Abstract: A device (1) for cooling and lubricating components of a vehicle (2) may include a housing (3), a coolant sump (4), a coolant pump (5) for pumping coolant (6) from the coolant sump (4), a heat exchanger (7) for cooling coolant (6) from the coolant pump (5), and a coolant line system (8) including a coolant reservoir (9) having a single coolant inlet (10) and multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5). The coolant line system (8) fluidically connects the coolant pump (5) to the heat exchanger (7), and the heat exchanger (7) to the single coolant inlet (10) of the coolant reservoir (9). The coolant reservoir (9) receives coolant (6) from the heat exchanger (7) via the single coolant inlet (10) and directs coolant (6) via the multiple coolant outlets (11.1, 11.2, 11.3, 11.4, 11.5) onto components in the housing (3) requiring cooling and lubrication.

Abstract: A gearbox assembly for an electric power assisted steering apparatus comprises a gearbox housing which houses a worm shaft and a gear wheel, the worm shaft being supported relative to the housing by a main bearing assembly at an end closest to the motor and by a tail bearing assembly at an end furthest from the motor. The main bearing assembly comprises an inner race and an outer race separated by bearing elements, the outer race being supported by a carrier that is supported by an axle that is in turn secured to gearbox housing, the axle defining a pivot axis for the worm shaft that is located on the side of the worm shaft closest to the wheel gear and extends in a direction orthogonal to the axis of the worm shaft and parallel to the axis of the wheel gear.

Abstract: A microtome has first and second shafts at different fixed positions, wherein the first shaft may be rotated by a hand wheel. The shafts carry first and second gear wheels, respectively. A transmission unit couples the two gear wheels to each other so that the second shaft can be driven to rotate by the first shaft, and a shift unit for pivotably shifting the transmission unit between first and second positions. The two shafts rotate in the same direction when the transmission unit is in the first position, and in opposite directions when the transmission unit is in the second position. The transmission unit includes first and second idler gears meshing constantly with each other. The two shafts are coupled by only one of the idler gears when the transmission unit is in the first position, and by both idler gears when the transmission unit is in the second position.

Abstract: A covering for an architectural opening including a first rail, a second rail moveable relative to the first rail, and a lift regulator coupled to the first rail. The lift regulator includes a drag mechanism, and the lift regulator automatically engages the drag mechanism to resist the second rail moving away from the first rail. In addition, the lift regulator automatically disengages the drag mechanism when the second rail moves toward the first rail.

Abstract: A transmission generally includes a shaft member having a cylindrical outer surface in which longitudinal grooves are formed. Rolling members are disposed in the longitudinal grooves. A gear member having lobes the lobes is disposed between the rolling members and over the shaft member. A clutch spring that at least partially encircles the rolling members and the lobes is also disposed. The clutch spring includes a reduced torque condition that at least defines the clutch spring stretching to accommodate the rolling members leaving the longitudinal grooves and moving to the outer cylindrical surface such that the clutch spring forms a generally elliptical shape in the reduced torque condition.

Abstract: A transmission mechanism has an input gear, a first intermediate gear configured to engage with the input gear. A rotation shaft of the first intermediate gear is movable between a first position and a second position along an elongated hole formed on a supporting member. A first output gear is configured to engage with the first intermediate gear when the rotation shaft is located at the first position, and a second output gear configured to engage with the first intermediate gear when the rotation shaft is located at the second position. The rotation shaft can be located at a third position which is an intermediate position between the first position and the second position, the first intermediate gear engaging with both the first output gear and the second output gear when the rotation shaft is located at the third position.

Abstract: Disclosed is a unison ring assembly. The assembly comprises a first unison ring and a second unison ring concentrically aligned along a principal axis, the first and second unison rings being rotatable about the principal axis. The assembly further comprises a gear mechanism configured to simultaneously rotate the first and second unison rings about the principal axis.

Abstract: The present invention is to provide an intermittent driving device, which includes a housing installed on an outer side of a grill burner and a control gear set fixedly provided in the housing. The control gear set includes an input gear, an intermittent gear and an output gear, wherein the input gear is rotated by a motor, the upper half of the intermittent gear is circumferentially and concavely provided with a rotation-stopping groove and meshes with the output gear, the lower half of the intermittent gear meshes with the input gear, and axle of the output gear has one end pivotally connected to axle of the input gear and has an opposite end securely connecting with a rotating grill rack outside the housing. Thus, the output gear can be rotated by the intermittent gear and then rotate the rotating grill rack intermittently above a heat source of the grill burner.

Abstract: A drive transmission apparatus includes a sun gear driven by a drive source, a planetary gear, a supporting member that supports the planetary gear capable of revolving around the sun gear in a rotatably engaged state with the sun gear, a driven gear that is engaged with the planetary gear when the planetary gear revolves and moves to an engagement position by the rotation of the sun gear in a first direction, and a rotational force providing unit that provides a rotational force to the driven gear to rotate the sun gear in a second direction opposite to the first direction via the planetary gear when the planetary gear is engaged with the driven gear. When the sun gear is rotated in the second direction by the drive source, the rotational force providing unit blocks the revolution of the planetary gear by rotating the planetary gear via the driven gear.

Abstract: A geared fluid drive arrangement in which a constant speed motor is used to start a “full-size” boiler feed pump, and is able to operate the pump at a limited speed and correspondingly limited power adequate to fill, pressurize and feed water to a boiler such as would be used for an electrical generating plant to start-up and to operate stably at part load, but not necessarily full load. After the boiler is operating stably, steam from the boiler or from an extraction point of the main turbine is admitted to a mechanical drive steam turbine in order to drive the same “full-size” pump to the normal operating range.

Abstract: A drive transmission device includes a gear train and a movable gear locking device. The gear train transmits rotational drive to a drive target, and includes a first gear train forming a first transmission path for transmitting the drive to the target, a second gear train forming a second transmission path for transmitting the drive to the target as drive opposite in rotation direction to the drive transmitted by the first gear train, and a movable gear movable between a first drive transmission position whereat the movable gear forms a part of the first gear train to transmit the drive to the target and a second drive transmission position whereat the movable gear forms a part of the second gear train to transmit the drive to the target. The movable gear locking device locks the movable gear at an idle position.

Abstract: An image forming apparatus has a high-speed mode and a low-speed mode and includes a speed switch unit configured to select the high-speed mode or the low-speed mode by switching a rotation direction of a drive source. The speed switch unit includes a drive gear attached to a rotating shaft of the drive source; a first drive gear series transmitting a rotating power of the drive source upon rotation in a first direction to an image carrier; and a second drive gear series transmitting a rotating power of the drive source upon rotation in a second direction to the image carrier, the second drive gear series having a larger reduction ratio than the first drive gear series. The speed switch unit causes the drive gear to be selectively connected to the first drive gear series or the second drive gear series depending on the rotating direction of the drive source.

Abstract: A transmission generally includes a shaft member having a continuous cylindrical surface portion longitudinally disposed next to a cylindrical outer surface portion interrupted by longitudinal grooves. A first gear assembly has a first clutch spring that holds a first set of rolling members between lobes that extend from a first output gear. A second gear assembly has a second clutch spring that holds a second set of rolling members between lobes that extend from a second output gear. The first gear assembly and the second gear assembly are configured to move longitudinally along the shaft member to a position where at least one of the first gear assembly and the second gear assembly is engaged for rotation with the shaft member when a value of torque at the shaft member is below a torque threshold value.

Abstract: A power transmission switching mechanism for office machine. The power transmission switching mechanism has simple structure and enables the office machine to commonly use a motor to execute scanning and printing works. The power transmission switching mechanism includes a rotary shaft, a drive gear mounted on the rotary shaft, an actuator reciprocally movable on the rotary shaft and a driving gear for transmitting power of a motor to the drive gear. The drive gear has an spline. The actuator can be selectively moved forward or backward to make the spline disengaged from a first gear mounted on the rotary shaft or engaged with the first gear. When the spline is disengaged from the first gear, the power of the motor is transmitted to a scanning module. When the spline is engaged with the first gear, the power of the motor is transmitted to the rotary shaft for printing work.

Abstract: A speed-varying device (10A) that can give a high gear ration with a small number of stages and that can be reduced in weight is provided. The speed-varying device (10A) is configured by combining parallel gears, and an input gear (11) provided on an input shaft (Si) and an output gears (12A, 12B) provided on an output shaft (So) are coupled to each other via a plurality of pinion shafts (Sv) that are arranged in the circumferential direction. The pinion shafts (Sv) are each provided with gears (13, 14A to 14D) having teeth different in number at both ends thereof. The gears (14A to 14D) disposed on the output shaft (So) side of the plurality of pinion shafts (Sv) are engaged with the plurality of output gears (12A, 12B) alternately in the circumferential direction. The output gears being arranged so as to be shifted from one another in the axial direction of the output shaft (So).

Abstract: A motorcycle having a transmission which includes a counter shaft to which a rotation of a crankshaft disposed in an engine is transmitted and a drive shaft to which a rotation of the counter shaft is transmitted. A pair of drive gears mounted on the counter shaft so as to be rotated integrally with the counter shaft, and a pair of driven gears mounted on the drive shaft so as to be meshed with the pair of drive gears, respectively, to be rotatable therewith, and a friction ring is interposed between the pair of driven gears.

Abstract: A power transmission switching mechanism for office machine is provided. The power transmission switching mechanism has simple structure and enables the office machine to commonly use a motor to execute scanning and printing works. The power transmission switching mechanism includes a rotary shaft, a drive gear mounted on the rotary shaft, an actuator reciprocally movable on the rotary shaft and a driving gear for transmitting power of a motor to the drive gear. The drive gear has a spline. The actuator can be selectively moved forward or backward to make the spline disengaged from a first gear mounted on the rotary shaft or engaged with the first gear. When the spline is disengaged from the first gear, the power of the motor is transmitted to a scanning module. When the spline is engaged with the first gear, the power of the motor is transmitted to the rotary shaft for printing work.

Abstract: A twin clutch speed-change apparatus that can reduce shift shock includes a transmission with multiple gear pairs disposed between a main shaft and a countershaft. A twin clutch is provided on the main shaft, a rotational drive force from an engine being connected/disconnected between the transmission and the engine, a dog clutch is provided between an axially slidably attached slidable gear and an axially non-slidably attached non-slidable gear to select a gear pair, for transmitting a rotational drive force, from the multiple gear pairs. Dog teeth of the dog clutch include steps different in axial height from each other between a portion abutted against a lateral wall surface of a dog hole when the rotational drive force is transmitted by the dog clutch, and a portion abutted against a lateral wall surface of the dog hole when the rotational drive force is not transmitted by the dog clutch.

Abstract: A transmission having at least one shaft, on which a guide sleeve which has a first external toothing system is arranged fixedly so as to rotate with it and at least one slider sleeve which has an internal toothing system is arranged, it being possible to adjust the slider sleeve between a disengaged position, in which the internal toothing system and a second external toothing system on a clutch element are not operatively connected, and an engaged position, in which the internal toothing system meshes with the second external toothing system. The internal toothing system and/or the first external toothing system are/is configured in such a way that there is merely punctiform contact between them in the engaged position. As a result, in particular, an undesired gear disengagement can be suppressed.

Abstract: A single motor transmission shifting mechanism with exactly one electric motor for generating drive motions for selecting, and for generating drive motions for shifting gears of a motor vehicle transmission device, and with a threaded spindle for switching from a mode, in which selection motions can be effectuated, into a mode, in which shifting motions can be effectuated, and with a shifting shaft, which can be moved in axial direction for selecting, and which can be rotated around its longitudinal axis for shifting, wherein all components, transferring the drive load for shifting from the electric motor to the shifting shaft during shifting operation, maintain their axial position relative to the longitudinal axis of the threaded spindle during this shifting operation.

Abstract: A starter is provided, which includes an intermediate gear connected to an intermediate shaft, and engaging with and driven by a pinion gear which is connected to an output shaft of a motor. The intermediate gear engages with a ring gear of an engine to crank up the engine when shifted together with the pinion gear in axial directions of these shafts via a retainer which is slidably supported by both of these shafts. A clutch supported by the shaft of the motor causes this shift by pushing the retainer in its axial direction. The clutch and the intermediate gear, each being defined by its outermost diameter, overlap with each other in the radial direction between these shafts. This overlap reduces stress acting on the retainer when the intermediate gear engages with the ring gear, thus reducing thickness of the retainer and the axial length of the starter.

Abstract: A transmission generally includes a shaft member having a continuous cylindrical surface portion longitudinally disposed next to a cylindrical outer surface portion interrupted by longitudinal grooves. A first gear assembly has a first clutch spring that holds a first set of rolling members between lobes that extend from a first output gear. A second gear assembly has a second clutch spring that holds a second set of rolling members between lobes that extend from a second output gear. The first gear assembly and the second gear assembly are configured to move longitudinally along the shaft member to a position where at least one of the first gear assembly and the second gear assembly is engaged for rotation with the shaft member when a value of torque at the shaft member is below a torque threshold value.

Abstract: The invention relates to four wheel drive switching device of a tractor which use the hydraulic pressure to move a sliding gear of the devices, and the four wheel drive switching device is controlled by means of one-touch button operation of a user. The four wheel drive switching device has a rear wheel drive shaft, a second drive gear, a third drive gear, a sliding gear, a hydraulic flow path, a cylinder room, a return spring and a front wheel drive gear. The hydraulic pressure force is acted on the sliding gear through the flow path, and the sliding gear is moved to one side, and the hydraulic pressure force holds the third drive gear to remain power transmission state.

Abstract: Disclosed herein is an apparatus that relates to a gear set. The apparatus includes, a housing, a first gear movable in the housing such that a first axis defined by the first gear is repositionable relative to the housing, a second gear in mesh with the first gear, and a second axis defined by the second gear. The apparatus constrains movement of the first axis to a plane containing both the first axis and a line commonly perpendicular to the first axis and the second axis, and a biasing member that urges the first gear toward the second gear.

Abstract: A transmission for vehicles is composed of an input shaft provided with a plurality of drive gears and connected to a drive shaft of an engine, an output shaft disposed parallel to the input shaft, driven gears which mesh with the drive gears, individually, and are rotatably disposed on the output shaft, a synchromesh mechanism which includes a sleeve axially movable relative to the output shaft and engages with a side of the driven gears, thereby connecting the driven gears to the output shaft, and a parking gear formed integrally on a hub of the synchromesh mechanism, the parking gear radially overlapping a bearing from outside. Thus, there may be provided a transmission for vehicles that requires less component parts and has a small transverse dimension.

Abstract: A reverse gear system for a motorcycle includes a shifter for rotatably supporting the idler gear, locating the idler gear in a separation position to disengage the idler gear from the main-shaft-side gear when the shifter is set in a retracted position, and for locating the idler gear in an engagement position to engage the idler gear with the main-shaft-side gear when the shifter is set in a forward position; and a holding unit for provisionally holding the shifter selectively in a state with the shifter being set in the retracted position and in a state with the shifter being set in the forward position. The idler gear is combined with the shifter so that the idler gear has a shaft member formed thereon so as to be rotatably inserted in bearing apertures formed in the shifter. The bearing apertures are formed so as to have a length along a shifting direction of the shifter, the length being larger than a diameter of the shaft member.

Abstract: A transmission with a simple structure and mechanism, light-weight and compact is realized. In the transmission, a first rotation shaft coaxially fixed to a first turning transmission wheel and a second rotation shaft coaxially fixed to a second turning transmission wheel are arranged in parallel with each other. A support shaft is arranged to extend between the first turning transmission wheel and the second turning transmission wheel. An intermediary transfer wheel is provided on the support shaft rotatably and movably along the longitudinal direction of the support shaft. The intermediary transfer wheel contacts with a side peripheral surface of the first turning transmission wheel and the side peripheral surface of the second turning transmission wheel and moves longitudinally along the support shaft while maintaining the contact.

Abstract: A bicycle drive system includes a front gear face, a rear gear face, a front guide assembly, a rear guide assembly, and a drive shaft coupled to a rear-suspension frame via a rear hub and a crank spindle. The bicycle drive system operates independently of the frame. Shifting from one gear to another is controlled by a shift controller. Each shift of the shift controller shifts both the front and rear guide assemblies at the same time. The shift controller is preferably coupled to the front and rear guide assemblies via a cable system.

Abstract: A transmission for a tractor comprises a transmission case having an opening that opens to exterior of the transmission case and a speed change device that is housed in the transmission case. The transmission also includes a cover removably attached to the transmission case for closing the opening of the transmission, a main speed change shift fork supported by the cover and capable of engaging with and moving a main speed change shifter, and a sub speed change shift fork supported by the cover and capable of engaging with and moving a sub speed change shifter. The cover is capable of mounting a creep speed change device having a creep speed position.

Abstract: Charging or recharging a capacitor powers a USB key. The capacitor is connected to the USB plug. Inserting the key in a powered device charges or recharges the capacitor. Alternatively, the capacitor is connected to the USB plug and a rotatable generator electrically is connected to the capacitor. A sliding gear having teeth engages with complimentary teeth of the generator. A spring disposed at each end of the sliding gear to restrain the sliding movement of the gear. Movement of the sliding gear kinetically charges or recharges the capacitor. The USB key can include the capacitor alone or the kinetic arrangement or the combination of the capacitor and the kinetic arrangement.

Abstract: A speed-change transmission mechanism used in a laminator is disclosed to include a plurality of driving gears rotatable with a transmission shaft by a power drive, a driven shaft for rotating two thermal-compression rolls through two meshed driven gears, a plurality of transmission gears respectively mounted on the driven shaft and meshed with the driving gears, and a switching device for selectively controlling rotation of the transmission gears with the driven shaft to further control the speed and torque of the driven shaft.

Abstract: In a system in which a large motor, to be energized from a power grid, is connected to drive a main fluid drive through a main impeller shaft that has a main impeller shaft gear mounted on it, a relatively small start-up motor is provided, driving a start-up fluid drive. A start-up gear is connected to be driven by the start-up fluid drive and selectively to drive the main impeller shaft gear, and to be disengaged from the main impeller shaft gear. In operation, the small motor is first started, with the start-up gear engaging the main impeller shaft gear, and brought up to a speed at which the large motor begins to rotate at close to synchronous speed with the electrical frequency of the grid, at which point the large motor is connected to the grid.

Abstract: It is sought to simplify the arrangement of the drive power switching system for an acoustic apparatus, thus permitting immediate switching of the drive power. A drive power switching system comprises driven gears always in mesh with a main drive gear located between a first and a second gear and a rocking member rotatably supporting the driven gears. The inter-axis distance between the axes of rotation of the first and second gears, is set to a length, in which the driven gears can be meshed with both the first and second gears as they are revolved together with the revolution of the rocking member.

Abstract: In a power transmission arrangement, a working unit includes a hydraulic power unit and a valve unit enclosed in a first bulging portion of a transmission case closer to an upper side or on a top surface thereof and connected with each other along a vehicle lengthwise direction. The first bulging portion is closer to a first lateral side along the vehicle width direction of the transmission case, while a hydraulic pump is located closer to a second lateral side. Hydraulic fluid is drawn from the transmission case, around a lower side of the hydraulic pump, through a suction port thereof, and discharged to a suction port of the valve unit. The hydraulic power unit includes a cylinder tube and piston, extending in the lengthwise direction, and support shaft, extending along the width direction, which is supported by the transmission case and connected to a lift arm.

Abstract: In a transmission for a working vehicle, a PTO input shaft is located with its rotational axis extending in a vehicle lengthwise direction substantially at a widthwise center of a transmission case along a vehicle width direction. A running power input shaft is located with its rotational axis extending in the vehicle lengthwise direction substantially at the same position as that of the PTO input shaft along the vehicle width direction and at a lower side of the PTO input shaft. The transmission case provides an accommodation space for accommodating a differential gear unit, which space is displaced to a first lateral side of the vehicle along the vehicle width direction. A running power transmission shaft is located on the front side of the space with its axis extending in the vehicle lengthwise direction, and the running power input shaft, the running power transmission shaft and the differential gear unit are interlocked to each other via a running power gear train.

Abstract: A device for ensuring correct tooth engagement during coupling of an adjustable, first gearwheel to a second gearwheel of a printing-material processing machine, includes a first adjustment device for adjusting the first gearwheel in a direction towards the second gearwheel during coupling, and further includes a protrusion and a guide for guiding the protrusion during the coupling, the protrusion being disposed eccentrically to one of the two gearwheels and being connected to the one gearwheel, so that, during rotation of the one gearwheel about a central axis thereof, the protrusion is rotatable together with the one gearwheel.

Abstract: The invention resides in an infinitely variable traction roller transmission with coaxial input and output shafts, a main transmission shaft rotatably supported in spaced parallel relationship with the input and output shafts and with an input traction roller drive interconnecting the input shaft and the main shaft and further an infinitely variable traction roller transmission structure disposed on the main shaft for transmitting motion from the main shaft at variable relative speed to the output shaft via an output traction roller drive wherein the input and output traction roller drives include traction gears mounted in radial alignment respectively on the input shaft and the main shaft and an output shaft of he infinitely variable traction roller transmission and hollow shaft surrounding the input shaft and connected to one of the ring and the planet carrier of a planetary-type transmission whose other of the ring and planet carrier is connected to the output shaft and whose sun is disposed on the input s

Abstract: A geared motor for an automotive powered seat which is so constructed that a plurality of output gears are disposed around a pinion gear of one single motor such as to be displaceable between an engagement position where one of the output gears is engaged with the pinion gear and a disengagement position where other remainder of the output gears are retained away from the pinion gear. A selection gear and a cam are provided to cause displacement of a selected one of the output gears towards the pinion gear for engagement therewith, so that a drive force of one motor may be outputted to plural seating-posture adjustment devices. A gear selection motor is provided to control rotation of those selection gear and cam for that selective gear engagement purpose.

Abstract: A rotary compressor has an electric motor and a compressing mechanism drivingly connected together by a crank shaft and disposed in a closed housing. The compressing mechanism has a rolling piston rotatable in a cylinder bore and driven by an eccentric portion of the crank shaft. First, second and third balancers are mounted on an end of the crank shaft and on the opposite ends of a motor rotor, respectively. The second and third balancers are formed therein with weight-adjusting holes by which the masses of the second and third balancers are finely adjusted to fall within tolerable ranges.

Abstract: A second clutch gear, which serves as a driving gear, receives a driving force from a capstan motor. A first clutch gear, which serves as a driven gear, is arranged coaxial with the second clutch gear, with a friction mechanism interposed therebetween. The first clutch gear receives the driving force which the second clutch gear transmits thereto through the friction mechanism. A directly-coupling gear for directly transmitting the driving force from the second clutch gear to the first clutch gear is provided such that it can be brought into mesh with the first and second clutch gears. The directly-coupling gear includes first and second gears which are arranged coaxial with each other and are designed to provide gaps in the circumferential direction thereof, such the gaps can absorb torsion generated between the first and second clutch gears.

Abstract: A secondary timer mechanism for controlling a secondary program function independently of a first program function. A main timer mechanism controls the first program function and is operatively driven by a motor. A second timer mechanism can be set independently of the main timer mechanism and engages the motor through a drive gear in a first axial position and is in non-engaging relation with the drive gear in a second axial position. The second timer mechanism includes a peripheral cam surface that cooperates with a cam follower to advantageously control selective electrical connection between contact portions. The contact portions regulate the secondary program function. Pins are operatively included in the second timer mechanism for maintaining an engaged relationship with the drive gear.

Abstract: Apparatus for adjusting a seat in a motor vehicle forwardly or backwards has guide rails on the floor of the passenger compartment in the vehicle, seat supporting rails which are movable along the guide rails, toothed racks on the guide rails, pinions meshing with the racks, and a motor-driven transmission with a rotary output element which serves to rotate the pinions in order to move the supporting rails along the guide rails. The shaft which transmits torque to the pinions has an external gear in mesh with an internally toothed portion of an axially movable sleeve which is further provided with an externally toothed portion movable into and from mesh with an internal gear of the output element. A shifting element is provided to move the sleeve axially into and from mesh with the internal gear of the output element.

Abstract: This invention provides a moveable toy with a trigger control mechanism which has: a main body for defining the toy; a frame disposed within the main body; at least one acting means being able to reserve energy for generating an acting force and having a member for triggering the acting force; and a trigger control means installed in the frame and adapted to reserve energy for generating a rotating force by which the member of the above-mentioned acting means can be actuated and the acting force of the acting means can be triggered and released.

Abstract: In a multiple-step gear drive there are two stationary toothed wheels, comprising a driving wheel and a driven wheel. Their spacing and positions remain constant as the housing that supports gear trains is rotated. For each gear step or position there is a gear train. Each train comprising one or several gear-wheels and in engagement with each other, all these gear-wheels being rotatably jounalled in a housing. The housing is movable substantially parallel to a plane running perpendicular to the shafts of the stationary toothed wheels, to be brought into a specific engagement position for each gear step in which the gear train is in engagement with both stationary toothed wheels. The housing and gear wheels are thus arranged so that in at least one gear step the housing can be disengaged from its engaged position in two substantially opposite directions, thus moving the corresponding gear train in the selected direction and thereby breaking the driving connection between the two stationary toothed wheels.

Abstract: A compact swimming pool cover handling system including a pair of stationary roller support members, a roller for attaching the pool cover, and a hydraulic power attenuator for operation of the system. The hydraulic power attenuator includes controls for reversing directions of the roller without removing the source of liquid operating the device.

Abstract: A robot toy includes a movable arm which is constituted of alternatingly interconnected three first members and three second members. The first member has a first rotating unit for moving the adjacent second member about its longitudinal axis, and the second member has a second rotating unit for rotating the first member about an axis perpendicular to the longitudinal axis. The transmission system for transmitting the output motion of a motor to the arm includes a plurality of transmission cords which are made of metal wires twisted together for the transmission along long transmission lines.

Abstract: An endoscope has a handle portion and a separate shaft portion which can be joined to the handle portion. The shaft portion has a flexible shaft flexing movement of which is controlled by knobs on the handle portion, and this motion is transmitted across the handle/shaft interface by meshing gearwheels. Each tooth of each gearwheel has a crown shaped so as to have a central ridge between sloping sides which facilitate interengagement of the gearwheels when the latter are brought into crown-to-crown engagement in a non-rotating condition.

Abstract: A timer comprising a driven control cam having a first and second cam track. First and second resilient arms carry opposing contacts and the second arm has a lateral projection in the direction of the second cam track. A cam following member extending between the second arm and first cam track is biased into cam-following engagement with the first cam track by the second arm. A spring biased pivotal rocker arm having at one end a cam follower portion and at the other end a lifter portion. During rotation of the control cam, the cam following member and first cam track are operative to prevent closing the contacts. The cam following member and firt cam track further being operative to release the cam following member from the first cam track and close the contact. The rocker arm and second cam track being operative to pivot the rocker arm so the lifter portion engages the lateral projection of the second arm and opens the contacts.

Abstract: An assembly for installation into a fuel dispensing pump permits its conversion from gallon- to liter-based operation upon the mere pulling of a shift pin.

Abstract: This invention relates to a control system for regeneration of a water treatment system in which a water meter monitors water usage and mechanically drives a water volume wheel to an operative position to call for regeneration when a predetermined volume of water has been treated and then automatically resets itself. A timer wheel driven by a motor is included within the control system such that the timer wheel and the water volume wheel coact to activate the regeneration cycle mechanism at a predetermined time after a predetermined volume of water has passed through the water meter. The mechanism is adjustable relative to the water treating capacity of the treatment system and the condition of the water being treated so as to be able to vary the predetermined volume of water treated which will call for regeneration.