PROTECTIVE TUBE FOR A COIL SPRING CAPABLE OF PREVENTING THE INFLOW OF FOREIGN MATERIALS INTO BETWEEN A COIL SPRING AND A PROTECTIVE TUBE

摘要

PURPOSE: A protective tube for a coil spring is provided to effectively block the inflow of foreign materials by having a structure without cut portions.;CONSTITUTION: A protective tube(110) for a coil spring has a closed loop structure completely surrounding a wire rod of the coil spring. The protective tube is extended along a placing portion of the coil spring in order to be coupled with the coil spring. The inner diameter(D1) of an inlet is larger than the inner diameter(D2) of an outlet. The inner diameter tapers from the inlet to the outlet in order to reduce the inner diameter.;COPYRIGHT KIPO 2013