| 摘要 |
PURPOSE: An anchor bolt assembly for fastening a rail is provided to prevent the abrasion of an anchor bolt by preventing the inflow of moisture into the joint of an anchor bolt and an inner bolt cover. CONSTITUTION: An anchor bolt assembly for fastening a rail comprises an anchor bolt(10), an outer bolt cover(20), an inner bolt cover(25), a sealing washer(30), and a spring(35). The anchor bolt comprises a screw part and a head part(13). The outer bolt cover is reclaimed to a concrete floor and is inserted with the inner bolt cover. The inner bolt cover is inserted with the screw part of the anchor bolt. The sealing washer prevents the inflow of moisture into the inner bolt cover. The spring is inserted into the outer bolt cover and pressurizes and supports the inner bolt cover. |
