Abstract: A track assembly (15) for a track-driven vehicle, whereby the track-carrying beam (15) is arranged to hold a front and a rear wheel (16), one of which is driving, a plurality of carrying wheels about which wheels a continuous track travels, the track-carrying beam (15) is elongated and terminated by a first and a second gable end. The track-carrying beam (15) comprises an integrated compartment (37) and an opening (36) in one (35) of said gables, whereby the compartment (37) communicates with the surroundings via said opening (36), and whereby the opening (36) is arranged to allow for insertion of a transmission device for driving of said driving wheel (16) via the opening (36) in the compartment (37).

Abstract: A speed reducer according to one aspect of the present disclosure includes an input rotating body, a speed reducing mechanism unit, and a tubular case. The speed reducer is rotatable when acted upon by power fed from a drive device. The speed reducing mechanism unit reduces a speed of rotation of the input rotating body. The tubular case covers an outer surface of the speed reducing mechanism unit and rotates when acted upon by speed-reduced power from the speed reducing mechanism unit. An output arm is formed integrally with the tubular case, the output arm extending radially outward from an outer peripheral surface of the tubular case and configured to transmit a manipulating force to an outside.

Abstract: A safety chain engaging device for a towing vehicle having a gooseneck hitch attached with a rail of the towing vehicle is shown and described. The safety chain engaging device may include a first bracket configured to be secured with the rail of the towing vehicle, and a second bracket attached with the first bracket, the second bracket including a plate member spaced from the first bracket. The safety chain engaging device may also include at least one safety chain engaging member secured with the plate member, where the safety chain engaging member is configured to be laterally spaced from the rail upon securement of the first bracket with the rail.

Abstract: A propulsion device for a two-wheeled vehicle includes a mechanism for providing traction to a rear wheel for manual advancement of the vehicle and a first epicyclic gear reducer coupled with the mechanism and drivable by a first control device configured for varying the geometric configuration of the first epicyclic gear reducer and thus the gear ratio. A motor for assisting pedalling is interposed between the mechanism for the bottom bracket and the rear wheel and is coupled with a second epicyclic gear reducer, drivable by a second control device configured for varying the geometric configuration of the second epicyclic gear reducer and thus the corresponding gear ratio. The second epicyclic gear reducer is coupled and directly in contact with the rear wheel in order to transmit the movement from the propulsion device thereto.

Abstract: In one aspect, a liquid tank assembly is provided and configured to be mounted to a tractor. The liquid tank assembly includes a first tank configured to contain liquid, a second tank configured to contain liquid, a first support frame coupled to and supporting the first tank, and the first support frame includes a first mounting member configured to mount the first support frame to the tractor. The liquid tank assembly also includes a second support frame coupled to and supporting the second tank. The second support frame includes a second mounting member configured to mount the second support frame to the tractor, and the first support frame is coupled to the second support frame. In one aspect, a liquid tank assembly is provided and configured to be mounted to a tractor having a maximum width. A tank assembly width is no greater than a maximum width of the tractor.

Abstract: A track roller includes a body having a revolved configuration defining an axis of rotation, a radial direction, and a circumferential direction disposed about the axis of rotation. A first axial extremity and a second axial extremity are disposed along the axis of rotation. The body of revolution further includes a first rim portion disposed proximate to the first axial extremity, and a second rim portion disposed proximate to the second axial extremity. An outboard track contact surface is disposed axially proximate to the first rim portion, and an inboard slot is disposed axially proximate to the second rim portion.

Abstract: An electric wheelchair propulsion system for a wheelchair. The propulsion system has a first and a second torque transfer hub rotatably mounted to a respective first and second drive wheel of the wheelchair, and an elongated axle tube arranged between the first and second hubs. First and second motors are arranged within the axle tube extending from opposing ends thereof. First and second drive axles are insertable into bores of the first and second hubs respectively, and are operatively connected to the first and second motors respectively. Means are provided to control the actuation of the motors. Actuation of the motors drives a rotation thereof, transferring a torque to the drive axles. The drive axles in turn transfer a torque to the hubs, thereby rotating the drive wheels.

Abstract: A steering control device which applies an assist torque or a reaction torque to a steering member operated by a driver, includes: a torque loss estimation unit which estimates torque loss; and a correction amount calculation unit which calculates a correction amount according to a rack axial force estimation value calculated based on a roll rate when the torque loss estimation unit estimates the torque loss.

Abstract: The vehicular parallel parking system is a mechanical structure. The vehicular parallel parking system is configured for use with a vehicle. The vehicular parallel parking system rotates the primary sense of direction of the vehicle by 90 degrees such that the vehicle can be driven directly into a parking spot during parallel parking activities. The vehicular parallel parking system incorporates a plurality of suspension structures, and a control circuit into the vehicle. The vehicle further comprises a vehicle engine, a vehicle chassis, and a plurality of wheels. The plurality of suspension structures attach the plurality of wheels to the vehicle chassis. Each of the plurality of suspension structures are rotating structures. The rotation of each of the plurality of suspension structures changes the primary sense of direction.

Abstract: A vehicular trailer assist system includes a camera disposed at a rear portion of a vehicle and having a field of view exterior and at least rearward of the vehicle. At least a portion of a trailer hitched to the vehicle is within the field of view of the camera. A control includes electronic circuitry and associated software, with the electronic circuitry including a processor operable to process image data captured by the camera, with the image data captured by the camera being representative of at least the trailer hitched to the vehicle. The control, responsive to processing of image data captured by the camera, determines at least one deficiency in a hitch connection between the vehicle and the trailer. Responsive to determination of the at least one deficiency, the control alerts a driver of the vehicle of the determined deficiency.

Abstract: A rotary shaft includes a projection protruding from a rotor along an axial direction of the rotary shaft. The projection has an outer peripheral surface provided with teeth engaged with a gear. The rotor has a first portion which is located around the rotary shaft and which is fixed to the rotary shaft. The rotor has a second portion which is located at an end of the rotor, the end facing the projection. The second portion has an inner diameter larger than an inner diameter of the first portion.

Abstract: A steering wheel system includes a steering wheel; selection areas on the steering wheel to select a gear; and a control unit that selects the gear according to the selection area selected.

Abstract: The steering control system of a steer-by-wire vehicle includes a turning angle calculation unit for calculating a target turning angle based on a steering angle of a steering wheel, and a reaction torque calculation unit for calculating a target reaction torque based on a state of the vehicle. When an alert request is issued, the reaction torque calculation unit calculates a basic reaction torque based on the steering angle, calculates an alert reaction torque for notifying a vehicle state, and calculates the target reaction torque obtained by summing the basic reaction torque and the alert reaction torque. In a process of calculating the target turning angle from the steering angle, the turning angle calculation unit calculates the target turning angle by excluding a steering angle or a turning angle corresponding to the alert reaction torque.

Abstract: A rack bar assembly for a rack electric power steering system is provided. The rack bar assembly includes a first rack bar extending axially. The rack bar assembly also includes a second rack bar extending axially, wherein the first rack bar and the second rack bar are spaced a radial distance from each other and oriented parallel to each other.

Abstract: The present invention concerns a novel leg mechanism for quadrupedal locomotion. This design engages a linkage to couple assembly that only requires a single degree of actuation. The topological arrangement of the system produces a foot trajectory that is well-suited for dynamic gaits including trot-running, bounding, and galloping.

Abstract: A speed reducer includes an input rotating body, a base block, a speed reducing mechanism unit and a tubular case. The input rotating body is rotatable when acted upon by power from a drive device. The base block supports the input rotating body rotatably. The speed reducing mechanism unit reduces a speed of rotation of the input rotating body. The tubular case externally covers the speed reducing mechanism unit and the base block. The tubular case is assembled onto the base block such that they are rotatable relative to each other. The speed-reduced rotation from the speed reducing mechanism unit is output from one of the tubular case and the base block. The base block has a fixture flange integrally formed therewith. The flange extends from a radially inner region within the tubular case radially outward beyond an outer peripheral surface of the tubular case.

Abstract: A steering gear system (20) for a steer-by-wire steering device of a motor vehicle. The steering gear system having a housing (22), a spindle (24) and a rotatably mounted spindle nut (5), which is located within the housing (22), and a spindle drive (23) for the axial displacement of the spindle (24) relative to the spindle nut (25). The steering gear system further having a spindle nut (25) which, by way of at least one energy store (40), is supported at least indirectly relative to the housing (22) in the rotational direction about a longitudinal axis (a) of the spindle nut (25), so that the spindle nut (25) can be kept in a zero position or in a range around the zero position and/or turned back to the zero position.

Abstract: The present disclosure relates to a tandem walking beam suspension system which comprises a main walking beam pivotably mounted to the vehicle sub-frame, a first pair of spaced apart and parallel secondary walking beams pivotably mounted about the main walking beam first end, a second pair of spaced apart and parallel secondary walking beams pivotably mounted about the main walking beam second end, a first pair of rollers rotatably mounted in-between and to the first pair of secondary walking beams, and a second pair of rollers rotatably mounted in-between and to the second pair of secondary walking beams, the first and second pairs of rollers being configured to roll along the track when the track-mounted vehicle is in displacement. The system may further comprise a compression device connecting the sub-frame and the main walking beam such as to provide vertical displacement of the main walking beam relatively to the sub-frame.

Abstract: A vehicle body structure includes a front side member, a tow hook, a bumper assembly and a tow hook cover. The tow hook has an attachment end and a hook end. The attachment end is fixedly attached to the front side member and the attachment end extending away from the hook end. The bumper assembly is connected to the front side member and has at least one fascia panel. The tow hook cover is removably attached to the at least one fascia panel. The tow hook cover has an upright wall portion that defines an opening. At least a portion of the hook end of the tow hook extends through the opening such that the attachment end of the tow hook is at least partially concealed by the tow hook cover.

Abstract: A track joint assembly includes a first track chain and a second track chain, and a track pin including a first pin end, a second pin end, and a center section. A track guiding space extends between the first track chain and the second track chain. The center section of the track pin has an enlarged diameter, relative to first and second pin ends, and an outer wear surface exposed to the track guiding space. The outer wear surface may directly contact a rotatable track-engaging element in a ground-engaging track system, such as a sprocket.