Abstract: A massage device includes a shell configured to be inserted into the human body, a driving assembly supported by the shell, and a massage member. The shell defines a moving space therein, and the moving space communicates with an external environment out of the shell. The driving assembly includes a driving wheel and a driven wheel cooperating with the driving wheel. The massage member at least partly extends into the moving space of the shell, and is shaped as an annular belt and mounted around the driving wheel and the driven wheel. The driving wheel engages with the massage member to drive the massage member to rotate, generating a kneading stimulation effect on the human body.

Abstract: A garden tool has a controllable travel drive system, wherein the travel drive system is designed to propel the garden tool, and a speed control device, wherein the speed control device has a user-operable operating element and a displacement sensor device. At least one sensor part of the displacement sensor device is supported so as to be movable in translation. The operating element is designed by its operation to displace at least the sensor part in translation. A sensor signal of the displacement sensor device is dependent on a translational position of at least the sensor part. The speed control device is designed for controlling the travel drive system for the variable setting of a travel speed of the garden tool in accordance with the sensor signal.

Abstract: A powered wagon for carrying items on sand for a user that has a foldable frame assembly and foldable, fabric container assembly with an open top portion. The wagon includes a front two-wheel frame assembly and back two-wheel frame assembly, with the back two-wheel frame assembly being inwardly and outwardly slidable along a back support bar and designed to nest between the front two-wheel frame assembly when the foldable frame assembly is retracted. A handle and telescoping bar assembly is pivotally coupled substantially to a housing assembly on the bottom frame portion, a handle portion defining the proximal bar end. A motor and shaft assembly in the housing assembly is electrically coupled to a rechargeable battery assembly, an actuator assembly, and electronic controls which are communicatively coupled to a hand-held communication or smart device.

Abstract: Various powered mobility systems, such as scooters and wheeled boards, are disclosed. The powered mobility system can be a drive assembly, which can include a motor, transmission assembly, driving wheel, and power supply. The drive assembly can be detachable from the rest of the personal mobility vehicle.

Abstract: The present invention relates to an automated guide vehicle (10) for transporting objects (38) comprising a support structure (12) with an outer contour (14), a chassis (16) fastened to the support structure (12) having at least one first wheel (18) and one second wheel (20), wherein the first wheel (18) and the second wheel (20) are respectively rotatably mounted in the chassis (16) about a first axis of rotation (D1) and a second axis of rotation (D2), a drive unit (22), with which the first wheel (18) and the second wheel (20) can be driven independently from one another, a lifting mechanism (32) cooperating with the support structure (12) for lifting and lowering at least one support portion (39) which cooperates therewith to transport the objects, and a store (70) for electrical energy, which in plan view protrudes in portions beyond the outer contour (14) of the support structure (12), wherein the energy store (70) is movably fastened to the support structure (12).

Abstract: The present invention relates to a trailer drive unit in the form of a caravan mover comprising a motor 16 (drive means/drive device), a head 14 housing a roller 20 which are linked together by a gear mechanism 22. Specifically, the present invention provides a support and drive transmission system 22 located centrally on the roller 20 with the roller 20 being provided by a first lateral portion/roller 19 and a second lateral portion/roller 21. In this arrangement, the length of the lateral roller 10 portions 19, 21 are individually shorter than a single roller such that the torque created in the central drive transmission portion is significantly less.

Abstract: A charging system for a medical facility includes a patient support apparatus that has a base frame, an upper frame, a wheel to engage a floor surface, and a controller. A rechargeable battery is operably coupled to the base frame. The controller is configured to communicate with the rechargeable battery. A transmitting assembly is coupled to at least one of a wall surface and the floor surface of said medical facility. A receiving assembly is operably coupled to the base frame adjacent to the wheel. The receiving assembly is in communication with the rechargeable battery. The receiving assembly and the transmitting assembly selectively communicate to charge the rechargeable battery. An alert feature is in communication with the controller of the patient support apparatus. The alert feature is configured to emit an alarm when the controller indicates the rechargeable battery is at or below a predetermined charge level.

Abstract: A method includes moving a stabilization device comprising a stabilization surface relative to a base of a surgical cart, wherein the moving comprises moving the stabilization device from a retracted position in which the stabilization surface is spaced from the ground surface to a deployed position in which the stabilization surface is in contact with the ground surface, and wherein the moving comprises overcoming a biasing force biasing the stabilization device toward the retracted position.

Abstract: A hand-driven wheeled cart or suitcase, including: a body section of the cart or suitcase including a back side, a top side, a bottom side and a front side; a handle coupled to the body section; two wheels coupled to the bottom side of the body section, adjacent the back side of the body section; and a motor housed in one of the two wheels, the motor being actuated by a button on the handle.

Abstract: A walk-behind self-propelled working machine includes a main body, an operation switch, and a handle device. The main body includes a moving assembly and a drive motor. The operation switch is connected to the drive motor. The handle device is connected to the main body and includes an operation member, a connecting rod, and a sensing device. The operation member includes a gripping portion for a user to hold. The connecting rod is connected to the main body. The sensing device is configured to sense a thrust that is applied to the handle device to drive the walk-behind self-propelled working machine and further includes a pressure sensor and a pressing member. When the gripping portion receives the thrust, the pressing member applies a force along a preset straight line to the pressure sensor to drive the pressure sensor to deform.

Abstract: The present disclosure provides a motorized beach cart for transporting beach necessities. The motorized beach cart includes a collapsible frame and a handle is hingedly connected to the collapsible frame. The motorized beach cart includes a battery electrically wired to an electric motor disposed within a protective casing, and at least a first USB port is provided within an exterior wall of the protective casing. A drive assembly is disclosed which is adapted to removably connect to a back end of a beach cart.

Abstract: A patient support apparatus supports a patient for movement assisted by first and second caregivers and includes a litter. The litter includes a patient support deck extending between first and second ends and defines at least one cavity. First and second evacuation interfaces are coupled to the litter. The first and second evacuation interfaces pivot between first and second unfolded positions and first and second upright positions, respectively, and move between first and second lengthened positions and first and second shortened positions, respectively. The first and second evacuation interfaces are disposed in the cavity when the first and second evacuation interfaces are in the first and second unfolded positions and the first and second shortened positions, respectively, and configured to be grasped and lifted by the first and second caregivers when the first and second evacuation interfaces are in the first and second upright positions, respectively.

Abstract: A dust remover for a vacuum cleaner, in which dust adhering to a plurality of filters having a cylindrical shape for filtering dust introduced into the vacuum cleaner is removed by repeatedly hitting an inner wall of each of the plurality of filters through rotation of a motor, includes a filter support plate having a plate shape; a plurality of filters arranged spaced apart from each other at regular intervals below the filter support plate in a circumferential direction; a hitting module rotatably provided on the filter support plate to extend to an inner space of each of the filters and configured to hit an inner surface of each of the filters; and a pressure control damper rotatably provided on the filter support plate and configured to optionally open/close a suction pressure of each of the filters.

Abstract: A patient transport apparatus transports a patient over a floor surface. The patient transport apparatus comprises a support structure and support wheels coupled to the support structure. An auxiliary wheel is coupled to the support frame to influence motion of the patient transport apparatus over a floor surface. The auxiliary wheel is movable to a deployed position with the auxiliary wheel engaging the floor surface and a stowed position with the auxiliary wheel spaced a distance from the floor surface. An actuator assembly including a lift actuator a biasing device, and a biasing load adjustment assembly. The lift actuator is operable to move the auxiliary wheel to the deployed position and to the stowed position. The biasing device configured to bias the auxiliary wheel towards the deployed position. The biasing load adjustment assembly configured to adjust a biasing force being applied by the biasing device to the auxiliary wheel.

Abstract: A system and method for operation of an autonomous vehicle (AV) yard truck is provided. A processor facilitates autonomous movement of the AV yard truck, and connection to and disconnection from trailers. A plurality of sensors are interconnected with the processor that sense terrain/objects and assist in automatically connecting/disconnecting trailers. A server, interconnected, wirelessly with the processor, that tracks movement of the truck around and determines locations for trailer connection and disconnection. A door station unlatches/opens rear doors of the trailer when adjacent thereto, securing them in an opened position via clamps, etc. The system computes a height of the trailer, and/or if landing gear of the trailer is on the ground and interoperates with the fifth wheel to change height, and whether docking is safe, allowing a user to take manual control, and optimum charge time(s). Reversing sensors/safety, automated chocking, and intermodal container organization are also provided.

Abstract: Robotic devices are provided that can be operated in an autonomous mode. In various embodiments, the devices comprise lighting elements that are capable of displaying information to humans within a robotic environment. A variety of future and near-future actions are expressed through different operations and sequences of the lighting elements. The lighting elements further enable the device to express a current status.

Abstract: A surgical robot includes a robotic arm, a cart supporting the robotic arm and including a steering assembly. The steering assembly comprises wheels and a handle. The handle is moveable to a first position, a second position, and a third position. The steering assembly is configured such that the wheels allow the cart to roll in a longitudinal direction when the handle is in the first position, the wheels allow the cart to be roll a rotational direction when the handle is in the second position, and the wheels allow the cart to roll in a lateral direction when the handle is in the third position.

Abstract: A handle assembly for a cart with a power assist function can sense the direction that a user's force is applied, and provide assist power in the corresponding direction, such that the user can easily move the cart. A cart including the handle assembly allows the user to conveniently move the cart.

Abstract: The present invention relates to a drive unit in the form of a caravan mover (10) comprising a motor (12) (drive means) and a head (14) which are linked together by a gear mechanism (16). The head (14) provides a roller (15) which is rotatably mounted on a shaft. The roller (15) is arranged, in use, to be urged or pressed against the tread portion (surface) of a tyre. The drive unit is controlled by a control unit (ECU) which controls the movement of the driven roller (15) between the disengaged position and the engaged position and also controls the rotation (and direction) of the driven roller (15). The caravan mover (10) of the present invention includes an integral power supply such that the unit comprises a single integral system which is easily installed on the caravan and does not require the routing of cables from a remote power supply.

Abstract: A handle assembly for a cart with a power assist function can sense the direction that a user's force is applied, and provide assist power in the corresponding direction, such that the user can easily move the cart. A cart including the handle assembly allows the user to conveniently move the cart.

Abstract: There exists a limitation while designing tugger device with latching area for gaining a specific orientation of a powered vehicle and orientation of unpowered trailers. This disclosure relates generally to an automated carrier tugger mounted on an autonomous mobile robot (AMR) for tugging a carrier. The automated carrier tugger includes a rotary joint unit, a swivel adaptor unit, and a tugging unit for clamping a horizontal bar. The rotary joint unit includes a vertical fixed shaft and plurality of integral pipes are integrated with a pipe mounting plate at one end. The swivel adaptor unit include the pipe mounting plate mounted onto the plurality of integral pipes and a male spherical joint integrated with a swivel adaptor plate. The tugging unit includes a single rear clamp and a plurality of front clamps with a plurality of flanges mounted onto a plurality of horizontal axis slides to move at required direction.

Abstract: An apparatus a and method for networked transportation of patients or people with impaired mobility in a hospital bed, or nursing bed, having the following method features: a) a patient in question or an applicable caregiver is reported by a control centre as in need of transportation from one ward A to another ward B, b) the nursing staff on ward A beds down or puts the person in question into a special transportation bed or a special transportation chair and reports to the control centre when this person is correctly supported, this being able to be checked by means of a pressure sensor (23) in the lying area or sitting area, the identity being ensured by the nursing staff or being able to be checked by means of a patient identity card, c) the patient is automatically moved to ward B, d) the patient is brought to his treatment in ward B and then transported back to ward A by the same route.

Abstract: A mobility apparatus includes a frame, a body surrounding the frame having a front side, a rear side, a top side, a bottom side, and first and second lateral sides, a seat located on the top side of the body, a plurality of wheels attached to the frame, a motor for driving at least one of the plurality of wheels attached to the frame, a battery for supplying electricity to the motor, and a controller for directing movement of the mobility apparatus. The top side of the body includes seats for children to ride the mobility apparatus. The mobility apparatus may also include a tether cord or handrails for directing movement of the mobility apparatus, or the mobility apparatus may follow a transmitter or autonomously drive.

Abstract: A tractor has a base for supporting a motive power source, left and right driven wheels, and left and right transmissions for the respective left and right wheels; a handle structure coupled to the base for grasping by an operator from behind the tractor; a drive system for driving each of the left and right transmissions with motive power from the motive power source; wherein the left and right transmissions are hydrostatic transmissions, further having a speed regulator control lever on each transmission that allows seamless control of the transmission from reverse speed through neutral into forward speed; and a transmission control coupled to each speed regulator control lever; further wherein there is a longitudinally disposed space between the left and right transmissions, and a power take off shaft is disposed in the space extending anteriorly and driven by the motive power source for powering a powered attachment arranged to be attached at the anterior of the tractor, further including a shaft extensio

Abstract: Provided is a cart robot having a charge function, which includes: a main body having a container in which goods are contained, a handle assembly installed on one side of the container, a battery module, and a battery management system (BMS) module for managing charge and discharge of the battery module; wheel assemblies rotatably coupled to a lower portion of the main body, and configured to move the main body in a direction of a force applied to the handle assembly; and an external charge module (CM) having a front connector provided on a lower front side of the main body and a rear connector provided on a lower rear side of the main body, electrically connected to an external power supply through the front or rear connector and configured to charge the battery module.

Abstract: An imaging system is disclosed. The imaging system is operable to acquire and/or generate image data at positions relative to a subject. The imaging system includes a drive system configured to move the imaging system.

Abstract: According to some aspects, a portable magnetic resonance imaging system is provided, comprising a magnetics system having a plurality of magnetics components configured to produce magnetic fields for performing magnetic resonance imaging. The magnetics system comprises a permanent B0 magnet configured to produce a B0 field for the magnetic resonance imaging system, and a plurality of gradient coils configured to, when operated, generate magnetic fields to provide spatial encoding of emitted magnetic resonance signals, a power system comprising one or more power components configured to provide power to the magnetics system to operate the magnetic resonance imaging system to perform image acquisition, and a base that supports the magnetics system and houses the power system, the base comprising at least one conveyance mechanism allowing the portable magnetic resonance imaging system to be transported to different locations.

Abstract: A rideable golf bag cart/cycle (10) is a personal riding golf cart/cycle adapted to transport a single rider (13) and a golf bag (12) for use on a golf course. The cart/cycle (10) is generally symmetrical about a longitudinal plane (16) and includes a frame (18) with a seat (20), a front wheel and steering components (22), a rear wheel (24), an inclined bag support structure (26) extending between the legs of the rider (13), and a motor/control subassembly (28). A collapsed mode (30) in some embodiments is achieved by folding down the handlebars (72) and pivoting the running boards (56) up against the frame (16). An enhanced embodiment (118) includes a canopy (122) and a deluxe multifunctional console (124).

Abstract: A riding device for transporting a load and a human with three sets of laterally spaced wheels, and a foot stand assembly suspended above the riding surface, wherein a user may stand on the foot stand assembly and steer the riding device. The device comprises a first set of swivel caster wheels, a second set of drive wheels, and a third set of foot stand assembly wheels connected with a frame and load bearing platform. The riding device preferably uses a battery as a power source, and is sized to fit through doorways, hallways, and into elevators so that it may be used inside or outside to transport tools or other equipment.

Abstract: A pedal powered motor-assist golf bag cart/cycle (10) is a personal riding golf cart/cycle adapted to transport a rider and a golf bag (12) for use on a golf course. The cart/cycle (10) is generally symmetrical about a longitudinal plane (11) and includes a frame (14) with a seat (16), a front wheel and steering components (18), a rear wheel (20), an inclined bag support (22), a pedal subassembly (24), a motor assist subassembly (26), and controls (28). It is adapted to be propelled by either the pedal subassembly (24), the motor subassembly (26), or both together.

Abstract: An operating head for an industrial truck comprises a support extending along a longitudinal axis and comprising opposing carrier sections. One or more gripping sections are positioned opposite each of the opposing carrier sections, wherein the opposing carrier sections and gripping sections at least partially define a handle opening. The operating head further comprises at least one operating element positioned on at least one of the opposing carrier sections. The at least one operating element comprises a cylindrical body extending along a cylindrical body axis and defining a bulge extending radially from the cylindrical body along a bulge axis. The bulge extends towards the one or more gripping sections when the at least one operating element is in a rest position and the at least one operating element is pivotable about the cylindrical body axis by exerting a force against the bulge.

Abstract: A gyroscopically-responsive power assisted moment arm is disclosed for use in connection with vehicles such as load carrying devices. A moment arm extends to a pivot point such that when a longitudinal force is applied at the moment arm, a sensor senses such force and outputs an energizing signal to a motor to drive a wheel. If a rotational or vertical force is applied to the moment arm, the motor need not be driven. According to the invention, therefore, a power assist can be provided to a user to drive a wheel in a desired direction of transport while not causing drive during tipping or unloading of the load carrying portion of the vehicle. Such an apparatus can be advantageously applied to a power assisted wheelbarrow, as one exemplary application.

Abstract: A patient conveyance apparatus such as a transport chair or a stretcher is disclosed. The apparatus has a frame onto which a patient support with a lowering backrest is provided. The apparatus has two handles extending away from the frame. The handles are rotatable about two axes to change their position, and can be moved through different operative and stowed positions without conflicting with movement of backrest.

Abstract: Provided is an autonomous hospital bed including: a frame; wheels; motors to drive the wheels; a controller in communication with the motors; sensors; a processor; a tangible, non-transitory, machine readable medium storing instructions that when executed by the processor effectuate operations including: capturing, with the sensors, depth data indicating distances to objects within an environment of the hospital bed and directions of the distances; capturing, with the sensors, movement data indicating movement distance and direction of the hospital bed; generating, with the processor, a map of the environment using the depth and movement data; generating, with the processor, a movement path to a first location; instructing, with the processor, motor drivers of the wheels to move the hospital bed along the movement path; and, inferring, with the processor, a location of the hospital bed within the environment as the hospital bed navigates along the movement path.

Abstract: A pallet sled includes a base and a pair of tines extending from the base. A load wheel supports outer ends of each of the tines. A wheel supports the base. At least one motor is configured to drive the base wheel or at least one of the load wheels for driving the pallet sled. The motor may be a hub motor inside the base wheel or the load wheel.

Abstract: A foldable golf cart includes an upper frame, a lower frame, a handlebar set, a front wheel set, and two rear wheel sets. The upper frame is mounted on the lower frame. The front wheel set is mounted at a front end of the lower frame. The rear wheel sets are rotatably mounted on the left side and the right side of the rear end of the lower frame respectively. The handlebar set is connected with the upper frame through a first lock mechanism, the upper frame is connected with the lower frame through a second lock mechanism, and the first lock mechanism and the second lock mechanism are connected through a link mechanism. When the first lock mechanism is unlocked, the handlebar set is rotated, and at this moment, the link mechanism drives the second lock mechanism to be unlocked.

Abstract: A standing operator support system for riding equipment, such as a standing mower, includes a suspendable standing platform for supporting the load of a standing operator and a suspension assembly adjustably engageable with the standing platform to suspend the standing platform relative to a fixable platform pivot axis of the standing platform. The suspension assembly is configured to allow for a uniform suspension experience for varied operators of varied weights while maintaining the standing platform in a relatively uniform and substantially horizontal orientation relative to terrain being traversed for the varied operators of varied weights. The suspension assembly is adjustable relative to the standing platform via a single motion to adjust between operator weight settings. The suspension assembly also may be adjustable relative to the standing platform for traverse over discrete raised portions of a terrain, such as a low rock wall or a curb.

Abstract: A bicycle controller includes an electronic control unit. The electronic control unit controls a transmission device that changes a ratio of a rotational speed of a wheel of a bicycle to a rotational speed of a crank of the bicycle, and a motor that transmits torque to an upstream side of the transmission device in a transmission path of a manual driving force that is input to the crank. The electronic control unit switches between a first mode that drives the motor in accordance with the manual driving force and a second mode that allows the motor to be driven to assist walking of the bicycle. The electronic control unit controls the transmission device to change the ratio upon detection of the electronic control unit switching between the first mode and the second mode or the electronic control unit being in the second mode.

Abstract: Disclosed is a handling system that makes it possible to place a wheeled sleeping unit, particularly a hospital bed, in a high position for a maintenance operation. The system includes a supporting device that is slidably mounted along a guide assembly and is provided with a receiving assembly that is hinged onto one or more vertical slidable portions of the device that are adjacent to a raising area. A sleeping unit can be placed in the area, above a lifting portion defined by the receiving assembly, and a longitudinal side of the unit can be positioned against an abutment surface of the assembly. The receiving assembly includes a holding element that fits into the top of the unit so as to lock the positioning of the unit in the receiving assembly, which makes it possible to change the orientation of the unit after a raising phase.

Abstract: An axle assembly includes a first wheel connected in a rotationally fixed manner to a first wheel shaft with a wheel hub motor and a second wheel connected in a rotationally fixed manner to a second wheel shaft. The second wheel is coupled by a mechanical transmission mechanism in a driving manner to the wheel hub motor. The transmission mechanism has a transmission shaft unit which extends generally parallel to, but non-coaxially with the wheel shafts such that the transmission shaft unit is offset in the vehicle longitudinal direction from the wheel shafts and is coupled via coupling units in a force-transmitting manner on one hand to the wheel hub motor and on the other hand to the second wheel to provide drive force to both wheels from a single wheel hub motor at least partially containing within one of the wheel hubs.

Abstract: A spreader sprayer system includes a frame member defining a frame body that has a first side, a second side, a front portion, and a rear portion, a first walking member pivotably coupled to the first side of the frame body, a second walking member pivotably coupled to the second side, a first and second plurality of drive wheels, and at least one spray container. The first plurality of drive wheels are disposed on the first side of the frame body and are operatively coupled to the first walking member. The second plurality of drive wheels are disposed on the second side of the frame body and are operatively coupled to the second walking member. Each spray container is coupled to at least one of the first walking member or the second walking member.

Abstract: A push cart according to one aspect of the present disclosure includes a wheel, a body frame, and a lighting device. The body frame includes a handle portion and rotatably supports the wheel. The body frame is configured to be able to mount a loading platform on the body frame. The handle portion is gripped by a user of the push cart. The lighting device emits light.

Abstract: A balancing transporter is provided to mitigate occurrence of undesired sudden turning and falling of a user by virtue of various mechanisms that control the source/cause of mistakes and implement post-mistake remedies. Two adjusting members are operated by the user for turning control in a manner that interference between operations on the adjusting members and on handles is prevented. Maximum allowance of difference between wheel speeds is introduced to prevent sudden turns due to inappropriate operation. A rotational interlock unit mechanically enables the adjusting members to rotate in opposite directions to prevent sudden turns. Shock absorption and balance compensation mechanisms are introduced to keep the balancing transporter from tilting.

Abstract: The present invention pertains to a mobile cart which can be utilized for transporting beach supplies including toys games, sporting goods, umbrellas, blankets, towels and food. Advantageously, the subject invention can be folded into a small suitcase like container and then opened to provide a cart as set forth herein. The cart according to the present invention may also include a self-propulsion system including a motor or motors for driving a tread, track or wheels along with a low friction skid surface or skis for directing the cart to a desired location. There may also be included a power source, for example batteries or solar panels, may be utilized to supply the power needed for self-propulsion and for powering or charging portable electronic devices, if desired.

Abstract: A front propeller on a main shaft communicated from one end to an engine transmission; the propeller having a hub and a plurality of blades extending radially outwardly from the hub; a rear propeller co-axially to, and spaced apart from, the front propeller rearwardly in an axial direction having a hub and a plurality of blades extending radially outwardly from the hub. An adaptor is coaxial with the main shaft and comprising a second shaft for supporting the rear propeller. A plurality of pitched-formed seating surfaces having ramps, are spaced apart from the second shaft in an axial direction. An adaptor communicates with the rear side of the front propeller in the axial direction; a plurality of locking elements are movable in the axial direction, each being in contact with the seating surfaces of the adaptor, and communicate with the rear propeller from the other end.

Abstract: An X-ray diagnostic apparatus according to one embodiment comprises an X-ray tube, an X-ray detector, a holding mechanism, position specifying circuitry and control circuitry. The X-ray detector detects the X-ray which has been generated by the X-ray tube and has passed through an object placed on a top of a bed movable in an examination room. The holding mechanism holds the X-ray tube and the X-ray detector, and movable in the examination room. The position specifying circuitry specifies a position of the holding mechanism in the examination room and a position of the bed in the examination room. The control circuitry controls the holding mechanism in order to change a position and angle of the holding mechanism based on the position of the holding mechanism and the position of the bed.

Abstract: A transmission comprising a shaft (6) made as a single piece or as at least two shaft sections (6A, 6B) on a common axis, a “drive toothed” wheel (5) mounted to rotate freely on said shaft (6), and an automatically clutching clutch mechanism (8) arranged between the drive wheel (5) and the shaft (6) or each of the shaft sections (6A, 6B), the or each clutch mechanism (8) comprising: a clutch plate (81) mounted to rotate freely on the associated shaft (6) or shaft section (6A, 6B); a part (82) that is carried by and constrained to rotate with the associated shaft (6) or shaft section (6A, 6B); and a brake of said clutch plate that acts continuously on the angular speed of said plate (81). The brake (83) of the at least one of the clutch plates (81) is threaded on the shaft (6) or the shaft section (6A, 6B) carrying said plate (81).

Abstract: There is provided a radiation-irradiation device of which a direction can be easily changed obliquely with a simple structure. A rear wheel unit (12R) of a radiation-irradiation device includes first locking means that includes a front operating portion (109F) of a brake pedal (109), a shaft (108), a gear (107), a cam (106), a rod (104), a lever (105), and a disc (103) and restrains the traveling rotation of a wheel (102). Further, the rear wheel unit (12R) includes second locking means that includes a rear operating portion (109R) of the brake pedal (109), the shaft (108), the gear (107), and the cam (106) and restrains the revolution of a casing (101).

Abstract: A tactical transport cart manually navigable by a single human operator over both topographic and hydrographic terrains has a frame, a payload-supporting area on the frame, a pair of wheels or other terrain-engaging transport propulsion members attached to the frame, a handle structure attached to the frame, at least one motor connected in driving relation to the transport propulsion members, a battery for providing motive power to the motor, and a control device connected between the battery and the motor for controlling supply of motive power to the motor, with a switch device mounted on the handle structure for selective actuation and deactuation of the motor. The frame, transport propulsion members and handle structure are cooperatively dimensioned and configured for movement of the cart over ground surfaces of topographic terrains and for partially and fully submerged movement over water-covered surfaces of hydrographic terrains.

Abstract: A lawn mower (10) may include a blade housing (20), an engine (30), a mobility assembly (310); and a drive system (300). The engine (30) may be operably coupled to the blade housing (20) and configured to selectively rotate a drive shaft (130). The mobility assembly (310) may include a first set of wheels (40, 42) and be selectively operably coupled to the engine (30) to provide mobility of the lawn mower responsive at least in part to operation of the engine (30). The drive system (300) may include a first transmission (110, 120), a flexible driving member (100), a disengagement assembly (116), and a remote actuator. The a disengagement assembly (116) may include a latching lever (125), where the latching lever (125) is configured to switch the first transmission (110, 120) between a disengaged mode and an engaged mode, and where the latching lever (125) is configured to move between a disengaged position corresponding to the disengaged mode and an engaged position corresponding to the engaged mode.