Abstract: A shock absorber includes: a damper tube accommodating a piston in a reciprocally movable manner; a suspension spring for urging the damper tube and a piston rod in opposite directions; a first male screw provided on an outer peripheral surface of the damper tube; a first nut screwed into the first male screw so as to enable a spring load of the suspension spring to be adjusted; a second nut screwed into the first male screw so as to enable a position of the first nut in an axial direction of the damper tube to be fixed; a second male screw having a reverse screw configuration to the first male screw and provided on the outer peripheral surface of the damper tube; and a damper head screwed into the second male screw so as to enable the damper head to cover one end portion of the damper tube.

Abstract: An off-road trailer includes a lower frame, a housing positioned on the lower frame, an extendible trailer tongue with a ball hitch receiver, an upper frame positioned above an upper surface of the housing, a rear frame, and at least two wheels. The upper frame and housing may store off-road gear, such as camping accessories. The housing may have one or more retractable platforms that may receive additional gear. Due to the configuration of the lower frame and the wheels, the trailer may be configured to traverse numerous types of terrain due to its lightweight frame and maneuverability.

Abstract: A hitch vibration dampener assembly and method of use thereof including a tow mount member including a base portion with a vibration dampener pad affixed to the back surface such that coupling of the tow mount member by locked engagement of at least one elongated pin successively received through paired side holes disposed in flanges of a hitch platform channel compresses a vibration dampener material upon the back panel of the hitch platform to thereby reduce the movement between the tow mount member and hitch assembly.

Abstract: A wheel suspension system is disclosed. The wheel suspension system may include a suspension assembly that may include a sub-frame adapted to be connected to a reference frame of a vehicle, a wheel interface adapted to rotatably support a wheel of the vehicle and to define a wheel rotation axis and a wheel rotation plane, and one or more linking units. Components of the linking unit(s) may be pivotally connected to each other, to sub-frame and to the wheel interface using pivoting connection that may cause components of the linking unit(s) to rotate about axes that are substantially perpendicular to the wheel rotation axis. The components of the linking unit(s) may be dimensioned, and positions of the pivoting connections may be set to cause a substantially linear motion of the wheel interface along a reference wheel interface motion axis that is perpendicular to the wheel rotation axis.

Abstract: A crank assembly for a bicycle includes a crank axle rotatably mounted to a frame of the bicycle, and a carrier shaft slidably mounted on the crank axle and configured to slide in a direction substantially parallel to a central longitudinal axis of the crank axle and relative to the crank axle. The crank assembly also includes an elliptical sprocket mounted on the carrier shaft. The elliptical sprocket rotates to move the bicycle in response to a rotation of the crank axle. A start time of a power stroke of the elliptical sprocket is changed by sliding the carrier shaft relative to the crank axle.

Abstract: A coupler lock device is configured for use with a self-latching trailer coupler securing a hitch ball in the coupler socket. The coupler lock device has a housing that includes a top panel portion defining a cavity configured so that, when the housing is secured in position over the trailer coupler, the housing top panel prevents seating of the hitch ball in the coupler socket by restricting upward movement of the release lever when an attempt is made to insert the hitch ball into the coupler socket. Also, when the housing is secured in position over the trailer coupler with a hitch ball seated in the coupler socket, the housing top panel prevents removal of the coupler socket from the hitch ball by restricting upward movement of the release lever that would otherwise release the coupler socket from the hitch ball.

Abstract: A standard component of a vehicle equippable with a plurality of wheels or a plurality of track systems for engaging the ground, such as an axle housing or a frame of the vehicle, comprises a connector dedicated to connecting a given one of the track systems to the vehicle and provided during original manufacturing of the standard component of the vehicle. This may facilitate installation of the track systems on the vehicle.

Abstract: An improved trailer chassis assembly primarily constructed from extruded components including an extruded chassis rail component, a cross member component and a connector component. The component has a wall surface defining an interior channel and an opening in the wall surface extending through the wall surface to the interior channel. The connector component has a first region adapted to engage with the interior space of the chassis rail component, and a second region adapted to engage with the cross member component. The interior space of the chassis rail component is adapted to capture movement of the first region of the connector component in vertical and horizontal planes, and yields movement in the axial plane.

Abstract: An apparatus for moving an object across a ground surface may include a platform having an upper surface for positioning the object on, and a perimeter. The apparatus may also include a plurality of lift assemblies configured to selectively raise the platform off of the ground surface and permit the apparatus to move across the ground surface with the object carried on the platform. The plurality of lift assemblies may be located along the perimeter of the platform, and each of the lift assemblies may have a deployed condition and a retracted condition. The deployed condition may be characterized by the lift assembly facilitating movement of the platform across the ground surface.

Abstract: A mobile sensor device for a vehicle combination with a tractor and a trailer, in particular a semitrailer train with a semitrailer tractor and a semitrailer includes a recording device for recording information, a transmission device for transmitting the information to a central device, and a connection area for detachably coupling the mobile sensor device to the trailer, in particular the semitrailer.

Abstract: In a steering device of the present invention, an electric motor rotates a steering shaft through a reduction mechanism, and the reduction mechanism and a torque sensor are accommodated in an integrally-structured housing. With this, the present invention can provide a steering device that is capable of suppressing increase in size of the electric motor.

Abstract: A system for transporting persons with reduced mobility includes a chassis having two lateral cross members, a device for connecting to an IV pole including a rod and a wheeled support attached to an end of the rod, the connection device including an attachment support fixed to the chassis, a coupling element designed to be solidly fixed to the rod, a member for connecting the coupling element to the attachment support, a lateral stop attached to at least one of the cross members, the lateral stop being built and arranged to brace the wheeled support in relation to the chassis and to position the IV pole laterally in relation to the transportation system.

Abstract: A bionic robot is provided, which includes a body; a plurality of sets of wheeled leg devices arranged at intervals in a front-rear direction, each comprising two wheeled leg devices arranged symmetrically in a left-right direction, each comprising a leg assembly and a travel wheel, and a power output shaft connected to the travel wheel; and a suspension device disposed in the body and connected to at least two sets from the plurality of sets of wheeled leg devices. The at least two sets of wheeled leg devices are located at the foremost end and the backmost end respectively. The suspension device comprises a plurality of drive assemblies, each connected to a corresponding leg assembly, which each comprise: an electric cylinder being configured to drive a telescopic rod to extend or retract; a damper connected between the body and the leg assembly; and an elastic member fitted over the damper.

Abstract: An adjustable trailer hitch and king pin assembly that may be moved longitudinally to adjust the position and weight distribution of a trailer relative to a truck. The disclosed assembly may allow a trailer to be utilized with various different sized and configured trucks while maximizing the cargo carrying capability and efficiency thereof. In one example, an adjustable trailer hitch is provided having a slidable king pin assembly that may be adjusted forwards or backwards to move the king pin to the desired location relative to the truck and trailer. In another example, a removable king pin may be provided that may be removed and moved to a different location according to the weight and desired weight distribution of a truck and trailer combination.

Abstract: The present invention relates to a trailer dampening system for dampening during variable road conditions experienced during long hours of travel. Secondly, the trailer dampening system encompasses a universal design that will allow for easy installation and application to multiple trailers. The trailer dampening system is provided having a barrel assembly joined to the trailer, a cylinder rod assembly adjoined to the barrel assembly by a connection assembly wherein a connection assembly first opening is configured to receive a coupler end cap proximal end of the cylinder rod assembly. In some embodiments, there is a reservoir system having a main reservoir, a valve assembly, and at least one connection line. In some embodiments, the trailer dampening system further comprises an electrical control system connected to the valve assembly and having an input device configured to receive an input, a battery, a plurality of sensors, and a microcontroller.

Abstract: An automated order fulfillment system and mobile robot are disclosed, where the mobile robot includes a compliant drive for moving between levels of a multilevel storage structure.

Abstract: According to an aspect of the disclosed embodiments, an apparatus for a vehicle includes a locking plate configured to be coupled to a first shaft of a suspension rod. A housing is configured to be coupled to a second shaft of the suspension rod that moves relative to the first shaft. The housing extends along a first longitudinal axis. A pin is configured to rotate about a second longitudinal axis. A locking mechanism is configured to lock the pin in starting position.

Abstract: A connecting system and a method for connecting a towing vehicle to a semitrailer includes a first plug unit configured to be fixed to a rotor of a semitrailer unit rotatably mounted on the semitrailer unit about an axis of rotation and having a first coupling portion, and a second plug unit having at least one mounting portion configured to be attached to a coupling plate of a commercial vehicle and a second coupling portion, wherein the first and second coupling portions are configured to be coupled together along a coupling axis such that the coupling axis is substantially parallel to the axis of rotation and spaced from the axis of rotation, and such that the first coupling portion is displaceable relative to the rotor and/or the second coupling portion is displaceable relative to the mounting portion along the coupling axis to engage or disengage the respective opposite coupling portion.

Abstract: An electric vehicle that comprises a vehicle main body, a driving apparatus that includes a motor unit which includes a motor and a reduction gear which is attached to the motor unit, and a travel unit configured to drive by a driving force of the driving apparatus. The travel unit includes a plurality of wheels that at least includes a front wheel arranged on the side of a front end portion of the vehicle main body and a rear wheel arranged on the side of a rear end portion of the vehicle main body, and a crawler belt wound around the front wheel and the rear wheel.

Abstract: A modular slave vehicle articulatable at one end thereof to another slave vehicle and at another end thereof to an independently driven master vehicle, simultaneously. The slave vehicle comprising a body including a driving system; a structural frame supporting said body; a master coupling system in the form of a mechanical stress absorbing coupling mechanism; at least one first slave coupling device; at least one second slave coupling device; said first and second coupling devices, when mounted to two adjacent slave vehicles intended to be articulated to each other, are detachably connectable to each other to form a tandem coupling configured to constrain all DOF therebetween.