| 摘要 |
PROBLEM TO BE SOLVED: To provide a master link of a track link having a simple structure, having strength and durability, facilitating manufacturing, and saving cost. SOLUTION: The master link comprises a link body having a space surrounded by each part of a rail surface, a shoe attaching surface, and a pair of coupling holes; a spacer inserted between the rail surface and the shoe-attaching surface of the space, slits opened to the space from the pair of the coupling holes of the link body; a bolt insertion hole in which a plurality of bolts attaching a shoe to the shoe-attaching surface is inserted, and formed on the shoe-attaching surface and the spacer; and a screw hole in which the bolt formed on the rail surface is screwed. COPYRIGHT: (C)2008,JPO&INPIT
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