Abstract: A shiftable transmission drive with assured input-output relationship includes a drive motor-transmission mechanism wherein a drive motor drives an output shaft at different rates through a shiftable transmission, and wherein the output shaft is always connected with the drive motor through the shiftable transmission. The output shaft is thus always under control and its position precisely known. The shift position of the gears is known. Shifting is directed at predetermined positions by a microprocessor when the transmission is stopped or at low speeds of rotation. The drive is a direct drive or alternatively a gear ratioed drive.

Abstract: A gear change mechanism for a machine tool in which shifting forks with sliding gears and constant mesh gearing using clutch and/or brake shifting is eliminated. A shiftable gear mechanism is presented in a gear train for meshing engagement with any one of a plurality of gears for selectively varying the speed of the machine spindle. The shiftable gear mechanism includes a first rotatable shaft and a second shaft connected to a cluster gear positioned to slide and rotate the second shaft in relation to the first shaft. A cylinder apparatus is connected coaxially to the second shaft to slide the second shaft in a reciprocating manner along the first shaft so as to move the cluster gear and vary the gear ratios between the cluster gear and the other gears in the gear train. A bearing assembly is also utilized in conjunction with the second slidable shaft so as to prevent any sliding action between the cluster gear and the shifting mechanism.

Abstract: A transaxle especially for use with small tractors, power equipment and the like wherein a range transmission is incorporated within a speed transmission to provide a unique drive that provides three forward and one reverse normal speed drives and two or three forward creep speed drives of extreme reduction ratio. Also shown, in variation, is a planetary epicyclic gear train that replaces the reverting gear trains currently employed in these transaxles to provide for more compact and economical construction. In one variation a friction drive clutch is contained within the transaxle receiving an input from a primary reduction gear and providing an input to the speed transmission mainshaft.

Abstract: A horizontal drilling and milling machine having a spindle head which can be rotated about an axis set at 45.degree. to a horizontal plane. The spindle head can be arrested in the horizontal and vertical working positions of the spindle sleeve by means of a support housing. The spindle sleeve can be driven via a gear system. The rotary movement of the spindle head is derived from the drive shaft for the spindle sleeve.

Abstract: A "GEAR TRANSMISSION ASSEMBLY" or more precisely a speed change gear box with two output shafts being one main and the other secondary for driving machine tools and mechanical equipment in general, with different alternative arrangements of the speed system in a total of either seventeen different speeds, fourteen different speeds, thirteen different speeds or ten different speeds in the main output shaft consisting of a set of five slidable gears and a set of gears twice double (four gears) also slidable being one of the double sets comprised of two single gears assembled together totalling only fifteen gears and three shafts to obtain seventeen different speeds in said main output shaft. A second output shaft or secondary output shaft makes possible the output of speeds in a ratio equal to or different from the speeds of the main output shaft.

Abstract: A drive mechanism for fishing reels is disclosed which includes a spool supported on bearings and a shaft, carried in spaced side plates of a reel frame. The reel includes a cam operated brake mechanism which includes a plurality of stops, with an axially slidable spool shaft. One of the bearings carries a shaft supporting a bearing and drive mechanism which includes a handle, positioning pin and gears slidably mounted on shafts, which upon selective manipulation will engage one of two sets of gears, thereby determining the drive ratio available to the handle for varying the speed of spool rotation as desired. The gear ratios are selected to provide that upon backward or counterclockwise handle rotation against the stops, the teeth of the gears of the lower ratio will always be angularly aligned with the internal teeth of the ring gear to provide for gear shifting.

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: An epicyclic planetary gear system having a plurality of partially meshed straight-cut primary and secondary planetary gears slidably mounted in a slidable differential housing and partially meshed with respective straight-cut input and output gears. Forward drive is achieved in each of a plurality of forward drive ranges by the respective coupling of the primary planet gears with the secondary planet gears and output gear and the secondary planet gears with the input gear. Reverse drive is similarly achieved for each of the forward ranges via the coupling of the input gear only with the secondary planet gears and the output gear only with the primary planet gears, while restraining rotation of the differential housing.

Abstract: A motor and pedal driven tricycle includes a system for coupling the motor to the rear wheels of the tricycle, which system automatically decouples the motor from the rear wheels when the motor is deactivated, thereby permitting free rotation of the rear wheels.

Abstract: A multiple speed gear transmission (10) of the sliding gear type includes an input shaft (12) disposed on a first axis (14), and a layshaft (16) disposed on a second axis (18) and having a forward gear (26), a reverse gear (28) and first and second drive gears (124,122) connected for joint rotation therewith. A reverse idler gear (54) is connected to the reverse gear (28), and a first sliding gear (82) is used for connecting the input shaft (12) to either the forward gear (26) or the reverse idler gear (54) and driving the layshaft (16) in either direction of rotation. An output shaft (44) disposed on the first axis (14) is selectively connected to one of the first and second drive gears (124,122) by second and third sliding gears (102,104) respectively. Five forward and four reverse speeds can be provided by the transmission (10) using four conveniently shiftable coupling elements (82,98,100,128).

Abstract: Mechanical transmission apparatus having a pair of first and second shafts mounted in a housing, and a gear train mounted thereon. A first small gear mounted on the first shaft meshes with a second large gear mounted on the second shaft. A third small gear mounted on the second shaft is fixedly connected to the second gear and meshes with a fourth large gear mounted on the first shaft. Each one of the large gears has substantially the same number of teeth and each one of the small gears has substantially the same number of teeth. A source of power is coupled to the gear train, and one of the first and second shafts is coupled drivingly to a load. One of the gears of the gear train is fixed to its one of the first and second shafts, whereby power is transmitted from the source through the gear train to the load.

Abstract: A transmission for a laundry machine has at least two operating modes. The transmission includes input means selectively rotatable for oscillation in one operating mode and for unidirectional rotation in another operating mode. A pair of output means are operable for conjoint oscillation and unidirectional rotation with the input means, respectively. Means for transmitting the rotation of the input means to the output means includes means coupled with one of the output means for driving it, driven means associated with the input means for being driven by it, and means selectively operable for coupling the driven means with the other of the output means and with the output means for coupling the driven means and the driving means.

Abstract: A power driven toy car includes a system for coupling power from a power source to the driving wheels of the toy car, which system automatically decouples the power source from the driving wheels when the power source is deactivated to permit free rotation of the driving wheels.

Abstract: A servo system for the rotary spindle of a machine tool in which the spindle is driven by a drive motor through a gear train having shiftable gears for changing the rate of rotation of the spindle. The transducer for the servo system is mounted directly on the motor drive shaft in order to avoid all backlash between the resolver and the drive motor. However, the transducer is arranged to regulate the angular orientation of the spindle and must therefore be maintained in synchronism with the spindle. This is accomplished by arranging the shiftable gears so that when they are moving into engagement with a new gear, engagement with the previously engaged gear is maintained until initial engagement with the new gear is achieved. Further shifting movement into full engagement with the new gear operates to release the previously engaged gear. Thus, during the initial engagement with the new gear, the shiftable gear is momentarily in engagement with both gears.

Abstract: A spinner for turning a well drilling kelly or the like and including a member connectible to the kelly to drive it rotatively, a reversible motor, and a drive between the rotor of the motor and said member including two gears for driving the member in opposite directions respectively, with the two gears being mounted by threaded connections for axial movement between active driving positions and retracted non-driving positions. Rotation of the motor acts by virtue of a threaded connection or connections to shift one of the gears to its active driving position to turn the driven member in a first direction, while retaining the second of the gears in its retracted position. Rotation of the motor in the opposite direction acts to shift the second of the gears to active position driving the member in its second direction while retracting the first of the gears to its inactive position.

Abstract: An improved digging machine for operation with the power takeoff of a tractor wherein the digging machine includes a gearbox that permits the machine to operate at different speeds independent of the tractor speed in order to accommodate varying ground conditions while maintaining constant sod width. The gearbox includes first and second gear shafts, with the first gear shaft being driven by the power takeoff and transmitting its motion to the second gear shaft through respective first and second gear sets, with the second gear shaft driving at least one hoe-driving shaft. The corresponding gears of the first and second gear sets are selectively engageable to provide plural speed settings, thereby permitting variation of the frequency of the hoe strokes within a wide range. The gearbox is movably orientable on the frame of the digging machine in a vertical plane about the longitudinal axis of the frame in order to accommodate tractors having power takeoffs disposed at different heights.

Abstract: A shifting device for a multi-shaft sliding gear arrangement having a plurality of sliding gear blocks displaceable in an axial direction, each one of which is connected, by way of a mechanical transmission device, to a separate electric servo-drive. Each servo-drive comprises an electric servo-motor equipped with a gear reduction unit and a planar cam drive which is arranged between the servo-motor and the transmission device and has a pivotal output lever. The output lever is connected to a sliding gear block at an end remote from the pivotal support therefor. The two end positions of movement of the output lever correspond to the end positions of the sliding gear block.

Abstract: A drive member in a printer is radially oriented and linearly positioned in the fastening thereof on a shaft at one of a plurality of selected positions. The shaft has a flat portion which receives a hub of the drive member, the hub conforming in shape with the shaft and having a tongue portion thereof fitting along the flat portion of the shaft with the tongue portion being flexibly supported and having a lip engageable with grooves or slots in and across the flat portion of the shaft.

Abstract: A semi-trailer landing gear speed reduction mechanism is provided which includes two horizontally disposed parallel spaced shafts with one shaft being rotated by a manual crank means and the other shaft connected to a mechanism for raising and lowering the landing gear. A two speed ratio for the mechanism is provided by having a fixed pair of gears secured to the driven shaft, a pinion gear fixed to the driving shaft and a gear having both internal and external threads supported on its internal threads on the driving shaft and in engagement with a pinion gear on the driven shaft.

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 gear disengaging mechanism for use in a movable toy which mechanism disengages automatically the engagement between a first gear receiving the rotation from a driving section and a second gear being pushed by a spring. The bearing hole for the shaft of the second gear is a slot in which one end portion of the shaft is moved. The shaft that is moved in the bearing hole is urged toward one side by the spring member one end of which is fixed to a frame body, thus gears are releasably engaged together. When a gear on the driven side is forcibly stopped, the gear shaft is shifted along the bearing hole against the force of the spring member and the engagement of gears is released. Further, between the driving section and the driven section is disposed a gear changing mechanism with which the gear change is carried out by moving a gear shaft in its axial direction.

Abstract: A cage elevator of the cableless type which is particularly simple, safe and reliable; which forms a simple, compact and sturdy frame, cage, drive units and threaded cylinder sections combination; which may be easily extended to any height without alteration nor displacement of the other components; which has positive, neat and strong gear engagement in particular in internally threaded posts, thus offering the advantage to use square threads for self-braking; which includes a simple and convenient manual drive assembly to safely reach an exit door upon electrical power failure; and which includes guideways positively guiding the elevator cage laterally for reduced wear on the threads directly associated with the vertical travel.

Abstract: A transmission is provided having a housing, a power input shaft rotatably mounted at one end, a power output shaft rotatably mounted at the other end coaxially with the power input shaft, a splined clutch member affixed to the end of one of the shafts having a gear engaged over a portion thereof, a second splined clutch member freely rotatably mounted on the other shaft and having a gear engageably mounted over a portion thereof, the end of each clutch-engaging member extending beyond each gear, a splined countershaft rotatably supported in the housing and having a gear engaged at each end engaging the gears mounted on the power input and output shafts, a third splined clutch member affixed to one of the shafts and positioned intermediate the first and second splined clutch members and of the same diameter as said clutch members, a clutch sliding ring or coupling member mounted over the cylindrical clutch member having a splined bore engaging the third clutch member and axially slidable with respect thereto