| 摘要 |
PROBLEM TO BE SOLVED: To re-use a roller guide when the operation of a safety block is released. SOLUTION: This safety block 11 which brakes a car by holding a guide rail 6 and is slightly moved with respect to the guide rail 6 when the guide rail is held, and a roller guide 1 which is integrated with the safety block 11 and has a roller 2 in contact with the guide rail 6 are provided, and the roller 2 pressed against the guide rail 6 when the roller guide 1 is slightly moved together with the safety block 11, is mounted on the roller guide 1 so as to be slightly moved.
|
