Abstract: A power transmission apparatus in one aspect of the present disclosure comprises at least one gear that transmits an inputted driving force to at least one output part; at least one shaft that supports the at least one gear; a displacement portion configured to be mechanically interlocked with a displacement gear among the at least one gear and displaced in association with the displacement gear; a housing that houses the at least one gear and the at least one shaft; and an abutting portion that is disposed in the housing and configured to restrict a possible displacement range of the displacement portion by abutting the displacement portion. The abutting portion is configured so as not to be displaced along with a rotation of the at least one gear and is disposed in the housing at a location spaced apart from the at least one shaft.

Abstract: A transfer case for a four-wheel drive vehicle having a disconnectable secondary axle assembly. The transfer case is configured to include a pumpless lubrication sump maintained in relation to a mainshaft for lubricating rotary components surrounding the mainshaft.

Abstract: A robot includes a first arm rotatable around a first axis and a second arm having an extending direction. The first arm includes a first base and a first extending portion. The first base includes a first through hole passing through the first arm along the first axis. The first extending portion extends from the first base along the first axis. The second arm includes a second base and a second extending portion. The second base includes a connection portion connected to the first extending portion such that the second arm is rotatable around a second axis that is substantially orthogonal to the first axis. The second base includes a second through hole passing through the second arm along the extending direction. The second extending portion is provided opposite to the connection portion in the extending direction and extends from the second base along the extending direction.

Abstract: A selectively self-locking actuator includes a threaded shaft having a first threaded portion and a second threaded portion. The first threaded portion includes a semicircular ball screw threadform and the second threaded portion includes a power screw threadform. The actuator further includes a ball nut mated to the first threaded portion, a split nut selectively mated with the second threaded portion, and a nut coupler plate configured to secure the ball nut and split nut at a fixed distance from each other. The split nut includes at least a first split nut portion and a second split portion each mated to a spring and a driver. The spring is configured to bias the first split nut portion and the second split nut portion either radially inward or radially outward with respect to the threaded shaft, and wherein the driver is configured to selectively oppose the bias of the spring.

Abstract: The present invention comprises: a fixed four-node link in which four links are joined together in a hinged fashion, comprising a fixed link of which the position is fixed, a connecting rod positioned on the opposite side of the first link, an input-side transmission link connecting the end on one side of the connecting rod and the first link, and an output-side transmission link positioned on the opposite side of the input-side transmission link; an input link part to which an actuator is attached, and which is joined in hinged fashion between the two ends of the input-side transmission link; and an output link part which is fixedly joined to the output-side transmission link and is rotated by means of the output-side transmission link, and the one-degree-of-freedom link device according to the present invention and the robot arm using the same can be used to allow easy attachment and detachment between link devices and achieve smooth action in a robot arm in accordance with what is desired.

Abstract: A flexplate assembly comprising a central plate having a general disc shape disposed about and extending radially from an axis. The central plate has a first radial width. A ring gear is annularly secured about the central plate and presents an outer circumference that defines a plurality of ring teeth extending therefrom. At least one noise plate is disposed adjacent to the central plate and extends circumferentially about the axis for reducing vibrations and noise from the flexplate assembly. The noise plate has a second radial width that is at least one half of the first radial width of the central plate. A method of constructing such a flexplate assembly is also provided.

Abstract: A linear-member-driven manipulator is provided that includes a bendable member that is bendable along a bending plane and includes a plurality of bendable portions; a linear member used to bend at least one of the bendable portions; a plurality of guiding members that guide the linear member that is driven; and a plurality of support members, each support member extending from one of the guiding members to the bendable member, wherein each guiding member is swingable with respect to the bendable member; and wherein, for each support member, a projection distance between the linear member and the support member on the bending plane is greater than or equal to a projection distance between the linear member and a bending neutral line of the bendable member on the bending plane.

Abstract: An actuator for a differential lock includes an actuator pin that is resiliently coupled to a lead screw to prevent excess force on the actuator pin under otherwise damaging conditions, such as a tooth-on-tooth state of the differential. The actuator may include sensors for sensing the position of a lead screw nut and sensors for sensing the position of the actuating pin to provide improved control by sensing multiple states of the actuator, including a state in which a tooth-on-tooth condition is present in the differential.

Abstract: An electronic, high-efficiency vehicular transmission, an overrunning, non-friction coupling and control assembly and switchable linear actuator device for use in the assembly and the transmission are provided. The device controls the operating mode of at least one non-friction coupling assembly. The device has a plurality of magnetic sources which produce corresponding magnetic fields to create a net translational force. The net translational force comprises a first translational force caused by energization of at least one electromagnetic source and a magnetic latching force based upon linear position of a permanent magnet source along an axis.

Abstract: A robot includes an arm that includes an arm main body and a motor and rotates about a rotation axis, and an amplifier unit that is provided in the arm and includes a drive circuit which drives the motor, in which at least a portion of the amplifier unit or the motor is positioned on the outside of the arm main body as seen from an axial direction that is parallel to the rotation axis.

Abstract: An actuating element for actuating an instrument for performing minimally invasive interventions comprises a first handle half-shell and a second handle half-shell movable relative to each other and connected with each other at one end by a biasing mechanism; a tube arranged substantially centrally between the handle half-shells; a linkage mechanism arranged between the handle half-shells and the tube in order to transmit an actuating movement of the handle half-shells; a locking mechanism with a latching rocker arranged on the first handle half-shell and a locking rocker arranged on the second handle half-shell, wherein the two rockers enter into locking connection with each other through an opening provided therefor in the tube when the handle half-shells are moved together, and wherein the rockers are mounted around a pivot axis such that a swiveling or pivoting movement of the rockers lies within a plane defined by the handle half-shells.

Abstract: An apparatus including a plurality of robot arm links movably connected to one another, where a first one of the robot arm links includes a frame, where the frame has a first end movably connected onto a second one of the robot arm links; and at least one vibration damper arrangement on the frame of the first robot arm link, where the at least one vibration damper arrangement includes at least one viscoelastic element connected to the frame of the first robot arm link by a connection such that, as the frame of the first robot arm link experiences vibrations, the at least one viscoelastic element dampens the vibrations in the frame of the first robot arm link based upon viscoelasticity and the connection of the at least one viscoelastic element to the frame of the first robot arm link.

Abstract: A gearbox (1) for agricultural and industrial motor vehicles comprises an input shaft (2) and an output shaft (3), a first clutch (12) and a second clutch (13) arranged in a position between the first and second transmission shafts (16, 17), the first and second transmission shafts both being hollow. The gearbox further comprises a first intermediate shaft (20) and a second intermediate shaft (21), the first intermediate shaft extending coaxially inside the second intermediate shaft. A first engaging device (22) is capable of selectively connecting the first intermediate shaft to the output shaft, a second engaging device (23) is capable of selectively connecting the second intermediate shaft to the output shaft and a third engaging device (24) alternately connects the second intermediate shaft to the first intermediate shaft or to the output shaft. The first engaging device and second engaging device are coaxial with the output shaft.

Abstract: A gear mounting structure includes a worm shaft, a gear, and an elastic member. The worm shaft includes a shaft body, on the outer surface of which is formed intersecting spiral grooves, and a gear locking portion with a non-circular cross section, on at least a portion of the outer surface of which is formed a curved surface portion and a planar portion. The gear includes a gear body, on the outer surface of which are formed teeth, and to which the handle rotation is transmitted, and a boss portion protruding from the gear body and having an engagement portion engaging the gear locking portion. The elastic member is mounted so as to abut the outer surface of the boss portion of the gear, and at least a portion of the curved surface portion of the gear locking portion.

Abstract: A multi-stage gear is provided with a planetary gear and a strain wave gear adjacent to the multi-stage gear, wherein a output of the planetary gear maintains a drive connection with a wave generator of the strain wave gear, and wherein the planetary gear is arranged at least partially radially within the strain wave gear. It is provided that the wave generator is mounted radially on a ring gear of the planetary gear.

Abstract: A play take-up device comprising a push button that is movably mounted and translationally guided, along a thrust axis 5, in a housing, to exert a thrust force against a rack, said device further comprising a resilient shock-absorbing member that is positioned between the push button and the housing, in contact, respectively, against a first bearing surface belonging to the push button, which is angled in relation to the thrust axis, and is preferably frusto-conical, and a second bearing surface belonging to the housing, referred to which has, opposite the distribution surface and counter to the resilient shock-absorbing member, both a radially extending component and an axially extending component, such that the shock-absorbing member simultaneously returns the push button axially towards the rack and transversely towards the thrust axis.

Abstract: A wave generator of a flat-type strain wave gearing has an insertion member disposed between two wave bearings. The insertion member is pressed into an elliptical outer peripheral surface of a plug and is fixed thereto by an adhesive. An inner ring contact part of the insertion member is in contact with inner rings of the wave bearings from the direction of a center axis. When the flat-type strain wave gearing is in an operating state, the wave bearings can be prevented from moving relative to the plug in the direction of the center axis by means of thrust force acting on the wave bearings.

Abstract: A drive device includes a drum housing rotatably supports a drum, allows an outer tube end to be inserted into an outer tube connecting portion and allows a wire to pass through a wire passage portion, and a drive member rotates the drum. An anti-deflection portion limits deflection of the wire and is formed on the drum housing/drive member. The anti-deflection portion includes a range surrounded by a line connecting one end of the formation range of the spiral groove and one end of the formation range of the insertion hole at the outer tube end connected to the outer tube connecting portion and a line connecting the other end of the spiral groove formation range and the other end of the insertion hole formation range at the end of the outer tube connected to the outer tube connecting portion, in the rotational axis direction of the drum.

Abstract: A transmission system (100) for vehicles comprising at least one set of plurality of input shafts (110 & 116) disposed concentrically and having an exposed portion; clutch means (108 & 114) at one end of the input shafts for connecting the input shafts to power sources; an output shaft (118) in communication with the input shafts for conveying the power to set of wheels; input gears (102 & 104) arranged in spaced parallel disposition on the exposed portion of the input shafts; dog clutch means (124 & 126) disposed between the input gears for locking the input shafts to respective input gears; and plurality of drive gears (120) arranged in spaced parallel disposition on the output shaft (118) for engaging in drive relation with the input gears, where the drive gears are configured to transmit power to the output shaft from the input shafts by means of the input gears.

Abstract: A screw apparatus with a seal ring is provided which has a reduced number of components and is easy to be assembled. The screw apparatus includes a screw shaft, a nut that includes a through-hole penetrated by the screw shaft and threadedly engages with the screw shaft via a rolling element, seal rings that include holes fitting the shape of a cross-section of the screw shaft, the cross-section being perpendicular to an axis thereof, and prevent the entry of dust into the inside of the nut, and/or prevent the leaking of lubricant in the nut, and a cap attached to the nut, the cap including protrusions fitted into indentations of the seal rings to effect positioning of the seal rings in a circumferential direction, the cap including a step in contact with the seal rings to effect positioning of the seal rings in an axial direction.