U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."

Dr. Alfred Velpeau, French surgeon ; 1839

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 384/518 - Coil spring


Subclass of Class 384 - Bearings
Definition: Subject matter wherein the force is supplied by means comprising
No. of patents: 60
Last issue date: 02/19/2008


1    
NumberTitleIssue Date
7332843Motor
A pump apparatus includes a motor unit and a pump unit. The motor unit includes a cylindrical yoke housing and a rotor accommodated in the yoke housing. A rotary shaft of the rotor is supported by a first bearing and a second bearing. In a direction from a bottom wa...
02/19/2008
7326146Toroidal-type continuously variable transmission and continuously variable transmission apparatus
A toroidal-type continuously variable transmission has a casing; a rotary shaft; a pair of outside disks each including an axial-direction one-side surface and supported on the rotary shaft so as to be rotated in synchronization with the rotary shaft; an inside disk...
02/05/2008
7237962Prestressed bearing for electrical machines
The present invention relates to an electrical machine 1, in particular an electric motor, with a housing 2 and covers 3, 4 that close the housing 2 and contain bearings 7, 8 that rotatably support a rotor 5. According to th...
07/03/2007
7153031Bearing assembly with anti-slip spring
A bearing system which inhibits fretting to extend the life of a bearing. The system is usable in a machine, such as an electric motor, and includes an elastomeric spring positioned between the bearing and a bottom surface of a bore in which the bearing is received....
12/26/2006
7147380Pressure screw assembly primarily used with an axially guided locking ring to permit controlled axial clearance movement of the chock bearing
A locking ring assembly retains a bearing to a shaft rotatably supported on a first axis of rotation. Guide pins or rods extend axially from an annularly shaped bearing retainer slideably disposed on the shaft towards the pressure ring, also slideably disposed on th...
12/12/2006
7128061Supercharger
A centrifugal supercharger is provided. One embodiment of the supercharger comprises a two-piece housing wherein a parting area is substantially aligned with a rotational axis of a drive- or impeller shaft. Another embodiment comprises a sleeve, or intermediate memb...
10/31/2006
7125172Weatherproof low friction spindle unit
A spindle unit includes an elongated shaft, a tubular housing surrounding the shaft, a locating rolling bearing in the interior of the housing that is mounted on the shaft, and a non-locating rolling bearing provided in the interior of the housing and mounted on the...
10/24/2006
7082691Laser level rotor assembly addressing angular drift
A rotor shaft is supported in a housing of a rotor assembly for a laser level. Bearings support the rotor shaft for rotation relative to the housing. An adhesive fixes an outer race of at least one of the bearings in position between the rotor shaft and the housing....
08/01/2006
7052017Rotary machine with seal
The so-called comb-type labyrinth sealing device (S1) is disposed in a gap between a rotor blade (2), i.e. a rotating member, and a labyrinth packing (9), i.e. a stationary member. The sealing device (S1) has a plurality of sealing fins (...
05/30/2006
6971801Bearing unit
A bearing unit includes: a housing; a shaft passing through the housing and rotatably supported on the housing; and a pair of rolling bearings disposed between the housing and the shaft and fitted to two positions on the shaft, which are axially spaced apart from ea...
12/06/2005
6971802Bearing preload cage assembly
A bearing preload cage assembly for rotatably supporting an axially loaded shaft includes a bearing housing including stationary axially opposed supporting members, first and second axially spaced bearings, each including inner and outer races and rolling elements, ...
12/06/2005
6942392Rolling bearing of a small motor for an information-processing device
A rolling bearing 1 is provided to support the rotating member of a small motor of an information-processing device wherein the groove radius ratio of the raceway groove of the inner race 2 is in the range from 52% up to 54%, while the groove radius ra...
09/13/2005
6668533Reel mower and bearing assembly
A reel mower includes a bearing system having a spring that biases a plurality of ball bearings toward a cone. The cone is fixedly mounted on the reel shaft. The cone can be conically constructed, and used in combination with a washer that is fixedly atta...
12/30/2003
6661141Blower
In the blower 1 which fixes the impeller 17 on one end of the shaft 11, as bearing to support the shaft 11, in the resin-made bearing box 7b, two ball bearings 8, 9 the width of the inner races of which is smaller than the width of the outer races are ins...
12/09/2003
6227715Rolling bearing assembly for support of a steering shaft
A bearing assembly includes a rolling bearing, having an inner ring, an outer ring, rolling bodies arranged between the inner ring and the outer ring, and a clamping ring, for supporting a steering shaft and a further bearing, for supporting a steering sh...
05/08/2001
6164833Low friction ball-bearing holder device for small motors
A small cored motor has a ball bearing which is a relatively long life, the overall thin dimension, a low manufacturing cost, low-friction as well as substantially vibration-free rotation. The ball bearing includes a biased and movable portion for promoti...
12/26/2000
6158897Gear with bearing arrangement
A gear including a frame, a first shaft, a first gearwheel arranged on the first shaft and in engagement with a second gearwheel mounted on a second shaft, the second shaft including bearings at both sides of the second gearwheel between the frame and the...
12/12/2000
6158898Preloading regulating mechanism for rolling bearings
A preloading regulating mechanism for rolling bearings which is adapted to be used to adjust an axial force on the rolling bearings is disclosed. The preloading regulating mechanism includes a first fixing member, a regulator disposed in the first fixing ...
12/12/2000
6042273Adjustable preload spindle
A machine tool spindle is associated with an adjustable preload mechanism for varying the preload on a bearing set for the spindle the mechanism comprising an annular piston that is selectively pressurized for loading spring(s) carried by a spring retaine...
03/28/2000
6032336Top roller for a draft apparatus
When a roller cylinder of a top roller is installed, it may collide against an outer bearing and damage it. Since the roller cylinder is loosened, when drafting is executed at a high speed, the roller cylinder may vibrate, causing non-uniform drafting. A ...
03/07/2000
5975766Arrangement of a shaft in a support
A shaft (12) rotatively mounted in a support (14) by rolling elements comprising at least one first rolling bearing (18) providing an oblique contact surface axially biased in one direction by an elastic return force and in a direction opposed to the prec...
11/02/1999
5899574Supporting structure of bearings
A supporting structure of bearings incorporates a housing, a shaft on which a rotor is fixed, a first ball bearing supported on the housing supporting one side of the shaft and having an outer and inner race, a second ball bearing supported on the housing...
05/04/1999
5829891Mounting for steering column
A large chamfer on the outer race mates with a matching angled step in the housing bore and eliminates the need for the press fit while still meeting the application requirements. Alternative designs reduce the rotational effort and torque variation of th...
11/03/1998
5803619Antifriction bearing pre-loading device and shaft bearing structure
A piston is displaced in a cylinder to pre-load an antifriction bearing. This displacement of the piston is effected according to the amount of working oil confined in a working oil chamber. This oil pressure generating device is equipped with a working o...
09/08/1998
5690433System for preloading the bearing of a pump assembly
A system for preloading the bearing of a cooling water pump for motor vehicles. The pump comprises a shaft and an impeller mounted on one end of the shaft and, an outer bearing ring surrounding the shaft. An axial face seal is mounted on one projecting en...
11/25/1997
5628571Bearing structure
A bearing structure used in a pivot bearing for freely supporting the rotation of a head arm of a hard disk drive (HDD). The bearing structure includes an inner shaft, an outer sleeve, a pair of roller bearings axially spaced and interposed between the in...
05/13/1997
5609423Lower bearing assembly including bearing wedge
A lower bearing assembly for supporting a steering shaft within a tubular jacket of an automotive steering column. The steering shaft is of double-D configuration having two diametrically opposite, arcuate side walls and two diametrically opposite paralle...
03/11/1997
5531526Cartridge for a rolling bearing having an oblique contact and the application thereof in a vehicle steering column
The cartridge includes a case with two sections and a connection portion interconnecting the sections and capable of containing in a chamber a rolling bearing including an outer ring which has a bearing surface and a raceway, an inner ring which has a bea...
07/02/1996
5494359High speed tool shaft bearing system
A bearing system is provide to couple a tool shaft to a power driven surgical instrument that has a support tube with a longitudinally extending aperture for rotation of the tool shaft about an axis. A pair of bearing assemblies are spaced apart within th...
02/27/1996
5395247Sliding contact
A sliding contact comprises a stationary contact member having an opening extending therethrough and a movable contact member, at least a portion of which is disposed within the opening. Conductive bearing means are disposed within the opening between the...
03/07/1995
5316393Duplex rolling element bearing mounting for ensuring preload control
An apparatus for mounting face-to-face angular contact bearings to ensure eload control. Face-to-face angular contact paired bearings have inner races and outer races. The inner races of the bearings are fitted on an element to be supported such as a shaf...
05/31/1994
5308172Bearing assembly
A Belleville spring/ball combination is utilized in a rotating anode target bearing assembly in an X-ray tube for thermal and electrical conduction as well as self-centering of the target shaft and noise reduction....
05/03/1994
5234100Conveyor idlers and rollers and bearing housing assemblies for them
A bearing housing assembly for a roller includes a housing; bearings provided in the housing and having first and second bearing components provided in the housing with the components being relatively rotatable, a retaining cup holding the components in t...
08/10/1993
5207514Mounting, in particular for disk spindles
In a mounting for disk spindles, an embodiment is provided in which, despite simple construction and simple assembly of the bearing, a high degree of precision is obtained. The angle ball bearings in O-arrangement have outer rings (4) the race (4') of whi...
05/04/1993
5094551Preload control apparatus for bearings with shape memory alloy springs
A preload control apparatus for use in a spindle (12) of a machine tool comprises a bearing (16,17) and a plurality of springs (26a to 26d) for exerting a preload on the bearing (16, 17). Some or all of the springs (26a to 26d) are at least partly made of...
03/10/1992
5069603Bearings for use in negative-pressure environments
A vacuum pump includes a rotor and at least one bearing that is supplied with a lubricant and that is situated, during operation, in a negative-pressure environment. In order to extend the useful life of the bearing, it is proposed that the bearing is for...
12/03/1991
5028219Bearings for use in negative-pressure environments
A vacuum pump includes a rotor and at least one bearing that is supplied with a lubricant and that is situated, during operation, in a negative-pressure environment. In order to extend the useful life of the bearing, it is proposed that the bearing is for...
07/02/1991
4997290Rolling bearing arrangement
A rolling bearing arrangement for a turbocharger is comprised of a bearing housing relative to which a rolling bearing is supported. The rolling bearing is securely provided with an outer sleeve which is disposed to surround the periphery of the rolling b...
03/05/1991
4983050Bearing supporting arrangement
A bearing supporting arrangement is provided for a turbocharger having a turbine shaft provided with turbine and compressor wheels. The bearing supporting arrangement includes first and second cylindrical oil film damper members, each of which is supporte...
01/08/1991
4979834Shafts mounted in bearings
A shaft has rolling member bearings, a compression spring acting to urge the bearings toward the shallow groove in one end of the shaft and a ring fitting round said end, with a portion extending into the groove so that the spring force acts on the ring t...
12/25/1990
1    
 
Sign InRegister
Username  
Password   
forgot password?