| 摘要 |
A knee-pad or an elbow-pad has a body made of a layer of lining, a layer of buffer and a surface cloth by means of thermal pressing process. The body has an intermediate, an upper and a lower portion. The intermediate portion additionally has a bowl-shaped plate on an upper surface. The upper and the lower portion respectively have plural lateral ribs on the surface, and each of the ribs has elastic means consisting of an elastic tube and soft metal wires extending in the tube, and grooves are formed between every two ribs so that the body may be easily bent or straightened according to movement of the knee of a user.
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