Abstract: An hydraulic control system for automatic transmissions includes at least first and second engaging members, a transmission for establishing at least two change gear ratios due to the selective engagement of said first and second engaging members, a first servo-mechanism for controlling the engagement of the first engaging member for shifting to a high speed, and a second servo-mechanism for controlling the engagement of the second engaging member for shifting to a low speed. Shifting to a high speed is established due to engagement of the first engaging member and release of the second engaging member, and shifting to a low speed is established due to release of the first engaging member and engagement of the second engagement member. A shift timing valve controls the communication of the second servo-mechanism with an accumulator for use with the second servo-mechanism, in response to the build-up of a pressure to a given level in the first servo-mechanism.

Abstract: A multiple-speed hub for a bicycle, adapted to house a gear transmission so that the driving force may be transmitted from a driving member to a hub shell at a prescribed transmission ratio, is provided with a positioning and maintaining member between a control member axially movable in the speed-change operation and an axially fixed member, which is, a hub shaft or hub shell.

Abstract: An auxiliary drive mechanism for use in association with a hydraulically actuated clutch has a gear wheel attached to the driven or output stage of the clutch, and a drive motor driving a pinion meshing with an intermediate gear. The intermediate gear protrudes into the casing which houses the clutch and can selectively engage the gear wheel. The auxiliary drive mechanism finds application where it is at times necessary to provide a drive at a speed lower than normal operating speed, for example to tension the chain of a scraper chain conveyor.

Abstract: In an automatic power transmission including hydrodynamic torque transmitting means such as a torque converter or a fluid coupling and fluid-operated direct-drive clutch means combined with the torque converter or fluid coupling, control valve means is provided so that the direct-drive condition is achieved from the top-gear condition at a retarded timing after the top gear has been attained under low-load conditions of the engine although direct-drive condition is established simultaneously when an upshift is made to the top gear under high-load operating conditions of the engine.

Abstract: A five speed motorcycle transmission with coaxial input and output drives. The transmission includes a driveshaft and a countershaft rotatably mounted in a gear housing for supporting transmission system components and gear arrangements. Input torque is applied in a conventional manner to one end of the driveshaft and transmitted through the transmission components in the selected gear ratio to an output sprocket which is freely rotatably mounted on the drive shaft. Torque shifting means in the form of axially displaceable drive dogs splined to the driveshaft and countershaft can be shifted axially by conventional shifter means for selectively transmitting torque from the driveshaft through various gear arrangements to the output sprocket. The gear arrangements include a high speed overdrive gear arrangement, a high speed direct drive gear arrangement, and three low speed drive gear arrangements.

Abstract: This two-stage speed reduction transmission has an input shaft which drives a first-stage fly-wheel rotating on a primary axis but having a rim annularly grooved eccentrically on a secondary axis to carry bearing balls engaging a correspondingly annularly-grooved internally-toothed ring gear which is also externally-toothed to mesh with stationary internal teeth in the housing, so that it can oscillate but not rotate. Meshing with this first-stage ring gear is a first-stage spur gear with a lesser number of teeth also rotatable upon the primary axis, the eccentricity between the primary and secondary axes being sufficient to permit clearance of the first-stage spur gear with the teeth of the first-stage internal ring gear on the side opposite its meshing location therewith.

Abstract: A gear housing arranged for use with a vehicle mounted winch has an input shaft driven by a power supply such as a reversible electric motor. The housing has an output shaft with an output gear thereon meshing with an idler gear journaled in the housing. A shiftable gear assembly is secured on the input shaft for rotation therewith and includes different diameter gears selectively engageable with the idler gear to produce different powered drive speed ratios to the output shaft.

Abstract: A simple change gear transmission having an extended range and/or number of gear ratios and minimized center distance and/or axial countershaft portion length is provided. The transmission utilizes a single main shaft and at least one countershaft which is compounded.

Abstract: A control mechanism for shifting the differential lock mechanism of a vehicle between unlocked and locked positions. The differential lock is hydraulically operated and is controlled by a two position hydraulic valve. A control link extends from the hydraulic valve to the control mechanism. When the control link is disposed in a retracted position the differential lock will be disposed in an unlocking position, and when the control link is disposed in an extended position the differential lock will be in its locking position. The control mechanism includes a pivoted cam-like member and a pivoted catch member provided with cooperating surfaces, biasing means operable to bias the cam-like member to a retracted position and actuator means operable to shift the cam-like member away from its retracted position through engaged and stop positions to a release position.

Abstract: An electronic digital control system is disclosed for vehicle power transmissions, especially adapted for off-highway earth moving vehicles. Automatic forward speed range shifting is provided in response to the vehicle speed subject to certain overriding manual control. A transmission output speed signal is applied to a shift signal generating means which has a plurality of channels each corresponding to a different forward speed range. A level detecting means in each channel produces digital upshift and downshift signals and shift signal counting means, connected with all channels, produces a net count of upshift and downshift signal events and a command signal representing the speed range into which the transmission is to be shifted. A shift control circuit responds to the command signal to effect the required ratio change in the transmission.

Abstract: A fishing reel with an automatic transmission which causes the spool to turn between a one to one speed ratio with the handle to a three to one speed ratio. This is accomplished by an automatic transmission and associated clutch and brake elements.

Abstract: A planetary (epicyclic) gear set is provided with a reversible rotating input shaft and individual outputs shafts actuated, respectively, by the ring gear and planet gear carrier. Latch means is positioned to selectively and automatically stop the ring gear or carrier member while releasing the other to provide the desired sequential output operation. The output shafts are reversed in sequence and direction of rotation by reversing rotational direction of the input shaft.

Abstract: A power distributing apparatus for vehicles includes an input shaft, first and second output shafts, a simple planetary gear set having a carrier operatively connected to the input shaft, a ring gear cooperating with the first output shaft, and a sun gear selectively engaged with the second output shaft, and means for selectively engaging the carrier and the sun gear and for integrally rotating the sun gear and the carrier in the engaging state of the sun gear and the carrier, and for more slowly rotating the sun gear than the carrier in the disengaging state of the sun gear and the carrier.

Abstract: A mechanism for generating a square output motion utilizing a continuous constant speed rotary input. A reaction member such as an internal or external ring gear concentric to a first axis is provided together with first and second rotating members, the second being mounted for rotation on the first rotating member on an axis spaced from the first axis. An output member is mounted on the second rotating member and a means is provided for connecting for rotation the second rotating member and the reaction member. Input rotation of the second rotating member causes the output member to follow a square path.

Abstract: Automatic transmission for automobiles including a hydraulic torque converter and a transmission gear mechanism which has a plurality of friction devices such as clutch and brakes whereby a plurality of different driving stages can be provided through selective actuation of the friction devices. Trimmer valve is provided for each actuator of the friction device to provide a supply of gradually increasing hydraulic pressure. The trimmer valve is applied at its return port with a pressure corresponding to the engine throttle valve position so that the initial pressure to be applied to the actuator is determined in accordance with the engine throttle valve position.

Abstract: A drive shaft and a driven shaft are linked through a differential gearing which distributes the applied torque over two coaxial satellite shafts. One of the satellite shafts is directly connected with the driven shaft through a first steplessly variable split-sheave coupling of the Reeves type while the other satellite shaft, which is immobilizable by a brake, is connected through a second such coupling with an intermediate shaft which in turn can be coupled with the driven shaft via a clutch. With both the brake and the clutch released, the system idles; with the clutch operated, the torque transmitted from the drive shaft to the driven shaft varies inversely with the speed ratio of the two synchronized split-sheave couplings whereas actuation of the brake in lieu of the clutch doubles the output speed and halves the transmitted torque. If only unidirectional rotation is to be transmitted, the clutch can be replaced by a one-way coupling which lets the driven shaft rotate freely when the brake is engaged.

Abstract: Conversion of a fuel pump computer price variator from a three place to a four place unit volume price range and comprising an auxiliary higher place take-off shaft parallel to and having a coaxial gear in engagement with the variator cone gear, an additional summation differential mounted at the top of the variator coaxially with the cone gear and substantially within a stepped dome-like projection of a modified cost variator cover for combining an auxiliary higher place price output to the conventional three place price output, an idler gear in operative engagement with and mounted on a lever for pivotal movement about the additional summation differential for selective engagement with one or more take-off shaft driven gears, and, auxiliary price posting shutters connected to the lever for displaying the higher place price setting.

Abstract: Automatic transmissions for automobiles include a hydraulic torque converter and a transmission gear mechanism which has a plurality of friction devices such as a clutch and brakes whereby a plurality of different driving stages can be provided through selective actuation of the friction devices. The automatic transmissions further include an over-drive system comprising at least an OD shift valve and a Low-High shift valve. The OD shift valve is applied through the L-H shift valve with a pressure sufficient to shift gear devices to a high speed position or a low speed position. A kick-down valve is disposed between the engine throttle position valve and the L-H shift valve to enable the pressure in the throttle line to increase when the kick down operation takes place.

Abstract: A power train with an auxiliary creeper drive system is disclosed which includes an engine, a primary transmission having an output shaft selectively driven by the engine an auxiliary transmission selectively driven by the engine, and operatively associated with the output shaft for driving the output shaft at a creeping rate of speed, and a clutch control arrangement for automatically disconnecting the engine from driving engagement with the output shaft when the auxiliary transmission is drivingly coupled thereto. Such auxiliary creeper drive system is particularly adaptable to the transmission of a fork lift truck.

Abstract: An auxiliary transmission having a three-clutch input operating through selective multiple countershafts including a carrier supporting the countershafts angularly spaced around the output shaft which is rotatably supported centrally within the carrier. The auxiliary transmission multiplies the speed ratios of the main transmission to multiply the overall power train speed ratios and/or provide forward and reverse power shifting for the gear train as so desired.