1
Clark A Roberts, Sean E Howley: Transfer ring having advantaged cam follower-camming groove aspect and method. Davian Enterprises, Pitts Lake & Bell PC, January 10, 2012: US08091602 (5 worldwide citation)

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 operativel ...


2
Brian Painter: Anti-flex assembly. Davian Enterprises, Pitts & Lake P C, October 15, 2013: US08555944 (3 worldwide citation)

The “Anti-Flex Assembly” is an assembly for maintaining axial stability in a rotatable, expandable and collapsible drum used in tire manufacturing. A cylindrical rod with at least one helical groove is defined in the outer surface of the cylindrical rod and at least one hardened dowel is aligned so ...


3
JONES William A, HASSELL Stuart J: ENTRETOISE DE BLOCAGE ET PROCÉDÉ, LOCKING SPACER AND METHOD. DAVIAN ENTERPRISES, JONES William A, HASSELL Stuart J, HORTON Jacob G, March 8, 2012: WO/2012/031193 (2 worldwide citation)

A locking spacer for use with a tire building drum is disclosed. The locking spacer includes an arcuate panel having an outer surface, an inner surface, opposite first and second curved side surfaces, and opposite first and second straight end surfaces. The panel is sized and shaped to span between ...


4
William Jones, Stuart J Hassell, Robert L Marcus Jr: Expandable belt and tread drum with varied curvature segments. Davian Enterprises, Pitts & Lake P C, August 7, 2018: US10040262

An improved belt and tread drum incorporating an improved segment is disclosed. Segments are mounted in side-by-side relationship about a central axis for radial movement inwardly and outwardly with respect to the central axis and include arcuate outer surfaces that collectively define an outer circ ...


5
Brian Painter: Tire building drum having sequenced segment expansion. Davian Enterprises, Pitts & Lake P C, May 30, 2017: US09662847

A tire building drum is disclosed having first and second sets of deck segments, disposed in an alternating configuration about a central shaft. Each of the segments is mounted to a pair of axially movable hub units via an associated scissor linkage. The scissor linkages of the first segments are sl ...


6
Robert L Marcus Jr: Tire building drum with increased range of movement. Davian Enterprises, Pitts & Lake P C, January 2, 2018: US09855715

A tire building drum is disclosed. A thrust plate is mounted at a tapered end of a central shaft. An actuator is slidable along the shaft between first and second positions. Arcuate segments are arranged in a circumferential relationship about the shaft to define a working surface. First guide rails ...


7
Brian Painter: Bead lock arrangement. Davian Enterprises, Pitts & Lake P C, April 8, 2014: US08689848

This invention relates to a bead lock arrangement for use in tire building equipment, and to tire building equipment utilizing such a bead lock arrangement. A bead lock assembly is disclosed comprising first and second parallel, coaxial, axially spaced bead lock arrangements (13, 14), each bead lock ...


8
Clark A Roberts, Sean E Howley: Transfer ring having advantaged cam follower-camming groove aspect and method. Davian Enterprises, Pitts & Lake P C, April 22, 2014: US08701731

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 cam ...


9
William A Jones, Stuart J Hassell: Fully supported expandable deck. Davian Enterprises, Pitts & Lake P C, December 2, 2014: US08899292

An expandable deck comprises a plurality of elongated deck carriers mounted upon an expansion mechanism in a generally parallel and cylindrical formation. A fixed rod is mounted upon a first one of the deck carriers. A pivot rod is mounted upon an adjacent second deck carrier. A pivot segment define ...


10
Brian Painter: Quick Replacement Bearing Axle for Tire Transfer Ring. Davian Enterprises, February 9, 2012: US20120033906-A1

A bearing axle adapted to rotatably secure a mounting ring between opposing interior surfaces of respective spaced apart first and second housing rings of a tire transfer ring and to allow removal of the bearing axle from between the housing rings absent additional separation of the housing rings is ...