Abstract: A powered load carrier having a front wheel and rear driving wheels secured to a lower frame which supports a hinged upper frame that engage a detachable load carrying apparatus which is slideable on the upper frame between a rearward position where the load is disposed over the drive wheels and a forward position over the hinge whereby the upper frame can be tipped forward at its hinge to dump the load.

Abstract: Transport carrier apparatus and techniques are described for transporting repair items to and from an agricultural pivot sprinkler device of the type used to irrigate row crops. The apparatus is self-propelled and includes: (a) a frame having an open front to receive repair items, (b) support area at the front of the frame to support the repair items being transported, (c) at least four wheels attached to the frame to support it above the ground, (d) a power source (e.g., a gasoline engine) for driving the wheels, and (e) handles on the rear portion of the frame for steering the apparatus. The transport apparatus is sufficiently narrow to enable it to travel between adjacent rows of growing row crops so that replacement wheels, gear boxes, etc. can be transported to and from a tower of the sprinkler system without trampling the crops. In a preferred embodiment the apparatus includes a transmission having forward and reverse gears.

Abstract: A self-propelled table for carrying and/or lifting/lowering objects for invalid people having a hollow plastic upper enclosure which is padded at the edges and upon the surface of which contains anti-slip recesses and a joystring assembly. The lower portion of this assemblage is attached to a vertically mounted, telescoping tubular assembly which may be either fixed or supplemented with a motor-power assembly with which to adjust the height-away-from-the-floor of the uppermost serving surface. The bottom of the tubular assembly is attached to the upper portion of a hollow plastic lower enclosure which contains wheels, motors, batteries, and electronic circuits to translate the electronic signals from the joystring into meaningful wheel motions. Pulling the free end of the joystring causes the invention to propell itself and it's load in the same direction that the joystring was pulled; thereby providing handicapped people with the ability to perform simple tasks unassisted.

Abstract: An auxiliary support for moving car trailers or truck trailers is supported by wheels on an axle and has a drawbar at its front end. To facilitate connection to a trailer and prevent the auxiliary support from tilting, the auxiliary support is provided with a detachable outrigger that can be connected to the axle at the side opposite the drawbar and has a swivelling wheel.

Abstract: A safety device for the control lever of a construction machine having hydrostatic transmission which comprises a casing provided on the machine and a control rod rotatably connected at one end thereof with the control lever associated with the hydrostatic transmission, said control rod being formed with a slender portion at the other end portion which is slidably accommodated by the casing, said slender portion having a coil spring interposed within the casing, and said coil spring being stressed sufficiently to automatically return the control lever to the neutral position when the operator takes his hands off the control lever.

Abstract: An improved rotary cultivator includes a prime mover, a gear box and rotary driven tines. An engine mount casing is located between the prime mover and the gear box and is employed in securing such components together in an operative unitary fashion.

Abstract: A truck for transporting bulky loads, the truck having a frame provided with lateral crawler tracks and an upper load carrying platform movable in relation to the frame; a trolley assembly being connected to the frame for movement relative thereto to lift the tracks off the ground.

Abstract: An automobile maneuvering device is furnished with a drive wheel and a clamp wheel to engage opposite sides of a rear wheel of an automobile with both the clamp wheel and drive wheel disposed above the ground. The device has a chassis and four transport wheels. A drive mechanism, which is operable by an operator in the driver's seat of the automobile, drives the drive wheel to cause the rear wheel to rotate and in turn move the automobile, with the operator guiding the automobile and device with the steering wheel. The device permits a disabled or poorly-positioned automobile to be accurately and carefully moved, without the need for a tow truck or other assistance vehicle.

Abstract: A portable electrical power source to provide electrical energy to movable carriages of mobile storage systems during an electrical power failure, a malfunction of motor control circuitry and/or safety related controls and movement of movable carriages during installation of mobile storage system before standard control system has been installed.

Abstract: A main transmission gear secured to the end of the main transmission shaft which transmits power to another shaft by engaging a bevel gear secured to that shaft. The power is subsequently transmitted to the driving wheel by means of a chain to two sprockets, one coaxial with the bevel gear, the other fixed to a central shaft to which the driving wheel has been secured. The driving wheel has a thick layer of rubber attached on its steel rim. This outer circumference of rubber will result in better friction between the driving wheel and the ground. Two steel front wheels, set on opposite sides of the driving wheel, each being set inside a wheel support which connects with the support leg of the cart. An adjustment screw which enables the relative elevation difference between the front wheel and the driving wheel to be adjusted so as to increase the driving force of the driving wheel. This transmission mechanism hence can efficiently transmit power from the motor to the driving wheel.

Abstract: An electric lawn mower and power cord combination in which the power cord has a central portion that is self-coiling. This central portion of the cord comprises the predominant length of the cord, and is constructed with an elastic memory, so that, when in its relaxed state, it automatically coils itself into a continuous spiralling helix that is too large to pass under the electric lawn mower. A cord grip is also disclosed that locks the cord to a stationary object to prevent the cord from inadvertently becoming disconnected during use.

Abstract: A self-propelled agricultural machine having a control section disposed laterally of a transmission case to control a drive transmission mechanism. A cover for a transmission device for transmitting engine output to the drive transmission mechanism is disposed laterally outwardly of the control section, and a fuel tank is disposed upwardly of the control section. Accordingly, the cover and the fuel tank protect the control section from contact by crop, shrubs and the like.

Abstract: This invention concerns a portable golf cart. It includes two wheels which support an axle upon which is mounted a main horizontal frame. An elongated bag support frame for holding the golf clubs is connected to the frame by a pivot connection so that the bag support frame can rotate from one position where it is essentially perpendicular to the horizontal frame to a second position where it is in alignment with such horizontal frame. The bag support frame can be locked in either position. The bag support frame itself is made of at least two sections that are pivoted with respect to each other so that they can be in an extended position or one section can be folded over the other so as to form a compact golf cart when the bag support frame is in its folded position and is rotated into alignment with the axle.

Abstract: A motorized dump-type vehicle is provided having a chassis frame, a gasoline engine mounted on said frame, a dump container pivotally mounted on the front of said frame and a hydraulic system enabling said container to be raised and lowered by a hydraulic cylinder and said vehicle to be driven in either forward or reverse directions and braked by hydraulic drive motors. The hydraulic fluid is cooled by an oil reservoir tank forming a structural part of the frame and positioned such that heat from the hydraulic fluid can dissipate itself in the container and its contents.

Abstract: A powered lifter that enables one person to move loads such as cars, trucks, farm equipment, trailers and the like from one location to another. The device includes a rear frame supported by a pair of wheels that mounts an upstanding telescoping mast having a rotatable load supporting carriage at its upper end and a hydraulic cylinder connected to the mast for raising and lowering the carriage. The device also includes a front frame pivotally connected to the rear frame and supported by a drive wheel which is driven by a hydraulic motor and steered by a steering arm connected to the front frame which also houses the electronic circuitry for the device. A cabinet is mounted on the rear frame for housing the electrical and hydraulic components for the device, and for reinforcing the frame to avoid sagging and lateral shifting of the frame.

Abstract: A wheeled skid jack is pivotally and releasably connected to a wheeled electric power pack in which the skid jack is provided with a lever handle to manipulate the skid jack into engagement with the skid or pallet using the skid jack wheels as a fulcrum. The wheeled electric power pack supplies current to a gear motor mounted on the skid jack. Electrical controls are provided for controlling the direction of displacement of the skid jack and power pack by driving the gear motor in the desired direction.

Abstract: A golf cart with battery-operated auxiliary drive is composed of a hand golf cart and a tractor apparatus, which are both releasably coupled together by a connecting element.

Abstract: A motorized wheelbarrow employing an engine to drive the wheel of the wheelbarrow. A unique friction drive transmission mechanism allows the wheelbarrow to be driven in either a forward or a reverse direction and can also stand in neutral while at the same time allowing the wheelbarrow to be accelerated gradually. In addition, a tire with a traction tread, can be used for the wheel so that the wheelbarrow has adequate traction in order to avoid becoming stuck in wet or rough terrain. The bed of the wheelbarrow is also capable of being pivoted upwardly in order to empty the bed without disrupting or upsetting the gasoline engine. The bed is easily removed so that various types of beds may be used interchangeably with the current invention. Those bed types include a flatbed, a bucket similar to that commonly used in the construction trades, and a stretcher-like bed which employs an additional set of handles on the front of the wheelbarrow.

Abstract: The tractor comprises a platform mounted on three wheels, one of which is a drive and steering wheel, and having pivotally mounted thereon a saddle member having shaped uprights which form a supporting structure for a hydraulic jack of the double-acting type the piston rod whereof has a yoke attached thereto, the two legs of the yoke being adapted to securely engage with the front wheel of a helicopter to be towed so as to drag the wheel along the saddle member.

Abstract: A double-safety arrangement for a self-propelled, hand-guided machine such as a duplex-vibratory roller equipped with a control column for facilitating control of the machine by an operator. The machine is also equipped with switching linkage actuable for engaging the machine for forward and rearward travel. The linkage has a neutral position to which it returns when no longer actuated for travel and whereat the machine is disengaged and comes to a halt. The double-safety arrangement includes an operating lever having a neutral center position and at least first and second travel positions for forward and rearward travel, respectively. A latching assembly is movable into a latched condition for transmitting the movements of the operating lever to the linkage thereby actuating the latter and into an unlatched condition whereat the linkage means is no longer actuable by the lever.

Abstract: A walk-behind garden tiller having a pair of ground wheels and a row of soil penetrating and pulverizing tines both powered from a single engine through a power transmission. The transmission includes a tilling drive mode in which the tines and drive wheels are simultaneously driven, a non-tilling reverse ground wheel drive mode, a non-tilling machine transport drive mode, and a neutral drive mode, all controlled by a single, simple push-pull lever which is adapted to automatically disengage power transmission to the tines when the tiller is operated in either the reverse, transport, or neutral drive modes.

Abstract: An auxiliary wheel is mounted on a lift truck caster wheel assembly to normally be carried above the floor, but to engage the floor to prevent overturning, thereby increasing the lateral stability of the truck.

Abstract: A driving vehicle by which a skater may enjoy skating by being pulled or pushed, said vehicle comprises a frame constituting a framework, a handle provided at the upper end portion of said frame, a rotary wheel means rotatably provided at the lower end portion of said frame and a prime mover mounted on one portion of said frame so as to drive said rotary wheel means, said handle is further provided with an accelerator operating portion for controlling rotational speed of said prime mover and a brake operating portion for braking said rotary wheel means.

Abstract: A control system for an industrial lift truck includes a housing, a cam plate rotatably mounted within said housing, and a plurality of switches urged against and riding on a surface of the cam plate. The cam plate is provided with grooves in its surface along a part of the paths defined by each switch traversing the plate. Accordingly, the movement of the plate actuates switches that are forced into or out of the corresponding groove. The closing and opening of switches produces signals which are used to select the speed and the drive direction of the lift truck.The cam plate can include detents which accommodate a ball as the cam is rotated to a position where the detent corresponds to the ball. The ball is urged into the detent by a spring. Consequently, the operator is able to select discrete speeds of the lift truck and the rotation of the cam plate is restricted.The control system can also include additional controllers for controlling other functions of the lift truck.

Abstract: A power driven ski vehicle of the ski bob kind is driven by a power ski having a pair of running surfaces on the undersides of the power ski for sliding engagement with the snow and for supporting a substantial portion of th weight of the vehicle and rider. Each of the running surfaces is disposed intermediate an outboard turning flange, located along the outer ski edge, and a central tunnel through which a propulsion track travels. Preferably, the running surfaces are inclined in the transverse direction and their inner edges define a pair of inner reaction or turning edges parallel to the outer turning flanges. The entry and exit ends of the tunnels are configured to reduce wear of the propulsion track as it enters and exits the underside of the ski and is changing its direction of travel.