The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 05, 1994
Filed:
Sep. 29, 1992
Donald R Wisor, Moline, IL (US);
Jeffrey C Schick, Davenport, IA (US);
Deere & Company, Moline, IL (US);
Abstract
A device for sealing the seed meter from the seed hopper of the agricultural planting unit when the unit is pivoted form its vertical planting configuration to its horizontal transport configuration. The device comprises a resilient and elastic sealing diaphragm that is located in the seed meter across from the seed meter disc. A pivotable frame is located in the other side of the diaphragm away from the seed meter disc and is used to expand the diaphragm so that it contacts the seed meter disc and seals the seed meter form the seed hopper. A counterweight is mounted to the pivotable frame for automatically pivoting the frame and sealing the seed meter when the planting unit is moved from its vertical planting configuration to its horizontal transport configuration.