Patent ID: 6925958
Filing Date: 2005-08-09
Classification: F15B,F16K,Y10T

Abstract:
1. A driving device comprising a drive shaft that is rotatably supported in a housing, a position indicator for said drive shaft, and a cam on the drive shaft, the cam having a cam surface that mates with one end of a feeler pin that extends perpendicularly to the drive shaft, the one end of the feeler pin being pressed against the cam surface under spring pressure such that movement of the feeler pin in its longitudinal direction, which is effected by the cam surface upon rotation of the drive shaft, provides an indication of the angular displacement of the drive shaft, the feeler pin being movably supported in a support member that is movable in a direction perpendicular to the central axis of the drive shaft, and the support member being pressed against a surface that extends concentrically about the central axis of the drive shaft under spring pressure.