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:
Dec. 06, 1977
Filed:
Jan. 28, 1977
William I Baldwin, Ames, IA (US);
Wesley F Buchele, Ames, IA (US);
Iowa State University Research Foundation, Inc., Ames, IA (US);
Abstract
A recording soil penetrometer comprising a frame having upper and lower ends with a penetration probe extending downwardly from the lower end of the frame for penetration of the ground. A handle is operatively yieldably vertically movably mounted on the upper end of the frame for forcing the probe downwardly into the ground. A recording drum is rotatably mounted, about a vertical axis, on the frame and is adapted to have pressure sensitive recording paper mounted thereon. A ground-engaging apparatus is vertically movably mounted on the lower end of the frame. A rubber foot is provided on the lower end of the ground-engaging apparatus for engagement with the ground. A scriber is mounted on the upper end of the ground-engaging apparatus which is adapted to scribe the recording paper on the recording drum. A force link apparatus operatively interconnects the handle and the recording drum for causing rotation of the drum relative to the force required to cause the probe to penetrate the soil. The scriber scribes a depth-penetration resistance graph on the recording paper as the probe penetrates the soil.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile