| 摘要 |
Over-drill damper comprises spline shaft, spline bushing, elastic element, piston and sealing rings. Elastic element is arranged as set of elastic rings at one sides of which two or more bosses are arranged, and at the opposite side two ore more slots, respectively, are provided, with depth smaller than heights of bosses, the slots are placed symmetrically with respect to bosses at middle between the bosses. |
