Abstract: A wall surface suction travel device includes a first travel unit, a second travel unit, a joint mechanism, and an elastic mechanism. The travel units are aligned along a travel direction and are each configured to travel on a wall surface while being suctioned on the wall surface. The joint mechanism couples the travel units together such that the travel units can pivot relative to each other on a pivot axis extending in a direction that is perpendicular to both a wall surface facing direction and the travel direction. The elastic mechanism includes a first end fixed to the first travel unit, a second end fixed to the second travel unit, and an elastic member configured to be elastically deformed when one of the travel units pivots relative to the other travel unit and a distance between the first end and the second end is shortened.

Abstract: In an electric power steering apparatus, a control unit includes: a power module that is in surface contact with a heatsink, and in which a plurality of switching elements are mounted internally; a holder that places the power module in close contact with the heat sink, and that also positions the power module; and a controlling circuit board that is disposed so as to be separated axially from the holder, and on which a central processing unit (CPU) is mounted; and the power module is disposed on a first surface of a first side of the holder, and a circumferential surface of a capacitor that suppresses electric power supply pulsation is disposed so as to be in close contact with a capacitor recess portion that is formed on a second surface of a second side of the holder.

Abstract: A working machine with a crawler includes a lower traveling body having a pair of crawlers, an upper turning body, an extension beam installed rotatably to be parallel in a longitudinal direction of the crawler, a fitting portion opened in a side frame of the crawler, a fixing pin fixing the extension beam to the side frame, a fixing pin insertion hole, a fixing pin fitting hole, and a reinforcement rib, in which the extension beam extends to be inserted into the fitting portion, and the reinforcement rib is provided at a center portion of an opening of the fitting portion, and the fixing pin fitting hole is disposed at a position which is deviated from an imaginary center line extending along a longitudinal direction of the fitting portion from the center portion and does not interfere with the reinforcement rib.

Abstract: This disclosure generally relates to an automatic bicycle, particularly to a hydraulic automatic transmission bicycle which can automatically and adaptively change gear ratios. More particularly, this disclosure relates to those hydraulic automatic transmission bicycles which use fluid pressure to change such gear ratios, and which include various hydraulic automatic transmissions which may be provided in various configurations and may operate in various methods and sequences to provide automatic and infinitely variable gear ratios.

Abstract: A trailer cart. The trailer cart includes a frame having a front end, a rear end and sides. A wheel assembly is attached to the frame. The wheel assembly includes an axle and a pair of wheels. A tongue is attached to and extends from the front end of the frame. The tongue includes a trailer coupler configured to secure to a trailer ball. A winch assembly is attached to the trailer. The winch assembly includes an upright post and a winch attached to the upright post. The winch assembly is attached to at least one of the tongue and the frame and is disposed near the front end of the frame.

Abstract: A child drift car comprises a car frame, a wheel assembly, a seat, a driving mechanism and a direction control mechanism; the wheel assembly comprises a driving wheel assembly, and the driving wheel assembly comprises driving wheels, and an axle fixedly connected to the driving wheels; the driving mechanism comprises a driver and a transmission device; the direction control mechanism comprises a steering column, a steering wheel fixedly connected to the steering column, and a steering device separately connected to the steering column and the driving wheel assembly; the driving mechanism further comprises a main shaft rotatably disposed on the car frame along its own axis and driven by the transmission device to rotate, and the main shaft is connected to the axle through a universal joint. When the driving wheels turn, the speed of the driving wheels is not affected, and a higher drifting speed can be achieved.

Abstract: A steering device for a steerable machine, particularly a construction machine, comprising a steering element for manual input of steering commands, a steering actuator for driving a steering adjustment of a travel unit of the construction machine, and a transmission device, which is arranged between the steering element and the steering actuator, the transmission device including an actuator orbitrol for driving the steering actuator. Furthermore, the invention relates to a construction machine having such a steering device, as well as to a method for steering a steerable machine, particularly a construction machine.

Abstract: A bicycle suspension tube comprises a tubular body, a wheel attachment part, and a caliper attachment part. The wheel attachment part is provided on the tubular body. The wheel attachment part includes an attachment hole having a rotational center axis. The caliper attachment part is provided on the tubular body. The caliper attachment part includes a first through hole having a first longitudinal axis non-parallel to the rotational center axis.

Abstract: A system for easily adjusting spring rate of a rear shock for mountain bikes or motorcycles without changing an actual overall spring length. The system may include a coil spring a body sized and structured to engage with the coil spring. The spring rate may be adjusted by selectively placing the body between adjacent coils of the spring to deactivate up to one spring coil adjacent the end of the spring.

Abstract: A ball assembly for attachment to a ball mount is described. The ball assembly can include a ball post that is securable to a ball mount. A hitch ball is slidably coupled to the ball post at a ball end of the ball post. A load gauge is disposed at the gauge end of the ball post. A load transfer element is operably associated with both the hitch ball and the load gauge so as to cause a load measurement to display on the load gauge based upon a load applied to the hitch ball.

Abstract: A vehicle body includes a vehicle body frame and a steering rotation unit that is supported on the vehicle body frame and that rotates about a steering axis. The vehicle includes a variable trail length mechanism. The variable trail length mechanism varies a trail length of a front wheel and includes an oscillation unit and a torsion reduction portion. The oscillation unit is connected with the steering rotation unit so as to be oscillatable in a fore-aft direction and supports the front wheel. The torsion reduction portion reduces torsion of the oscillation unit in a vehicle width direction through the oscillation unit combined with the steering rotation unit under a condition in which the trail length is changed such that the front wheel is disposed at a rearmost position.

Abstract: A snowmobile having a frame, a seat, at least one ski, a front suspension assembly connected to the frame and the at least one ski, a rear suspension assembly connected to the frame and to an endless track and an engine operatively connected to the frame and the endless track. The frame includes a longitudinal tunnel, an engine cradle connected thereto and extending forwardly therefrom. A front suspension module connected to the engine cradle and extending forwardly therefrom, is connected to the front suspension assembly. A forward support, connected either to the front suspension module or the engine cradle, extends rearwardly and upwardly therefrom. A fuel tank connected to the tunnel extends forwardly and upwardly from the tunnel to the forward support so as to form a structural connection between the tunnel and the forward support for transmitting loads therebetween. Frames for the snowmobile are also disclosed.

Abstract: An assembly method in which an assembly ring is force-fitted between a first part and a second part such as to create: a tightening contact between the first part and the inner face of the ring, by means of plastic deformation of the ring, said tightening contact occupying a first interference zone; and a tightening contact between the second part and the outer face of the ring, said tightening contact occupying a second interference zone. The assembly ring comprises a first ring segment (T1) and a second ring segment (T2) which are stepped axially in relation to one another and which have different radial dimensions from one another, such as to confine the first interference zone to the first ring segment (T1) and the second interference zone to the second ring segment (T2), in order to prevent the first interference zone and the second interference zone from overlapping axially.

Abstract: A vehicle includes a plurality of ground-engaging members and a frame supported by the ground-engaging members. The frame includes a front frame member and a rear frame member coupled to the front frame member. The vehicle also includes a powertrain assembly supported by the frame and an air intake assembly operably coupled to the powertrain assembly and the front frame member. The air intake assembly includes at least one air inlet member extending into a portion of the front frame member. The air inlet member extends from an inlet opening to an outlet opening, and a portion of the air inlet member intermediate the inlet and outlet openings has a diameter less than a diameter of the outlet opening.

Abstract: In an aspect a vehicle is provided, and includes a frame a front wheel and a rear assembly. The front wheel is rotatably mounted to the frame. The rear assembly includes a first rear wheel support and a second rear wheel support. Each of the wheel supports is movably mounted to the frame. The rear assembly further includes a first rear wheel and a second rear wheel. The first and second rear wheels are rotatably mounted to the first rear wheel supports respectively. The rear assembly is positionable in a first position in which the first and second rear wheels are substantially immediately adjacent one another to operate as a single rear wheel, and a second position in which the first and second rear wheels are spaced apart from one another.

Abstract: Systems and methods for determining force direction and magnitude acting on a trailer hitch are disclosed. An example vehicle includes two magnetoelastic pins, having respective magnetic fields, configured to couple a trailer hitch receiver to a vehicle chassis. The vehicle also includes a plurality of sensors corresponding to the two magnetoelastic pins, configured to detect changes in the respective magnetic fields. And the vehicle further includes a processor configured to determine a magnitude and direction of a force acting on the trailer hitch receiver based on data from the plurality of sensors.

Abstract: A latch and fail-safe mechanism suitable for use with an industrial cart, dolly, trailer or other types mobile platforms or carriers. According to an embodiment, the latch comprises a housing or enclosure, a latch mechanism, a hitch hook and a fail-safe mechanism. The housing includes a back-plate configured to attach the latch to amounting bracket or frame plate on the cart. The latch mechanism is operatively coupled to the hitch hook and configured to bias the hitch hook in a closed or engaging position. The fail-safe mechanism is operatively coupled to the hitch hook and configured to bias and maintain the hitch hook in the closed position in the event of failure of the latch mechanism.

Abstract: A transfer case for a normally rear wheel drive vehicle with selective four wheel drive capabilities is provided. The transfer case has an intermediate gear driven lubrication pump, wherein the machining required for the lubrication pump is almost exclusively conducted from an interior side of the rear shell. The transfer case of the present invention also eliminates the requirement for a cover plate for the pump and an external lubrication tube. The transfer case of the current invention has an internal lubrication pump outlet which has a portion extending in a reinforcing mound of the rear shell thereby providing greater stiffness to a portion of the rear shell supporting the main input shaft rear bearings.

Abstract: A vehicle includes a vehicle frame, a steering swivel unit supported on a head pipe of the vehicle frame and angularly movable about a steering axis, a front wheel angularly movable in unison with the steering swivel unit, and a steering handle mounted on the steering swivel unit. The vehicle has a steering handle turning mechanism that makes the steering handle angularly movable about the steering axis relatively to the steering swivel unit. The steering handle turning mechanism includes a handle turning motor for angularly moving the steering handle about the steering axis.

Abstract: A gooseneck guide has a curved mounting plate joined to a lower end of a gooseneck, presenting a V-guide to a ball mounted in a truck bed, such that a radius in the V-guide contacts the hitch ball in the truck bed as the truck is backed, guiding a latching mechanism of the gooseneck to be directly over the hitch ball as contact is made.