Abstract: A switch for providing signals indicating the position of a rotary shaft has an enclosed switch chamber. Within the chamber is at least one magnetically actuated switch device. A switch actuating magnet is mounted in a holder exterior of the chamber and coupled to the switch through a wall of the switch housing. The holder is flexibly mounted to the housing and connected to the rotary shaft. The magnet is held in a constant rotational plane with respect to the switch.

Abstract: A shaft position indicator in which the mechanical position of switch actuation is variable with the control of the switch actuators. The switch actuators are controllable through a series of setable cam operated screws or non-mechanical contacts that intercept the switch actuators as they are moved from one position to another, the movement of the cam operated screws overlapping the travel of the switches during one revolution of a lead screw moving the cam operated screws. The input shaft rotation is field adjustable to accept input rotations from 1 to 25 or more revolutions, resulting in accuation of the switch in output performance.

Abstract: A switch device (10, 10') which is responsive to various pressures is disclosed. The device (10, 10') includes a housing (18, 18') and plurality of switches (102, 104, 106, 168, 170, 172). A flexible diaphragm (40, 40') is supported external of the housing (18, 18') and has a first face adapted to face a pressure source and a second face facing an external wall (56, 56') of the housing (18, 18'). A plurality of first magnets (46, 48, 50, 182, 184, 186) are connected to the diaphragm at different locations thereon. A plurality of second magnets (108, 110, 112, 174, 176, 178) are supported in the housing and are each connected to one of the switches for activating a respective switch. Each of the second magnets is disposed adjacent one of the first magnets to form a plurality of pairs of first and second magnets whereby the motion of one of the first magnets of one of said pairs causes the second magnet of said last-mentioned pair to move and activate one of the switches to which it is connected.