| 摘要 |
PURPOSE: An anchorage device is provided to prevent rivet nut type foot members from separating from a rail because the top of a head part of the rivet nut type foot members contacts with the inner surface of a slot. CONSTITUTION: An anchorage device comprises a body(110), rivet nut type foot members(120), and locking members. Through-holes(114) are formed at the bottom of the body along a longitudinal direction with same pitch as a groove portion of a rail. The multiple rivet nut type foot members have a hollow head portion(122) and a hollow extended portion(124). The locking member fixes the position of the body on the rail.
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