Forklift Free Patent Search

  • Drive system and method for automotive vehicles, especially floor vehicles such as forklift trucks

    Forklift Abstract: A drive system for an automotive vehicle, especially an industrial floor vehicle such as a forklift truck, comprises an internal combustion engine, preferably a diesel engine, whose speed-controlling element (e.g. fuel-injection pu...

  • Forklift truck push-pull slipsheet handler for facilitating conversion of truck between slipsheet han

    Forklift Abstract: A push-pull slipsheet handler mountable on a standard hook-type lift truck carriage compatibly with load-handling forks mounted on the carriage. The slipsheet handler comprises a push-pull assembly and split platen, both of which r...

  • Battery voltage drop alarm device for a battery forklift truck

    Forklift Abstract: A battery voltage drop alarm circuit comprises a battery voltage drop detecting circuit, an alarm circuit, and an alarm cut off circuit. The battery voltage drop detecting circuit outputs an alarm instruction signal to the alarm ci...

  • Load condition indicating method and apparatus for forklift truck

    Forklift Abstract: An indicating method and apparatus of cargo load condition of a forklift truck. In this method and apparatus weight and centroid position of the loaded cargo are calculated by a calculation control circuit based on loads applied to...

  • Forklift vehicle

    Forklift Abstract: A self propelled forklift vehicle having a frame formed by two spaced parallel longitudinal frame members and a rear transverse frame member. The fork carriage is movable forwardly and rearwardly on the longitudinal frame members,...

  • Load securing assembly for a forklift truck

    Forklift Abstract: A gravity operated load stabilizing device is provided for use with forklifts the device comprising an inverted J-shaped member which engages the load by gravity when the fork is raised and is disengaged from the load when the fork...

  • Crane/hoist forklift-type lifting apparatus

    Forklift Abstract: A crane forklift-type lifting apparatus comprises a pair of C-shaped claws or forks and integral frame structure and is adapted to be initially supported from an over-center spring-loaded device for improved accommodation to varyin...

  • Forklift-type lifting apparatus

    Forklift Abstract: A forklift-type lifting apparatus comprises a pair of C-shaped claws or forks and integral frame structure and is adapted to be initially supported from a center spring-loaded cable. The center or point of balance cable assumes a t...

  • Mast channel member configuration of forklift truck

    Forklift Abstract: A mast structure of a forklift truck is composed of two vertically and parallelly extending channel members each of which has front and rear flanges. The thickness of the rear flange is so larger than that of the front flange that...

  • Forklift truck push-pull slipsheet handler for facilitating conversion of truck between slipsheet han

    Forklift Abstract: A push-pull slipsheet handler mountable on a standard hook-type lift truck carriage compatibly with load-handling forks mounted on the carriage. The slip-sheet handler comprises a push-pull assembly and split platen, both of which...

  • Forklift attachment

    Forklift Abstract: A fork extension attachment for a boom-type forklift for use in loading and unloading a fragile cargo from commercial containers includes an extension portion pivotally connected to the outer end of the boom to allow pivotal moveme...

  • Mast assembly for a forklift

    Forklift Abstract: A forklift mast assembly for attachment to a self propelled vehicle includes a pair of outer masts horizontally spaced from each other, and a pair of inner masts disposed just inwardly of the outer masts for up and down rolling mot...

  • Forklift linkage device

    Forklift Abstract: An improved forklift linkage device of the type engageable with the forwardly-extending forklift tines. The linkage device includes a horizontal frame having a front tool-supporting portion and a rear securing portion extending rea...

  • Forklift variable reach mechanism

    Forklift Abstract: A mechanism for use on a boom-type vehicle includes load lifting forks carried by a low profile twist-resistant carriage which is one link in a low profile parallelogram linkage attached to a fly section of the boom and maintained...

  • Forklift truck push-pull slipsheet handler for facilitating conversion of truck between slipsheet han

    Forklift Abstract: A push-pull slipsheet handler mountable on a standard hook-type lift truck carriage compatibly with load-handling forks mounted on the carriage. The slipsheet handler comprises a push-pull assembly and split platen, both of which r...

  • Accessory for expanding the payload capacity of a forklift

    Forklift Abstract: An improved forklift apparatus can be provided by utilization of a forklift extension kit including an elongated base member that is removably attached to the forks of the forklift vehicle. Auxiliary fork assemblies are releasably...

  • Hydraulic driving circuit for a forklift truck

    Forklift Abstract: An improved hydraulic driving circuit for a forklift truck is disclosed. The flow control valve for controlling the rate of descent of the inner masts and the safety descent valve for preventing sudden descent of the inner masts ar...