Patent ID: 9046129
Filing Date: 2015-06-02
Classification: F16C

Abstract:
1. A circulation module of a linear guideway for being installed on a sliding block, the circulation module comprising: two circulation tubes, wherein each circulation tube includes a straight portion and two U-like cornering portions respectively extended from two opposite ends of the straight portion, and one of the cornering portions of each circulation tube has a fill-in opening formed on a portion thereof adjacent to the straight portion, wherein the straight portion of each circulation tube is configured for coupling through the sliding block, and the cornering portions of each circulation tube are configured for respectively protruding out of two opposite ends of the sliding block; two rolling units each having a plurality of rolling pillars, wherein the two rolling units are respectively arranged into the two circulation tubes via the fill-in openings; and two separating sheets respectively installed on the circulation tubes to shield the fill-in openings, wherein when the circulation tubes are coupled through the sliding block, the fill-in openings respectively expose from the two opposite ends of the sliding block, the cornering portions having the fill-in opening of each circulating tube is arranged farther away from the sliding block than the adjacent other cornering portions without the fill-in opening of another circulating tube.