| 摘要 |
A method and structure for a piston suspension system for tooling used during shaping of a metal can blank. An integral cylinder housing member is provided with two cylindrical opposing chambers having different diameters. Axial bores are located in sidewalls of a first chamber to receive pushrods extending into the second chamber. A piston is provided in the second chamber for tensioning support of the pushrods. Resilient members are arranged to provide tensioning support for the integral cylinder housing member substantially independent of the piston member and the pushrods.
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