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Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 277/507 - Partially spherical


Subclass of Class 277 - Seal for a joint or juncture
Definition: Arcuate bearing surface wherein the arcuate bearing surface
No. of patents: 42
Last issue date: 01/16/2007


1    
NumberTitleIssue Date
7163206Fluid seal
A jet pipe assembly containing at least one joint provided with a seal assembly to isolate, substantially, the fluid flowing in the pipe from the fluid external to the pipe. The dynamic member of the seal assembly is provided with both radial and cylindrical sealing...
01/16/2007
6905500Bone fixation apparatus
Disclosed is a bone fixation apparatus. This device comprises a bone screw having a head; a cap member placed on an upper part of the head of the bone screw; a receiver member having a bore in which the cap member and the head of the bone screw are respectively acco...
06/14/2005
6698764Packing assembly
The invention provides a packing assembly for rotating and/or oscillating machine shafts arranged in a machine housing. The packing assembly comprises a packing accommodation unit floating on said shaft. The packing accomodation unit is supported on the h...
03/02/2004
6585416Self-aligning shaft support
A guide to support a shaft such as a pump pull rod (11) which is capable of both rotary and reciprocal motion. The guide prevents any misalignment of rod (11) damaging a seal, e.g. a stuffing box, held in space (24). Guide element (18) has central portion...
07/01/2003
5688065Double cardan universal joint ball and socket seal
An elastomeric seal for a ball and socket centering apparatus of a double cardan constant velocity universal joint has slits radiating from a hole in which the ball is received which create fingers that flex to wipe against the ball and retain grease in t...
11/18/1997
5678947Joint assembly
An improved joint assembly includes a housing (12) and movable member (24) having a ball end portion (26) which is disposed in the housing. An annular seal (42) is disposed between an inner side surface (16) of the housing (12) and the ball end portion (2...
10/21/1997
5636849Translatable bearing stuffing box
The invention relates to a diffuser (1), comprising a substantially cylindrical, vertical container (2), through which cellulose pulp is arranged to be transported, nozzle arms (6, 7) for delivering a fluid, such as washing liquid, to the pulp, concentric...
06/10/1997
5573336Seal for a spherical plain bearing
An annular metallic support member has a cylindrical surface mountable within a bore of the spherical plain bearing outer ring or bearing housing such that a conical surface of the metallic support member overlies the spherical member. An annular elastome...
11/12/1996
5462291Spherical annular seal with outer sliding layer
A spherical annular seal having a through hole in a center thereof and a partially convex spherical surface portion on an outer surface thereof, wherein an inner peripheral surface of the spherical annular seal defining the through hole is reinforced by a...
10/31/1995
5309715Stirling engines
A Stirling engine with mechanical output through a crankshaft (57) has piston(s) (42) reciprocable in cylinder bore(s) (41). The piston to crankshaft connection includes a lever arm (74) on pivot pin (77) and a connecting rod (75). The lever arm passes th...
05/10/1994
5167283Combination ball valve and annular pipe seal
A diverter for a riser string between subsea well and offshore drilling rig utilizes a rotatable ball element. The ball element mounts in a tubular housing. The ball element has a passage through it which is coaxial with the riser when the ball element is...
12/01/1992
4848524Telescopic appliance
In a telescopic apparatus, an inner telescopic part is axially displaceable in wobble-free manner in an outer telescopic part. For the guidance of the inner telescopic part a carrier sleeve is inserted into the outer telescopic part. The carrier sleeve ac...
07/18/1989
4834394Sealed universal movement of a shaft extending between environments
Apparatus includes a mounting member having a bore which closely receives the shaft and a counterbore in which two elastic O-rings separated by an annular element are received. A first compression member threadably engages the mounting member to apply axi...
05/30/1989
4726595Shaft sealing device with spherical portion and wiper seals
A shaft sealing device has a body containing a spherical portion of a sealing element which also has a tubular portion extending outside the body. The shaft extends through both portions of the sealing element. A pair of annular wiper seals is located wit...
02/23/1988
4696517Dumping mechanism for a dumping toy truck
A dumping mechanism for a dumping toy truck with a rear deck is disclosed, which is provided with a covering element for preventing invasion of dust and gravel through a large hole for a lifting rod, as well as a buffering pad for a bearing shaft for the ...
09/29/1987
4659091Sealing ring for sealing an articulated connection
A sealing ring having at least one jacket face serving as a slide surface is produced of fibers and sliding agent that are passed to one another, with the fibers being relatively short fibers....
04/21/1987
4647050Stuffing box for a sucker rod pump assembly
A stuffing box for a sucker rod pump assembly is disclosed that utilizes natural convection currents generated in a lubricating fluid reservoir mounted on the housing of the stuffing box and in fluid communication with the interior of the housing to conti...
03/03/1987
4627826Multi-segment, non-flexible boot for mechanical joint
A sealing boot for sealing a power transmitting mechanical joint, especially a mechanical joint which is subject to angular articulation between its input shaft and output shaft. The mechanical joint has an outer race which is a part of its output shaft, ...
12/09/1986
4616837Seal ring with tippably supported guide ring
A seal ring has a holding ring for fixedly mounting the seal ring on one machine part. An axially concentric guide ring is tippably supported on one side on a circumferentially-cylindric side of the holding ring. The other side of the guide ring guides th...
10/14/1986
4606238Mounting construction of shift lever retainer casing in change-speed gearing unit
In a change-speed gearing unit, a manual shift lever is mounted at its lower end on a retainer casing which is secured at its outer peripheral portion to the upper seating face of an extension housing for the unit by means of fastening bolts threaded into...
08/19/1986
4593917Seal system, particularly suitable for the ball joint of installations laid at great depths
A seal system for a spherical joint in which the metal seal ring is sandwiched coaxially between two wedge-shaped metal compression rings which are inserted into corresponding cavities in the front surfaces of the seal ring and are pressed against a metal...
06/10/1986
4588301Conical screw mixer
The conical screw mixer has a mixing vessel tapering toward the bottom region; in it, parallel to the inner wall, a rotationally driven mixing screw runs in the product chamber. At the bottom area a non-rotational compensating coupling is arranged, which ...
05/13/1986
4556227Universal pipe joint assembly
A universal pipe joint assembly which comprises a connector housing having a main cavity defined by an internal spherical concave wall of a connector housing body a pair of axially spaced split rings with their inclined external circumferential walls disp...
12/03/1985
4522414Seal assembly for pivotal rod
The assembly is used with a support having a flat surface and formed with a bore extending generally parallel to but beneath the surface and with a passage extending from the bore to the surface, with a control element in the bore and pivotal therein abou...
06/11/1985
4480842Self-aligning stuffing box
A self-aligning stuffing box for use with a drilling device having a rotatable drill shaft includes a packing gland having an opening therethrough sized for passage of the rotatable drill shaft and includes packing rings for forming a seal between the pac...
11/06/1984
4466623Steering ball seal
A steering ball seal includes a rigid annular outer case having a radially extending elastomeric sealing member bonded thereto. The sealing member includes a pair of sealing lips which extend radially inwardly of the case. The sealing member further inclu...
08/21/1984
4456267Seal arrangement for pull rods in rolling mills
A seal arrangement is provided for the pull rods extending out of a rolling mill housing through a housing passageway where a spring suspension is located at the ends of the pull rods exteriorly of the housing. In such an arrangement pull rods experience ...
06/26/1984
4423544Method of making composite gasket
A method of making a composite gasket. A composite gasket is formed from an annular coiled strip of heat-resistant core material having a metallic tanged core and a facing layer, as of a mica-based material, integrated with the strip. The coil is placed i...
01/03/1984
4360186Swivel joint
A Swivel Joint for use on producing wells which are being pumped, having an upper and a lower annular member, in juxtaposition, with a coil spring separating the members, the lower member having a curved external face to receive, in line contact, the insi...
11/23/1982
4319756Spherical seal element
The present invention relates to a seal which is capable of sealing against and rotatably supporting a spherical formation. The seal 10 has at least one annular lip portion 12 which has at least one sealing surface 18, 19 which is spherically contoured to seal...
03/16/1982
4311313Clearance sealing arrangement for jet thrust deflection equipment
A sealing arrangement for sealing the clearance between the outlet end of a rigidly mounted jet pipe and the inlet end of another pipe tiltable three-dimensionally with respect to the rigidly mounted pipe, one of the pipes being formed with a ball socket-...
01/19/1982
4228739Motorized railway truck articulated shaft housing
A system for suspending the traction motor and gear box of a parallel drive arrangement in a railway truck or the like in which the gear box and traction motor shafts are flexibly coupled together to accommodate relative movement between the two shafts. I...
10/21/1980
4191387Watertight seal for toggle switches
A toggle switch of the type used on the casing of a camera or intercom device solves the problem of moisture entering the casing through the switch to thereby damage the electronic circuitry, cause rust, mildew and other damage. The exterior of the switch...
03/04/1980
4173157Motion transmitting remote control assembly
A motion transmitting remote control assembly of the type for transmitting forces along a curved path by a flexible motion transmitting core element movably supported within a conduit. The core element is a stranded cable-like member having a first end ex...
11/06/1979
4129306Sealing means for tank mixer
A sealing means is disclosed which comprises a support member provided with a groove adapted to receive an annular seal therein which mates with the outer spherical surface of a swivel ball of a tank mixer upon installation thereof. The groove is position...
12/12/1978
4080015Bearing and method for manufacturing same
A bearing and a method for making the bearing incorporate annular elastomeric seals that are molded within annular edge grooves of an outer race so as to be bonded thereto while in slidable engagement with an outer spherical surface of a bearing element r...
03/21/1978
4029324Seal assembly for control lever
A sealing assembly for a control lever that extends through an opening. The sealing assembly includes a plurality of stacked seal members that have mating surfaces which allow movement of the control lever about a pair of mutually perpendicular noninterse...
06/14/1977
3978815Continuous casting apparatus with an articulative sealing connection
Apparatus for a process of continuously casting metals by passing a metal core member upwardly through a container of molten metal, and thereby accreting and solidifying molten metal on the core member. The invention comprises an articulative sealing conn...
09/07/1976
3971564Environmental seals for multidirectional control levers
An environmental seal for use with a multidirectional control lever. The seal defines a movable structure including a first closure portion movable with the movable member and a second closure portion cooperating with the first closure portion to effectiv...
07/27/1976
3951418Moving captive seal construction usable under high temperature and cryogenic conditions
A captive sealing assembly including a sealing mass of deformable material and first and second retainers on opposite sides of the sealing mass. The sealing assembly is adapted for use in a seal groove at least partially defined by first and second surfac...
04/20/1976
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