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US 4,360,335 AGranted
Molding press for semi-pneumatic tire bodies and the like
AssigneeSun Metal Products, Inc.
InventorWilson West
Life of this patent
Estimating the term…
Abstract
A molding press comprises a stationary platen or die fixed in a machine frame and a cooperating movable platen or die positionable toward and away from the stationary platen for operation through a molding cycle. Cam slot and follower guide means direct the movable platen through a clamshell movement; and a scissors mechanism is connected between the machine frame and the movable platen with a reversible electric motor providing rotational force to the lead screw of the scissors mechanism.
Claims10
A molding press comprising:
- a machine frame;
- a stationary platen secured to said machine frame;
- a movable platen positionable toward and away from said stationary platen for operation through a molding cycle;
- guide means for directing the path of movement of said movable platen;
- power providing means;
- and a scissors mechanism, including a rotatable lead screw connected to said power providing means, a system of pivotally interconnected links fastened to said movable platen and to said machine frame, and a nut fixed in said linkage system and threadedly mounted on said lead screw.
3 more elements
Dependencies are inferred from the claim text.