# US 2014/0151372 A1 · Dual position door control for farm implement > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0151372 A1 - Document ID: US20140151372A1 - Status: Published application - Kind: A1 - Application number: 13/828,578 - Filed: 2013-03-14 - Published: 2014-06-05 - Earliest claimed: 2012-12-04 - Assignees: Unverferth Manufacturing Company, Inc. - Applicants: Unverferth Manufacturing Company, Inc. - Inventors: Michael Van Mill; Ronald J. Schlimgen - Web page: https://patentgrep.com/patent/US20140151372A1 ## CPC - E05F 11/44: operated by one or more lifting arms - E05Y 2201/68: Handles, cranks - E05Y 2900/11: for industrial buildings - E05Y 2900/132: Doors - E05F: DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING - E05Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF ## Abstract A door control system for a farm implement with a storage bin having a discharge opening and a door movable by a drive mechanism between open and dosed positions relative to the discharge opening includes a dual position door control system. The system may include an arm pivotally connected at one end to the storage bin such that the arm is rotatable between at least a first operating position and a second operating position and a controller connected to the arm and to the drive mechanism. ## Claims ### Claim 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: an arm having first and second ends; mounting means for pivotally connecting said second end of said arm to said storage bin such that said arm is rotatable between at least a first operating position and a second operating position; a controller connected to said arm and movable in relation thereto; a drive mechanism for moving the door between the open position and the closed position in response to movement of said controller when said arm is in any of said operating positions. ### Claim 2 (depends on 1) The system of claim 1, further comprising locking means for locking said arm in at least one of said operating positions. ### Claim 3 (depends on 1) The system of claim 1, wherein said controller includes a hand wheel. ### Claim 4 (depends on 1) The system of claim 1, wherein said drive mechanism includes a first shaft, a second shaft, a third shaft, a first sprocket, a second sprocket, a roller chain, a first gear, a second gear and a third gear, wherein: said controller is coupled to said first shaft and said first shaft is rotatably coupled to said arm, said first sprocket is coupled to said first shaft and is coupled with said second sprocket by said roller chain, said second sprocket is coupled to said second shaft and said first gear is coupled to said second shaft, said first gear is positioned to drive said second gear and said second gear is coupled to said third shaft, and said third gear is coupled with said third shaft and positioned to adjust the position of the door. ### Claim 5 (depends on 4) The system of claim 4, wherein said drive mechanism further includes a rack configured to be positioned on said door to engage said third gear. ### Claim 6 (depends on 1) The system of claim 1, wherein said drive mechanism includes a first shaft, a first gear, a second shaft, a second gear, a third gear, a third shaft, a fourth gear, and a fifth gear wherein: said controller is coupled to the first shaft and said first gear is coupled to said first shaft, said first gear is positioned to drive said second gear and said second gear is coupled to a first end of said second shaft, a second end of said second shaft is coupled with said third gear and said third gear is positioned to drive said fourth gear, said fourth gear is coupled to said third shaft and positioned to adjust the position of the door. ### Claim 7 (depends on 6) The system of claim 6, wherein said each of said first gear, second gear, third gear and fourth gear are bevel gears. ### Claim 8 A farm implement comprising: a storage bin with a discharge opening and a door movable between a closed position covering the discharge opening and an open position exposing the discharge opening; and a door control system including an arm having first and second ends; a controller connected to said arm and movable in relation thereto; and a drive mechanism coupled with said door and said controller, wherein said second end of said arm is pivotally connected to said storage bin so as to be rotatable between at least a first operating position and a second operating position; and wherein said drive mechanism includes movable members arranged to move said door between the open position and the dosed position in response to movement of said controller when said arm is in any of said operating positions. ### Claim 9 (depends on 8) The farm implement of claim 8, further comprising a locking member on said arm that is engageable with a complementary structure on said bin in at least one of said operating positions so as to immobilize said arm when engaged. ### Claim 10 (depends on 8) The farm implement of claim 8, wherein said controller includes a hand wheel. ### Claim 11 (depends on 8) The farm implement of claim 8, wherein said movable members of said drive mechanism include a first shaft, a first gear, a second shaft, a second gear, a third gear, a third shaft, a fourth gear, and a fifth gear wherein: said controller is coupled to the first shaft and said first gear is coupled to said first shaft, said first gear is positioned to drive said second gear and said second gear is coupled to a first end of said second shaft, a second end of said second shaft is coupled with said third gear and said third gear is positioned to drive said fourth gear, said fourth gear is coupled to said third shaft and positioned to adjust the position of the door. ### Claim 12 (depends on 11) The farm implement of claim 11, wherein said each of said first gear, second gear, third gear and fourth gear are bevel gears. ### Claim 13 (depends on 8) The farm implement of claim 8, wherein said movable members of said drive mechanism include a first shaft, a second shaft, a third shaft, a first sprocket, a second sprocket, a roller chain, a first gear, a second gear and a third gear, wherein: said controller is coupled to said first shaft and said first shaft is rotatably coupled to said arm, said first sprocket is coupled to said first shaft and is coupled with said second sprocket by said roller chain, said second sprocket is coupled to said second shaft and said first gear is coupled to said second shaft, said first gear is positioned to drive said second gear and said second gear is coupled to said third shaft, and said third gear is coupled with said third shaft and positioned to adjust the position of the door. ### Claim 14 (depends on 13) The farm implement of claim 13, wherein said drive mechanism further includes a rack configured to be positioned on said door to engage said third gear.