| 摘要 |
A paper spring is provided to be environment-friendly by using papers, to prevent a user from getting wounded, and to facilitate works for recycling the paper springs by excluding an adhesive agent. A paper spring is composed of ring units(10) separated from each other and aligned in a line, bent in a ring form, and provided with first combining parts(17) at one end and a base unit(20) extended from the other ends of the ring units, integrally connected, and provided with second combining parts formed correspondent to each position of the first combining parts and joined with the first combining parts. The ring units and the base unit are made of paper. The first combining part has plural portions with different widths. The second combining part has plural portions with different widths engaged with the first combining part.
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