Abstract: A control mechanism for regulating operation of a rotatable winch drum through a power train including a brake which is normally engaged by hydraulic pressure to secure the winch drum against rotation and a normally disengaged clutch which is selectively engaged by hydraulic pressure for driving the winch drum in a reeling-in mode, the control mechanism including a control lever which is movable for selectively communicating hydraulic fluid to the brake and clutch, first and second biasing means being associated with the control lever to provide for adjustment of the lever at different rates of modulation.

Abstract: An attachment drive for a multiple spindle machine is disclosed which machine has a front gearbox wall and a rear gearbox wall defining a gearbox therebetween. A spindle drive shaft extends through the walls in a conventional manner. The front gearbox wall has a plurality of front mounting holes whereas the rear gearbox has at least one rear mounting hole which is aligned with one of the front mounting holes. An idler gear is mounted on the spindle drive shaft within the gearbox with a spindle drive means secured to the spindle drive shaft outside of the gearbox. A first front cartridge journals a first front cartridge shaft and a first rear cartridge journals a first rear cartridge shaft in respective front and rear mounting holes having a common axis of symmetry. A coupling interconnects the first front cartridge and the first rear cartridge with the rear cartridge engaging the spindle drive means to rotate the first front cartridge shaft in accordance with the rotation of the spindle drive shaft.

Abstract: A four wheel drive automatic transmission assembly having an input driving a fluid torque converter which is connected to drive through a three forward speed and reverse drive planetary front transmission to drive the front wheels and through a low forward speed and reverse drive rear transmission to drive the rear wheels. The rear transmission has the same components for the low forward and reverse drives as the front transmission has for the same drives.

Abstract: A hand brake assembly for a railway car in which a self-energizing friction clutch which is associated with the hand wheel shaft permits a graduated release of the car brakes and prevents spinning of the hand wheel. A manually-operable quick release of the car brakes is made possible by the provision of a second manually-shiftable jaw clutch, the components of which are spring-biased to their position of clutch engagement by a positive acting compression spring which is interposed between such components, such second jaw clutch being disposed in the power train between the hand wheel shaft and the chain winding drum, and the two clutches thus being disposed in series relationship.

Abstract: A limited slip differential mechanism for the speed-sensitive type having a rotatable casing and gearing supported within the casing adapted to drive a pair of relatively rotatable output elements including friction clutches associated with the gearing and the casing to resist relative rotation. The limited slip differential includes an actuator for the clutches, the actuator being associated with the fluid pump mechanism and having a cam thereon operative to reciprocate radial pistons to create fluid pressure. The actuator is connected with one of the output elements for the differential mechanism and the radial pistons are carried by the casing whereby relative rotation between the casing and the output element will create fluid pressure to activate the actuator and apply the clutches to resist relative rotation.

Abstract: Power transmission for motor vehicles including an input and an output shafts rotatable about a common axis, a planetary gear mechanism including interconnected three planetary gear sets, clutch means for selectively connecting elements of the gear mechanism with the input shaft, an element of the final stage gear set of the planetary gear mechanism being connected with the output shaft, brake means being provided for selectively constraining elements of the gear mechanism against rotation. A further set of planetary gear may be additionally combined with the planetary gear mechanism.

Abstract: A four-speed planetary transmission mechanism for an automotive vehicle including two simple planetary gear units and a fluid coupling, the latter being used to transmit torque during operation in the two lowest ratios, the torque delivery path through the mechanism during direct-drive fourth speed ratio operation being a split torque drive and the torque delivery path during third speed ratio operation being fully mechanical.

Abstract: A throw-out lever assembly for use in a clutch mechanism of a motor vehicle and including a support and a fulcrum assembly mounted on the support. A throw-out lever is operably connected to the fulcrum assembly being adapted at one end for engagement with a clutch actuator and at its opposite end for engagement with a throw-out bearing of the clutch assembly. The fulcrum assembly includes a fulcrum member for pivotally engaging the throw-out lever between its ends. The fulcrum member is adjustably mounted on the support for selectively positioning the throw-out lever in a selected angular orientation with respect to the throw-out bearing for applying an optimum force on the throw-out bearing to disengage the clutch mechanism upon actuation of the clutch actuator.

Abstract: A clutch disk for motor vehicle main clutches in which a disk member carrying the friction linings is rigidly connected with a lateral sheet metal member by means of axially parallel bolts and this system is operatively connected torsionally elastically with a flange member which extends by means of a flange portion between the disk member and the lateral sheet metal member; the flange portion is thereby provided with apertures for the passage of the bolts interconnecting the disk member with the lateral sheet metal member, whereby several springs or spring groups are provided in windows of the disk member and of the lateral sheet metal member to which are coordinated correspondingly larger windows in the hub flange; in addition to an idling damping device, a separate damping device is provided for the operating range whose start of operation is controlled by a sheet metal control member which is being centered directly on the hub member and which includes two mutually oppositely disposed arms; the first arm

Abstract: Shiftable gearing including spring loaded means and blocker means for effecting engagement of clutch teeth. In a transmission having a main shaft and at least one countershaft, and including pairs of shiftable gears arranged on and cooperatively between said shafts, there are provided spring loaded clutches for effecting connection to one of said shafts of a selected one gear of a selected one of said pairs of said gears upon the achievement of substantial synchronization between such gear and such shaft. Blockers are provided for protecting the clutch teeth from excessive wear during such shifting and malfunctioning of said blockers is prevented in part by providing light frictional drag means between each of said blockers and the portion of said clutches rotatable with said shaft and in part by angling the leading surfaces of the blocker teeth an amount sufficient to effect an unblocking under one limited set of conditions but insufficient to prevent blocking under normal operating conditions.

Abstract: A power take-off unit positionable in the drive line of an automobile or truck such that the unit is used to drive auxiliary equipment by a chain drive or V-belt and pulley attached to the power take-off shaft. The power take-off shaft has a gear engageable with a drive gear on the drive shaft of the power train. The drive shaft is engageable with a coupling which may be disengaged so that the power take-off shaft is capable of being turned without transmitting power to the wheels of the vehicle.

Abstract: A constant speed drive system which is automatically controlled according to the load of the pump, fan, etc. driven by the system. Control of the system is achieved by means of a pump or compressor and a diaphragm-actuated spool valve, wherein a reference point or pressure in a spool valve is matched with a pressure, proportional to the speed of the load or output shaft, acting on a diaphragm in the spool valve. The spool valve, in turn, modulates the pressure to a clutch actuator for a clutch located between a constant speed motor and a shaft driving the requisite load.

Abstract: A planetary transmission comprising at least three planetary gear sets which are selectively connectable between an input shaft and an output shaft, and at least five friction elements such as clutches and brakes which are selectively actuated to selectively engage the rotational members of the three planetary gear sets, thereby providing at least five speed ratios between the input and output shafts.

Abstract: A hydromechanical transmission comprises a first and a second planetary gear sets drivingly connected to an output shaft to provide a low and a high speed ratio drive power trains between a transmision input shaft and the output shaft to control the speed ratio of the output shaft and a variable ratio hydrostatic drive unit to control operation of the two planetary gear sets. Between the input shaft and the input member of the first planetary gear set, provided is a low speed range clutch by way of a speed reduction gear train to selectively connect the input shaft to the first planetary gear set. Between the input shaft and the input member of the second planetary gear set, provided is a high speed range clutch to directly connect the input shaft to the second planetary gear set on engagement thereof.

Abstract: A vehicle with a transmission shiftable in steps by means of friction clutches includes starting unit at the input or output of the transmission comprising a planetary gear having several components, wherein a first of the components is driven. A braking device has at least one brake member connected with a second of the components for rotation therewith, fricton bodies for braking the brake member by dry frictional contact, and actuating means and cooling means for the friction bodies. An actuating system is provided for the transmission and the starting unit which, in a first mode of actuation, holds the brake member fixed on a stationary structural member by means of the friction bodies during automotive operation, and in a second mode of actuation, slidingly brakes the brake member when starting the vehicle. The actuating system in the first mode of actuation briefly releases the brake member from the stationary member during the shifting process so as to suppress any shock produced during shifting.

Abstract: A centrifugal clutch having an internal drum surface on a driven member with friction shoe members displaceable on a driving member to and from said drum surface but normally drawn away therefrom by resilient means and each having an opening with a cam shaft extending therethrough, each cam shaft being rotatable in elongated openings in said driving member and having a lever extending towards said drum surface and another lever pivotally mounted on said clutch and positioned for engaging said first levers when desired to pivot said first levers from said drum surface and allow said resilient means to move said shoe members from said drum surface even when said driving member is rotating at a speed that normally would cause said shoe members, due to centrifugal force, to engage said drum surface.

Abstract: A delayed-action transmission whereby mechanical coupling between a driven member and a driving member is effected by centrifugal force and the mechanical coupling is controllably delayed.

Abstract: A fluid pressure control system for automatic transmission includes a fluid pressure source, a fluid pressure regulating valve for regulating the fluid from the source to a particular line pressure, and a plurality of frictional engaging devices, adapted to be actuated by the line pressure through means of a manual shift valve, for attaining a particular gear ratio within the gear trains of the transmission which are interposed between the input and output shafts. A governor valve generates a governor pressure in response to the rotational speed of the input shaft, a throttle valve generates a throttle pressure in response to the engine throttle valve, and a shift valve selectively actuates the frictional engaging devices in response to the governor and throttle pressures.

Abstract: An epicyclic gear change assembly capable of giving a planetary ratio and direct drive and having first means for frictionally connecting two members of epicyclic gearing together for direct drive and second means for positively connecting two members of the gearing together for direct drive so that if the first means is engaged while the gearing is stationary and tends to slip when the gearing starts to be driven, the second means automatically comes into operation to inhibit such slipping.

Abstract: A gear mechanism for transmission of small forces, such as in a hand mechanism gear for clocks or watches which has a driving shaft, a driven shaft coaxial thereto, two gearwheels developed as crown wheels, mounted coaxially engaging each other over a small portion of their circumferences and having each a different number of teeth, one of these gearwheels being stationary and the other rotary. A coupling means such as a clutch is fastened to the driving shaft for rotation therewith. The clutch and the two gearwheels are mounted in relation to each other in such a manner that when the clutch rotates with the driving shaft, the rotary gearwheel resting on the driven shaft, while itself rotating, rolls off on the stationary gearwheel.