| 摘要 |
PROBLEM TO BE SOLVED: To eliminate defect of a unit to allow its movement between mutually fixing parts to always generate noise even though amplitude is small at the time of using it especially on an automobile when it receives vibration. SOLUTION: This unit is furnished with two parts to be assembled, a roughly cylindrical plug 6, a support body 12 furnished with a click 28, a rotary guide means 14 of a ring against the support body and an elastic means connected to the ring and the support body. This unit is additionally furnished with a spiral ramp 26 devised to receive the click provided on an outer peripheral surface of the plug, and the spiral ramp is furnished with a first part 30 and a second part 32 each of which has a screw thread in the opposite direction. COPYRIGHT: (C)2003,JPO |
