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Class 476/67 - FRICTION TRANSMISSION OR ELEMENT


Subclass of Class 476 - Friction gear transmission systems or components
Definition: A transmission as defined in the ... or a device particularly
No. of patents: 53
Last issue date: 08/31/2010


1    
NumberTitleIssue Date
7785228Torsion disc for use in a continuously variable transmission
A continuously variable transmission (CVT) having a torsion disc for a CVT. The torsion disc includes a splined bore about its central axis, an annular recess formed in the disc for receiving the race of a bearing, and a raised surface for supporting a torsion sprin...
08/31/2010
7458914Method and apparatus for a low cost and high force transmission using elastically deformable driving element for friction drive
An elastically deformable transmission member for use in a friction drive system. The elastically deformable transmission member imparts a thrust to a moveable member at an area of contact between the elastically deformable transmission member and the moveable membe...
12/02/2008
7178227Workpiece presenter for a flexible manufacturing system
A workpiece presenter for fixturing a workpiece of a vehicle assembly is provided, including a platform 50, and a tooling plate 7 removably connected to the platform, the tooling plate including a planar body 10 for supporting fixture tools 3...
02/20/2007
7077781Power roller unit for toroidal-type continuously variable transmission
A power roller unit for a toroidal-type continuously variable transmission, has: a trunnion including a support plate portion, a pair of bent wall portions, two pivot shafts, and a connecting member; a displacement shaft; a power roller; a thrust ball bearing includ...
07/18/2006
7011507Positive displacement pump with a combined inertance value of the inlet flow path smaller than that of the outlet flow path
A pump according to the present invention has a circular diaphragm 4 placed at the bottom of a casing 2. At the bottom of the diaphragm 4, a piezoelectric element 6 is installed in contact with the diaphragm 4. A narrow space betwe...
03/14/2006
6919658Coordinate measuring stage
An XY coordinate measuring stage includes a drive unit for a coordinate axis. The drive unit has a friction rod and a motor, the motor including a motor shaft in contact with a side of the friction rod. An applied pressure roller contacts an opposite side of the fri...
07/19/2005
6878091Infinitely variable friction gear
The invention relates to an infinitely variable friction gear with several frictional wheels which are to transmit via the driving power. The frictional wheels are rotationally mounted in combined axial-radial-bearings (2), which comprises split bearings (...
04/12/2005
6849025Frictional roller transmission
A frictional roller transmission comprises a first roller and a second roller disposed around two shafts which are separated from each other in such a manner that the two rollers are not brought into contact, a third roller and a fourth roller which are brought into...
02/01/2005
6840886Method and apparatus for a low cost, high speed, and compact nanometer precision motion stage using friction drive and flexure hinge
A friction drive including a drive shaft that is in rotational motion and in frictional contact with a follower at a contact area. The drive shaft transfers a thrust at the contact area. The follower receives the thrust and provides motion in response to the thrust....
01/11/2005
6789438Engine starting apparatus
An engine starting apparatus includes a starter motor rotating when the engine is started, a wedge roller speed reduction mechanism adapted to output a rotation of the starter motor from an output shaft at a reduced speed and to cut off power transmission between th...
09/14/2004
6689013Continuously variable friction gear transmission
The continuously variable friction gear transmission has one housing and one variator which is inserted therein and which is mounted on a power frame. In order to provide this variator in the form of an operationally capable autarchic unit, the support pi...
02/10/2004
6648509Friction-drive stage
An xy stage assembly having an xy stage supported by support shafts and having preload shafts applying a load to the xy stage. The support shafts or the preload shafts can be drive shafts that drive the xy stage in the x direction. The support shafts and ...
11/18/2003
6482121Parallel dual shaft drive apparatus
A drive arrangement clamps an output disc such as a tire with two driving rollers so as to drive the output disc. The drive arrangement is compact, light-weight, low-noise and inexpensive, and can be used for a bicycle equipped with an electrical assist d...
11/19/2002
6186018Binocular with rotation transmitting system
A binocular includes first and second swingable bodies respectively accommodating telescope systems. The binocular further includes two drive rings respectively provided to the swingable bodies and an operation knob. A transmission unit is provided to tra...
02/13/2001
6178836Positioning apparatus
A positioning apparatus includes a machine bench 1, an external pressure linear bearing assembly 2 and a slide body 3 mounted on the machine bench 1 through the bearing assembly 2 for reciprocating movement relative to the machine bench. The positioning a...
01/30/2001
6162145Traction drive type driving apparatus
A traction drive type driving apparatus is provided, by which any particular pressing mechanism is unnecessary, by which a big deformation can be obtained easily, in which decreasing degree of the pressing load is extremely small against small amount of a...
12/19/2000
6155953Toroidal continuously variable transmission
The upper and lower ends of plural trunnions (46) of a toroidal continuously variable transmission are joined by links (50, 52). A trunnion shaft (70) is joined to the lower end of the trunnion (46). A boss (78A) of a piston (78) is attached to the outer ...
12/05/2000
5719611Ink jet printer with holding member for easily replacing cleaning member
An ink jet printer is featured by pinch rollers disposed so as to be in contact with the printed surface of a printed recording sheet to press the printed recording sheet against an ejecting roller in contact with the non-printed surface of the printed re...
02/17/1998
5551929Differential traction drive transmission
A traction-type transmission which uses a differential reduction principle whereby the present transmission can generate an extremely high output shaft torque, while maintaining a relatively low tangential force through the traction contact. The traction ...
09/03/1996
5438491Vehicular sun visor assembly
A vehicular sun visor having a lighted vanity-mirror and sliding door is provided with a fixed lens aligned with a lamp at one end of the mirror and a lens which moves with the door into alignment with the lamp at the other end of the mirror. An automatic...
08/01/1995
5433675Traction roller transmission
The invention resides in an infinitely variable traction roller transmission with coaxial input and output shafts, a main transmission shaft rotatably supported in spaced parallel relationship with the input and output shafts and with an input traction ro...
07/18/1995
5357819Drive apparatus
The present invention provides a drive apparatus that is compact in size, low in cost, allows the attaining of a high degree of accuracy as well as high-speed driving, and suppresses the production of noise. The present invention is composed so that a drive ro...
10/25/1994
5346337Automatic tapping machine
An apparatus for cutting threads in holes of fabricated parts including a vertical support shaft supporting at least one arm extended out over the part with a tap coupled to a motor on the end of each of the at least one arm. The arm is supported on the v...
09/13/1994
5345832Drive apparatus
The present invention provides a drive apparatus comprising a track rail having a track formed along its axial direction, and a slider guided by the track. The slider has a rolling element circulating path, and a torque generating device, having an output...
09/13/1994
5326197Drive apparatus
A drive apparatus that is compact in size, low in cost, allows the attaining of a high degree of accuracy as well as high-speed driving, suppresses noise, and obtains both large thrust and braking force. The present invention is able to obtain the above-m...
07/05/1994
5326335Drive apparatus
The present invention provides a drive apparatus that is compact in size, low in cost, allows the attaining of a high degree of accuracy as well as high-speed driving, suppresses the production of noise, and demonstrates favorable ease of assembly when in...
07/05/1994
5193949Arrangement for driving a rotary tool
An arrangement for driving a rotary tool is provided in which the tool shank is engaged and frictionally driven by the engagement of three or more drive rollers. Axial movement of the tool is accomplished by tilting the axes of the rollers as permitted by...
03/16/1993
5103687Self-adjusting trunnion assembly
A trunnion assembly (10) for adjusting a rotating cylindrical container (16) having a circumferential tire (7) is disclosed. The assembly (10) includes a rotating roller (11) supported between a pair of brackets with bearings (12) that are attached to a f...
04/14/1992
5053817Supporting and driving mechanism for a rotating body
A supporting and driving mechanism including a rotatable body and a supporting unit for assuring stable support and rotation of the rotatable body for a long time. The mechanism includes an axis member at either end of the rotatable body, a driven gear at...
10/01/1991
5035154Adjustment mechanism for a friction drive unit
An adjustment mechanism for a friction drive unit. To adjust the contact pressure between the friction wheel and a cooperating wheel of the friction drive unit, one of these wheels is mounted on a lever that is pivotable about a pivot axis. A cam that app...
07/30/1991
4909093Closure element translation mechanisms
This invention relates to a friction drive mechanism for a motorized sliding door. The door is suspended by a first rail and its movement guided by a third rail. A second rail is flexibly coupled to the first and biased against a motorized driving roller ...
03/20/1990
4893100External manual rotatable drive useable to tune a VCR
Disclosed herein is a drive device designed to be detachably mounted on an existing video cassette recorder and playback machine and including a friction wheel designed to frictionally engage a channel tuning wheel already located on the machine as manufa...
01/09/1990
4807827Friction drive for line guide on bait cast reel
An improvement in a bait cast reel of the type having a line-carrying spool, a rotatable crank handle with an associated crank shaft for imparting rotation to the spool to wind line thereon, a line guide, and a worm bear operable in response to rotation o...
02/28/1989
4782256Electricity generator for wheel detection
An electricity generator is attached to a rotating body having a case secured thereto. The case houses a plurality of rotary members which cannot revolve around the axis of the case but are rotated around their own axes as the case is rotated. A permanent...
11/01/1988
4750970Plastic sheet sealing/welding machine
A machine for gas-free sealing/welding of overlapping edges of thermoplastic material is provided and is of the type which includes a framework carrying an ultrasonic transducer horn assembly having a hammer at a lower end thereof. An anvil is positioned ...
06/14/1988
4691595Planetary transmission based on friction
A friction planetary transmission has a sun roller planetary roller and an elastically deformable outer periphery. The planetary rollers are attached to shafts which have a limited amount of radial movement. The outer periphery deforms to exert a friction...
09/08/1987
4593575Motor rotating apparatus
A motor rotating apparatus having a rotable shaft within a housing comprising means within the housing for receiving the output shaft of an electrical motor in communication with the rotable shaft, and means manually engageable on the exterior of said hou...
06/10/1986
4555963Torque limit drive transmission
A roller-type drive is provided having three rollers, one of which is a wedging roller which produces a tighter wedging action for all three rollers in response to increasing torque. A cross-pin is provided in the stud or axle about which the wedging roll...
12/03/1985
4552033Drive system for a microscope stage or the like
A drive system for slides and x-y stages in microscopes and similar instruments having the possibilities of both fine control and rapid displacement of the slides over larger distances. The drive system comprises a friction wheel and a friction track prov...
11/12/1985
4487090Friction drive transmission
A frictional drive transmission is provided with a plurality of drive rollers disposed within an annular path created between a shaft and a cylindrical inner surface of a case. The drive rollers are pivotally linked to pinions attached to a second shaft. ...
12/11/1984
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