Abstract: A horizontal gliding chair has a flat seat and a seat back located at an angle of approximately 75 degrees to the seat back. Connected to the seat are four symmetrically placed brackets that are connected to four shoulders. The shoulders pivot slightly within the seat brackets. Four symmetrically placed arcuate rocking members are connected to the shoulders, respectively, by legs. The front right and left rocker feet are connected to each other. The rear left and right connecting feet are connected to each other. The front and rear rocker feet are also pivotably connected to each other by a brace connector. The base of the seat back is located in front of the rear brace pivot hole. The chair seat moves in a horizontal front and back direction. During this motion, the cooperation between the rocker feet, braces and rocker connector allows the seat to travel forward or backward in a smooth, horizontal motion.

Abstract: A hydraulic control valve provides controlled fluid supply for two hydraulic services having different flow and pressure requirements, as for example a lift service of a lift truck for lifting loads vertically and a tilting service for tilting loads forwardly and rearwardly. Two landed spools operate in parallel adjacent bores each joining a plurality of chambers and connected to fluid pressure supply and tank service ports. The supply to port communicating with one of the bores through two of the chambers, so that flow area is increased and the pressure drop of fluid flowing through them is reduced, and is connected through the bore and chambers to the tank port when the respective spool is in a neutral position and selectively to the service ports by movement of the spool.