| 摘要 |
PROBLEM TO BE SOLVED: To provide a tie shoulder cutter that does not require an experienced skill for cutting a protruded part of a shoulder, and enables cutting work to be performed in a short period of time.SOLUTION: A tie shoulder cutter includes: a saw body 11 for cutting a protruded part 3a of a tie shoulder 3 with a belt-form band saw 11a between a pair of band saw support parts 12, 12, by rotating the band saw 11a; the pair of band saw support parts 12 fitted on the saw body by being separated by a width of the protruded part 3a of the tie shoulder 3, to pass the protruded part 3a of the tie shoulder 3 therebetween; a pair of tapered rollers 13 fitted respectively on an undersurface side of the pair of band saw support parts 12, the tapered rollers pushing down the band saw 11a between the pair of band saw support parts 12, 12 lower than other parts of the band saw, such that the protruded part 3a of the tie shoulder 3 comes in contact with the band saw 11a and the band saw 11a does not come in contact with a top surface of a sleeper 2 at parts other than the part in contact with the protruded part 3a of the tie shoulder 3.SELECTED DRAWING: Figure 1 |
