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Patent Searching and Data


Matches 251 - 300 out of 3,503

Document Document Title
WO/2000/032962A1
The invention relates to a device comprising rolling bodies. Said device comprises a principle axis of rotation and at least one first radial bearing which is axially aligned in relation to the principle axis of rotation and which compri...  
WO/1999/063648A1
A magnetic motion transmission device (10) which comprises a magnetic body (15) which has an outer cylindrical surface and radial end walls, is polarised axially of the cylindrical surface and, at the opposed radial ends of the cylindric...  
WO1999054644A9
A double-eccentric friction drive (20) having a natural and automatic friction-increasing effect under load includes a friction ring (28) and a wheel (26) which is located eccentrically with respect to the friction ring (28), and a ring-...  
WO/1999/054644A1
A double-eccentric friction drive (20) having a natural and automatic friction-increasing effect under load includes a friction ring (28) and a wheel (26) which is located eccentrically with respect to the friction ring (28), and a ring-...  
WO/1999/038647A1
The invention relates to a drill or milling head, especially for printed-circuit board milling machines and engraving machines, having a collet chuck (11) which can be actuated by a rapid change mechanism and which is driven by a gearbox...  
WO/1999/030095A1
The invention concerns a device for driving a cylinder (1) in rotation about its longitudinal axis, comprising (a) a ring gear (2) perpendicular to the cylinder axis; (b) truncated rollers (4, 5) arranged on each side of the ring gear, o...  
WO1998000657A3  
WO/1998/023882A1
The invention concerns a module made up of 3 pairs of extendable bowls (A A', B B', E E') for transmitting circular forces and the mechanical articulation. The cohesion of the module is provided, either externally by an octahedral frame ...  
WO/1998/000657A2
A precision gear system as described in claim 1 is suitable for stepping down fast engines. The working principle as a straight differential, wherein rotating gears (2, 3, 4) and central gears (5, 7) exhibit slight radial differences and...  
WO/1996/031713A1
There is disclosed a differential gear comprising an input member constituting a cage (10) for rolling means (21) and having drive input means (30) and being mounted for rotation about an output axis comprising output half-shafts (41, 42...  
WO/1996/030670A1
Planet gear with an input axle (1a), an outer ring (4) which presses planet wheels (6) radially against a central sun axle (2), said planet wheels (6) being rotatably mounted on stays (7), the diiameters of which are smaller than the hol...  
WO/1995/034116A1
A motor device in which a motor section is disposed around a center shaft, a reduction gear section being disposed on an outer circumferential position thereof, whereby the thickness of the device is reduced in a rotational axis directio...  
WO/1995/033145A1
The invention relates to a planetary gear type or frictional wheel type speed reducer (10-10E), in which in order to obtain a practical construction of a planetary gear type or frictional wheel type speed reducer having a simple construc...  
WO/1995/016861A1
The present invention relates to an electric fan employing three impellers which are so implemented as to receive the driving force of the motor M, and more particularly, to an electric fan equipped with the second crank device (1200) an...  
WO/1994/024460A1
A mechanical device for rotation speed reduction, multiplication and variation consisting of a combination of two coaxial crown wheels of which one (6) is stationary or conditionally movable and rigidly connected to the reducer body (11)...  
WO/1994/021940A1
The invention relates to a mechanical gearing (1). This comprises a frame, a first shaft (2) mounted rotatably on the frame and carrying a pair of friction wheels (3, 4) which are disposed at a distance from each other and which have mut...  
WO/1994/012811A1
A roller drive assembly comprises a drive spindle (1), at least two planet rollers (4) each in driving contact with said spindle and an outer annulus (5, 6) with which each planet roller has two distinct engagement zones. For each zone a...  
WO/1992/014572A1
An arrangement for driving a rotary tool (17) is provided in which the tool shank (18) is engaged and frictionally driven by the engagement of three or more drive rollers (14, 15, 16). Axial movement of the tool (17) is accomplished by t...  
WO/1991/016558A1
A speed reducer with frictional wheels for machines having a high rotation speed, of the kind which has a double planetary gear train. Said speed reducer uses, between a primary rotor (2) and the output shaft (3) of a driven rotor, the m...  
WO/1991/013272A1
The present invention provides a compact speed increasing device which may be mounted upon the way tubes of a powered multi-purpose woodworking tool. The speed increasing device includes a horizontal input shaft (46) for connection to th...  
WO/1990/012224A1
A drive mechanism (10) or transmission for transmitting power and/or motion to an object includes an input driving member (14), an output driven member (26), and a rigid coupling member (36). By changing the arrangement of the driving an...  
WO/1989/007212A1
A planetary transmission comprises a casing, a driven and a driving shaft with an unbalance on which are mounted a first link shaped as a disk (6), the second and the third links located on both sides of the first link and provided, on t...  
WO1989005261A3  
WO/1989/005261A2
A marine trolling propulsion system (2) has a lower submerged housing (4) including an electric motor (5) driving a propeller (6) through a reducing traction drive provided by rolling contact of three balls (57-59) between split inner ra...  
WO/1988/005138A1
A continuously variable transmission (24) has a driving pulley (12) and a driven pulley (14) each of which has a V-shaped groove (24, 26) in which sits the belt (28). The belt (28) comprises a base portion (84) of a rubber-like compound ...  
WO/1986/001572A1
The automatic friction wheel torque converter enables a bearing-free adjustable force transmission, with different loads and speeds, for example in electric vehicles or machines. Said converter is simple, economical and has a high effici...  
WO/1984/003688A1
The assembly comprising a motor unit (9), the driving pulley (8), the take-up pulley (6), the movable groove roller (3) is pivotingly mounted with respect to the fixed pressure roller (2) by means of a jack (19) of which the piston (21) ...  
WO/1984/000590A1
A friction drive device for a capstan of a tape recorder has a capstan (4) and a friction wheel (8) for transmitting rotational force when in contact with a flywheel (9), to which the capstan (4) is attached. It also comprises a support ...  
WO/1979/000057A1
A device for machining the surface of workpieces having irregular contours, having the form of a rotating body set against the surface to be machined and which periphery carries the tools for machining the surface of the workpiece, the r...  
JP2020159535A
[Subject] The whole traction reduction gears which can form a surroundings stop member for preventing relative rotation of an in Tanal ring with high precision, and contain a housing can be assembled easily. [Means for Solution] Solar ro...  
JP6762516B2  
JP6762515B2  
JP6756131B2  
JP2020133719A
[Subject] Even when a size error arises on parts in contact with a planet roller or a planet roller, it is providing a traction gearbox maintainable in the state each part article having been contacted to a planet roller. [Means for Solu...  
JP2020133604A
[Subject] A speed-increasing system is suitably made lubriciously possible, and a centrifugal compressor which does not produce a characteristic fall of a speed-increasing system or a motor is provided. [Means for Solution] In a centrifu...  
JP6740950B2  
JP6727058B2  
JP2020105985A
[Subject] Reduce churning resistance at the time of rotation of a ring member. [Means for Solution] Partition 90 is arranged between ring member 62 in speed-increasing gear room S2, and bottom 24 of body part 25. Centrifugal compressor 1...  
JP2020101230A
[Subject] Control being attached after a ring has inclined to an arm. [Means for Solution] Arm 33 has a pair of contact parts 33b which contact both parts located in both sides of the 2nd direction X2 at least, respectively in edge 34e o...  
JP6716959B2  
JP6713663B2  
JP6713363B2  
JP2020094668A
To provide a friction transmission-type reduction gear which can enhance a reduction ratio while being small in size.A sun roller 10 of a friction transmission-type reduction gear 100 rotates with a rotating shaft 9 as a center. A plural...  
JP6702310B2  
JP2020515796A
It is a compound planet friction drive containing the first solar wheel (2) and a planet wheel (3), It engages with the above-mentioned planet wheel (3), and this planet wheel (3) is provided with two external portions (3b) which has the...  
JP6702103B2  
JP6700526B2  
JP6701901B2  
JP2020070859A
To provide a structure that can increase torque of a spindle of a machine tool and then output the torque to a tool by being detachably attached to the spindle.An attachment 1 of a machine tool engages an input part 7 of an input shaft 3...  
JP2020067146A
To provide a belt transmission device and a grinder that can restrain an increase in size of the device.A belt transmission device 2 according to an embodiment comprises a first rotating body 10, a driving source 20 for rotating the firs...  

Matches 251 - 300 out of 3,503