| 摘要 |
Provided is a driving jig for a closing cap which makes it possible to drive a closing cap straight into a bolt installation hole (11) formed in a track rail (1) and which allows this driving operation to be quickly repeated on a plurality of bolt installation holes (11). The jig includes a driving piston (73) and a guide holder (72) for maintaining the driving piston (73) in a predetermined attitude with respect to the track rail (1). The driving piston (72) has a pressing portion (75) coming into contact with an upper surface of the closing cap (70), and a hammering portion (74a) to be hammered by a tool. The guide holder has a cylinder (72a) in which the driving piston (73) slides, and has, at an opening at one end of the cylinder, a guide groove (77) into which an upper portion of the track rail is loosely fitted and which is orthogonal to an axial direction of the cylinder. The guide holder is provided with a receiving opening (72b) through which the closing cap protruding beyond the track rail is received into the cylinder.
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