Abstract: A compound transmission (12) including main and auxiliary transmission sections (14,15) having several pin-type, double-acting, self-energizing synchronizer mechanisms (60,62,84). The several synchronizer mechanisms are configured to provide higher self-energizing forces for higher speed reduction ratio gears than for lower speed reduction gears, and to provide higher self-energizing forces for downshifts than for upshifts. The self-energizing forces are provided by improved self-energizing ramp surfaces (29e,29f,29g,29h and (111a,111b,111c,111d)formed in external splines 29 of a shaft 28 and in internal teeth extending radially inward from a shift flange 110. The shift flange carries improved pre-energizer and neutral centering assemblies (120) axially retained by end surfaces (102a,104a) of jaw clutch member (102,104).

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 belt drive continuously variable transmission has a drive pulley operatively connected to an engine and a driven pulley operatively connected to wheels of a motor vehicle, hydraulic cylinders for changing effective diameters of both pulleys, and a transmission ratio control valve for producing a primary pressure applied to the cylinder for controlling transmission ratio. An antilock brake system is provided on the vehicle. A memory is provided for storing a plurality of ABS desired transmission ratios for use during operation of the antilock brake system. During the operation of the antilock brake system, an ABS desired transmission ratio is derived from the memory. The transmission ratio is controlled with the ABS desired transmission ratio.

Abstract: The present invention provides an improvement in the structure of a temperature sensitive hydraulic fan coupling for supplying a suitable amount of cooling air to the automobile engine according to the travelling conditions of the automobile. The conventional fan coupling of the above type has had the disadvantages that since the rotation of the fan is controlled by a torque transmission mechanism depending only on the variation of ambient temperature, no supply of a suitable amount of cooling air to the engine is made especially at the time of acceleration of the engine so that the reduction of the amount of horsepower consumption and fan noise level cannot be realized satisfactorily. To eliminate the above disadvantage, the present invention uses both a temperature responsive valve member and a centrifugal valve for automatically controlling the flow of oil within the coupling thereby reducing the amount of horsepower consumption and fan noise level.

Abstract: A clutch device for phase-synchronous coupling of rotating machine elements, includes two coding elements, respectively, co-rotatable with two driven machine elements, a sensor fixed in position adjacent the coding elements, the coding elements having codings thereon which are variable in angular position with respect to the sensor, the sensor having a device for registering information composed from respective codings of the two coding elements, and a clutch control unit connected to the sensor for receiving the information therefrom.

Abstract: A spindle brake apparatus for add on attachment to automatic Swiss screw machines, comprising an idler pulley release assembly, a spindle brake assembly and a cam actuated control assembly employing the existing cam shaft timing and control means of such machines to stop spindle rotation so that cross milling operations may be performed. The apparatus is operated by compressed air in response to cam actuated valves to first release an idler pulley then apply the brake to stop spindle rotation. After a stationary operation is performed, compressed air is released thereby releasing the brake followed by reengagement of the idler pulley to reestablish spindle rotation.

Abstract: A hydraulic actuating system for disengaging a clutch, shifting gears in a transmission and reengaging the clutch for a vehicle. An electric pump delivers hydraulic fluid under pressure to an accumulator. High and low pressure switches control operation of the pump to maintain the hydraulic fluid pressure within a desired range, while limiting operating time of the pump and minimizing energy waste. The pressurized fluid from the accumulator is applied through valves to operate a clutch actuating mechanism and to shift transmission gears. A secondary accumulator is provided at the clutch actuating mechanism to provide smoother clutch reengagement with a low cost valve having a relative coarse modulation capacity.

Abstract: In a two-way clutch comprising an outer race having a plurality of roller receiving portions each formed by a pair of bisymmetrical arch-shaped cam surfaces, rollers disposed in the roller receiving portions, and a cage having support portions for the rollers and disposed on the inner periphery side of the outer race, the cage has a portion extending in the direction of a rotary shaft and clutch shoe receiving portions radially provided on the extending portion, and clutch shoes slidably fitted in the clutch shoe receiving portions have a sliding surface displaced by a centrifugal force resulting from the rotation of the clutch and sliding relative to a member outside the clutch.

Abstract: A device for driving a screwdriver spindle has a claw clutch and an over-detent clutch. The two clutches are arranged coaxially to each other and have coupling parts which are displaceable in an axial direction. Upon a first response of the over-detent clutch, the claw clutch is disengaged, a correspondingly axially displaceable coupling part of the claw clutch is then locked in a disengaged position by a disengageable safety which is simply a radially elastically expandable clamping sleeve which is connected to the claw-clutch and has a detent projection which protrudes radially inward. The screwdriver spindle on which the clamping sleeve is arranged has two circumferential grooves for engagement of the detent projection, the axial center-to-center distance of which is greater than the coupling stroke of the claw clutch.

Abstract: Disclosed is a clutch disk comprising a clutch hub including a flange formed on an outer periphery thereof, the flange having a plurality of openings, a first side plate including a plurality of openings, a second side plate including a plurality of openings, a plurality of dampers disposed in the openings of the flange of the clutch hub, the first side plate and the second side plate, and including an elastic member tapering from wide to narrow in an axial direction thereof away from one end thereof to a central portion thereof and tapering from narrow to wide in an axial direction thereof away from the central portion thereof to another end thereof, and sheet members disposed on both ends of the elastic member, and a facing connected to one of the first side plate and the second side plate.

Abstract: A vehicle transmission control arrangement in which an automatic clutch is disengaged in response to a signal received from a shift lever switch provided to detect an operation of a shift lever for shifting a speed changing mechanism. A comparator is provided to determine whether a detected or determined output torque of an engine is smaller than a predetermined reference value below which an increase in the engine speed upon full disengagement of the clutch will not significantly deteriorate a driving comfort of the vehicle. A clutch control device is adapted to inhibit the clutch from being fully disengaged despite the presence of the signal from the shift lever switch, if the engine output torque is not smaller than the reference value.

Abstract: A clutch driven disc assembly includes a ventilated support plate and friction element to reduce the build up of heat during use. The support plate includes a plurality of radially extending paddles. A pair of friction elements are secured to the opposed sides of each of the paddles. Each paddle has a plurality of generally parallel slots formed therethrough. The slots may extend generally radially or generally circumferentially relative to the paddle. Each of the friction elements includes a corrugated backing plate having a friction facing secured thereto. The corrugations define a plurality of raised channels in the backing plate. The raised channels are formed such that they are aligned with the slots formed through the support plate when the friction elements are secured to the paddle. Such alignment provides a plurality of channels for the passage of air therethrough as the driven disc assembly rotates during use.

Abstract: An alternator drive clutch limits alternator speed and prevents belt slippage through the use of specially designed and oriented centrifugal weights. Each weight is pivoted to the alternator shaft inside of a drum wall on the pulley and asymmetrically oriented so that rapid rotation pivots a friction pad on the weight progressively away from the drum wall. Acting in opposition, tension springs pull the pads toward the drum wall. An equilibrium of pad to drum wall slippage is reached such that the alternator does not rotate above a safe speed, but turns one-to-one with the pulley at low speeds. At any speed, high acceleration or deceleration can cause the pads to slip before the belt slips on the pulley, preventing belt chirp.

Abstract: A locking apparatus which includes a locking element, an unlocking element, and a latching member. In the rest position, two arms of the latching member are maintained in their latched positions by compressed springs. To unlock, the unlocking element is turned in one or the other direction of rotation, whereby one of two inclined surfaces lifts one arm against the restoring force of a spring via a bearing surface of the unlocking element. Upon further turning of the unlocking element, an entraining projection from this element pulls the locking element along with it in the same direction of rotation. If the unlocking element is turned in the opposite direction, the arms automatically return to a rest position.

Abstract: A compound transmission (12) including main and auxiliary transmission sections (14,15) having several pin-type, double-acting, self-energizing synchronizer mechanisms (60,62,84). The several synchronizer mechanisms are configured to provide higher self-energizing forces for higher speed reduction ratio gears than for lower speed reduction gears, and to provide higher self-energizing forces for downshifts than for upshifts. The self-energizing forces are provided by improved self-energizing ramp surfaces (29e,29f,29g,29h and (111a,111b,111c,111d) formed in external splines 29 of a shaft 28 and in internal teeth extending radially inward from a shift flange 110. The shift flange carries improved pre-energizer and neutral centering assemblies (120) axially retained by end surfaces (102a,104a) of jaw clutch member (102,104).

Abstract: A pin-type, double-acting synchronizer mechanism (22) with friction clutches (24,36 and 26,38), jaw clutch (28,14b and 30,16b) and self-energizing ramps. The ramps act between a shaft (12) and a shift flange (32) which is rotatable relative to the shaft and jaw clutch members 28,30. Flange 32 includes radially inwardly extending teeth (32k) defining self-energizing ramps (32m,32n,32p,32s) which act against ramp (12d,12e,12f,12g) formed in shaft splines (12b). Three circumferentially spaced pins (40) include blocker shoulders (40c,40d) for preventing asynchronous engagement of the jaw clutches and pre-energizer surfaces (40e,40f) which each cooperate with a pre-energizer and neutral centering assembly 42. The angles of the self-energizing ramps may be varied to provide substantially the same synchronizing time for several or all of the ratio gears in a multi-ratio transmission.

Abstract: An electrophoretic fluid torque transmission apparatus in which cooperable electrodes are connected respectively to drive and driven elements. An electrophoretic fluid capable of separating into particle-rich and particle-deficient phases by electrophoresis operates in surface contact with the electrodes. An electrically non-conductive material having raised surface areas and spaces between the surface areas is associated with one or more of the electrodes. When a voltage is applied between the electrodes in a first direction, the particle-rich phase of the fluid collects on one of the electrodes and also makes contact with the spaces and the raised surface areas of the material associated with the other electrode thereby engaging or locking the electrodes together and transmitting force between the elements.

Abstract: A coupling device comprises a coupling member and a connecting piece extending within a sleeve portion of the coupling member. The connecting piece includes at least two toe portions, each of which extends individually and locally through the sleeve portion of the coupling member, via openings which are formed in the latter. A retaining member, carried on the coupling member, is provided for the retention of the connecting piece. The retaining member carries at least two centering and retaining fingers, each of which cooperates with one of the toe portions of the connecting piece.

Abstract: The invention concerns a drive unit, particularly for a calender of a paper machine, with a universal joint featuring two joint forms as well as a crosshead, with a shaft each coordinated with the two joint forks, one shaft being arranged on the drive side and the other on the output side (drive shaft and output shaft), additionally, with a clutch for engaging and disengaging the drive unit. The invention is characterized by the following characteristics:(a) The clutch is fashioned as a gear clutch with a number of teeth extending in axial direction and coordinated each with one of the clutch halves;(b) for actuation of the clutch there is a shift mechanism provided;(c) coordinated with the universal joint is a guide device, for instance a cylindrical sleeve, for guiding the universal joint along with the extendable clutch half on its shift path in the clutch process.

Abstract: The torsional oscillation damper intended in particular for the driving train of a motor vehicle comprises a disc part 11 which is rotatable round an axis of rotation and a housing part 17 which is equiaxially rotatable relative to the disc part 11, at least partially surrounds the disc part 11 and, together with the disc part 11, limits at least one damper chamber which is sealed from the exterior for receiving a viscous damper fluid. A displacement member 31 arranged on the disc part 11 or on the housing part 17 in each damper chamber divides the damper chamber into two displacement compartments which are connected to one another by a throttle channel 41. The disc part 11 and the housing part 17 are resiliently coupled together by a plurality of springs 23.