Patent ID: 6185828
Filing Date: 2001-02-13
Classification: F16K

Abstract:
An apparatus for providing a signal indicating a position of a servo drive, said apparatus comprising:a housing;a switching shaft rotatably supported in said housing so as to be rotatable about a central rotation axis;at least one switch arranged in said housing; andat least one switching member mounted on said switching shaft and adapted to actuate said switch dependent on a rotational position of said switching member;wherein said switching shaft includes at least one elastically movable section that is elastically movable toward and away from said central rotational axis, and that has an external gearing provided thereon over a portion of a circumference of said shaft; andwherein said switching member has an opening into which said shaft extends, and an inner wall of said opening has provided thereon an internal gearing that is selectively engaged with said external gearing, so that said switching member can be selectively positioned at any selected one of a plurality of angular positions relative to said switching shaft and then held in said selected angular position by said internal gearing selectively engaged with said external gearing.