| 摘要 |
A resilient device (30) made from a resilient sheet material, the device having a mounting portion (32) and two flanges (36) each bent in a first direction from the mounting portion, the flanges being substantially parallel and being spaced apart from each other by the mounting portion, the flanges and mounting portion together forming a substantially U-shaped profile, the device further including an arm (34) bent in a second, opposite, direction from the mounting portion, through substantially 180 degrees to lie adjacent to the mounting portion, the arm having a wavy shape having at least a crest portion (40A) and a trough portion (40B). <IMAGE> |
