Sliding gate spring loading toggle

Details Sliding gate spring loading toggle Sliding gate spring loading toggle

1977-01-27

1978-03-07

Tollberg, Stanley H.

Dispensing

Molten metal dispensing

Flow controllers or assists

222512, 251144, 251193, B22D 3700, B22D 4108

Patent

active

040775526

ABSTRACT:
The toggle levers in a sliding gate valve operative to impart the compressive loading between the slide assembly housing and the teeming vessel are mechanically actuated to their engaged or released positions by the drive motor utilized to operate the slide frame. The toggle levers are attached to connecting rods which are, in turn, connected by a follower rod that extends across the path of travel of the slide frame. The follower rod can be positioned on one side of the slide frame or the other to alternatively engage or release the levers. During normal operation of the valve the follower rod is locked to the housing whereby the slide frame is free to move with respect to the toggle levers.

REFERENCES:
patent: 3321174 (1967-05-01), Schertler
patent: 3779424 (1973-12-01), Shopland, Jr.
patent: 3937372 (1976-02-01), Bode, Jr.

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