Abstract: An electrically driven trolley combination for an aircraft cabin with an independently usable, manually movable trolley and an electrical operating apparatus. The trolley has a base section, a main section extending from the base section, and wheels with the trolley supported on a cabin floor by the wheels and manually movable over the cabin floor being pushed or pulled. The electrical operating apparatus can be detachably coupled to the trolley and has a frame, a driveable rolling device on the frame and by which the electrical operating apparatus can be supported on a cabin floor and rolled, a coupling apparatus on the frame for detachably coupling the electrical operating apparatus to the trolley and having an engagement section and a movement section, the engagement section being selectively movable between a first position and a second position by the movement section, an electrical drive device, and a control device.

Abstract: The invention relates to a hydraulic steering device that hydraulically connects a steering cylinder to a supply system, whereby the supply system is hydraulically operatively connectable to the steering cylinder via a steering valve to form a main flow connection and the supply system is hydraulically operatively connectable to the steering cylinder via a flow regulation valve arrangement to form a branch flow connection that circumvents the main flow connection, whereby the flow regulation valve arrangement is triggerable by an electric control unit and the flow regulation valve arrangement comprises valve groups that are triggerable individually, which are respectively connected in the forward flow and return flow of the branch flow connection and a release-shutoff valve is assigned to the flow regulation valve arrangement. It is provided that the release-shutoff valve is connected between the flow regulation valve arrangement and the steering cylinder.

Abstract: An alignment assembly is coupled between a steering assembly and a support foot to maintain an alignment of the support foot with the load transport assembly while the steering mechanism rotates in different steering directions. A biasing device activates in response to non-linear displacements of the load transport assembly relative to the support foot and moves the steering assembly and the support foot back into original alignments with the load transport assembly. The alignment assembly may include a lower main gear assembly that rotates the support foot relative to the steering assembly and an upper main gear assembly that rotates the steering assembly relative to the load transport assembly.

Abstract: An oscillation limited driven steering track assembly includes a track mechanism coupled to and driven by a hydraulic motor. The motor is pivotally secured about a steering axis to a stub axle which partially supports a land vehicle. A longitudinally extensible and retractable apparatus extends between the track mechanism and the stub axle. One end of the apparatus is pivotally secured to a post secured to and extending from the track mechanism parallel with the motor shaft axis of rotation. A yoke is provided between the apparatus other end and pivotally secures the apparatus to the stub axle about the steering axis and, also, about a pivot axis perpendicular to the steering axis. Oscillation of the track mechanism about the motor shaft is limited by the apparatus. Simultaneously, the apparatus does not interfere with the track mechanism while the mechanism is rotated about the steering axis for steering the vehicle.

Abstract: A compact ground robot includes a vehicle body, a forward pair of track assemblies mounted to the vehicle body, and a rearward pair of track assemblies mounted to the vehicle body. All the track assemblies are foldable underneath the vehicle body for compact transport of the robot. All the track assemblies unfold to a deployed position supporting the vehicle body for deployment of the robot. Each track assembly may include a drive sprocket, a flipper, and a tack about the sprocket and flipper.

Abstract: The present invention provides a bicycle tool storage device mountable in a bicycle headset assembly and/or a bicycle pump. A top cap for loading a headset assembly and mounting the device is also provided. The top cap includes an annular body and a device receiving aperture extending through the body. The top cap includes a flange extending radially outwardly from a first end of the body and a ridge defined in an inner surface of the body adjacent to the flange. The ridge is concentrically aligned with the aperture for retaining the device. Further still, a bicycle pump for mounting the device is provided. The pump includes a pump body, a handle, a pump head, and a flange. The pump body houses a plunger and a piston. The plunger and handle define a cavity for receiving the device. The handle further defines a flange for retaining the device.

Abstract: Vehicle (110) including a frame (114), a seat mounted to the frame (114), wheels (116, 118) rotatably mounted on the frame (114), and drive mechanisms (112) for causing rotation of one wheel (116). Each drive mechanism (112) includes an arm (132) pivotally attached to the frame (114) at one end, a weight (136) and attached pedal (138) at an opposite end of the arm (132), and a guide member (142) including a bump (150) and that moves in conjunction with movement of the weight (136). The guide member (142) has a first end region at which it is pivotally attached to the frame (114) and a second, opposite end region which is free. A roller (140) attached to the arm (132) moves along the guide member (142) during pivotal movement of the arm (132) to cause pivoting of the guide member (142) as the roller (140) engages with the bump (150). An energy transfer system (148) converts pivotal movement of the guide member (142) into motive power to rotate the wheel (116).

Abstract: Disclosed are provisions for enabling a user of a wheelchair to rapidly outfit a first side of the wheelchair with a first implement or a second implement, both implements having adaptive functionalities, and also for enabling the user to perform the same in conjunction with a second side of the wheelchair. Useful implements include those having: A.) ground-contacting functionalities, such as improving navigation over rough terrain and adding forward stability to the wheelchair, and B.) non-ground-contacting elevated functionalities, including holding an umbrella, carrying an electronic device, or supporting a tray, work surface, or other auxiliary load.

Abstract: A gooseneck hitch attachable to a cross member secured to a frame below a load bed of a vehicle, the cross member having a width is shown and described. The gooseneck hitch may include a beam selectively attachable to the cross member below the load bed and a rail monolithically formed with the beam and extending from the beam. The gooseneck hitch may also include a receptacle monolithically formed with the rail, where the receptacle is capable of selectively securing a hitch ball.

Abstract: The present invention relates to a hydraulic steering system for a vehicle, in particular an industrial truck, comprising: a steering cylinder having two chambers and a hydraulic connection at each of the two chambers for activating a steering movement of at least one wheel of the vehicle; at least one hydraulic pump; at least one hydraulic tank for receiving hydraulic oil; and a steering block which comprises: two first hydraulic connections for connecting to the two hydraulic connections of the steering cylinder; at least two second hydraulic connections for supplying hydraulic oil from the hydraulic pump to the steering block and feeding the hydraulic oil back into the hydraulic tank; and a controllable valve assembly which receives control signals from a steering angle detection device and is designed to convey hydraulic oil to the steering cylinder on the basis of said control signals; the controllable valve assembly being further designed to be shiftable into at least one neutral position in which it al

Abstract: A vehicle component, comprising a first arm, a second arm, and a yoke portion that connects the first arm and the second arm, wherein at least one of the first arm, the second arm and the yoke portion comprises a tubular structure and an interior wall that divides the tubular structure into a first tubular chamber and a second tubular chamber.

Abstract: A power steering apparatus according to the present invention comprises: a steering mechanism having a steering shaft and a rack bar which steers steer steerable wheels by a movement in an axial direction of the rack bar in association with a rotation of steering shaft; an electrically driven motor having a stator, a rotor, and a drive shaft integrally rotated with the rotor; a worm gear transmitting the rotation of the drive shaft to the steering mechanism; a housing member having a reduction gear housing section, a rack bar housing section, and a motor ECU housing section in which the electrically driven motor and the control circuit are housed; and a moisture detection sensor having a moisture detection section disposed within the reduction gear housing section and a transmission section connected with the control circuit passing through an inner part of the motor ECU housing from the moisture detection section.

Abstract: An adjustable hitch assembly has a hitch bracket, a vertically-adjustable hitch-ball mounting block, one or more hitch balls, and assorted other hardware including a plurality of hitch pins. The hitch bracket has essentially an L-shape and has a drawbar portion having an inside sidewall, a post portion having an inside sidewall and a wedge-shaped, gusset-form enlargement having an inside sidewall which transitions into the inside sidewalls respectively of the post portion and drawbar portion, filling in the inside angle between the drawbar portion and post portion. Wherein the vertically-adjustable hitch-ball mounting block is vertically adjustable on the post portion of the hitch bracket.

Abstract: A robotic vehicle may include a first chassis platform including a first wheel assembly, a second chassis platform including a second wheel assembly where the first and second chassis platforms are spaced apart from each other, and a combination linkage operably coupling the first and second chassis platforms. The combination linkage may be operably coupled to the first chassis platform via a first link and is operably coupled to the second chassis platform via a second link. The combination linkage employs at least two different coupling features to operably couple the first and second chassis platforms. The at least two different coupling features include at least any two among a fixed attachment, an attachment that enables rotation about a turning axis, and an attachment that enables pivoting about a pivot axis that is substantially perpendicular to the turning axis.

Abstract: This disclosure relates to a system for balancing a bicycle. The system can comprise a frame, a tension system, and a steering system. The frame can be capable of mounting to a bicycle. The tension system can be capable of connecting with handlebars of the bicycle. The steering system can be mounted to the frame, further the steering system can be in communication with the tension system such that manually maneuvering the steering system can adjust tension within the tension system to steer the bicycle.

Abstract: A drive unit for an electrically assisted vehicle includes an electric motor, an electronic circuit board including a control circuit that controls rotation of the electric motor, a holder that covers an entirety or a portion of the electronic circuit board and is fixed to the electronic circuit board, and a housing that accommodates the electric motor, the electronic circuit board, and the holder, such that the electronic circuit board is at a deeper position than the holder. A position of the holder on the electronic circuit board is fixed by tabs. The holder and the electronic circuit board are fixed to the housing by fasteners extending through first holes in the electronic circuit board and second holes in the holder.

Abstract: An electric bicycle having a control unit, a drive unit, a battery unit, a display unit and a remote control unit for display unit, remote control unit being situated in the region of a handlebar grip remote from display unit. According to the present disclosure, electronic control unit is situated in seat tube of bicycle frame.

Abstract: A tie down apparatus that may be utilized for securing an item, such as a safety chain, wherein the tie down apparatus may be used with a hitch mounting system. In one embodiment, the tie down apparatus may include a receiving member, a tie down member, and a clocking member. The receiving member may include an opening located there through. The tie down member may include at least one aperture, wherein the tie down member may be capable of being located and rotated within the receiving member. The tie down member may be rotated either clockwise or counterclockwise. The locking member may include at least one leg capable of being housed within the aperture. The locking member may engage the receiving member once the tie down member is rotated, thereby trapping the item within the tie down apparatus.

Abstract: An unmanned ground vehicle includes a main body, a drive system supported by the main body, a manipulator arm pivotally coupled to the main body, and a sensor module. The drive system includes right and left driven track assemblies mounted on right and left sides of the main body. The manipulator arm includes a first link coupled to the main body, an elbow coupled to the first link, and a second link coupled to the elbow. The elbow is configured to rotate independently of the first and second links. The sensor module is mounted on the elbow.

Abstract: A wheelchair includes a lower assembly including a lower frame having wheels rotatably mounted thereto, an upper assembly including an upper frame supporting a seat, a backrest and at least one movable armrest, and a lift mechanism configured to move the upper assembly relative to the lower assembly between a lowered position and a raised position, wherein a user can move sideways out of the seat in the raised position with the movable armrest lowered.