Abstract: An ink jet recording apparatus includes a shaft for receiving rotational driving force; a clutch gear mounted on the shaft rotated by rotation of the shaft and movable in a longitudinal direction of the shaft; a transmission gear engageable with the clutch gear in accordance with movement and rotation of the clutch gear, wherein a predetermined mechanism is operated by rotation of the transmission gear by engagement with the clutch gear. The clutch gear includes a flange disposed at a position engageable with a portion of the transmission gear to prevent rotation of the transmission gear before the movement of the clutch gear for the engagement with the transmission gear; a starting tooth for engagement with a predetermined tooth of the transmission gear in accordance with the movement and the rotation; and a non-engagement portion faced to the transmission gear before the engagement of the starting teeth.

Abstract: In an engine-powered wheeled vehicle, having a clutch interposed the engine and the drive wheel, actuated through a clutch cable operated by a moveable engaging/disengaging clutch handle, a clutch oscillator assembly including a chassis for mounting on the vehicle intermediate the clutch and the clutch handle, a shaft supported on the chasis for powered rotation about a fixed axis, a switched for interrupting the power to the shaft to cause controlled rotation thereof, a cyclic drive in association with the shaft for alternately pulling and releasing the clutch cable as a function of rotation of the shaft and including a work plate pivotally mounted on the chassis arranged to be driven by the shaft and further including a lever pivotally mounted on the chassis having one end in releasable contact with the clutch cable, wherein the cyclic drive includes a post mounted on the work plate, spaced-apart from the pivotal mounting thereof, and adapted to move as the work plate is turned, to create rhythmic contact b

Abstract: A control for an extended range splitter type compound transmission (10) comprising a main transmission section (12) connected in series with a splitter type auxiliary transmission section (14) connected in series with an extended range section (15) is provided. The main section shift lever (72) has a first (1) and a second (1E) position for selection of low ratio (50). Selection of the second position (1E) will automatically cause the extended range section clutch (206) to be shifted to the speed reduction position thereof.

Abstract: The disclosure relates to the use of two clutches, one associated with each wheel of a two wheel snowblower, selectively operated by a pivoting control on the handle so as to allow for power steering of the snowblower.

Abstract: A power transmitting apparatus for use in a vehicle, provided with a motor having at least one output shaft to which a traveling electromagnetic clutch and at least one power-transmitting electromagnetic clutch are attached, a plurality of clutch plates capable of being connected to the power-transmitting electromagnetic clutch while being aligned therewith, and operating shafts fixed to the clutch plates. The power-transmitting electromagnetic clutch is moved by the operation of the traveling electromagnetic clutch and the rotation of the motor to a position at which the power-transmitting clutch can be connected to one of the clutch plates selected as desired.

Abstract: Disclosed is an actuator for a friction engagement device of the type adapted to allow power transmission between two shafts by releasing engagement of the friction engagement device concerned. The actuator comprises a torque/thrust conversion device composed of two elements and adapted to effect and release the engagment of the friction engagement device, a pair of gears respectively connected to the two elements, and a torque generating mechanism gear which is engaged with the pair of gears, the gear ratio between the torque generating mechanism gear and one of the pair of gears being slightly different from that between the torque generating mechanism gear and the other of the pair of gears. In this arrangement, the motor torque is directly converted into the power for effecting and releasing the engagement of the friction engagement device, whereby the control method is simplified and the response to the control signal expedited.

Abstract: A reduction gearing device of a windshield wiper motor is disclosed, which comprises a gearing mechanism having a high transmission efficiency and a stop-position controlling device. The gearing mechanism is provided with a unidirectional clutch, or an output shaft holding part comprising a bearing and a rotation controller provided with spring and roll for controlling the rotation in only one direction.

Abstract: A field installable motor operator for a circuit breaker includes a bidirectionally controllable motor that is coupled through a torque limited module to a circuit breaker operating mechanism. The motor is bidirectionally driven by a transistor switching bridge that supplies output current in reversible flow directions through one of the windings of the motor to the input of a rectifier bridge that supplies the other winding with currents that flow in the same direction. The torque limited module includes a centering and spacing ring which precisely confines the clutch elements to provide consistent torque. The motor is supplied with a current pulse of 250 milliseconds duration that is longer than the time required to fully operate the breaker. The clutch slips when breaker opeation is completed and permits the motor to overrun without damage.

Abstract: The present invention relates to a torque converter device which is suitable for use incorporated in a wheelchair. The device includes, on each side of the wheelchair, two one-way clutches such as that which is illustrated in FIGS. 10-11 of the U.S. Pat. No. 4,763,544, coupled together with a handle mechanism so that when a user manipulates the handles forward and backward, force is transmitted to the wheels of the wheelchair. By twisting the handles in one direction or another, the directions of movement of the wheelchair may be reversed.

Abstract: An operator mechanism for a sliding gate including an electric motor driving a speed reducer through a worm gear and worm wheel arrangement and a multi-disk clutch positioned within the housing of the speed reducer. A sprocket wheel is positioned on one end of the output shaft of the speed reducer and a clutch operator member is slidably mounted on the other end of the output shaft. A disconnect mechanism is provided in association with the collar to move the collar in a macro sense to engage and disengage the clutch, and an adjustment mechanism is also provided in association with the collar to move the collar in a micro sense to adjust the load at which the clutch will slip when encountering an obstacle. The disconnect mechanism may be operated without disturbing the setting of the adjustment mechanism.

Abstract: An intermittent drive mechanism includes, a continuously rotating driving gear; a subsordinately driven gear disposed in a position close to the driving gear, an epicyclic gear being held in such a manner that it can be engaged with the driving gear by its own rotation along the periphery of the driven gear which remains engaged with the epicyclic gear, and a shifting plate that causes the epicyclic gear to be either engaged with the driving gear or disengaged from it by its movement. In response to movement of the shifting plate, when the epicyclic gear is engaged with the driving gear, the rotation force of the driving gear is transmitted to the subordinately driven gear via the epicyclic gear, whereas the transmission of the rotation force is discontinued when the epicyclic gear is disengaged from the driving gear, and, as a result, the subordinately driven gear is intermittently driven.

Abstract: A document transport and printing apparatus which utilizes an associated clutch for use in printing and endorsing documents like checks at a printing station in the apparatus. The apparatus utilizes a single input shaft as an input member for the clutch and as an input member for a soft drive roller located at the printing station. The clutch utilizes a moveable sector portion which is moved between inactive and active positions to rotate an associated planetary member to provide a reduction in the rotary movement of the output member of the clutch when the sector portion is moved to the active position.

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 clutch mechanism for engaging and disengaging the thread (14) of a worm (13) from the teeth (17) of a worm gear (16). The worm (13) is mounted in a carrier block (47), disposed in a cavity (39) of a housing (12), from translatory movement towards and away from the worm gear. Springs (52) normally bias the worm away from engagement with the worm gear, while air pressure (34) is used to force the worm towards and into engagement with the worm gear. The cavity (39) and block (47) are tapered to prevent binding during movement of the block, and a spur gear drive is used to drive the worm (13) by motor (22), with the spur gears (18) and (19) being in mesh at all times during movement of the block (47).

Abstract: A mechanical clutch which is selectively engageable and disengageable. Interposed between an input member and an output member are a plurality of clutch rollers. In disengaged mode they rotate freely, relative to the members. In engaged mode they bunch together, thereby locking together and to the members, all of which then move together as a unit. A control member is applied to the clutch rollers to either engage or disengage the clutch. The movement of the members may be rotary or linear.

Abstract: A sheet feed device for sequentially selecting and feeding sheets of paper from one or more trays or magazines mounted upon a printer and delivering them to the platen of the printer. The device includes one or more selector latch mechanisms, one associated with each tray, whose movement is controlled by the platen rotation and which, in turn, controls the rotation of sheet feed rollers associated with the trays, in response to a specific sequence of forward and reverse angular platen movements.

Abstract: A hydrostatic transaxle assembly T is disclosed including a pump (11), a manifold portion (13), and right and left motor axle assemblies (15 and 17). Each of the motor axle assemblies includes a radial ball motor (41), the output of which is the input to a gear reduction section (53). Each gear reduction section (53) includes primary and secondary planetary gear sets (55) and (57) including a planet carrier (79) driving the respective axle shaft. The transaxle assembly T includes a locking differential and parking brake mechanism (87) which comprises an engagement mechanism (89) and an actuation mechanism (91). When the engagement mechanism (89) is disengaged, the motor assemblies (15) and (17) are free to operate at different speeds for normal differentiation. The actuation mechanism (91) can be actuated to either a locking differential mode (FIG. 8) or a parking brake mode (FIG. 9).

Abstract: An industrial robot has a base and the mechanical links of a shoulder, arm and hand joined in series with a waist joint, shoulder joint, wrist roll joint and wrist pivot joint. A clutch mechanism is associated with each joint, and continuously spinning shafting extends through all the links and joints. The clutch mechanisms each take power upon electronic command from the shafting to power the joints and move the links relative to each other.

Abstract: An adjusting device with an overload slip system and a slip-independent position indicator includes a driving system and an adjusting member movable by the driving system between two end stops. The driving system includes an electric motor housed in a housing and a planetary transmission connected to the motor shaft, the power output shaft of the transmission being in engagement with the adjusting member. A stationary, internally toothed ring of the planetary transmission is confined between facing peripheral edges of the divided housing and is capable of slipping relatively to the edges of the housing under overload conditions. A support plate with a circular electrical resistor is fixedly connected to the housing on the side of the power output shaft. A runner contact connected to the power output shaft is movable over the resistor.

Abstract: A decoupling device for gear motors used in cargo conveyor belt systems in which a coupler member is free to move axially on the output shaft of the gear motor to cooperate with the final gear of the gear train in the motor housing. A spring member maintains the coupler in engagement with the final gear via the corresponding jaw structures. Disengagement of the respective jaw structures is accomplished by axially moving the coupler member along the output shaft by means of a self-securing pivotally mounted yoke which engages the coupler for transmitting axial motion thereto. The yoke is pivoted by means of a cam follower device mounted for pivotal movement exteriorly of the gear housing to thereby rotate to one of two positions, thus connecting or disconnecting the aforementioned respective jaw structures on the output shaft.

Abstract: A control system for a four wheel drive vehicle wherein the front wheels (or rear wheels in a conventional front wheel drive set up) are automatically engaged and disengaged from the vehicle drive train at both the transfer case and at the front wheel hubs. The engagement and disengagement at the transfer case is accomplished with conventional controls. The engagement and disengagement between the axles and wheel hubs is accomplished by providing concentric gear teeth portions in overlaping sections of the axle and wheel hub. A clutch ring with corresponding gear teeth is moved into and out of simultaneous engagement with the wheel hub and axle to lock them together. A pressure chamber having a movable wall associated with the clutch ring, is connected by an air line and control valve to the intake manifold of the vehicle's engine.

Abstract: A driving rotary member which is rotatably fitted around a main shaft is rotated by a driving force from a motor. An intermediate gear is rotatably provided on one surface of the driving rotary member so as to have a different axis from that of the main shaft. A clutch gear having a gear portion, meshing with the intermediate gear and a clutch disk member, is rotatably fitted around the main shaft. A clutch plate is fitted around the main shaft so as to be rotated integrally with the driving rotary member while being brought into contact with the clutch disk of the clutch gear. The clutch plate is brought into contact with the disk of the clutch gear by a contact means. A driven rotary member having a gear portion on an inner surface thereof which meshes with the intermediate gear is also fitted around the main shaft so as to be rotatable together with and relative to the driving rotary member. A driving force transmitted from the driving rotary member is supplied to the antenna by the driven rotary member.

Abstract: A hydro-mechanical transmission wherein the mechanical power path comprises three planet gears rotating at different speeds (for any given speed of the associated sun gear). The hydrostatic power path includes a different sun gear, three other planet gears, and a ring gear. Clutch mechanisms are arranged to selectively connect different ones of the mechanically-driven planet gears to associated ones of the hydrostatically-driven planet gears.The percentage of power through the hydrostatic and mechanical power paths varies according to the rotational speed of the output member (ring gear). The transmission occupies a relatively small space, while providing a multiplicity of different hydrostatic-mechanical power hook-ups.

Abstract: A transmission apparatus includes a large number of selectable gear ratios. The transmission apparatus includes first and second primary gears mounted on rotatable shafts having offset axes of rotation. A plurality of pairs of secondary gears, each including first and second secondary gears, selectively engage the first and second primary gears. The first and second secondary gears of one of the pairs of secondary gears are selectively coupled together and engage the first and second primary gears to transmit power from a power source at a predetermined gear ratio to drive a load.

Abstract: A variable torque slip clutch is disclosed in which first and second members configured with first and second surfaces of revolution respectively transverse to an axis are positioned for sliding contact between the surfaces of revolution. A bias spring in the form of a warped disc is positioned to urge the surfaces together and a disc shaped retainer cooperates with one of the first and second members to variably compress the bias spring. The member which cooperates with the retainer is configured with ramp surface segments having a plurality of protrusions thereon angularly spaced about the axis. The retainer is configured with tongues which engage the protrusions so as to permit rotational repositioning of the retainer relative to the member with which it cooperates only after axially displacing the retainer relative to the member.

Abstract: An axle shaft and pump drive mechanism (12) for a vehicle (10) includes a continuously variable transmission unit (24), an axle shaft (20), a pump (22), and a coupling device (34,78) for connecting the transmission unit (24) to the axle shaft (20) or to the pump (22) and operating them individually through an infinitely variable speed ratio range. When the vehicle, such as a backhoe loader, is not being propelled, the continuously variable transmission unit (24) can be used to drive the implement pump (22) which can then be of the fixed displacement type for improved effectiveness.

Abstract: A continuously variable transmission comprising driving and driven pulleys and a V-belt interconnecting these pulleys. A forward gear is rotatably mounted on a driven shaft and a multiple disc friction clutch is mounted within the driven pulley and operative to connect the driven pulley to the forward gear.

Abstract: A hydraulically operative clutch type transmission especially for industrial and loading vehicles comprises a casing accommodating shift gear mechanism therein, a housing connected to the casing, an input shaft journalled to the housing, a main shaft connected to the input shaft, a gearing member, a hydraulically operative clutch device which comprises a clutch drum connected to the main shaft and a clutch hub connected to the gearing member, a washer plate interposed between the gearing member and sleeve end of the clutch drum, the main shaft including a large diameter portion having a notch with a plain surface, and a small diameter portion, a gear member of the gearing member being rotatably supported on the large diameter portion, the clutch drum mounted on the small diameter portion, and the washer plate including a fasting portion which is engaged with the notch.

Abstract: A selective driving mechanism includes an input shaft and two output shafts. The input shaft and the output shaft have profiled parts that can be engaged and disengaged with each other. A control member is movable between two selective positions in which only one or the other of the output shafts is drivingly engaged with the input shaft. The control member may be a sliding sleeve or a bell crank lever.

Abstract: A double-acting, floating, frictional coupling mechanism including an air-operated diaphragm-type piston having a piston rod in meshed engagement with a set of different gears. The differential gearing intensifies the force transmitted through the piston rod by the air-operated piston.

Abstract: A double-acting, floating, frictional coupling mechanism including an air-operated diaphragm-type piston with integral rack guided for axial movement in meshed engagement with a rotatably connected pinion. A cam on the pinion shaft cooperates with a second piston and intensifies the force transmitted through the rack and pinion by the air-operated piston.

Abstract: In a processor of photosensitive material, a torque sensor actuates an alarm when a helical gear is subjected to torque in excess of a first predetermined value. The torque sensor includes a helical gear positioned on a shaft and biased against a stop. The gear is slidably attached to the shaft along the axis of the shaft and is fixedly attached to the shaft in an angular direction by a key. A shoulder of a flexible rubber boot movable with the gear along the shaft axis moves with the gear when the torque exceeds the first predetermined value and actuates a switch to warn the operator. In addition, as the torque increases, the gear slidably moves along the shaft past the key, thereby allowing the shaft to freely rotate in an angular direction within the gear.

Abstract: A damper of the gear type useful for a movable portion of video tape decks and other apparatus, comprising a damper case formed with an internal gear on its inner periphery, a sun gear shaft having an input shaft at its one end and rotatably disposed in the center of the damper case, and planetary gear units provided around the sun gear shaft and arranged in a plurality of stages along the sun gear shaft, each comprising a sun gear, a plurality of planetary gears and the internal gear. The planetary gears of the unit in the first stage are rotatably supported by the input shaft. The planetary gears of each of the other stages are rotatably supported by the sun gear of the immediately preceding unit. The meshing engagement of the multi-stage gear stage gives resistance, for example, to a spring for withdrawing the tape accommodating portion of a video tape deck to produce a damping effect.

Abstract: A clutch assembly, constituting a component of a gear transmission, has two gear-carrying shaft extremities projecting from opposite sides of a clutch casing. One shaft extremity is provided with axially extending teeth, carried on its face or on a sleeve keyed thereto, normally engaging similar teeth on a confronting drive shaft. The other shaft extremity is mounted, by means of a combined journal and thrust bearing, in a retaining member which is detachably secured to the transmission housing and has passages for supplying pressure fluid (oil) to the clutch casing. Upon removal of the retaining member, the assembly can be axially shifted to disengage the first-mentioned shaft extremity from the drive shaft whereupon it can be laterally withdrawn from the transmission housing.

Abstract: A clutch mechanism for watt demand meter registers includes a clutch driving part continuously driven by a rotating measuring element so as to be freely rotatable when the clutch is open. The driving part is mounted between a clutch driven part and a clutch closing part which clamps the clutch parts together when the clutch mechanism is closed.

Abstract: A planetary-roller transmission for transmitting power from one rotating shaft to another by means of a plurality of planet rollers pivotally supported, in contact with the outer periphery of a sun roller fixedly mounted on one rotating shaft and also with the inner periphery of an internal contact ring secured to a stationary member and made unmovable circumferentially of the rotating shaft, by a carrier connected to the other rotating shaft, characterized in that either the internal contact ring or the sun roller or both are in the form of an elastic element or elements adapted to receive, on one side thereof, a compressive force axially of the rotating shafts to change the radius of the element surface in pressure contact with the mating rollers, and a presser device is provided which applies the compressive force to one side of each elastic element and brings the element into or out of engagement with the mating rollers by increasing or decreasing the compressive force.

Abstract: A control system for driving a rotary shaft and for positioning the shaft at a commanded position with one motor and two rotation transmission mechanisms of different ratios provided between the motor and the rotary shaft. The two transmission mechanisms are adapted to be selectively actuated to transmit the rotation of the motor to the rotary shaft. The rotary shaft is positioned at a commanded position using a feedback signal from a rotational position detector irrespective of which one of the two transmission mechanisms is employed.

Abstract: A drive transfer assembly for a low profile vehicle. The assembly is mounted to a differential housing and includes an input and axially aligned output shafts. One of the output shafts is preferably a pinion shaft for the primary axle differential. A clutch is operative under certain conditions to drive the other output shaft. A spring biased disc clutch is disclosed. The transfer assembly will provide a full four-wheel drive in the clutch engaged mode of operation and in the other mode of operation, depending upon the size of biasing force of the springs employed, may either deliver some proportion of the available torque to the auxiliary axle or allow the auxiliary axle to run free as in a conventional vehicle.