US 9,810,013 B2
Dual door control for farm implement
Michael D. Van Mill, Shell Rock, IA (US); Ronald J. Schlimgen, Shell Rock, IA (US); and Daryl Rubner, Fairbanks, IA (US)
Assigned to Unverferth Manufacturing Company, Inc., Kalida, OH (US)
Filed by Unverferth Manufacturing Company, Inc., Kalida, OH (US)
Filed on Mar. 14, 2014, as Appl. No. 14/213,184.
Application 14/213,184 is a continuation in part of application No. 13/828,578, filed on Mar. 14, 2013, granted, now 9,487,990.
Claims priority of provisional application 61/799,549, filed on Mar. 15, 2013.
Claims priority of provisional application 61/733,364, filed on Dec. 4, 2012.
Prior Publication US 2014/0311033 A1, Oct. 23, 2014
Int. Cl. B61D 19/00 (2006.01); E05F 11/42 (2006.01); E05F 11/44 (2006.01); B65D 19/00 (2006.01); E05F 11/00 (2006.01); E05F 11/10 (2006.01); E05F 11/54 (2006.01)
CPC E05F 11/42 (2013.01) [B65D 19/002 (2013.01); E05F 11/00 (2013.01); E05F 11/10 (2013.01); E05F 11/44 (2013.01); E05F 11/54 (2013.01); E05Y 2201/68 (2013.01); E05Y 2900/11 (2013.01); E05Y 2900/132 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A door control system for a farm implement with a storage bin having a discharge opening and a door movable between open and closed positions relative to the discharge opening, comprising:
a base configured for mounting on the farm implement in relation to the door;
at least two door control assemblies coupled to said base and configured to move the door between open and closed positions;
each door control assembly including:
a controller coupled to the base and movable in relation thereto;
a drive mechanism coupled with the controller and configured to move the door between the open position and the closed position in response to movement of the controller.