Abstract: The disclosure is of a wheeled truck or transport vehicle, adapted for elevating and supporting the nose wheel of an airplane, of the small or private class, and transporting it about the landing field. The truck has a horizontal nose roller, adapted to be rammed under the nose wheel of the airplane landing gear, and to thereby elevate the nose wheel. The advancing truck has, just behind the nose roller, a horizontally pivoted gate, initially swung down to act as a platform, and behind that a turntable. These ride under the nose wheel, one after the other, as the nose roller is thrust under the nose wheel of the airplane and then on beyond. The gate already mentioned is initially positioned in an approximately horizontal position, just in back of the nose cylinder of the truck, and is pivoted at the bottom on the normally front edge of the turntable.

Abstract: A powered pipeline crawler comprising a personnel carrier having an outer configuration complementary to the inner cross-sectional configuration of a pipeline and provided with suitable wheels for longitudinal movement through a pipeline. In addition, power means is provided for the carrier for propelling the device through the pipeline upon the control of the personnel being carried thereby.

Abstract: An improvement in a chain drive mechanism wherein a drive sprocket is connected to a spaced driven sprocket by an endless chain with the driven sprocket being pivoted on a swing arm about an axis intermediate the two sprockets. The improvement includes idler members on opposite sides of the pivot axis for engaging and "pinching" the chain flights together at points equidistant from the pivot axis. Through this arrangement, pivotal movement of the driven sprocket about the axis is resisted, since leverage is applied through the idler members and all moments operating about the pivot axis are greatly reduced and applied in a direction opposite to the pivotal movement of the driven sprocket. There is therefore a tendency for the swing arm to seek an equalized condition.

Abstract: A portable foldable motor scooter with a substantially triangular chassis, each corner of which is pivotable and one leg of which is hinged to allow the chassis to be folded to a collapsed condition. A steering column is pivotally connected to the forward corner of the chassis and is detachable from the chassis. The driver's seat is supported on front and rear linkages, the front linkage including a triangular portion containing the leg hinge of the chassis. A single removable pin normally locks this hinge and maintains the front seat-supporting linkage rigid. Upon removal of the pin the chassis can be folded to its collapsed position and the seat can be swung downwardly toward the rear wheel and can be latched to the rear wheel fender, holding the chassis in its collapsed position. The steering column has handle bars which can be swung inwardly and fastened so as not to protrude from the folded vehicle.

Abstract: A bicycle comprising a frame having a front wheel, a rear wheel and a pedal crank shaft connected to the rear wheel. An internal combustion engine is also connected to the rear wheel. A gear train comprising an input gear, an output gear, and an intermediate gear in mesh with the two gears is interposed between the pedal crank shaft and a driving sprocket connected to the rear wheel, the intermediate gear being loosely and rotatably mounted on a rotatable supporting shaft such that by driving the pedal crank shaft in rotation the supporting shaft can be turned due to frictional engagement by the input and intermediate gears. A throttle control member for the engine is connected to an end portion of the supporting shaft so that the member is operated by turning of the shaft. The supporting shaft is provided on one side with a dashpot coupled with the shaft so that rotation of the shaft is dampened.

Abstract: A kickstand for supporting a parked two-wheeled vehicle and a footrest for supporting the feet of the vehicle operator when the vehicle is in motion is provided by a single device comprising a lever pivoted about an axis parallel to the longitudinal axis of the vehicle on a horizontal beam rigidly affixed to the vehicle frame. The center of gravity of the lever portion is located relative to the pivot axis so that the lever portion is stable both when pivoted to contact the ground for vehicle support and when pivoted to a position parallel to the beam to act as a footrest.

Abstract: A bicycle comprising a vehicle frame having a front wheel, a rear wheel, a pedal crank shaft connected, for manual drive, to the rear wheel, and an internal combustion engine connected, for a mechanical power drive, to the rear wheel. A gear train is interposed between the pedal crank shaft and the rear wheel and comrises an input gear, an output gear and an intermediate gear, the latter being rotatably mounted on a rotatable supporting shaft and interposed between the pedal crank shaft and a driving sprocket connected to the rear wheel such that upon transmission of a torque through the gear train, the supporting shaft is turned in proportion to the torque. There is provided on one side of the supporting shaft a rotary shaft which is arranged to be driven with the intermediate gear so as to be turned in correspondence with the rotation speed of the intermediate gear.

Abstract: A frame for attaching a side car to the frame of a motorcycle. The attachment frame includes parallel upper and lower rails which are connected at their front ends to the motorcycle frame by a parallelogram linkage for simultaneous tilting movement of the front portions of the attachment and motorcycle frames. The rear portion of the attachment frame is pivotally connected to an auxiliary wheel which is disposed beneath the attachment frame directly adjacent to the motorcycle. The attachment frame carries means for connecting a side car outwardly from the attachment frame and auxiliary wheel. The connection between the rear portions of the frames comprises a roller mounted for movement along a normally vertical track to provide independent movement of the frames and form an axis for tilting movement of the attachment frame. An air cylinder provides adjustable support for the load carried by the attachment frame.

Abstract: A removable lock primarily designed for bicycles or the like which is incorporated in the tubular head or sleeve and extends interiorly into the tubular steering stem or post, the lock including tumblers, a stationary housing and an interiorly positioned rotary shaft associated with said tumblers including a pair of spring arms which wind around the shaft in inoperative position and extend outwardly in operative position through said housing interiorly of said stem to prevent rotation of the steering post and withdrawal of the lock. Means are also provided for anchoring a wire rope or restraint on the lock to effectively prevent rotation of the wheels, etc.

Abstract: A radiator apparatus in a motorized two-wheeled vehicle in which a radiator for cooling an internal combustion engine is mounted between left and right tubular elements of the vehicle body. Left and right air guide plates are mounted on the radiator and project obliquely forwards at both outside edges of the radiator to cover the front surfaces of the tubular elements to direct air to the radiator while preventing turbulence at the tubular elements.

Abstract: This is a unique arrangement for transmission of power, particularly for bicycles, and the like, in which arrangements are made through the use of roller clutch and ratchet arrangements or the like to provide for regular rotary leg motion or alternatively for reciprocating motion of pedals or power arms.

Abstract: A motorized two-wheeled vehicle construction having a power unit swing system comprising a vehicle body frame connecting a front head pipe to the lower surface of a seat unit for a driver, the rear side of the frame being provided with a curved lower elbow portion to which a power unit is pivotably or swingably attached. The power unit comprises an internal combustion engine and an integral power transmission mechanism extending rearwardly from the engine to one side of the rear wheel to drive the same. The power unit is swingably attached at its front end to the curved lower portion, and a shock absorber connects the rear portion of the power unit and the lower surface of the seat unit.

Abstract: A draft attachment for wheeled implements. The attachment is characterized by an elongated frame member having a coupling located at one end thereof adapted to connect the frame member with a wheel-supported implement, a singular ground wheel disposed substantially beneath the opposite end of the frame member and pivotally connected thereto in supporting relation therewith, a power train connected to the wheel for selectively driving the ground wheel about its axis of rotation and an operator's platform mounted on the frame member in fixed relation therewith.

Abstract: Apparatus for guiding a cooling air flow for an engine of a motorized two-wheeled vehicle having a vehicle body provided with an internal combustion engine and a blower for forcibly cooling the engine, the apparatus comprising a guide plate mounted behind the blower so that warm air obtained after cooling can be guided by the plate to the outside of the vehicle body. When the engine is water-cooled it is provided with a radiator at the front thereof and the blower is positioned between the radiator and the engine. The guide plate is positioned between the blower and the engine.

Abstract: Dolly with articulated and steerable wheels, having steering angle compensation on the driving wheels, for particular use with cinema and television cameras.

Abstract: This invention relates to an improvement in folding girl's and tandem bicycles. The improvement expands the capability of bicycle folding means into girl's and tandem model configurations and provides a commonality of construction which can be incorporated into men's model configurations. The improvement disclosed is a detent for retaining the articulated latches securely locked thereby avoiding inadvertant release when the bicycle is ridden. An eccentric adjustment is provided to adjust out the looseness in the folding joints to overcome the problems of manufacturing tolerances and normal wear. Also disclosed is a tandem style which is no larger than the single rider model, except that it has provisions for a tandem seat and a tandem set of pedals.

Abstract: A bicycle trailer comprises axle means having wheel means mounted on each end. A post member is latchably secured at one location to the axle means and at another location it is pivotally mounted to a hitching member which is to be secured onto a bicycle frame. Supporting members extend outwardly from the post member onto which container means are secured.

Abstract: A standard bicycle frame is modified by rigidly and permanently securing two generally parallel integral tubular members extending from the head tube of the frame past the seat support tube and then past the axis of the rear wheel and beyond the same rearwardly to a point which will touch the ground when the center of gravity of a rider's body, riding on the rear wheel only, moves backward and approaches dead center over the axis of the rear wheel. These two tubular members are attached to the head tube and one to each side of the seat support tube in a rigid and permanent manner, and are detachably secured one at each end of the opposite ends of the rear wheel axial shaft.

Abstract: A vehicle such as a motor grader includes a hydrostatic auxiliary front wheel drive system which utilizes implement system pressurized fluid flow to drive a pair of fixed displacement hydraulic motors, such motors being drivingly connected to cause rotation of the front wheels. A pilot operated series-parallel valve in combination with a flow divider allows the motors to be driven in series or in parallel. A directional control valve is selectively responsive to operator control, and clutch actuation is accomplished automatically by directing a controlled portion of system fluid to such clutches to overcome the normal spring bias thereof.

Abstract: An air cushion vehicle flexible skirt assembly includes a plurality of skirt elements. Each skirt element comprises a first section including an endless band of flexible material. A second section of the element includes a plurality of members each comprising an endless band of flexible material having a peripheral dimension which is less than the peripheral dimension of the first section. The members comprising the second section are each joined at one of their edges to one of the edges of the endless flexible band comprising the first section to constitute an extension thereof. If desired, these skirt elements may depend from a bag member forming another part of the flexible skirt assembly.