Patents by Inventor Robert W. Forsyth

Robert W. Forsyth has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4813466
    Abstract: An improved support track assembly for both protecting and improving the flotation and mobility of the resilient wheels of a vehicle is disclosed herein that comprises both a manually operable retention assembly for fastening the track into an endless belt around the vehicle wheel, and a track storage reel that conveniently positions the track under the wheel and in alignment therewith prior to installation. The improved support track is formed from a plurality of track members that are pivotally interconnected by means of connector pins, and the retention assembly is formed from a retaining pin having a first end that is transversely insertable into a track member in a connector-pin capturing position, and a second pin formed from a resilient loop of spring steel. When the retaining pin is inserted into a pin-capturing position, the terminus of the loop is resiliently biased in a latching position.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: March 21, 1989
    Assignee: Vehicle Systems Development Corporation
    Inventors: Robert W. Forsyth, John P. Forsyth
  • Patent number: 4593855
    Abstract: The invention provides a modular fire fighting apparatus which may be quickly and easily mounted onto an ordinary pickup truck, and conveniently operated by the vehicle driver from the cab of the vehicle. The module generally includes a pump coupled to an engine for pumping a fire-retardant liquid, a control means for regulating the amount of liquid pumped, and a reservoir tank fluidly connected to the pump. The frame of the apparatus both unitizes the pump, engine and tank, and positions the engine and pump controls within the reach of the operator when the operator is in the cab of the vehicle. The invention further includes a tank level indicator including a transparent conduit and an elongated float engaged onto a guide rod in the tank for providing a visual display of the tank level which is positioned so that it may be observed through the rear-view mirror of the truck.
    Type: Grant
    Filed: January 24, 1984
    Date of Patent: June 10, 1986
    Assignee: Vehicle Systems Development Corporation
    Inventor: Robert W. Forsyth
  • Patent number: 4408646
    Abstract: A wheeled vehicle flotation augmentation device is disclosed herein having at least elongated segments releasably connected together in a continuous and endless series of track block guides so as to form a circular tread about the periphery of a single wheel of the vehicle. The plurality of track block guides in the series are hingably coupled together and the adjacent ends of each segment of track block guides are joined by releasable pins. Each track block guide includes a flat base having outwardly projecting and spaced apart side horns which are separated by the wheel of the vehicle. The terminating tips of the side horns are rounded to aid in projecting a load bearing track block beyond full tire contact and so provide increased ground contact length or aspect ratio in soft-soil or snow environments.
    Type: Grant
    Filed: November 2, 1981
    Date of Patent: October 11, 1983
    Inventor: Robert W. Forsyth
  • Patent number: 4083621
    Abstract: An extension cord apparatus is disclosed herein having a length of electrical cord with a plug attached at one end and plurality of electrical sockets attached at the oposite end. The length of cord is trained about the body or core of a reel rotatably mounted on a supporting frame. The sockets or receptacles are carried in a box mounted on the end of a spindle forming a part of the reel and a cover is pivotally attached to the box constituting a handle when extended outwardly from the box for the purpose of winding the length of cord onto the reel from its extended position. A guide and strain relief for the cord is carried on the frame as well as a handle for transporting the apparatus from place to place.
    Type: Grant
    Filed: January 12, 1977
    Date of Patent: April 11, 1978
    Inventors: William C. Davidson, Robert W. Forsyth
  • Patent number: 3966220
    Abstract: Transportation Apparatus is disclosed herein involving a system whereby small electrically driven vehicles are carried in a transporter vehicle. A loader is movably mounted on the transporter for loading and unloading the small vehicles onto the transporter in selected storage spaces. Each small vehicle is provided with a telescoping frame for shortening the wheelbase for storage purposes and for extending the wheelbase for independent vehicle operation on surface roadways. The transporter vehicle and small electrically driven passenger vehicles are adapted to operate combined on, or independently use in common, traffic arteries such as highways or expressways and surface streets.
    Type: Grant
    Filed: January 7, 1974
    Date of Patent: June 29, 1976
    Inventors: Robert W. Forsyth, John P. Forsyth
  • Patent number: 3933258
    Abstract: A vehicular transportation system and apparatus therefor is disclosed herein wherein small electrically driven passenger vehicles are carried as a group in a transporter or carrier vehicle. Extendable ramps are carried on the transporter vehicle which may be deployed from either end of the vehicle body for loading and unloading the passenger vehicles along a pair of parallel storage decks. Locking mechanism selectively secures each passenger vehicle in a storage space on the transporter vehicle while a separate conduit system for conducting conditioned air to the stored passenger vehicle is provided between the roof of the passenger vehicle and the transporter vehicle body. The transporter vehicle and electrically driven passenger vehicles are adapted to operate as a combined unit, substantially reducing fuel consumption, air pollution, and congestion, or independently as separate elements, on traffic arteries such as highways or expressways or surface streets.
    Type: Grant
    Filed: January 2, 1974
    Date of Patent: January 20, 1976
    Inventors: Robert W. Forsyth, John P. Forsyth