CHUCK ASSEMBLY IN A LOADER OF A TIRE VULCANIZER FOR CONVEYING AND INSERTING GREEN TIRES

摘要

This invention relates to a chuck assembly for use in a loader of a tire vulcanizer, comprising: a ring-shaped chuck main casing comprising an inner cylinder having a diameter sufficiently large to allow a press center mechanism comprising a centre post and a bladder to axially pass therethrough, an outer cylinder concentrically surrounding the periphery of said inner cylinder and an upper cover connecting said inner and outer cylinders; rails radially aligned between said inner and outer cylinders in said main casing; a plurality of chucking paddles held by sliders slidably extending on a respective one of said rails for movement along said rails; and a ring-shaped chuck cam disposed rotatable about a rotation axis of said inner cylinder in said chuck main casing wherein slider shafts of respective ones of said paddles are slidably engaged with working cam grooves radially aligned in said chuck cam.