Pneumatic hopper gate

Details Pneumatic hopper gate Pneumatic hopper gate

1978-04-26

1980-04-29

Spar, Robert J.

Dispensing

With relatively movable actuator for outlet element

222556, B65G 6562, B65G 6566

Patent

active

042002087

ABSTRACT:
An outlet gate arrangement for a hopper having sloping side walls converging toward each other and defining between their lower edges a discharge opening communicating with a pneumatic discharge tube comprises a gate having an upper surface abuttingly engageable with the lower edges of the side walls, a gate operating mechanism having a part movable transversely of the discharge opening, the gate being pivotally connected to the transversely movable part such that, upon movement of the transversely movable part and the gate from a closed position, a portion of the gate slidably follows the bottom surface of one of the side walls permitting the gate to pivot about its pivotal connection to the transversely movable part and thereby move the gate out of sealing engagement with the lower edge of the other side wall and away therefrom to permit discharge of lading through the discharge opening. The operating mechanism includes a manually actuated linkage for moving the transversely movable part between gate open and gate closed position.

REFERENCES:
patent: 1164195 (1915-12-01), Kendall
patent: 1760094 (1930-05-01), Tolman
patent: 2718986 (1955-09-01), Peoples
patent: 4023719 (1977-05-01), Noyon

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