Variable width tire building drum with interdigitated shoes

Details Variable width tire building drum with interdigitated shoes Variable width tire building drum with interdigitated shoes

1978-10-25

1980-05-20

Kittle, John E.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Tire body building type

156417, B29H 1716

Patent

active

042037948

ABSTRACT:
An annular tire building drum having an infinitely variable width for use in a tire building machine includes a hub rotatable about an axis of rotation and an annular fluid expandable tube supported on the hub. The tube includes support means disposed on the exterior surface thereof. A plurality of pairs of shoe members are supported on the support means for movement in a radial direction upon expansion and contraction of the tube. The shoe members define an annular tire building surface. One of the shoe members of each pair of shoe members is movable in a first direction parallel to the axis of rotation and the other shoe member of each pair is movable in a second direction opposite the first direction to infinitely vary the axial width of the building surface. The support means includes guideway means and each of the shoe members includes a guide member attached thereto. The guide members are received in the guideway means and cooperate therewith to prevent movement of the shoe members in a radial direction relative to the support means and provide for relative movement in a direction parallel to the axis of rotation between the shoe members and the support means.

REFERENCES:
patent: 1860342 (1932-05-01), Heston
patent: 2653645 (1953-09-01), Frazier
patent: 3077917 (1963-02-01), Appleby
patent: 3160546 (1964-12-01), Burton
patent: 3467567 (1969-09-01), Woodhall
patent: 3492184 (1970-01-01), Brey et al.
patent: 3503829 (1970-03-01), Menell et al.
patent: 3526561 (1970-09-01), Benns
patent: 3867231 (1975-02-01), Casey
patent: 3948717 (1976-04-01), Suzuki et al.

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