Tire press

Details Tire press Tire press

1996-08-08

1998-04-28

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

Reshaping, resizing or vulcanizing means for tire, tire...

Sectional female mold including locking or clamping assembly...

425 281, 425 341, B29C 3502

Patent

active

057441693

ABSTRACT:
A tire press in which a pair of upper and lower molds are opened/closed and squeezed by an operation of a crank mechanism is disclosed. Especially, the tire press is improved in the aspects of its machine accuracy, strength, size, and maintenance. The tire press has: a pair of upper and lower molds; a base for supporting the lower mold; side frames on both sides of the base; a side slot vertically extended in each of the side frames; a top slide which slides along the side slots and holds the upper mold; and a crank mechanism for moving the top slide only in the vertical direction. The crank mechanism includes: a crank gear; a lever attached to the crank gear and whose front and is positioned on the outer side of the outer diameter of the crank gear; and a link connecting a crank fulcrum at the tip of the lever and the top slide sliding along the side slots. The side slot vertically extends parallel to a vertical central line crossing the center of rotation of the crank gear and the crank fulcrum. Projected in the central portion through the pair of upper and lower molds are adjusted to an optional height.

REFERENCES:
patent: 2904831 (1959-09-01), Frohlich

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