Abstract: An improved auxiliary actuator for the engine of a remote control car is installed at one side of the engine of the remote control car and comprises a driving gear set and a driven gear set. The driving gear set includes a housing, which includes a hollow shaft sheath with a shaft connecting by a 45° angle to a side of the periphery of the housing. A connector is provided on the top of the shaft, while a driving bevel gear is provided at the bottom of the shaft and positioned inside of the housing. The driven gear set includes a cover provided above the housing. The cover has a through hole for receiving a one-way bearing which has a pivot inside. A driven bevel gear being engaged with the driving bevel gear is provided at one end of the pivot, while the other end of the pivot is connected to the engine drive. Accordingly, the engine of the remote control car can be actuated easily and promptly.

Abstract: A split torque gearbox having multiple input shafts. Each input shaft is connected to two face gears. Each face gear is connected to two quill shafts, one is coaxially mounted and the second is not coaxially mounted. Of the two quill shafts, one is positioned on a first side of an output stage and a second quill shaft is located on a second side of the output stage and the quill shafts are connected thereto. The output stage is connected to a main shaft.

Abstract: A mechanism for de-lashing a gear assembly includes a first gear rotatable about a first axis and a first center rotatably fixed to the first axis and a first conical teeth portion. The gear assembly includes a second gear rotatable about a second axis and a second center rotatably fixed to said second axis and a second conical teeth portion configured to meshingly engage first conical teeth portion when the first and second gears are aligned substantially coplanarly. A biasing means operably biases the second conical teeth portion of the second gear against the first conical teeth portion of the first gear to reduce any lash therebetween. The biasing means is configured to bias the second gear in an axial direction while maintaining a fixed center distance between the first and second axes. The first gear is rotatably fixed about the fixed first axis such that the first gear is prevented from translation along the fixed first axis.

Abstract: A torque dividing gear drive system, a method of driving an output gear, and a method of evenly dividing an output torque between three gears is provided. The torque dividing gear drive system that is provided has a first gear driven by an engine, a second gear coupled to the first gear, a third gear coupled to the first gear, a fourth gear coupled to the first gear, a fifth gear driven by the second gear, a sixth gear driven by the third gear, a seventh gear driven by the fourth gear, and an eighth gear driven by the fifth, sixth and seventh gears. The first gear may be a floating gear. A method of operating such system is also provided.

Abstract: In a gearwheel pairing, in which one of a pair of gearwheels has, at least at one side thereof a lid-shaped stop structure for engaging the other gearwheel for retaining it in engagement with the other gear wheel. The arrangement is expediently used in a differential transmission in particular a crown-wheel differential transmission.

Abstract: The invention relates to a rotation joint, especially for medical instruments, with a proximal and a distal part that are coupled to one another by means of a gear work and can be adjusted in relation to one another between a non-deflected starting position and an angled end position, where the gear work is housed in an intermediate part situated between the proximal and the distal parts and all three parts have at least one hollow center channel. In order to create a rotation joint that can be actuated by a non-angled position and can be secured in the deflected position, the invention proposes that the proximal part consists of two tubes that are arranged coaxially inside one another and can rotate in opposite directions around their longitudinal axis, where at least the outer tube is connected with a handle on its proximal side.

Abstract: The present invention provides an adjustable angle drive for a rotary power tool such as a drill. The adjustable angle drive includes input and output shafts journalled for rotation in input and output housings. The input and output shafts are rotatably coupled through gearing and are adjustable among different angular positions.

Abstract: In a first embodiment of the invention, a gear ratio multiplier has directly cooperating gears which serve to rotatably connect an input shaft to an output shaft through an intermediate shaft. The input and output shafts have parallel axes of rotation and extend, respectively, from seals in opposite sides of a housing. The inner ends of the input and output shafts are spaced from one another and are each provided with a pinion gear. The intermediate shaft is rotatably carried between the pinion gears and has an axis of rotation positioned at right angles to the axes of rotation of the input and output shafts. A pair of differently sized ring gears having different numbers of teeth are affixed on the intermediate shaft. The pinion gear on the input shaft engages the ring gear on the intermediate shaft whereas the pinion gear on the output shaft engages the ring gear on the intermediate shaft. The diameter pitch is a matter of advise per application as is the tooth size and tooth number.

Abstract: A hypoid speed reducer and a group of such devices capable of providing a high reduction ratio and still capable of reducing noise, lowering costs, enabling size reduction, and improving productivity. The hypoid speed reducer comprises a pinion shaft having a hypoid pinion formed thereon, and a hypoid gear set having a hypoid gear mating with the hypoid pinion. The hypoid speed reducer is constructed as a four-stage hypoid speed reducer having four gear sets including the hypoid gear set as the first-stage gear set, all of these gear sets being accommodated in a single gear box.

Abstract: In an electric power steering system, a second bevel gear is allowed to move toward a first bevel gear and is biased by a biasing member toward the first bevel gear thereby to be moved toward the first bevel gear as following the wearing away of these bevel gears.

Abstract: A direct drive differential containing a ring gear and a differential pin attached directly to the ring gear. This arrangement changes the load path through the differential case that allows for a new design to be created. The ring gear has a slot and the differential pin has a flat on the sides that mate together when assembled. The differential pin is round and the ring gear has a radius that mate together when assembled. The ring gear has a diameter machined into the inside ring diameter but allows a pin with slots to be assembled. The pin locks into place in the ring gear by rotating the pin during assembly. The ring gear has a through hole or is drilled and tapped and the differential pin has a hole therefore the two parts can be locked together in place.

Abstract: A differential gear assembly for an automobile includes an annular ring gear, a differential case, a pair of side gears substantially axially aligned and spaced apart from each other and adapted to be supported by the differential case and to engage an axle shaft of the automobile, and a pair of differential pinion gears substantially axially aligned and spaced apart from each other, and adapted to engage the side gears. A differential pin is secured to and extends diametrically across the ring gear and is adapted to support the differential pinion gears in engagement with the side gears and to allow rotational movement of the differential pinion gears about the differential pin.

Abstract: A control arrangement for an adjustable housing of a radar sensor has a holder on which a position of the housing is changeable by at least one adjusting screw which is turnable by a regulatable adjusting drive, and a control electronic unit provided for adjustment, via which said signals produced by the radar signal are evaluated or adjusting data stored in a storage are read, supplied to the corresponding adjusting drive and the position response command signals are transmitted to the corresponding adjusting drives.

Abstract: A machine tool rotational indexing device is provided that is capable of increasing transmission efficiency by preventing slip in transmitting a turning force of a gear mechanism and coping with high-speed rotational indexing with restrained heat generation. The device has a swivel slide loaded with a workpiece or a tool and is rotationally and indexably mounted in a specified rotational angle position on a fixed base. A large spur gear is provided in an outer peripheral portion of the swivel slide. A small spur gear meshed with the large spur gear is provided on an intermediate shaft arranged parallel to a rotational axis A of the swivel slide. A driving shaft arranged perpendicular to the rotational axis A and the intermediate shaft are connected to each other with a hypoid gear. The position of the large and small spur gears and the hypoid gear is adjustable to reduce backlash.

Abstract: An actuator with an electric motor which drives an activation element, such as a rotatable arm or a longitudinally movable rod, via a transmission. The transmission has at least two transmission stages, the first one being formed by a worm drive, the second one being formed by a crown and bevel wheel (5; 4a, 4b), the bevel wheel (4a, 4b) being driven by the worm wheel (3a, 3b), and the crown wheel (5) having a power take-off (15). The transmission may readily be formed so that the axis of the crown wheel (5) is in direct extension of the worm (2). A relatively compact transmission with a high gearing may be achieved hereby, and with worm wheel as well as crown and bevel wheel of plastics the transmission is also comparatively noiseless.

Abstract: An orientation preserving angular swivel joint suitable for mechanical robotic arms and in particular snake robots, the joint comprising two members and an angular bevel gear train that connects the two members of the joint. The gear train allows an actuator to be positioned along the axis of the joint while transferring forces to the periphery of the mechanism, thus creating a high mechanical advantage proportional to the radius of the robot. The gear train is capable of transferring rotational motion between the two members with a constant ratio. Relative rotation between two bays of the joint does not take place, thereby preventing electrical wires running through the body of the snake from being twisted, and thus avoiding failure.

Abstract: A geared motor has a motor unit and a plurality of transmission gears for transmitting a driving force from the motor unit to the output shaft. Shaft supporting parts for supporting both ends of the shafts of the transmission gears are formed in the surfaces of a casing which covers the output shaft of the motor unit and the transmission gears. An insertion hole is formed passing through a coupling surface to which an output-side end surface of the motor unit is fastened. The transmission gears are a first bevel gear and a second bevel gear meshing with the bevel gear and having a shaft oriented in a direction orthogonal to the shaft of the bevel gear. One of the first and second bevel gears includes shaft support parts for supporting both ends of the bevel gear.

Abstract: The invention is to provide a chainless transmission mechanism comprising a first shaft connected to a pedal of the bicycle; a first bevel gear connected to the first shaft; a second shaft perpendicular to the first shaft, two ends of which are connected to a second bevel gear and a third bevel gear, respectively, the second bevel gear being matched with the first bevel gear to drive the second shaft; a fourth bevel gear mounted on an axle of a rear-wheel hub of the bicycle to engage with the third bevel gear; a ratchet clutch connected between the rear-wheel hub and the axle; and a connection member connected between the fourth bevel gear and the rear-wheel hub. A bicycle with the chainless transmission mechanism of the invention is of a simple manufacturing process and a lower cost.

Abstract: The quiet drive of this invention provides for drive align imbalance and resulting drive align vibration and noise perceived by the vehicle occupants is overcome. The invention reduces imbalance in the system by establishing a theoretical center cylinder for the entire driveline components from the transmission or the transfer case if appropriate to the axle. Upon this theoretical centerline, each component is measured and controlled through unique design, machining and tolerancing to achieve an optimal minimum of driveline imbalance and resulting driveline vibration and noise perceived by the vehicle occupants.

Abstract: In a first embodiment of the invention, a gear ratio multiplier has directly cooperating gears which serve to rotatably connect an input shaft to an output shaft through an intermediate shaft. The input and output shafts have parallel axes of rotation and extend, respectively, from seals in opposite sides of a housing. The inner ends of the input and output shafts are spaced from one another and are each provided with a pinion gear. The intermediate shaft is rotatably carried between the pinion gears and has an axis of rotation positioned at right angles to the axes of rotation of the input and output shafts. A pair of differently sized ring gears having different numbers of teeth are affixed on the intermediate shaft. The pinion gear on the input shaft engages the ring gear on the intermediate shaft whereas the pinion gear on the output shaft engages the ring gear on the intermediate shaft. The diameter pitch is a matter of advise per application as is the tooth size and tooth number.

Abstract: In a first embodiment of the invention, a gear ratio multiplier has directly cooperating gears which serve to rotatably connect an output shaft to an output shaft through an intermediate shaft. The input and output shafts have parallel axes of rotation and extend, respectively, from seals in opposite sides of a housing. The inner ends of the input and output shafts are spaced from one another and are each provided with a pinion gear. The intermediate shaft is rotatably carried between the pinion gears and has an axis of rotation positioned at right angles to the axes of rotation of the input and output shafts. A pair of differently sized ring gears having different numbers of teeth are affixed on the intermediate shaft. The pinion gear on the input shaft engages the relatively smaller ring gear on the intermediate shaft whereas the pinion gear on the output shaft engages the relatively larger ring gear on the intermediate shaft.

Abstract: A multi-element composite object composed from first, second, and third metal components is provided, wherein the first metal and the third metal are weld incompatible. The multi-element composite object includes a first component fabricated from a first metal. A second component, fabricated from a second metal, is brazed to the first component A third component, fabricated from a third metal, is inertia welded to the second component . The first metal may be provided as a titanium alloy, e.g. a TiNi alloy. The second metal may be provided as low-carbon mild or alloy steel. The third metal may be provided as alloy steel, e.g., 9310 nickel alloy steel. In an embodiment, the multi-element composite object is a gear assembly, with the first element of the gear assembly object being a shaft and the third element of the gear assembly being a gear member with hardened teeth surfaces. The first and second components can be mechanically keyed together via an anti-rotational element.

Abstract: In a first embodiment of the invention, a gear ratio multiplier has directly cooperating gears which serve to rotatably connect an input shaft to an output shaft through an intermediate shaft. The input and output shafts have parallel axes of rotation and extend, respectively, from seals in opposite sides of a housing. The inner ends of the input and output shafts are spaced from one another and are each provided with a pinion gear. The intermediate shaft is rotatably carried between the pinion gears and has an axis of rotation positioned at right angles to the axes of rotation of the input and output shafts. A pair of differently sized ring gears having different numbers of teeth are affixed on the intermediate shaft. The pinion gear on the input shaft engages the relatively smaller ring gear on the intermediate shaft whereas the pinion gear on the output shaft engages the relatively larger ring gear on the intermediate shaft.

Abstract: A gearhead assembly between a drive shaft and an output shaft of a trimmer arranged parallel but staggered to one another, includes a bearing shaft extending perpendicularly between the drive shaft and the output shaft. The bearing shaft has a first end supported in the first housing part and a second end supported in the second housing. A central gear is mounted on the bearing shaft. A clamping device has a clamping shaft that has a first and a second opposed ends engaging the first and second housing parts. The second housing part together with the output shaft is pivotable about the bearing shaft relative to the first housing part in a plane parallel to the axial direction of the drive shaft. The bearing shaft is a hub, and the clamping shaft penetrates the hub.

Abstract: A shift-lever device includes a position plate integrated with a base plate and formed with a detent groove, a shift lever supported to the base plate to be swingable along the position plate and including a base arranged adjacent to the position plate, and a compression rod arranged through the shift lever to axially be movable by operation of a knob button. A detent protrusion is arranged with the compression rod at a lower end to be engageable with the detent groove. A guide integrated with the base of the shift lever holds part of the detent protrusion longitudinally with respect to a vehicle body.

Abstract: An arrangement performs a contact pattern test of bevel gears when they are produced. The arrangement includes a testing unit in connection with a machining apparatus, to which testing unit a finished bevel gear can be fastened to rotate around its axis so that the finished bevel gear and the other bevel gear which is being finished can be arranged into a rotating contact with each other so as to allow the contact pattern of the cogs to be checked.

Abstract: There is disclosed an actuator for a rotary valve, such as a butterfly valve which rotates a quarter of a turn between open and closed positions. The actuator includes a drive mechanism releasably attachable to the stem of the valve for rotating it in response to operation of a reversible electric motor.

Abstract: An angle drive, especially for agricultural implements, has a housing with two housing portions (1, 2). The two housing portions (1, 2) abut one another at a right angle. The angle drive is provided with a first bevel gear (11) arranged in the first housing portion. A second bevel gear (27) is arranged in the second housing portion. The two bevel gears (11, 27) are each supported by rolling contact bearings (16, 17, 33). The housing interior is sealed by seals (20, 20') between the first bevel gear (11) and the first housing portion (1) and between the second bevel gear (27) and the second housing portion (2). The two housing portions (1, 2) which concentrate on merely covering the outlines of the two bevel gears (11, 27) and provide an aperture (25) in the region of abutment between the two housing portions (1, 2), in which the two sets of teeth (14, 18) engage one another, produce a compact unit with a small enclosed volume.

Abstract: There is disclosed an actuator for a rotary valve, such as a butterfly valve which rotates a quarter of a turn between open and closed positions. The actuator includes a drive mechanism releasably attachable to the stem of the valve for rotating it in response to operation of a reversible electric motor.

Abstract: The invention is a compact gear drive with a maximum transmission range for a constant crown gear diameter and constant axial displacement. A pinion is mounted on a bearing remote from the crown gear. The pinion is constructed as a hollow shaft and is fictionally connected to a drive shaft of a driving motor.

Abstract: Disclosed is a series and a series group of orthogonal gear reducers with motors. A motor cover is disposed separately from a gear box. In each of sub-series (frame number) wherein the gear boxes have the same fitting dimensions (sizes) to be mounted to a mating machines, the following requirements are satisfied: 1 The fitting dimension between the motor cover and the gear box is made constant; 2 An axial shifted amount between a hypoid pinion and a hypoid gear is made constant; 3 an outside diameter of the hypoid gear is made almost constant; and 4 a distance between the center of the hypoid gear, and the mounting surface for the motor cover and the gear box is made constant.

Abstract: A bevel gear transmission for a marine outboard drive having hydraulically actuated clutches for selectively coupling oppositely rotating bevel gears to a shaft to affect either forward or reverse drive. The bevel gears are each supported on the shaft by thrust bearings and are on the outer sides of the bevel gears and are urged into engagement with the thrust bearings by coil compression springs that also act to release the respective clutches. As a result of this arrangement, a constant lash is maintained between the bevel gears regardless of whether they are transmitting a driving thrust or not.

Abstract: The speed reducer comprises a first shaft which is supported so as to be able to slide axially, is suitable for being rotatingly actuated and a pinion whose set of teeth are slightly beveled is located thereon. A second shaft is supported so as to be able to slide axially with an axis parallel to the first shaft and a gear and a further pinion, are located thereon both having sets of teeth slightly beveled in opposite directions and suitable for meshing respectively with the pinion of the first shaft and with a further gear which is fixedly located on an output shaft, coaxial to the first shaft. A device is provided for adjusting the axial position of the first shaft, so as to move the sides of the conical sets of teeth of the gears closer in order to eliminate the related clearances.

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: A gear arrangement includes two coaxial output bevel gears having a common pitch axis and rigidly coupled each to the other. Two coaxial bevel pinions, each of which meshes with a corresponding output bevel gear, are flexibly coupled together via a quill shaft. The quill shaft is used to adjust the preload of one of the pinions against the other, whereby the load capacity of the gear drive is substantially equal to the sum of the load capacity of the two pinion/gear pairs.

Abstract: A pair of semi-spherical bevel gears comprising a plurality of gear teeth and grooves radially arranged within an angle of 360.degree. which are formed by driving shaft and a driven shaft through the mutual contact of the pair of semi-spherical bevel gears, and a hollow boss disposed in a gear head of the gears for receiving the shafts therein for forming a hollow portion so as to contain a coil spring, respectively.

Abstract: A bevel gear unit comprising a bevel gear (11), a ball bearing (B.sub.1) coaxially mounted on the shaft of the bevel gear (11) and in contact with the back surface (17) thereof, a double spacer including an inner race spacer (12) and an outer race spacer (13) and mounted on the shaft of the bevel gear (11) behind the ball bearing (B.sub.1), ball bearings (B.sub.2, B.sub.3) mounted on the shaft of the bevel gear (11) behind the double spacer, and a bearing nut (15) screwed onto a threaded portion of the shaft of the bevel gear (11) behind the ball bearings (B.sub.2, B.sub.3). The axial length (l.sub.1) of the inner race spacer (12) is made smaller than the axial length (l.sub.2) of the outer race spacer (13) by a preloading allowance (.delta.), and the outer race spacer (13) is provided with threaded holes (t.sub.1) in the rear surface (f.sub.1) thereof.

Abstract: An improved three-speed or coaster bicycle having a driver bevel gear connected to the pedals, a driven bevel gear at the hub of the rear wheel, one or more drive shafts having beveled gears at each end and capable of transmitting the rotation of the driver gear to the driven gear.

Abstract: An assembly consisting of two bevel gear angular drives which are pivotably connected to each other via a pivot bearing, the bearing system including two bevel roller bearings which are tensioned relative to each other between the two sleeves. The shaft carrying the two bevel gears is also supported via bevel roller bearings in the sleeves. In this way it is possible to obtain an assembly which is suitable for implements which transmit high tensile forces to the assembly, without the bearing system and the rotary function of the two drives being adversely affected.

Abstract: Prior art non-generated, tip-relieved spiral bevel gears had tip-relieved surfaces that were nonuniform from the toe to the heel thereof. The subject tip-relieved spiral bevel gear is adapted to be manufactured by a gear generating machine, and includes a plurality of modified gear teeth individually having a convex tooth face and a relatively uniform tip-relieved surface on the convex tooth face from the toe to the heel portion thereof substantially parallel to the face angle at the outer tip surface. A two-pass method of machining the modified gear teeth is described.

Abstract: A power transfer apparatus for imparting drive motion to followers. The power transfer apparatus mechanically and rotatably communicates with a driven wheel of a vehicle and transfers rotary power to the non-driven wheel of a vehicle. The present invention teaches a power distribution apparatus for mountain bicycles that mechanically and rotatably communicate with a pedal driven wheel and that transfers rotary power to the non-driven wheel to improve the forward propulsion of the mountain bicycle under rough terrain riding conditions. The power transfer apparatus includes a first caliper assembly having a driver idler and an auxiliary free wheeling idler for engaging a pedal driven wheel of a bicycle, a cable drive system coupled to the driver idler transfers drive motion from the driven wheel to a second caliper assembly having a receiver idler that engages the drive motion to the non-driven wheel.

Abstract: A bevel angle drive having an input shaft with a plurality of first gears disposed at intervals thereon and a plurality of output shafts driven through second gears by the first gears and disposed radially to the input shaft. Each of the first gears has a hollow shaft. The output shafts with the second gears in the form of bevel gears are mounted each in a drive casing in which the particular first gear is journaled. The input shaft is brought in a longitudinally displaceable manner through each hollow shaft of all first gears and is joined for co-rotation to the letter by means of a driver.

Abstract: A perpendicularly intersecting gear device comprising a first bevel gear, a second bevel gear meshingly engaging perpendicular to the first bevel gear, a housing consisting of mutually mating first and second portions, and a drive shaft extending through and being secured to the first bevel gear. A pair of first bearing portions are provided in the first portion of the housing for supporting the drive shaft on opposite sides of the first gear. A second bearing portion is provided also in the first portion of the housing for supporting rotatably the second bevel gear which is disposed between the second bearing portion and the drive shaft.

Abstract: A mowing machine has a plurality of drive housings that are associated with the cutting units. Each unit has a carrying shaft that rotates a carrying unit which includes a carrying arm, cutting blades, and a covering disc. The carrying shaft is connected by gearing, located within the sealed drive housing, to the mowing machine's drive shaft. When the machine is in operation, the resulting friction within the drive housing causes the lubricants and air therein to expand. A channel is provided in the carrying shaft that opens at its lower end into the drive housing and at its upper end at the top of the carrying shaft under a conically configured cup spring, into a space which is not sealed from ambient pressures. The channel thus functions as a pressure vent to the otherwise sealed drive housing and permits the lubricants and air therein readily to expand and contract.

Abstract: An antibacklash beveled gear drive is disclosed. The drive is constructed adjust for intial misalignment and subsequent wear. One of the gears is journaled on a driven shaft and has a biasing means which bump the gears into engagement.

Abstract: A gear drive for a shuttleless loom is equipped with a coupling device or clutch between an input first gear group (G1) and an output second gear group (G2). The coupling or clutch provides a form-locking connection between the two gear groups which convert a continuous rotational movement on the input side into a back-and-forth movement on the output side to drive, for example, a gripper rod for the insertion of the weft thread into the loom shed. The coupling device or clutch can be rapidly operated by an electromagnet or by an electric motor and greatly facilitates performing the operations that are, for example, necessary for repairing a broken weft thread.

Abstract: A bevel gear angle drive suitable for use in the drive line from an agricultural tractor to an agricultural implement comprises a housing 24 with input and output shafts at right angles having respective bevel gears 36 and 38 engaged with one another within the housing. The output shaft comprises a journal 40 to which is secured the outer joint part 44 of a constant velocity ratio universal joint; the journal being supported for rotation in bearings 46 at one side of the housing and the outer joint part being supported in bearings 48 at the other side of the housing. The output shaft bevel gear 38 is mounted on the journal 40 intermediate the axially separated bearings 46 and 48.

Abstract: Power transfer apparatus mountable intermediate a vehicular transmission and drive shaft comprising an input shaft spline mounted to one side of an inner split differential housing having a plurality of planetary gears rotatively mounted interiorly about the mating surfaces of the housing halves in engagement with a side gear. An output shaft mounted to the side gear rotatively extends through the differential housing at a bearing surface formed therein. Bearings journaled within a surrounding lubricant containing housing separately support the input and output shafts to rotate therein. Power is progressively transferred to the output shaft with the inability of the planetary gears to maintain pace with the input shaft.

Abstract: A horizontal drilling and milling machine having a spindle head which is rotatable about an axis set at 45.degree. relative to the horizontal. In the horizontal and vertical working positions of the spindle sleeve, the spindle head can be arrested via a support housing. In its horizontal working position, the spindle sleeve is rotatably driven exclusively by a spur gear system, and in its vertical working position is rotatably driven with the aid of a bevel gear system.

Abstract: An angular transmission mechanism having two axles angularly disposed for torque transmission therebetween by two bevel gears which are embraced by an elastic toothed belt having a surface area which, in the untensioned condition of said belt, has the shape of a truncated cone, the belt having teeth which correspond to the teeth of the bevel gears.