Abstract: A slat controller for a window blind has a gear, a worm member, and a connector. The gear connects to slats through cords, and the worm member having spiral teeth meshed with the gear. The connector has flexible arms, and the flexible arms have teeth. The worm member has teeth normally engaging the teeth of the connector, and the teeth of the worm member disengage the teeth of the connector to protect the meshed gear and the worm member when the user keeps turning the tilting rod beyond the allowable turning range.

Abstract: A backlash-compensating mobile (1) intended to form a gear with a second mobile (2) and having rigid teeth (4, 5) and backlash-compensating leaf springs (16), is characterized in that the rigid teeth (4, 5) are distributed in groups of consecutive teeth, each group having a first rigid tooth (4) and a second rigid tooth (5) having respective mutually facing meshing flanks (10, 11) to permit the displacement of the second mobile (2) in both directions, and in that the leaf springs (16) are interleaved between these groups in spaces not intended to receive the teeth (3) of the second mobile (2), and extend beyond the tip circle (Ca) of the rigid teeth (4, 5) in order to cooperate with the second mobile (2).

Abstract: A gear device includes a gear, a pin, a plate member, a retainer portion, a contact part and a non-contact part. The pin is inserted into an opening of the gear. The plate member is disposed on a face of the gear and attached along an outer peripheral surface of the pin. The retainer portion is disposed in a vicinity of an end portion of the pin, with the plate member being interposed between the retainer portion and the face of the gear. The contact part is formed by faced surfaces of the retainer portion and the plate member with parts of the faced surfaces annularly making contact in a position closest to an outer peripheral surface of the pin. The non-contact part is formed by the faced surfaces with parts of the faced surfaces not making contact in a position away from the outer peripheral surface of the pin.

Abstract: A linear actuator is provided which includes a motor and a screw as an output shaft and in which the rotational movement of the motor is converted into the linear movement of the screw, wherein at least one retainer to hold a plurality of balls is disposed at the inner periphery of a hollow rotor of the motor, a ball screw is formed at the outer periphery of the screw, the balls are engaged with the ball screw such that the screw is set coaxial to the rotor, and wherein the screw provided with the ball screw is moved linearly by means of the rotation of the balls disposed circumferentially at the inner periphery of the rotor.

Abstract: Disclosed is a power-transmitting apparatus. A power-transmitting apparatus of the present invention comprises: a pin gear provided with a plurality of pins capable of rolling movement; and a spur gear provided with a plurality of teeth and en-gagingly coupled to the pin gear so as to be relatively movable, wherein the spur gear teeth are formed with a cycloid tooth shape, and a polygonal tooth root space is formed at a tooth root region of the spur gear. As compared to a trochoid tooth shape, the tooth shape of the spur gear engagingly coupled to the pin gear so as to be relatively movable according to the present invention has a greater tooth size so that it can be applied as a cycloid tooth shape capable of maintaining a sufficient tooth contact ratio, and can resolve a reduction in tooth thickness and the wedging of the pins from an undercut at the tooth root region.

Abstract: Provided is a drive apparatus of a hybrid vehicle, configured in such a manner that the occurrence of a resonance phenomenon is minimized and that the efficiency of utilization of the space occupied by a torque limiter mechanism is improved. A drive apparatus for a hybrid vehicle is configured in such a manner that a torque limiter is provided in the path of power transmission between an inner shaft and a generator at a position between the generator and a motor. The torque limiter axially overlaps with at least a part of the stator of the generator and/or at least a part of the stator of the motor.

Abstract: A method for shifting a semi-automatic powershift transmission used in a motor vehicle during a manually triggered traction upshift involves the shift phases of the charging of an actuator of a clutch to be engaged, an overlap of the charging of the actuator of the clutch to be engaged and the emptying of an actuator of a clutch to be disengaged, and also involves an engine rotational speed alignment. The charging, the overlap and the engine rotational speed alignment are carried out simultaneously. In the shift process during a manually triggered shift, the driver perceives a change in engine rotational speed with only a minimal delay after the shift command.

Abstract: A ball screw device includes a screw engaged into a nut member for forming two or more endless ball guiding passages and for receiving a number of ball bearing members, the nut member includes two or more conduits and recesses communicative with the helical grooves of the nut member, two deflecting devices are attached to end portions of the nut member and each include an inner member attached to the nut member and having two or more pathways aligned with the recesses of the nut member, and an outer member attached to the inner member and coupled to the inner member with one or more radially extended protrusions for suitably guiding ball bearing members.

Abstract: A drive apparatus for boarding and unboarding devices, in particular for passenger doors, boarding ramps, retractable steps and the like on public transport vehicles having an electric drive motor the driven element of which is connected to the input element of a first reduction gear the output element of which is coupled to the actuation devices for the boarding and unboarding devices where the drive apparatus is constructed as a compact drive where the electric drive motor, the first reduction gear and a second reduction gear as well as an energizable clutch are disposed axially behind each other inside a tubular housing between the first reduction gear and the second reduction gear.

Abstract: An oilfield pumping unit two-stage transmission gear reducer includes a low speed stage having a low speed shaft configured to receive motion from an intermediate shaft. A first gear pair includes a low speed shaft double circular arc gear mounted on the low speed shaft and configured to be driven by an intermediate shaft double circular arc gear mounted on the intermediate shaft. A high speed stage includes a high speed shaft configured to receive motion from an intermediate shaft. A second gear pair has a high speed shaft involute gear mounted on the high-speed shaft and configured to be driving an intermediate shaft involute gear mounted on the intermediate shaft.

Abstract: A manual transmission of a motor vehicle, is actuated by manually shifting a shift lever in a gearshift console having a selector gate and shifting gates in a multiple-H shifting pattern, with coaxial input and output shafts and a parallel countershaft, and with a number of gearset planes. Transmission gears are implemented by engaging at least two associated gear clutches. The gear clutches are divided into a selection group and a shifting group. The selection group gear clutches can be actuated exclusively by moving the shift lever in the selection gate so as to couple the input and counter-shafts. The shifting group gear clutches can be actuated exclusively by moving the shift lever in the shifting gates so as to couple the output and counter-shafts, and the gear clutch respectively engaged in the shifting gates having the two opposite gears is a selection group gear clutch.

Abstract: An oilfield pumping unit two-stage transmission gear reducer includes a low speed stage having a low speed shaft configured to receive motion from an intermediate shaft. A first gear pair includes a low speed shaft double circular arc gear mounted on the low speed shaft and configured to be driven by an intermediate shaft double circular arc gear mounted on the intermediate shaft. A high speed stage includes a high speed shaft configured to receive motion from an intermediate shaft. A second gear pair has a high speed shaft involute gear mounted on the high-speed shaft and configured to be driving an intermediate shaft involute gear mounted on the intermediate shaft.

Abstract: A gyroscope device and method are disclosed. An example of the gyroscope device includes a gyroscope element and a frame. A drive element for spinning the gyroscope element which also results in torque on the frame parallel to an axis of rotation of the gyroscope. A first torque application element is mounted on the frame to counter torque produced by the drive element to subsequently restrict the frame from freely rotating in a direction counter to the gyroscope element. A second torque application element imposes a torque on the frame perpendicular to the axis of rotation of the gyroscope element to tilt the axis of the gyroscope and effect direction of motion.

Abstract: A driving force distribution device includes a first friction roller that rotates together with a rotating member constituting a torque-transmitting path to the main driving wheel; a second friction roller that rotates together with a rotating member constituting a torque-transmitting path to the auxiliary driving wheel; and an inter-roller radial press section that presses the first and second friction rollers in radial directions of the first and second friction rollers into pressing contact with one another, to allow torque transmission between the first and second friction rollers, wherein the inter-roller radial press section sets a radial pressing force between the first and second friction rollers to limit torque input to the auxiliary driving wheel by allowing slippage between the first and second friction rollers when a maximum torque is inputted to the driving force distribution device under a condition that torque distribution to the auxiliary driving wheel is maximized.

Abstract: A transmission (12) for a vehicle (10) includes a gear shaft (24) having an external periphery (57) and a hub (54). The hub (54) is rotatably secured and axially moveably connected to the external periphery (57) of the gear shaft (24) and has a plurality of external teeth (62). The transmission (12) also includes a gear (56) connected to the gear shaft (24). An external periphery (66) of the gear defines teeth (67). The transmission further includes a shift collar (44) having a bore (64) through the shift collar (44). The shift collar (44) has internal teeth (65) that engage the teeth (62) of the hub (54). The gear and the shift collar (44) have a first configuration where all of the teeth (65) of the shift collar (44) are spaced from all of the teeth (67) of the gear (56) and a second configuration (70) where at least some teeth (65) of the shift collar (44) engage teeth (67) of the gear (56). The shift collar (44) defines a feature (71) for limiting the axial motion of the shift collar (44).

Abstract: A transmission capable of triple overdrive includes a main box section connected to a first input shaft. The main box section comprises clutch collars which are connected to the main shaft and axially movable by an operator to selectively couple one main shaft gear to a main shaft via a countershaft gear fixed on a countershaft. An auxiliary section is connected to the main box section and contains a splitter section and a range section. An output shaft is connected to the auxiliary section The transmission is selectively configured Io operate in a plurality of gear combinations. At least three of the gear combinations are configured for overdrive. The main box section is connected directly to the splitter section.

Abstract: In a gear transmission, pairs of spur drive gears provided with a helical cut spline on the inner diameter of the spur drive gears are mounted on a drive shaft provided with helical cut splines on the outer diameter of the drive shaft. The pairs of spur drive gears engage pairs of spur driven gears provided with a helical cut spline on the inner diameter of the spur driven gears mounted on a driven shaft provided with helical cut splines on the outer diameter of the driven shaft. In operation, there is equal load sharing among spur drive gears engaging the spur driven gears.

Abstract: A robot with improved cleanliness for use in a clean environment is disclosed, having a uniform flow through the open interface between the clean environment and the interior of the robot housing, passing the particle generation area to an exhaust port, keeping the particles from the clean environment. The uniform flow reduces or eliminates the back flow, and further allows the scalability of the open interface to prevent particles generated from moving mechanisms within the robot housing to contaminate the clean environment. The uniform flow can be established by designing the flow dynamic, centering the exhaust port, or by restricting the flow along the elongated slot, for example, by uniformly restricting the flow along the elongated slot, or by implementing a restrictor along the elongated slot.

Abstract: A drive arrangement for a motor vehicle includes two driven axles, wherein at least one of the axles can be connected and disconnected, with a variable speed transmission having at least one input shaft, two driven shafts, each driven shaft driving a respective axle, and several forward gears and optionally one reverse gear which can be switched via gear wheels and synchronous couplings. The drive arrangement can be easily switched between different drive modes by dividing the variable speed transmission into two sub-transmissions, of which one sub-transmission drives exclusively a first axle via a portion of the forward gears and the one driven shaft and the second sub-transmission drives both driven shafts via the remaining portion of the forward gears and optionally the reverse gear.

Abstract: A drive train, which has an internal combustion engine with a crankshaft and a parallel shift transmission with two part drive trains, which each have one transmission input shaft. One shaft is formed as a hollow shaft around the other shaft, and a dual clutch, which is received rotatably on the hollow shaft, is connected to the crankshaft and has two friction clutches and two clutch plates each assigned to one clutch and are each connected to one transmission input shaft. Each clutch plate has a torsional vibration damper with a working range which is smaller than a maximum torque of the engine. A build-up of a combined vibration which has an axial vibration of the dual clutch and a rotational vibration of the drive train during an overlap shift operation is prevented by the design of the torsional vibration dampers for a smaller torque.