| 摘要 |
PROBLEM TO BE SOLVED: To reduce friction and impact caused by contact of a landing sleigh part in an airframe lower part of a helicopter with a cable or the like suspended from an airframe to prevent a sleigh and the cable from being damaged, and enhance safety at the time of cable suspension. SOLUTION: In this sleigh protecting structure, a cylindrical guard roller 8 having a cylindrical wall comprising a metal inner layer part and a synthetic resin-made outer layer part is attached rotatably to a support part of an attaching base 7 fixed onto a sleigh part 3 in the sleigh part 3 of a helicopter, via a bearing member, and a longitudinal-directional intermediate part of the guard roller 8 is supported by an auxiliary roller 19 attached rotatably to the base 7.
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