Lid opening and closing device for granary

Details Lid opening and closing device for granary Lid opening and closing device for granary

E - Fixed Constructions

04

H

20/13

E04H 7/22 (2006.01) A01F 25/08 (2006.01) B65D 43/26 (2006.01) B65D 90/10 (2006.01) E04H 7/30 (2006.01)

Patent

CA 1090977

ABSTRACT OF THE DISCLOSURE A lid opening and closing device for a granary of the type having a lid pivotally mounted on one side of an opening in the top of its frusto-conical roof includes a post extending upwardly from the centre of the lid; a linkage pivotally connected to the top end of the post and extending outwardly and downwardly beyond the side edge of the roof; a lever pivotally mounted on the wall of the granary and pivotally connected at its outer end to the linkage; a rod pivotally connected to the lever intermediate the ends thereof, and extending downwardly along the side of the granary to a handle, which is also pivotally connected to the wall of the granary, so that downward rotation of the handle results in downward movement of the rod and lever, and outward movement of the linkage to open the lid, and upward rotation of the handle reverses the process to close the lid.

319850

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