| 摘要 |
PROBLEM TO BE SOLVED: To cope with shape change and make shaping effective by unitizing a zigzag shape in making a cushion net by knitting wires folded and bent in a zigzag shape. SOLUTION: In the cushion spring secured to a seat plate frame for a vehicle and elastically supporting a seat plate member, the cushion spring member comprises a wire spring forming unit shape bodies constituted by folding and bending a straight spring wire into a substantially C-shape having relative R in a bent corner portions by press shaping at a proper interval and connecting members attached to the wire spring and fixed by clips, a front engaging structure and a rear engaging structure engaged with the seat plate frame in a tension state are arranged in the front end and rear end of the wire spring, the front engaging structure is an engaged portion engaged with a hook arranged in the front portion of the seat plate frame and the rear engaging structure is a crane neck body engaged with a bar arranged in the rear portion of the seat plate frame, and additionally buffering structure having noise reduction effect is applied to the hook and bar in the engaged portion and the crane neck portion. COPYRIGHT: (C)2009,JPO&INPIT |
