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:
Jun. 14, 1988
Filed:
Oct. 27, 1986
Lorne R Pollard, Naperville, IL (US);
Robert J Egging, Montgomery, IL (US);
Walter K Krahenbuhl, Woodridge, IL (US);
J. I. Case Company, Racine, WI (US);
Abstract
A hoe-opener assembly having a 'float' feature is disclosed. The present invention ties operation of several hoe openers to a common framework so that uniform depth control can be maintained. The hoe-opener assembly of the present invention is drawn behind an agricultural implement having a tool bar, and comprises a vertically movable framework. A frame lift-and-lower arrangement is provided for adjusting the spacing of the framework relative to the ground. The hoe-opener assembly includes a plurality of spring-biased hoe openers, each pivotally carried for limited pivotal movement by the framework at spaced intervals along the length thereof. A biasing-spring arrangement in operative association with each hoe-opener is provided whereby each hoe opener is substantially fixed against independent movement, relative to the framework.