ATTACHING DEVICE FOR END OF SPRING

摘要

There is disclosed an attaching device (6) for fixing an end portion (7a) of at least one spring (7) for supporting a cushion for a seat, to a seat frame of the seat, wherein the seat frame includes opposing seat frame sections, one of the opposing seat frame sections being formed from a round shaft (3), the at least one spring being stretched between the opposing seat frame sections, and the end portion of the at least one spring being formed substantially in a U-shape in outline. The attaching device (6) comprises a resin-made collar (6a) of a substantially reverse U-shape in cross-section adapted to be fitted over the round shaft (3) and a metal-made retainer (6b) including a body (60) having a geometry of similar figure with the collar and adapted to be fitted over the collar on the round shaft, and at least one pair of inner and outer spring engagement pieces (61, 62) provided at both edges of the body, the inner and outer spring engagement piece extending downward from the both edges of the body and bent laterally outwardly at lower ends thereof. A first axial region (71) and second axial region (72) of the substantially U-shaped end portion (7a) of the at least one spring (7) are adapted to be engaged with the inner spring engagement piece (61) and the outer spring engagement piece (62), respectively, whereby the end portion of the at least one spring is adapted to be fixed to the round shaft through the attaching device.