Abstract: An adjustment tool is disclosed herein. For example, an adjustment tool is provided comprising an input gear having gear teeth and an output gear having gear teeth, wherein the input gear and the output gear are in meshed engagement, an input shaft centrally coupled to the input gear, wherein the input gear is configured to rotate about the input shaft, and a housing supporting the input shaft for rotation and supporting a fastener, wherein a tooth of the output gear protrudes from the housing.

Abstract: The present invention relates to a spindle drive.

Abstract: Lever (6) comprising at least a first element (61) for guiding in rotation of a first wheel (1), at least one friction element (62) which is designed to co-operate with an at least substantially cylindrical portion (10c) of the first wheel, and at least one resilient element (63), which is designed to return resiliently the at least one friction element to a state of co-operation with the said portion of the first wheel, notably in contact with the said portion of the first wheel.

Abstract: A propulsive apparatus for use in an electric vehicle includes a gear rotatable by a propulsive motor and having first teeth, and a constant velocity joint having an outer member which includes a larger-diameter portion having second teeth on an outer wall surface thereof. The second teeth serve as part of a speed reducer mechanism which is thus interposed between the propulsive motor and the constant velocity joint. When the gear is rotated by the propulsive motor, the propulsive power is transmitted through the speed reducer mechanism to the constant velocity joint for rotation.

Abstract: A gear transmission mechanism includes a housing, a first transmission assembly, a second transmission assembly, and a gear clearance adjustment assembly. The first transmission assembly includes an input shaft, and the second transmission assembly includes an output shaft. The gear clearance adjustment assembly includes an adjustment base mounted on the housing, fasteners, bearings, a washer, a fixing member, and a pair of freely rotatable adjusting gears for the transmission of rotative force. The adjusting gears mesh with the first and second transmission gears.

Abstract: The wear-compensation device for a gear comprises a fixed support capable of being fixed axially on an external element in order to keep the device on the said external element, a bearing designed to be mounted on a shaft comprising one of the wheels of the gear, an eccentric mounted on the bearing and designed to be in contact with the external element, the said eccentric being able to move angularly relative to the fixed support. The device also comprises a torsion spring mounted axially between the fixed support and the eccentric and capable of exerting a circumferential preload force on the said eccentric, the said spring comprising a first end mounted inside a recess of the eccentric and a second end interacting with the fixed support.

Abstract: A backlash eliminator includes an input shaft (15) coupled to a driving motor (20) and having a drive gear (52); an output shaft (14) fixing a gear (W), as an object to be cut, thereon, and having a driven gear (42); and a stationary intermediate shaft (16) and a moving intermediate shaft (17) disposed parallel to the input shaft and the output shaft, and having large intermediate gears (62, 72) meshing with the drive gear, and small intermediate gears (63, 73) meshing with the driven gear, and a switching regulating valve (31) for pressing the moving intermediate shaft in its axial direction so that an output-side backlash elimination torque (Ts) between the driven gear and the small intermediate gear (73) acts in the same direction as the direction of generation of a cutting load torque (Tw) generated in the circumferential direction of the gear during machining of the gear.

Abstract: A gear support mechanism for supporting two gears and an intermediate gear which meshes with the two gears to transfer rotation of one of the two gears to the other, includes a gear-shaft support member(s) which supports a gear shaft of the intermediate gear; and a spring member installed between the gear-shaft support member and the intermediate gear. The spring member includes a gear contacting portion which is in contact with the intermediate gear, and resilient support legs extend radially from the gear contacting portion and are in contact with the gear-shaft support member, the spring member biasing the intermediate gear in a direction of an axis of the gear shaft. Each of the two gears is positioned in an inter-leg space between adjacent resilient support legs as viewed in a direction along the axis of the gear shaft.

Abstract: A crank drive system (10) of a shaft (11) of a microtome (1) encompasses a first and a second shaft (11, 12). The first shaft (11) is rotatable with a crank (13) and comprises a first transfer gear (14). The second shaft (12) comprises a second transfer gear (15). A rotation of the first shaft (11) is transferable from the first transfer gear (14) to the second transfer gear (15) to cause the second shaft (12) to rotate. To make possible, with a microtome (1), an advance or a lowering of the specimen (2) in two respective oppositely directed rotation directions with the same crank drive system (10), the crank drive system (10) is characterized in that a third transfer gear (16) is provided. The first transfer gear (14) is selectably engageable with the second transfer gear (15) or with the third transfer gear (16) so that as a result, while the rotation direction of the second shaft (12) is maintained, the rotation direction of the first shaft (11) is reversible.

Abstract: The speed reducer according to the present invention is based on the wedge principle, and comprises an input shaft (1), an output shaft (10), an input cylinder (4) having a first wedge profile on its one side, an output cylinders (8) having a second wedge profile, a plurality of balls (7) positioned between said input and output cylinders (4,8), and a guide sleeve (5) having a plurality of horizontal grooves with semicircular cross section in its inner surface.

Abstract: A continuously variable transmission comprises an input shaft and an output shaft, a drive wheel, a toothed wheel or a chain wheel, an endless sleeve, a ring wheel, at least one linking member, wedge teeth or a chain, wherein the drive wheel is provided with an annular recess in which a plurality of reversal wedge teeth run, and the wedge teeth are connected with a head portion of the linking member connected with the ring wheel, the spread of axles between the drive wheel and the ring wheel is adjusted via the swinging of the endless sleeve; and with the aid of the locking and releasing operations of the wedge teeth, the linking members are urged to drive the ring wheel, whereby changing the input and output transmission ratio.

Abstract: An apparatus for controlling backlash comprising an intermediate gear capable of adjustably meshed engagement between a first driving gear and a second driven gear, and a body rotatably supporting the intermediate gear and capable of movement in a direction that reduces the center distance between the intermediate gear and either the first gear, the second gear, or both. The movement of the body utilizes both resilient urging and hysteretic damping to supply appropriately light resilient biasing while being fortified against rapid retraction or repulsion.

Abstract: Example embodiments of a media handling system are shown and described in which gears are moved by a carrier into engagement with a gear that is operably coupled to a media driver.

Abstract: A printer comprising: a sheet media transport mechanism for transporting sheet media past a printhead; a pick-up roller arranged to be rotated so as to contact and pick-up sheet media from a supply of sheet media and deliver the picked sheet media to the sheet media transport mechanism; and a gear assembly for communicating a driving force of a motor to the pick-up roller so as to rotate the pick-up roller, wherein a first gear of the gear assembly is arranged to disengage from a second gear of the gear assembly substantially at the point of delivery of a leading edge of the picked sheet media to the sheet media transport mechanism so as to cease communication of the driving force of the motor to the pick-up roller.

Abstract: A gear and a method for combining a first gear with a second gear including the steps of moving the first gear relative to the second gear such that a first tooth of the first gear contacts a second tooth of the second gear, pressing the first tooth of the first gear against the second tooth of the second gear such that a resultant force is not directed to a center of at least one of the first gear or the second gear, wherein a torque is created by the resultant force, and rotating at least one of the first gear or the second gear based on the created torque until first teeth of the first gear mesh with second teeth of the second gear.

Abstract: A transmission mechanism in a slot-in drive comprises a chassis respectively connected to a motor, worm, worm gear and a plurality of spur gears, a rubber roller, transmission sheet and control sheet, in which one of the spur gears and the rubber roller are connected to a same rotating shaft and can be driven by the adjacent spur gear; another spur gear can drive a rack of the transmission sheet to allow the transmission sheet to drive the control sheet to move; fewer components are installed in the whole structure, the assembly and the manufacturing are easier and the production cost can be reduced.

Abstract: A gear mechanism includes a driving gear, a driven gear, and an idler gear which is in mesh with the driving gear and the driven gear, wherein rotation of the driving gear is transferred to the driven gear via the idler gear. The idler gear includes first and second spur gears which are positioned adjacent to each other in an axial direction and are generally centered about a common axis, radial teeth of the first and second spur gears each being the same in shape, pitch and the number of teeth, and the first and second spur gears being biased to rotate in opposite directions. The first and second spur gears are connected so as to be relatively movable in a radial direction normal to the axial direction while maintaining the first and second spur gears in mesh with the driving gear and the driven gear.

Abstract: A magnetic recording/reproducing apparatus or an electric apparatus includes a reel gear, an intermediate gear, a swing arm, an idler gear and an input gear. The swing arm, idler gear and input gear constitute an idler mechanism. The intermediate gear is arranged apart from the reel gear. The swing arm is arranged between the reel gear and the intermediate gear. The swing arm is swingable between the reel gear and the intermediate gear around a center axis. The idler gear is attached to the swing arm. The idler gear is continuously kept in contact with at least one of the reel gear and the intermediate gear. The input gear is rotatable about the center axis, and is brought into contact with the idler gear.

Abstract: The present invention is concerned with a method for extracting selectively a metal from a metal mixture in the gaseous phase. The method comprises heating the metal mixture to vaporize the metal; condensing the metal contaminants present in the vapor; reacting any contaminants remaining in the vapor with a reagent to precipitate the remaining contaminants, and collecting the purified metal.

Abstract: A valve lifter is disclosed comprising a lifter housing having a receiver, a switch retainer having at least one bore, and a key disposed in the at least one bore. The key is movable into the receiver to lock the switch retainer against movement relative to the lifter housing.

Abstract: The present invention relates to a flexible bearing assembly for use in a transmission system. The flexible bearing assembly has a gear mounted to a first shaft, first and second pinions connected to a second shaft, and a flexible coupling element connected to the gear and the first pinion. The flexible coupling element is preferably formed by a flexible diaphragm.

Abstract: A gear drive, including a first shaft, a first gear wheel on the first shaft, a second shaft a certain distance away from the first shaft, and a second gear on the second shaft. The second gear wheel engaged with the first gear wheel by way of helical gearing. A third gear wheel is mounted on the second shaft a certain axial distance away from the second gear wheel to compensate for backlash. The third gear wheel also engages with the first gear wheel by way of helical gearing and being axially shiftable with respect to the second gear wheel. An expansion element is arranged so as to change a distance between the second gear wheel and the third gear wheel as a function of temperature.

Abstract: A spline connection is provided between a first part and a second part wherein a first set of internal splines is formed on an inner cylindrical surface of the first part and a second set of internal splines is formed on an inner cylindrical surface of the second part. Also included is a connector sleeve having first and second sets of external splines formed thereon. The connector sleeve is slideable between a pre-assembly position located fully within the second part and a fully assembled position in which a section of the connector sleeve is located in the first part and another section is located in the second part so that the first set of external splines engage the first set of internal splines and the second set of external spines engage the second set of internal splines.

Abstract: A process for forming complex microelectromechanical (MEM) devices having five layers or levels of polysilicon, including four structural polysilicon layers wherein mechanical elements can be formed, and an underlying polysilicon layer forming a voltage reference plane. A particular type of MEM device that can be formed with the five-level polysilicon process is a MEM transmission for controlling or interlocking mechanical power transfer between an electrostatic motor and a self-assembling structure (e.g. a hinged pop-up mirror for use with an incident laser beam). The MEM transmission is based on an incomplete gear train and a bridging set of gears that can be moved into place to complete the gear train to enable power transfer. The MEM transmission has particular applications as a safety component for surety, and for this purpose can incorporate a pin-in-maze discriminator responsive to a coded input signal.

Abstract: There is disclosed a gear module comprising an output gear pivotally fitted to a base, a transmission gear rotated by a driving force from a driving motor to transmit the driving force to the output gear, a power actuating lever having a base end pivotally fitted to the base to be rotated around the base end; an actuated lever having a top end pivotally fitted to the transmission lever and a base end pivotally fitted to the base; and a connection bar connecting the top end of the power actuating lever and the top end of the actuated lever, the connection bar allowing the actuated lever to rotate in accordance with a rotation of the power actuating lever and allowing the transmission gear and the output gear to be engaged with each other, wherein the link axises of the power actuating lever and the connection bar form approximately a straight line when the transmission lever is engaged with the output gear.

Abstract: An elevator safety based on having the elevator lift-rod, under the influence of the elevator governor, cause to rotate approximately elliptical cams, called quasi-elliptical cams. The cams are wider in one orientation, just as an ellipse has a major axis, wider than its minor axis. The cams are positioned to push against a brake pad as they rotate so that the major axis of each cam changes orientation with the minor axis. The cams can be shaped to simulate a wedge-type safety, even one using a wedge with multiple ramp angles. With essentially no additional complexity, the cam safety can be designed to operate with a bi-directional governor, one which exerts, usually through an intermediate linkage, force on the lift-rod in either the up or down motion depending on the unintended motion of the elevator.

Abstract: A transmission unit mounted on the machine base of an office automation machine and covered with a cover and controlled to turn a first roller and a second roller, including a gear transmission mechanism, a first roller transmission mechanism driven and a second roller transmission mechanism respectively driven by the gear transmission mechanism to turn the rollers, wherein the gear transmission mechanism includes a motor, a rounded seat raised from the machine base, a drive gear mounted on the rounded seat and coupled to the motor, an annular gear holder revolvably mounted around the rounded seat and having an upright gear shaft, an upright axle raised from the machine base adjacent to the rounded seat, a crank having a pivot hole at one end coupled to the upright axle and a gear shaft at an opposite end, a first planet gear revolvably mounted around the gear shaft of the crank and driven by the drive gear to turn the first roller transmission mechanism, a second planet gear revolvably mounted around the gea

Abstract: A load sharing right angle bevel gear drive comprises a housing having a power bevel gear that meshes with two bevel gears that are mounted in the housing for rotation about a second axis that is perpendicular to the axis of rotation of the power bevel gear.The power bever gear is mounted in a sleeve that automatically translates to equalize the power transmitted from the power bevel gear to the two bevel gears. The power bevel gear is axially retained in the sleeve by spaced rolling bearings and the sleeve translates on slides that retain the sleeve axially to counteract the axial components of the forces that automatically translate the sleeve.In one embodiment, One bevel gear is a power output gear and the other bevel gear is an idler gear that also drives the power output gear through a fourth bevel gear. In another embodiment both bevel gears are power output gears. The sleeves of both embodiments preferably translate on slide pins via recirculating bearing balls to reduce friction.

Abstract: The disclosure concerns an improvement for an automotive differential having helical-worm side gears operatively connected through one or more pairs of combination gears, each combination gear having a worm-wheel portion which meshes with one or the other of the side gears and a spur-gear portion which meshes with its paired combination gear. The improvement is a cylindrical mounting arrangement for one or more of the combination gears. Preferably, a cylindrical surface on a mounting washer mates with a cooperating cylindrical surface formed in the differential housing to permit slight positional-adjustment movements of the combination gear, such adjustment movements being limited to a plane perpendicular to the axis of the side gear with which the combination gear is associated.

Abstract: A clutch system for a gear drive particularly suitable for gear drives of vertical blinds having a movable gear which upon jamming of another gear moves radially to disengage the gears.

Abstract: A cylindrical gear unit which includes a gear housing, a gear pinion and a gear wheel, the gear pinion being fixed to a shaft which is rotatably journalled in bearings supported by at least one bearing support. One of the bearing supports comprises a sleeve in which a roller bearing is fixedly mounted, a fixing plate supported by the gear housing, as well as a disc-shaped rib portion which interconnects the sleeve and the fixing plate. The rib portion extends substantially along the entire length of the sleeve and the fixing plate and is substantially parallel to a tangential plane on the contact line between the gear pinion and the gear wheel. In addition, at least one stop face for the sleeve is arranged at a small distance from the outside of the sleeve on at least that side of the sleeve facing away from the gear wheel.

Abstract: A drive apparatus having a drive shaft, at least one driven element fixedly secured to the drive shaft for rotation therewith, and at least one driven shaft operatively connected to the drive shaft. The driven shaft is oriented perpendicular to the drive shaft and is translatable along a portion of the length of the drive shaft. The drive apparatus also includes a device for continuously rotating the drive shaft, whereby the driven element and the driven shaft are continuously rotated.

Abstract: A structure providing minimum fit mounting and rigid locking of a worm and gear drive includes a gear rotatably supported to a base, a worm drivably engaging the gear and bearings supporting the worm for rotation about its axis. A housing supports the worm bearings and is itself rotatably supported to the base for rotation about a second axis, which axis is parallel to but eccentric from the worm axis. Means are provided for pivoting the bearing housing such that the eccentricity of the pivot axes causes the worm to move toward the gear for close mounting and/or rigid locking therebetween.

Abstract: A bevel gear backlash adjusting mechanism is disclosed in which a bevel gear is carried by a bearing and is rotatably carried by a stationary shaft so as to be axially shiftable therewith. The stationary shaft includes a supporting portion carried by the frame of a power tool, the supporting portion having a section slotted at an angle to the axis of the shaft. An adjustable slide is also supported by the frame and extends into the angled slotted section of the stationary shaft with an edge thereof formed as a ramp at an angle corresponding to the angle of the slotted section and in engagement therewith. Motion of the adjustable slide normal to the shaft will influence axial motion of the stationary shaft and the bevel gear carried thereon so as to allow an adjustment of the mesh between the bevel gear and its associated bevel gear.

Abstract: Gearing mechanism providing for the automatic engagement and disengagement in a radial direction between successive gears in a gear train. A first gear, shown in the form of a rack gear, has a plurality of teeth traveling in a fixed path in space. Selectively meshing with the first gear is a second gear in the form of a pinion mounted upon a driving shaft, frictionally driven by the shaft, and having a degree of radial freedom of movement with respect to the shaft which is such that when the force opposing the driving of the first gear by the second gear exceeds a predetermined desired value the second gear is automatically driven out of mesh with the first gear. The two gears are restored to their initial meshing engagement by a further rotation of the second gear in the same direction through a predetermined angle.

Abstract: Apparatus usable in controlling, both automatically and manually, a valve stopper movable between first and second positions to control fluid flow through the valve, comprises(a) a power source,(b) a drive coupling the power source to the stopper to move the stopper between such positions,(c) an input for transmitting movement between a manual actuator and the stopper to move the stopper between such positions, and(d) the drive including decoupling mechanism operable in response to the transmission of movement as defined in (c) above to interrupt the coupling of the power source to the stopper.

Abstract: An actuator for a rotary valve includes a fail-safe mechanism for automatically opening or closing the valve upon the occurrence of a predetermined condition. The actuator also includes a mechanism for permitting the manual operation of the valve from the open to closed position, and vice versa, and to a continuum of positions between the open and closed positions even when the fail-safe mechanism is activated. A biased clutch activates the fail-safe mechanism and also couples a worm-gear drive for effecting the manual operation of the valve.

Abstract: An improved spring-wound prime mover provides a housing cavity that can automatically fix one end of a spring upon insertion. The gear train includes individual gears that automatically provide a first gear ratio for storing energy and a second gear ratio for releasing energy. The prime mover is assembled with a friction fitting arrangement to simplify manufacturing.

Abstract: Power transmitting gear trains comprising four bevel gears (2, 3, 5, 6) mounted between a vertical floating driving shaft (1) and a horizontal propeller shaft (4). The driving shaft integral with gear 2 is pivotably mounted about its axis X, but without axial freedom, on a rigid body 20 itself pivotably mounted about the axis Y of gears 3 and 5, with axial freedom.

Abstract: A method and apparatus for adjusting tooth flank play between two sun gears and at least two planetary gears of a bevel gear differential drive is provided in which, after establishing the operating positions of both sun gears on their sun gear shaft, each planetary gear is shifted on its shaft, previously inserted into a transverse bore of the sun gear shaft, after which the planet gears are brought into their precise operating positions relative to the sun gears and perpendicular to the sun gear shaft and are stopped there with the maintenance of an equal tooth flank play to the sun gears, by first inserting the planetary shaft into the transverse bore of the sun gear shaft in an axially displaceable manner, then placing each planetary gear on its planetary gear shaft with a previously calculated axial distance from the sun gear shaft, and then adjusting an equal tooth flank play by axial displacement of the planetary gears with their planetary gear shafts in the transverse bore and finally fixing planetary

Abstract: A control device has a fixedly mountable frame which has recesses and a fixed shaft extending across the recesses. Flat sided spherical elements having manual levers extending from them are rotatable on the shaft and each element has a sector gear fastened to one of its flat sides. Flat springs extend from the frame and press on the spherical elements to develop friction. Potentiometer support brackets are pivotally mounted to shoulders on the flat springs. Each potentiometer shaft has a spur gear which meshes with a sector gear. The spur gears and sector gears are biased into meshing relation with coil springs that span between brackets. A lip seal is provided between the spherical elements and their housing.

Abstract: A bearing and bearing mount comprising an adjustable combined sleeve and thrust bearing which may be adjusted during assembly for endwise positioning which is of generally top-hat configuration having a generally cylindrical sleeve bearing portion and a generally laterally outwardly extending annular rim-like portion providing a thrust bearing face generally perpendicular the axis of the sleeve bearing portion, the rear face of the rim-like portion being provided with a cam or ramp surface which rises progressively relative the front or thrust bearing face in a direction generally parallel the longitudinal axis of the sleeve bearing portion together with a saddle strap having a semi-cylindrical central portion adapted to engage the sleeve bearing portion and so fit against the sleeve portion of the bearing as to prevent it from rotating therewithin and provided with a cam or ramp surface that mates with and is adapted to engage the cam or ramp surface of the combined sleeve and thrust bearing so that relative

Abstract: In a spring driven motor having a drive gear (22) driven by a spiral drive spring (20) operatively connected thereto and a gear train for receiving and changing the rate of rotary motion imparted to the drive gear (22) by the drive spring (20), an improved clutch mechanism comprises an idler gear (30) interposed between the drive gear (22) and a gear (23b) of the gear train immediately adjacent thereto and support means (31) rotatably supporting the idler gear (30) and permitting the idler gear (30) to move translationally between a position in which the idler gear (30) is in simultaneously driven engagement with the drive gear (22) and driving engagement with the adjacent gear (23b) and a position in which the idler gear (30) is out of the aforementioned simultaneous driven and driving engagement.