Device for freeing rotation of a discharge control door for...

Details Device for freeing rotation of a discharge control door for... Device for freeing rotation of a discharge control door for...

B - Operations, Transporting

61

D

105/123

B61D 7/02 (2006.01)

Patent

CA 1055785

TITLE DEVICE FOR FREEING ROTATION OF A DISCHARGE CONTROL DOOR FOR PARTICULATE MATERIAL ABSTRACT OF THE DISCLOSURE A device for freeing rotation of discharge control doors of the type described in U.S. Patents Nos. 3,654,872 and 3,822,650, due to compaction of fines on the top surface of the control doors which cover the discharge openings, is disclosed. The device lowers the control doors to increase the clearance between the terminating edges of the discharge openings and the top surface of the discharge door covering the openings, thereby reducing the friction between the com- pacted fines on the top surface of the door and the terminat- ing edges of the discharge openings, allowing the discharge doors to operate normally.

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