Mannesmann Rexroth Corporation

Rexroth-sigma

Michel Bessard

Manually operated remote control device comprising a body (1) enclosing at least one movable member generating a signal associated with an axially movable pushrod (2) projecting upwards from the body (1); a fixing plate (3) closing the top of the body and provided with at least one drilling (5) through which the abovementioned pushrod passes; a rocking cam (6) fixed to the top of the body (1) so as to cooperate with the projecting end of the pushrod (2) and control the movement of the latter; a grip (9, 10) secured to the cam (6) and incorporating at least one electric control member (11) to which is connected an electrical cable (12) passing through the abovementioned fixing plate (3) via an opening (13) in the latter; the opening (13) is elongate and runs transversely from one edge of the plate (3), opening out into the said edge, by virtue of which the electrical cable, preassembled and pre-equipped, can be put in place in the device by being inserted into the opening transversely from the edge of the plate.

Manual remote control device especially a fluid distributor

The fluid distributing device, more especially for remote control, comprises a body (2) having bores (3) with parallel axes in which are slidably mounted slide valves (4) associated in pairs and controlled by push-rods (5) actuated by an oscillating cam (6). Each slide valve bore (3) has a groove (8) connected to the pressurized fluid intake, each slide valve being combined with a chamber (9) limited by at least one transverse annular surface (b) of the slide valve and connected to the reservoir by a constriction. It comprises return devices (R) for each push-rod (5) adapted to maintain a first push-rod in abutment against the cam (6) when this latter tends to move away from the push-rod and each slide valve comprises, on its periphery, towards its end (15) remote from the push-rod, a recess (g) whose arrangement and length are such that before the end of the complete movement of the slide valve (4) when it is driven by the first push-rod, the recess establishes a connection between the pressurized fluid intake (8, P) and the chamber (9), the whole being such that there is a rise in pressure of the fluid in this chamber (9) which causes locking of the slide valve (4) and of the first push-rod (5) in the high position.

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Saint-Priest, France

Michel Bessard