Patent ID: 6062837
Filing Date: 2000-05-16
Classification: B29C,B29D,B29L

Abstract:
A central mechanism for a tire vulcanizer, which uses a both-end open type bladder, comprising:a housing;a plurality of clamp rods slidably inserted into the housing;a post cylinder for vertically expanding and contracting a bladder assembly located in a lower part of the housing;a post having a bottom end affixed to the post cylinder;a claw mechanism for detachable engaging an upper end portion of said clamp rods with a lower ring of said bladder assembly;an upper ring spaced vertically from the lower ring, said upper ring including means for securing an upper end of said post, said means for securing includes a hole in the upper ring, and a convex portion in the upper ring for regulating an insertion length of the upper end of the post into such hole;wherein the upper end of the post includes a horizontal hole and the upper ring includes a horizontal hole with a pin located in each horizontal hole.