Tire press and loader

Details Tire press and loader Tire press and loader

1985-12-04

1986-10-21

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

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

Toroidal or annular female shaping means and coacting means...

B29H 502

Patent

active

046183205

ABSTRACT:
A tire press and loader achieves precision and accuracy in positoning an uncured tire on or near the bottom mold section after the top mold section has been moved to open the press. The loader utilizes a horizontally movable carriage which is mounted on a track system for shuttling between a pick-up and loading position through the action of a cable piston-cylinder assembly. The track system includes a rod rail at one side with preloaded spaced ball bushings riding thereon and a channel rail at the other side with three spaced rollers riding therein with the center roller being eccentrically loaded against one side of the channel in turn to load the other rollers against the opposite side of the channel. A pair of loader chucks are mounted on the lower ends of vertically movable posts which are each supported by vertically spaced sets of three rollers on the carriage. Vertical motion of the posts is obtained by a rack and pinion system with an electric motor and brake drive which drives the pinions through a non-back driving worm reducer transmission. The pinions engage racks mounted on the posts. In this manner uncured tires may be positioned in the press in a short cycle time with a high degree of repeatable precision.

REFERENCES:
patent: 3065503 (1962-11-01), Mallory et al.
patent: 3309737 (1967-03-01), MacMillan
patent: 3380115 (1968-04-01), Soderquist
patent: 3550196 (1970-12-01), Gaguit
patent: 3924983 (1975-12-01), Barton et al.
patent: 4025251 (1977-05-01), Cantarutti
patent: 4131402 (1978-12-01), Pirovano
patent: 4169698 (1979-10-01), Turk et al.
patent: 4279438 (1981-07-01), Singh

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