Abstract: An autonomous transport robot for transporting a payload is provided and includes a frame with an integral payload support, a transfer arm connected to the frame for autonomous transfer of payload to and from the frame, and a drive section with at least a pair of traction drive wheels astride the drive section, the drive section being connected to the frame. The at least the pair of traction drive wheels have a fully independent suspension coupling each traction drive wheel of the at least the pair of traction drive wheels to the frame, with at least one intervening pivot link between at least one traction drive wheel and the frame configured to maintain a substantially steady state traction contact patch between the at least one traction drive wheel and a rolling surface over rolling surface transients throughout traverse of the at least one traction drive wheel over the rolling surface.

Abstract: A method of operating a construction machine that includes a base, support arms each pivotally coupled to the base, and a plurality of wheel assemblies each coupled to the one of the support arms, the method including, in a transport mode of the construction machine, turning a wheel of each of the wheel assemblies, independently from a wheel of another of the wheel assemblies, to a toe out orientation. The method also includes driving each support arm to a deployed condition of the support arm in an operational mode of the construction machine. Driving each support arm to the deployed condition causes the distal ends of each of the support arms to move away from one another and outwardly from the base. The method also includes locking each support arm in the deployed condition and controlling steering of each wheel in the operational mode of the construction machine.

Abstract: A lawn mower includes a housing (1), a traveling wheel for supporting the lawn mower (100), a self-propelled motor for driving the traveling wheel, and a control circuit board (5) for controlling turning-on and turning-off of the self-propelled motor. The traveling wheel includes a pair of front traveling wheels (31) and a pair of rear traveling wheels (32), and the self-propelled motor includes a first self-propelled motor (41) and a second self-propelled motor (42). The lawn mower further includes a first control element and a second control element, the first control element is configured to control the control circuit board to turn-on or turn-off the first self-propelled motor, and the second control element is configured to control the control circuit board to turn-on or turn-off the second self-propelled motor. The lawn mower can be driven in two-wheel drive or four-wheel drive as required, which is convenient to operate and maintain.

Abstract: A mechanism for deploying and retracting an adjustable handling wheel from under different types of equipment supported on the floor, or different types of furniture, such as chairs, medical chairs, nursery chairs, examination chairs, bedside tables, beds without chassis, cabinets and others. The mechanism enables very easy handling and movement of the equipment or furniture from one place to another place.

Abstract: A suspension assembly for a vehicle may have a first end for pivotal mounting to a structural member of the vehicle and a second end opposite the first end for attachment of a damping arrangement and a stub axle. The suspension assembly may include first and second shell components that are welded together to form a substantially hollow body between the first and second ends.

Abstract: A lawn mower includes a blade housing and a height adjusting mechanism for adjusting a height of the blade housing with respect to the associated ground. The height adjusting mechanism includes rear wheel support members for supporting rear drive wheels. Each rear drive wheel includes a cover having an exterior cover part and an interior cover part. The interior cover part is directly connected to one of the support members without the use of separate associated mechanical fasteners.

Abstract: A mower deck leveling linkage includes an eccentric leveling plate connecting between upper and lower linkages. The eccentric leveling plate pivots on an off-center axis to change the length of the linkage and level the mower deck.

Abstract: An electric scooter includes: an upper plate member including two roll tubes and a shaft tube pivotally connected to a standing tube and inserted into the roll tubes, the standing tube having a hooking part and a connection part disposed between the roll tubes and inserted by the shaft tube; a lower plate member including a pressing part positioning with the hooking part; two frames pivotally connected between the upper and lower plate members through bolts, each opened frame including a clip tightly covering the standing tube; a stopper disposed between the upper and lower plate members and positioning the closed frames; and a pivotal connection seat including two frame fitting members covering the tapered portions and having a quick release member, a tapered seat base having a top part combined with a cover frame of the seat cushion provided with a quick release member fixed to a positioning hole.

Abstract: Agricultural vehicle (V) includes an operator's seat (S), a vehicular structure (C), a wheel support arrangement (100), a front bumper assembly (200), a position and draft control mechanism (30), a brake pedal linkage mechanism (500), a steering mechanism (600) and an exhaust device (700). The operator's seat S is configured to be provided in the vehicle (V) at at least one of a first seating position (Sf) corresponding to a first driving position, and a second seating position (Sr) corresponding to a second driving position, where the second seating position (Sr) is opposite to the first seating position (Sf). The vehicular structure (C) is configured to be moved between at least one lowered position in which each final drive housing (FH) is locked to vehicular structure (C) at corresponding first locking positions, and at least one raised position in which each final drive housing (FH) is locked to vehicular structure (C) at corresponding second locking positions.

Abstract: A pallet structure includes at least one bottom plate and at least one air bag. The at least one bottom plate is disposed on a bottom side of the cabinet for supporting the cabinet. The at least one air bag is detachably installed on a bottom side of the at least one bottom plate. The at least one air bag is inflated to prop the at least one bottom plate against the cabinet upwardly until at least one supporting component of the cabinet leaves away from a supporting surface, so as to effectively absorb a shock load during transportation of the cabinet.

Abstract: A transport device for lifting an automated guided vehicle (AGV) from a floor surface includes a first frame including a plurality of first frame members and a plurality of wheels coupled to the plurality of first frame members, wherein the plurality of wheels are configured to contact the floor surface. The transport device also includes a second frame including a plurality of second frame members, wherein the second frame is configured to mechanically engage the AGV. The transport device further includes a lifting system configured to move the second frame and the AGV with respect to the first frame between a first position where the AGV contacts the floor surface and a second position where the AGV is spaced from the floor surface.

Abstract: An auxiliary wheel assembly mounted on a selected portion of a wheelbarrow comprising: several structural members namely a urethane receptacle barrow, a front support and dual swivel wheel assembly, a dual rear support and wheel assembly with a plurality of heavy duty wheels, and a manner to connect these front and rear assemblies and barrow. The various component members are potentially made of various materials and are designed for original equipment offerings or aftermarket additions to currently produced wheel barrows.

Abstract: A baby stroller is provided, which includes a front wheel assembly, rear wheel assembly and a folding assembly. The folding assembly includes two lateral folding holders; each includes an upper-front fence tube, lower-front fence tube, upper-back fence tube, lower-back fence tube and a middle holder. The middle holder includes an upper folding joint, lower folding joint and a support stand rod disposed therebetween. The front ends of the upper-front and lower-front fence tubes are pivotally connected to a front wheel holder respectively. The rear ends of the upper-front and lower-front fence tubes are pivotally connected to the front ends of the upper and lower folding joints. The rear ends of the upper-back and lower-back fence tubes are pivotally connected to the rear wheel holder respectively. The front ends of the upper-back and lower-back fence tubes are pivotally connected to the rear ends of the upper and lower folding joints.

Abstract: One or more vehicle sensors can be used in a suspension control system of an agricultural machine to dynamically adjust pistons located proximal to wheels of the machine to substantially control orientation. Such vehicle sensors could include: a speed sensor configured to provide an output indicating a speed of the machine; a turn angle sensor configured to provide an output indicating a turn angle of the machine; and/or an Inertial Measurement Unit (IMU) configured to detect a chassis-to-horizon angle. The output can be compared to a threshold for determining when to control valves in the suspension system to apply height corrections.

Abstract: The present disclosure is directed to a wheel height adjustment assembly. The wheel height adjustment assembly includes a mounting bracket, a tapered insert, a drawbar and a wheel connected together. The mounting bracket has a first end, a second end and a sidewall. A tapered opening is formed in the sidewall of the mounting bracket for receiving the tapered insert. The tapered insert has a first end, a second end a body portion positioned between the first end and the second end. The first end and the second end are provided with threaded openings. The openings are offset from one another.

Abstract: In one embodiment, an intermodal container comprises a metal box, and left and right wheel assemblies. The box includes a front wall, a rear door opposite the front wall along a longitudinal direction, first and second sidewalls that oppose one another along a lateral direction, a top wall, a bottom wall that opposes the top wall along a vertical direction, and a structural frame. The left and right wheel assemblies are spaced from one another along the lateral direction. Each one of the wheel assemblies includes an axle and at least one tire mounted on the axle. The wheel assemblies are movable between an extended position in which the tires extend below the first and second sidewalls in the vertical direction so as to be engageable with a ground surface, and a retracted position in which the first and second sidewalls extend below the tires along the vertical direction.

Abstract: Various embodiments herein relate to powered pusher devices configured to push wheeled objects from one location to another. Further embodiments relate to wheeled objects such as carts for transporting items from one location to another. Other embodiments relate to platform powered pushers that can be coupled to a family of various wheeled objects.

Abstract: A portable towing system for a motorcycle or similar vehicle, such as a trike, the frame of which can be lowered to ground level to facilitate loading of the motorcycle or similar vehicle by pushing or riding the vehicle onto the frame without risk of the vehicle falling off the sides of a steeply inclined ramp. The towing system may be assembled, raised, lowered, and disassembled by a single person, if desired. The towing system also comprises a cargo box to store the frame when disassembled. The raising and lowering of the frame is effected by a lifting and lowering mechanism connected with the wheel assemblies, and at least three heights of the frame are achieved by rotation of the lifting and lowering mechanism of the wheel assemblies. The cargo box and the frame can use the wheel assemblies interchangeably.

Abstract: A mobile split-seat assembly having a support frame including a base, a first vertical support extending upwardly from the base and a second vertical support extending upwardly from the base. A first pivoting arm assembly includes a first seat portion and is supported by the first vertical support so that the first seat portion is pivotable in a horizontal plane relative to the support frame. A second pivoting arm assembly includes a second seat portion and is supported by the second vertical support so that the second seat portion is pivotable in a horizontal plane relative to the support frame.

Abstract: Embodiments of a conversion kit for a wheelbarrow include a wheelbase and a cross handle. The wheelbase has box frame including a pair of wheels pivotably connected to the frame. The wheelbase mounts to the wheelbarrow handles beneath the wheelbarrow tray. The wheels may be separated by a distance greater than the distance between the pair of handles at the back of the tray. The cross handle mounts to and connects the wheelbarrow handles behind the tray back converting the wheelbarrow into an easily handled cart.

Abstract: A base with retractable wheels is provided for an examination, procedure or surgical table or chair for use in the medical, dental, or veterinary fields that can be easily switched between a stationary state and a mobile state. The base includes fixed wheels on one end and on the other end stationary foot pads and retractable wheels that can be engaged by a lift mechanism that can transfer the weight of the table or chair from the foot pads onto the wheels, allowing the table or chair to be more easily moved.

Abstract: The shopping cart has a foot pedal mechanism to adjust the height of the shopping basket to accommodate different sized users and can lower the cart height automatically with just the push of a button. The shopping basket includes separate detachable smaller bags used for bringing in items from the car. The cart is also designed to be fully collapsible to a height of only six inches and can be easily loaded into the rear trunk space of a car or SUV. The entire basket is also both collapsible and expandable in size and can also be detached from the cart easily and includes at least two carrying handles.

Abstract: The steering assembly is applicable to a human-driven vehicle having a chassis (1) mounted on self-orienting wheels (2). The steering assembly comprises a steering unit (50b) with a steering wheel (4) installed on a mobile support and maintained out of contact with the ground by elastic means at an end (1b) of the chassis (1), and a control unit (50a) with a command member (7) in another end of the chassis. The units are connected by transmission devices (19, 20, 21). The command member (7) is manually operable to lower the steering wheel (4) against the force of said elastic means and to make the steering wheel (4) rotate with respect to a substantially vertical shaft when the wheel (5) is in contact with the ground to steer the vehicle. The elastic means automatically lift the steering wheel (4) when the manual operation of the command member (7) ceases.

Abstract: A container includes a body having base wall and a side wall extending upward from the base wall. The body includes a bracket portion having an elongated slot. An axle extends through the elongated slot. The axle is slidable in the elongated slot between a deployed position and a retracted position. A wheel is connected proximate one end of the axle. A clip secures the axle within the elongated slot.

Abstract: A cart comprising a platform configured to support something being transported. The cart has primary wheels including two or more rows of three or more non-swivelable wheels wherein the lower-most points of the wheels in a row form an arc. The wheels longitudinally span at least a portion of the platform.

Abstract: High centering bases for hospital gurneys are disclosed. An example hospital gurney includes a sensor to detect a position of a foot pedal of the hospital gurney. The example high centering base includes a processor responsive to the sensor to create a movement instruction based on the position of the foot pedal. The example high centering base includes an actuator to move a first wheel based on the movement instruction, the first wheel located between a first end of the hospital gurney and a second end of the hospital gurney.

Abstract: According to one embodiment, a vehicle frame, front wheel which is formed of a universal caster, a pair of rear wheels, and a lift-up wheel which is formed of a universal caster and is provided at a lower portion of the rear end part of the vehicle frame such that the lift-up wheel is capable of being elevated between a ground-contact position and a non-ground-contact position by an elevation mechanism, the lift-up wheel being configured such that the lift-up wheel, together with the front wheel, movably supports the vehicle frame in a lowered state of the lift-up wheel at the ground-contact position.

Abstract: A patient support has caster devices supporting a frame for movement in relation to a supporting surface. A lift supports an auxiliary wheel in relation to the frame. A shaft may be rotatable to drive the lift to move the auxiliary wheel between a deployed position and a retracted position. The shaft may rotate to control deployment and retraction of the auxiliary wheel. A sensor may control deployment and retraction of the auxiliary wheel. An element may provide a dampening effect when the auxiliary wheel encounters a raised surface and urge the auxiliary wheel into contact with the supporting surface when the auxiliary wheel encounters a lowered surface.

Abstract: A system and method for supporting and rotating an axle of an overhead rolling door assembly while replacing a counterbalance spring. A support stand is provided. The support stand is positioned under the overhead door assembly. The overhead door assembly is disassembled enough to expose its main axle. The support stand is adjusted in height to engage the main axle so that the support stand holds the main axle at an elevated position. The broken counterbalance spring is replaced. The main axle is the reinstalled into the overhead door assembly. A pulley wheel is then attached to the main axle. The pulley wheel is turned by winding a cable around the pulley wheel and then unwinding the cable with a winch. This rotates the main axle with the torque needed to properly pre-tension the replacement spring.

Abstract: Pallet truck for transporting goods that has a substantially horizontal frame on which the goods to be transported are placed. In one implementation the horizontal frame includes two substantially parallel arms with each arm having two parallel longitudinal extensions that define a space between them. Each of the two parallel longitudinal extensions has a wall that face each other and which are visible and accessible through the space. The longitudinal extensions being visible and accessible from above for their cleaning.

Abstract: A multi-wheeled base for a mobile cart includes one or more swiveling, optionally locking, caster wheels and one or more non-swiveling traction wheels to improve the maneuverability of the cart by making it easier to steer and stop. The traction wheels may be manually-engaged traction wheels, which may be operated by a cam and lever. The traction wheels may also be automatically-engaged traction wheels operated by a motor and a threaded shaft, and activated by a motion-sensitive sensor or by an on/off electrical switch or button. The traction wheels are preferably in contact with the floor when the mobile cart is moving, and raised above the surface of the floor when the cart is stationary.

Abstract: A seated vehicle comprises a frame, one or more first wheels at a first position relative to the frame, one or more second wheels at a second position relative to the frame, and a wheel-positioning system. The wheel-positioning system includes one or more arms pivotally coupled to the frame, and an adjustment mechanism operatively coupled to a first position of the one or more arms. The one or more first wheels are operatively coupled to a second position of the one or more arms. The adjustment mechanism moves the one or more arms between a first position and a second position so that the one or more first wheels are in a first position relative to the one or more second wheels when the one or more arms are in the first position and are in a second position relative to the one or more second wheels when the one or more arms are in the second position.

Abstract: This application discloses a number of fold flat, collapsible, stowable wheel assemblies for wheeled carriers including but not limited to strollers, jogging strollers, flat carts, dollies, trolleys, wagons and carts. The application discloses novel methods to selectively fixate the wheel/tire position, to stow and fold flat, fixed, swivel and caster wheels so that the wheels/tires fold flat and generally parallel with the floor/base/frame of the device providing for a thin stowed profile. Also, one innovation provides for a flat cart and all wheels fold flat to the underside and side elevational profile of the carrier device. Other innovations relate to methods to manufacture and provide for fold flat caster or swivel wheels. One embodiment provides for a baby jogging stroller forward wheel/tire that is a selectively fixed, or becomes a swivel wheel, which quickly and easily may be folded flat along the jogger frame, without removing the wheel.

Abstract: A container includes a body having base wall and a side wall extending upward from the base wall. The body includes a bracket portion having an elongated slot. An axle extends through the elongated slot. The axle is slidable in the elongated slot between a deployed position and a retracted position. A wheel is connected proximate one end of the axle. A clip secures the axle within the elongated slot.

Abstract: A sulky includes a frame having a cross-member and a pair of shafts spaced from each other and extending from the cross-member forwardly along an axis. A first wheel support and a second wheel support each rotatably extend downwardly from the frame and each engage wheels, respectively. Each of the first and second wheel supports includes an adjustment feature defining a plurality of adjustment positions. The wheels are engaged with the first and second wheel supports, respectively, and are independently adjustable relative to the first and second wheel supports, respectively, to any of the adjustment positions. The plurality of adjustment positions of the first and second wheel supports are located along lines generally extending rearwardly along the axis and upwardly relative to the axis.

Abstract: According to one embodiment, a vehicle frame, front wheel which is formed of a universal caster, a pair of rear wheels, and a lift-up wheel which is formed of a universal caster and is provided at a lower portion of the rear end part of the vehicle frame such that the lift-up wheel is capable of being elevated between a ground-contact position and a non-ground-contact position by an elevation mechanism, the lift-up wheel being configured such that the lift-up wheel, together with the front wheel, movably supports the vehicle frame in a lowered state of the lift-up wheel at the ground-contact position.

Abstract: A vehicle (10) comprising a vehicle body, a suspension system coupled to the vehicle body, and a plurality of wheels (16) coupled to the suspension system comprising at least one pair of wheels, each wheel of the at least one pair of wheels being located on opposite sides of the vehicle. The suspension system comprises a changeable wheel track width for the at least one pair of wheels and the wheel track width is changeable between a narrow wheel track width setting (12) and a wide wheel track width setting (14) by pivoting a suspension link (18) about a vertical axis.

Abstract: The present invention relates to a half axle articulated on a structural element of a vehicle, comprising a wheel rotatably movable around an axis of rotation relative to a shaft the structural element defining a reference plane substantially parallel to the ground when the wheel rests on the ground, also comprising a pivot system for pivoting relative to the structural element around a pivot axis the half axle also comprises an actuating system including means for translating the wheel along a hoisting axis permanently tilted by an incline angle comprised between 60 degrees and 90 degrees, relative to the reference plane. The invention also relates to a vehicle, equipped with a chassis comprising at least one structural element also equipped with at least one half.

Abstract: A package (1) including a box-like container (3) provided with a wall portion (5) carrying a wheel assembly (9) comprising a wheel (11). The wheel assembly (9) has an inactive position located inside the container (3) and an active position located outside the container. The wheel assembly is movably secured to the wall portion for moving from the inactive position to the active position. Due to the applied wheel assembly arrangement a user-friendly package is obtained.

Abstract: An apparatus, system and method for handling and translating a spent nuclear fuel storage cask. The apparatus comprises a body for supporting the cask close to the ground so that the cask and the apparatus can pass underneath over head doors. The apparatus further comprises rollers for translating the cask, the rollers adapted to move between a retracted position and an extended position, wherein when the rollers are in the retracted position, the rollers do not contact a ground surface. The apparatus additionally supports the storage cask during spent nuclear fuel transfer procedures.

Abstract: An adaptable mobility aid device is disclosed that has length-adjustable front and rear legs, a handle, and a knee support platform coupled to the legs and the handle, the legs being adjustable within a range of lengths suitable to straddle steps for ascending and descending stairways, as well as to function on the level, or on a ramp. The lengths of the legs can be adjusted in tandem via single-hand operability of an adjustment mechanism. The knee support platform provides support for an impaired lower leg of a user, not requiring the leg to contact the stairs, and also not requiring the leg to be held mid-air in a hopping motion. The handle enables one-handed use of the adaptable mobility aid device. In some embodiments, spring loaded pins or a pull bar to activate the pins, enable the single-hand operability of the adjustment mechanism.

Abstract: A cargo container system is provided having selectively deployable support and wheel assemblies. The support and wheel assemblies are capable of being stowed within a recess formed in the underside of the cargo container system during storage or shipment of the cargo container system (e.g., by ship, rail, and/or the like). At an appropriate time (e.g., the cargo container system is about to placed onto the ground by a crane), the support and wheel assemblies are then selectively deployed downwardly and/or outwardly from the recess of the underside of the cargo container system to provide a fully functional cargo container system/trailer combination that is immediately capable of being engaged to a truck/tractor and driven away. The deployment system can include a screw system that, when rotated in a first direction is operable to raise the support and wheel assemblies and then, when rotated in a second direction is capable of lowering the support and wheel assemblies.

Abstract: Vehicle for carriage of children, comprising a frame and at least two wheels which are attached to the frame. The vehicle can be transformed between at least a first configuration as pushable buggy and a second configuration for use as a towed trailer, and in both first and second configurations provides room for at least one child. The vehicle can be transformed between the first and second configuration by adjusting the width of the frame and location of the center of gravity.

Abstract: A guiding wheel assembly, mainly for a hospital bed, including a wheel (1) with a horizontal rotation axis (6) installed on an arm (7) that is fixed to the frame (5) with the use of an axis (4) allowing swinging in the vertical plane. The wheel (1) is firmly fixed in the straight direction. The arm (7) is provided with a track (3), against which a pressing element (8) leans. The pressing element (8) is fixed with a pin (9) to the frame (5) in a swinging way.

Abstract: A bearing includes an inner race member having an end surface. An outer race member is disposed about the inner race member. The outer race member has an internal shoulder for engaging the end surface of the inner race member. The inner and outer race members are configured to define a raceway between them and to define a snap ring seat between them. There are cylindrical rollers in the raceway and a snap ring in the snap ring seat. The bearing may be provided as a follower head on a cam follower or may be eccentrically mounted on a drive shaft to serve as a cam. A cargo dolly may include such a cam near a wheel, to help the wheel overcome an obstacle. A bearing can be assembled by inserting the inner race member into the outer race member, disposing cylindrical rollers in the raceway and disposing a snap ring in the snap ring seat.

Abstract: A portable anchorage assembly comprises an extension member interconnecting a counterweight assembly and a base. The counterweight assembly has a cavity configured and arranged to receive at least one weight. The extension member has a first end and a second end. The first end is pivotally connected to the counterweight assembly. The base is connected to the second end of the extension member and includes a wheel and at least one anchorage point. The base is pivotable about the counterweight assembly on the wheel to position the at least one anchorage point in a desired location.

Abstract: A diver's station and umbilical cart neatly stores the umbilical cord and other various items used in hookah diving and has a frame made from various bars of aluminum stock. A set of wheels is pivotally attached to one end of the frame while a handle is attached to an opposing end. A seat is telescoping attached to the frame proximate the wheels. A first set of legs extends upwardly from the frame proximate the handle and has a first tray there atop, while a second set of legs extends upwardly from the frame between the first legs and the seat and has a second tray there atop. A telescoping post extends upwardly from the frame and passes through the second tray, the post having a T-brace there atop.

Abstract: An improved shopping cart having retractable legs is provided that allows the cart to be loaded into a vehicle while contents remain in the shopping cart basket.

Abstract: An adaptable mobility aid device is disclosed that has length-adjustable front and rear legs, a handle, and a knee support platform coupled to the legs and the handle, the legs being adjustable within a range of lengths suitable to straddle steps for ascending and descending stairways, as well as to function on the level, or on a ramp. The lengths of the legs can be adjusted in tandem via single-hand operability of an adjustment mechanism. The knee support platform provides support for an impaired lower leg of a user, not requiring the leg to contact the stairs, and also not requiring the leg to be held mid-air in a hopping motion. The handle enables one-handed use of the adaptable mobility aid device. In some embodiments, spring loaded pins or a pull bar to activate the pins, enable the single-hand operability of the adjustment mechanism.

Abstract: Lever and wheel attachment device (1) for a chair with a pair of front legs (X, Y) comprising: a) a pair of lever arms (10, 20) each having first and second ends, (10A, 10B: 20A, 20B), with the second ends (10B, 20B) being joined together, b) a foot pedal (40) at the second ends, c) a chair leg engaging member (14, 24) at each first end, d) a ground engaging wheel (15, 25) between the first and the second ends of each lever arm, each wheel (15, 25) providing a pivot point about its axis for each lever arm, in use the device (1) engages the pair of front legs and raises them off the ground, the chair is movable forward with the rear legs remaining on the ground, and the weight of the chair and a person is taken at least in part on the wheels.