| 摘要 |
In a cell cover according to the present invention, a compressed coil spring formed by deforming a linear elastic member is fixed to a plate member provided with a raised bent portion as a projection on a first side. The raised bent portion engages with an engagement part comprising a plurality of extended portions and bent portions of the compressed coil. A spring of the compressed coil is formed on a second side of the plate member. A spring seat winding at the bottom of the spring is pressed to the end face of the plate member.
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