Davian Enterprises, LLC

Wyko, Inc.

Sean E Howley

Clark A Roberts

Mark S Byerley

A transfer ring suitable for use in the manufacture of vehicle tires including a skeletal cylindrical cage which houses an oscillatable circular drive member. The drive member includes a plurality of cam followers disposed about the outer perimeter thereof and which operatively engage respective camming grooves defined in each of a plurality of hinged driven links which are individually hingedly mounted internally of the cage about the outer perimeter of the cage. Each driven link includes an inboard end hinged within the cage and an outboard end having an articulating shoe mounted thereon. The shoes are interconnected to provide like simultaneous substantially equal articulative and rotational movement of the shoes radially inwardly or radially outwardly of the cage upon rotational movement of the drive member and resultant rotational movement of the hinged driven links effected through the cam followers and camming grooves of the driven links.

Transfer ring having advantaged cam follower-camming groove aspect and method

A transfer ring especially suitable for use in the manufacture of vehicle tires including a skeletal cylindrical cage which houses an oscillatable circular drive member therewithin. The drive member includes a plurality of cam followers disposed about the outer perimeter thereof and which operatively engage respective camming grooves defined in each of a plurality of hinged driven links which are individually hingedly mounted internally of the cage about the outer perimeter of the cage. Each driven link includes an inboard end hinged within the cage and an outboard end having an articulating shoe mounted thereon. The shoes on the several driven links are interconnected to provide like simultaneous substantially equal articulative and rotational movement of the shoes radially inwardly or radially outwardly of the cage upon rotational movement of the drive member and resultant rotational movement of the hinged driven links effected through the cam followers and camming grooves of the driven links.

In accordance with one aspect of the present invention there is provided apparatus and a method for converting circular motion to radial motion. In one embodiment of the apparatus of the present invention, a mandrel is provided which includes a generally circular tubular housing. Internally of the tubular housing there are disposed a plurality of partitions which are anchored at spaced apart locations about the toroidal dimension of the housing and which define fixed fluid-tight seals across the cross-sectional area of the housing. Within the chamber defined between adjacent ones of the partitions, there is provided a piston member, each piston member has operatively associated therewith the proximal end of a linkage adapted to convert circular motion of its piston member within the housing into radial movement of the distal end of the linkage.

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Maryville, TN, United States of America

Sean E Howley