboard end to a marine engine for rotating the propeller. The assembly includes a cylindrical housing ... | 06/15/1999 |
| 5895053 | Seal for gas springs and the like A seal that is particularly suitable for use in a gas spring and other high pressure hydraulic and pneumatic sealing applications and that minimizes the leakage of relatively high pressure gas and lubricating oil from the rod end of the gas spring or othe... | 04/20/1999 |
| 5829339 | Crimped sealed adapter bushing assembly for a double diaphragm spring brake actuator A sealed bushing assembly adapted to permit a push rod to pass through an adapter isolating a pressurized chamber, formed by attaching a sleeve to said adapter, inserting a bushing, and crimping the end of said sleeve opposite said adapter to restrain sai... | 11/03/1998 |
| 5735528 | Self-lubricating packing piece A seal is provided around an elongated object by providing a plurality of packing pieces having external surfaces, each said packing piece being made of a material composition comprising at least one type of elastomer, and 1-10 percent by weight lubricant... | 04/07/1998 |
| 5456413 | Rotating nozzle with pressure responsive clearance A rotary water blast nozzle assembly includes an inner body member and a mandrel that supports a spray head having an internal bushing that rotates on the mandrel. Seals on the of the bushing are spaced at selected distance points from radial flow ports i... | 10/10/1995 |
| 5215047 | Seal assembly A seal assembly capable of sealing a rotatable shaft protruding from a fluid-containing chamber in an internal combustion engines and the like. The seal characteristics of the seal assembly are largely attributed to surface interface between the seal cap ... | 06/01/1993 |
| 5149148 | Pipe swivel joint with improved bore seal A pipe swivel joint with male and female hubs and an improved bore seal assembly having an anti-extrusion ring that axially energizes the swivel joint hubs toward their operational position as the joint is assembled.... | 09/22/1992 |
| 5135240 | Mechanically-bonded, monolithic sealing ring for stuffing box including axially central portion made of compressed flexible foamed graphite tape A mechanically-bonded, monolithic sealing ring is provided for a stuffing box of a high temperature, high pressure valve or pump. In this ring, the components are pre-united by axially squeezing together originally separate center and end rings in a die a... | 08/04/1992 |
| 5111736 | Vented static seal assembly A seal assembly for a high pressure pump where there is an O-ring positioned in a seal groove having side seal surfaces and a back seal surface, with said O-ring being exposed alternately to high and low pressures in the pumping chamber. A pressure relief... | 05/12/1992 |
| 5018752 | Shaft seal A shaft seal consisting of a generally tubular hollow body formed of plastic and having lip seal portions at each end. Flexure grooves in the body enable lip seals on the inner surface of the body to be biased into sealing engagement with a shaft extendin... | 05/28/1991 |
| 4949983 | Multi plane articulating rod seal A rod seal for establishing a seal between an elongate rod and a housing wall around an enlarged opening in the wall through which the rod projects provides a close fitting sliding seal between the rod and the seal to accommodate longitudinal reciprocatio... | 08/21/1990 |
| 4899982 | Upper valve component An upper valve component for a sanitary fixture including a sleeve type head fastenable in a valve housing and a spindle which extends through the center of the sleeve head and is equipped with a socket head, the spindle having exterior annular faces whic... | 02/13/1990 |
| 4886324 | Bush assembly for track of tracked vehicle An improved bush assembly for insertion into an aperture of a lug of a track part of a tracked vehicle is disclosed. An exposed outermost side wall of the bush has an extended surface length, so that when under design precompression the wall makes angles ... | 12/12/1989 |
| 4828273 | Apparatus for the transmission of rotary motion through the wall of a vacuum chamber Rotary lead-throughs through the wall of vacuum chambers have to be lubricated until now in order to avoid cold welding of a metallic shaft with vacuum sealing rings of the lead-through. The invention pertains to a new construction in which the inner wall... | 05/09/1989 |
| 4824124 | Rotary and sealed connection for pressurized fluids A rotary and sealed connection for pressurized fluids is provided, including a first part that is secured, for example, to a fixed source of pressurized fluid and has a recess for communication therewith and through a second part, with a fluid-using rotar... | 04/25/1989 |
| 4809631 | Composite rudder seal A bearing assembly for use on a rudder shaft of a vessel or boat wherein the shaft has a thin cylindrical rubber sleeve that encompasses it. The outer peripheral surface of the rubber sleeve is bonded to a fiberglass ring which is bonded to an elongated a... | 03/07/1989 |
| 4783088 | Sealing assembly for sealing an opening in a plate through which a shaft extends An arrangement for sealing an opening in a plate (1) through which a shaft extends, the plate separating the "wet" and the "dry" zones of a packing machine from each other. In packing machines great demands are made on the tightness and durability of such... | 11/08/1988 |
| 4717161 | Multiple-lip seal for cylinder rod and the like An integral sealing system for a cylinder or piston rod and the like, for bearing, sealing and wiping a piston rod during reciprocating motion, is a molded polymeric unit. The integral system includes a body terminating at one end in a divergent pair of g... | 01/05/1988 |
| 4694910 | Packing tube assembly for pumping wells A packing tube assembly which can easily be substituted for the conventional stuffing box on typical pumping wells to substantially increase the operational life of the packing involved. The assembly includes a mounting bushing for the packing tube having... | 09/22/1987 |
