Patent ID: 6247242
Filing Date: 2001-06-19
Classification: G01D

Abstract:
A mechanism for detecting position of a movable member, comprising:a fixed member;a movable member slidably mounted on the fixed member so as to be moved in a predetermined direction;a linear sensor attached to the fixed member;a slider slidably mounted on the linear sensor so as to be moved in the predetermined direction;a first gear pivotally mounted on the slider;a fixed rack attached to the fixed member at one of sides of the linear sensor extending in the predetermined direction;a movable rack slidably mounted on the fixed member and connected to the movable member at the other side of the linear sensor so as to be moved in the predetermined direction disposed in parallel with the fixed rack;the first gear being engaged with the fixed rack and the movable rack; anddriving means for moving the movable member in the predetermined direction.