Patent ID: 6371648
Filing Date: 2002-04-16
Classification: F16C

Abstract:
A linear guide device comprising a guide rail having a first groove portion extending axially and supporting a plurality of rolling members for rolling therein, and a slider having a second groove portion opposed to said first groove portion to provide a space in which said rolling members roll and a circulation path communicating with said space formed by the first and second groove portions and forming an endless track for circulating said plurality of rolling members therein, and supported on said guide rail through said rolling members in said second groove portion and sliding on said guide rail by said plurality of rolling members rolling in said space, said slider being comprised of a slider body having said second groove portion and a circulation path straight portion independently of said second groove portion, and two end caps mounted on opposite end portions of said slider body and having circulation path curved portions to provide said endless track by being communicated with each other in opposite end portions of said space formed by said first and second groove portions and said circulation path straight portion, characterized in that said end caps further having, at an opening portion of said circulation path curved portions communicating with said circulation path straight portion, a first convex portion disposed so as to extend said circulation path curved portions toward said circulation path straight portion, a part of said circulation path curved portions, including said first convex portion is composed of surfaces that are one-piece portions of said end caps, and another part is composed of surfaces of return guides on said end caps, said return guides have in the opening portion of said circulation path curved portions communicating with said circulation path straight portion a second convex portion disposed so as to extend said circulation path curved portions toward said circulation path straight portion, said first convex portion of said end caps and said second convex portion of said return guides form a substantially cylindrical convex portion, and said slider body has in an opening portion of said circulation path straight portion communicating with said circulation path curved portions a substantially cylindrical concave portion to receive said substantially cylindrical convex portion for said slider body and said end caps to constitute faucet-fitting.