| 摘要 |
PROBLEM TO BE SOLVED: To provide a buffer capable of stably performing uniformed buffer action while facilitating variation adjustment, without needing large strength.SOLUTION: A buffer includes: a spiral spring 3 around which a thin plate material is wound for a plurality of time; and a holding member 4 in which formed is spring reception parts 57, 67 that an outer peripheral part 31 of the spiral spring 3 contacts, and one or plural spiral springs 3 are stored. In the buffer, a load from a structure is transmitted from the holding member 4 to the spiral spring 3.SELECTED DRAWING: Figure 1 |
