Patent ID: 9194477
Filing Date: 2015-11-24
Classification: F16H,G01N,Y10T

Abstract:
1. A motion guide device comprising: an elongated member including a groove formed on an outer peripheral surface thereof, a movable member including a bore formed therein for receiving said elongated member and for movably attaching onto said elongated member, and said movable member including a groove formed therein and aligned with said groove of said elongated member for forming a ball guiding passage between said elongated member and said movable member, and said movable member including a hole formed therein, said hole of said movable member being a screw hole, a plurality of ball bearing members disposed in said ball guiding passage that is formed between said elongated member and said movable member for facilitating a sliding movement between said elongated member and said movable member, a detecting device including a magnetic member engaged into said screw hole of said movable member, and an insulated tube engaged into said screw hole of said movable member and engaged between said movable member and said magnetic member for spacing said movable member and said magnetic member from each other, said insulated tube including an outer thread engaged with said screw hole of said movable member for detachably mounting said insulated tube of said detecting device to said movable member, and a warning device coupled between said movable member and said magnetic member for selectively generating a warning signal when said movable member and said magnetic member are selectively and electrically connected together with worn particles.