Abstract: A multi-section, foldable land plane is foldable between a relatively narrow, transportable position, and a wider, deployed position for leveling field irregularities. A central, wheeled frame is adapted to be drawn by a conventional tractor. The frame, constructed of a network of tubular steel members, supports a pair of lateral wings which can be selectively folded and unfolded over the central frame. Folding of the wings is controlled by a system of hydraulic cylinders. The hydraulic cylinders are coupled to pivotal cam arms that control upward and outward rotation of the wings relative to the frame. A deflection compensation system insures proper wing movement during movements. An automatically actuated locking system prevents undesired deflection of the wings during operation. The locking system is activated by a second pair of hydraulic cylinders that control a master locking position that is linked to remote, slave locking positions by an elongated synchronizer.

Abstract: A apparatus for the control of a transmission and throttle of a forklift or the like to provide simultaneous control of a transmission position and the throttle position.The apparatus includes a reciprocally and rotatably moveable control rod and a transmission control lever oppositely reciprocable from a neutral position to forward and reverse displacement positions, coupled to and responsive to the movement of the control rod in first and second translational passageways. A throttle control lever is also coupled to and responsive to the movement of the control rod for controlling the throttle responsive to movement of the control rod in the first and second translational passageways and in a third translational passageway. The third translational passageway is defined by first and second wall members which are substantially parallel. The first and second passageways are formed by the first wall member and a fourth wall member and the second wall member and a third wall member respectively.