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Class 277/571 - Wear sleeve


Subclass of Class 277 - Seal for a joint or juncture
Definition: Peripheral, radially sealing, flexible projection including
No. of patents: 109
Last issue date: 04/08/2008


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NumberTitleIssue Date
7354216Grease seal cup to retain lubrication for life extension in existing splined joint
A grease seal cup for a splined joint between a drive shaft and a driven shaft comprises a cylindrical portion adapted to form a seal with the outer surface of the drive shaft and a seal with a sealing member, such as a spanner nut, of the driven shaft. The grease s...
04/08/2008
7347424Shaft seal having integrated removal feature
A dynamic shaft seal assembly has inner and outer cases that are clamped together to secure a seal element therebetween for dynamic sealing about a rotatable shaft. The inner case is formed with integral pull tabs that are engageable by a seal removal tool to facili...
03/25/2008
7334942Dual seal assembly for bearing
A dual seal assembly for a bearing, the assembly comprising a first seal frame (12) coupled to a tip end of an opening in a space formed between an inner ring and an outer ring of the bearing and press-fitted to the outer ring; a second seal frame (14)...
02/26/2008
7264249Seal
A hub unit including a hub and a flange integrally formed with the hub, and a seal including a core metal and an elastic body integrally molded with the core metal. The elastic body includes one or more lips in sliding contact with one or both of the hub and the fla...
09/04/2007
7201380Rotary shaft dynamic seal provided with an angular encoder device, a device including such a seal, and a method of fabricating such a seal
A dynamic seal for a rotary shaft, the seal comprising a sleeve for being constrained in rotation on the shaft and an annular lip of polymer having a low coefficient of friction to come into sliding rotary contact with a stationary casing surrounding said shaft so t...
04/10/2007
7159871Retrofittable severe duty seal for a shaft
A unitary sleeve lip seal can be used to provide permanently lubricated sealed bearings in severe service conditions such as the track pins of track-driven vehicles and agricultural equipment. The seal has a labyrinthine exclusion path and multiple dust lips contact...
01/09/2007
7156400Slinger and wear sleeve seal assembly
A seal assembly provides a rotating portion and a rotationally fixed portion. The rotating portion includes a running sleeve, a slinger segment and an upper seal segment. The slinger segment radially extends outward of the fixed portion so as to protect the fixed po...
01/02/2007
7134667Arrangement comprising a slinger associated with a shaft bearing and a gasket associated with a sealing gap
A sealing arrangement for turbomachines with a shaft bearing, a throw-off ring and a shaft seal which is assigned to a sealing gap and has a seal housing wherein opposing faces of the throw-off ring and the seal housing form an annular gap for centrifuging out dirt ...
11/14/2006
7108267Seal for a shaft
Unitary radial lip seals are useful to provide permanent lubrication to rotary shaft and bearing assemblies. In addition, these seals also function as excluder seals to keep dirt, chemicals, and other contaminants from contacting the lubricated surfaces. However, pr...
09/19/2006
7090223Shaft sealing module for sealing vacuum chambers
A shaft sealing module is proposed for sealing a shaft which extends driving rotationally from a normal pressure chamber into a high vacuum chamber. It is essential for the shaft sealing module according to the invention that the dynamic seal of the shaft takes plac...
08/15/2006
7066467Sealing device for water pump bearings
A sealing device for a water pump bearing employs a seal member without an axial lip, and having only a radial lip. The sealing device includes an annular seal member which is fixed to a shoulder portion of one end in an axial direction of an outer race of a water p...
06/27/2006
7055828Shaft seal
A lubricant seal assembly has an outer seal component and a separate inner wear sleeve. The outer seal component has a carrier and a PTFE seal element which lays down against the wear sleeve to provide a seal collar extending to an oil side of the seal assembly. The...
06/06/2006
7011451Rotating speed sensor unit and wheel bearing assembly carrying the same
A wheel bearing assembly is provided which has a rotating speed sensor unit which includes a seal for preventing entry of foreign matter and which takes up little space and thus can be mounted on the wheel bearing assembly without increasing the axial dimension of t...
03/14/2006
6988733Bonded PTFE radial shaft seal
A radial shaft seal having a metal casing and a rubber sealing portion attached interior of the metal casing. The rubber sealing portion is bonded to the metal casing during a forming operation. A polytetrafluoroethylene seal is stretched into a conical shape and bo...
01/24/2006
6979001Wheel bearing and sealing device therefor
A wheel bearing includes a sealing device 5 positioned between inner and outer members 1 and 2. This sealing device 5 includes an elastic member 14, which eventually forms an encoder grid and is provided on a first annular sealing ...
12/27/2005
6974136Sealing device for a wheel hub group
Sealing device (1) for a wheel hub group (2) connected to the differential (3) of a vehicle, and provided with a rolling bearing (9), the sealing device (1) being mounted in such a way as to protect the bearing (9) from a lu...
12/13/2005
6962344Bearing seal for water pump
A bearing seal for a water pump of an automobile has rolling elements between an outer ring fixed to a casing and a rotary shaft that is provided with a drive portion at one end and an impeller at the other end. In addition, a seal is formed between the outer ring a...
11/08/2005
6955358Oil seal
An oil seal (10) includes a first seal (20) for sealing an engine (1) side and a second seal (30) for sealing a flywheel (4) side. The first seal (20) is an axial seal abutted on an inner ring (11) from the direction ...
10/18/2005
6945535Seal
A seal, especially for shafts movable in a translational direction, has at least one static sealing area and at least one dynamic sealing area and another sealing point outside of the dynamic sealing area. The other sealing point is formed by at least two elements f...
09/20/2005
6918596Seal with integrated sealing and rotation measuring capabilities
A seal with integrated sealing and rotation measuring capabilities includes a first slinger having an L-shaped cross section and is adapted to be fixed to a rotational bearing element of a bearing assembly, the first slinger including a first cylindrical portion ext...
07/19/2005
6913264Sealing arrangement
A sealing arrangement for sealing a housing with respect to a shaft includes a first annular supporting element connected to the housing, a second annular supporting element connected to the shaft, and a first seal connected to one of the two supporting elements and...
07/05/2005
6776420Sealing device for a rolling contact bearing
Sealing device (1) for a rolling contact bearing (2) presenting an annular sealing lining (5), a protective shield (6) for the lining (5) which is mounted on the outside of the lining (5) itself, and an encoder (15) w...
08/17/2004
6726212Retrofittable severe duty seal for a shaft
A unitary sleeve lip seal can be used to provide permanently lubricated sealed bearings in severe service conditions such as the track pins of track-driven vehicles and agricultural equipment. The seal has a labyrinthine exclusion path and multiple dust lips contact...
04/27/2004
6702295Dynamic seal
A dynamic seal assembly has an outer carrier member formed of one-piece having an outer flange, an inner flange, and an intermediate portion presenting first and second shoulders. A PTFE seal member is disposed about the second shoulder and is compressed ...
03/09/2004
6637754Wheel bearing and sealing device therefor
A wheel bearing includes a sealing device 5 positioned between inner and outer members 1 and 2. This sealing device 5 includes an elastic member 14, which eventually forms an encoder grid and is provided on a first annular sealing plate 11. A second annul...
10/28/2003
6616326Shaft sealing assembly having replaceable sealing sleeve
An improved shaft sealing assembly (18) for use with an elongated, axially rotatable shaft (14) typically forming a part of a blender (10) or similar device is provided, which permits rapid, easy seal repair without the need for complete breakdown of the ...
09/09/2003
6481896Sealing device for a bearing
A sealing device for a bearing includes first and second annular sealing plates (1, 2) accommodated within an annular end space between inner and outer races (11, 12). Each of the first and second sealing plates (1, 2) is of a generally L-shaped section i...
11/19/2002
6428015Liquid seal structure
A liquid seal structure has a tapered seal land provided on an outer circumference of a rotation shaft with an outer circumference on a sealing liquid side being diametrally larger than an outer circumference opposite to the liquid side, a tapered seal li...
08/06/2002
6406026Retrofittable severe duty seal for a shaft
A unitary sleeve lip seal can be used to provide permanently lubricated sealed bearings in severe service conditions such as the track pins of track-driven vehicles and agricultural equipment. The seal has a labyrinthine exclusion path and multiple dust l...
06/18/2002
6354598Oil seal including wear sleeve with hydrodynamic pattern
A wear sleeve for use with the active face of an associated seal unit. The wear sleeve includes a radial flange and an axial flange having a plurality of grooves therein. The grooves are formed on an inner margin of the blank while the blank is in a flat ...
03/12/2002
6315296Flangeless retrofittable severe duty seal for a shaft
A unitary sleeve lip seal can be used to provide permanently lubricated sealed bearings in severe service conditions such as the track pins of track-driven vehicles and agricultural equipment. The seal has a labyrinthine exclusion path and multiple dust l...
11/13/2001
6283740Rotary lobe pumps
A rotary lobe pump is provided with an improved sealing mechanism between the rotor and outside diameter of the shaft upon which the rotor is mounted. An adapter is provided for the drive shaft which enables the drive shaft to be easily coupled to a varie...
09/04/2001
6220600Low installation/removal force wear sleeve and method of use
An annular wear sleeve for a shaft seal is fabricated of an elastically deformable metal material and includes an annular body portion and an end flange portion. The sleeve is slightly oversized relative to the shaft on which it is installed to provide a ...
04/24/2001
6213476Bi-modulus composite seal and its method of manufacture
A lip-type fluid seal (10) for a shaft includes a composite sealing lip (26) having an elastomeric portion (32) and a PTFE portion (36). The elastomeric portion (32) includes a lip edge (33) that extends circumferentially continuously to seal the adjacent...
04/10/2001
6206380Seal device for rolling bearing
A seal device for the rolling bearing has an inner seal lip which never turns over when the inner seal lip with its tip end edge separated from the outer peripheral surface of the cylindrical portion of the slinger is fitted onto the cylindrical portion o...
03/27/2001
6199869Sealing device
A sealing device comprising an annular support structure, a first annular sealing lip made of rubber and supported by the annular support structure, and a second annular sealing lip adjacent to the first annular sealing lip, the second annular sealing lip...
03/13/2001
6170833Hub seal with machinable thrust ring and lay-down sealing lip
A hub seal for installation on the wheel end of a heavy duty trailer or truck is disclosed which includes an annular casing, an elastomeric sealing ring supported within the annular casing and including an axially extending sealing lip, an annular sleeve ...
01/09/2001
6170834Sealing arrangement
A sealing arrangement, including a surface to be sealed off of a rotationally symmetrical machine element and a radial shaft sealing ring. The sealing ring has a sealing lip made of polymer material, which contacts the surface along a sealing edge that is...
01/09/2001
6158743Hub seal with low installation load and rotation prevention structure
A hub seal for installation on the wheel end of a heavy duty trailer or truck is disclosed which includes an annular casing having a radially outer surface configured to sealingly engage an accommodating surface of a wheel hub mounted for rotation about a...
12/12/2000
6083109Unitized seal for telescopic shaft
A unitized seal assembly (10) for a rotary shaft (16) having a main section (20) rotatably supported in a housing (14) and a telescopic end (22) axially extendable relative to the main section (20). The seal assembly (10) comprises a generally rigid annul...
07/04/2000
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