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.

Date of Patent:
Oct. 06, 2015

Filed:

Feb. 07, 2013
Applicant:

Pro-tech Manufacturing and Distribution, Inc., Rochester, NY (US);

Inventors:

Michael J. Guggino, Bloomfield, NY (US);

Barry Sherman, Dansville, NY (US);

James Maier, Ontario, NY (US);

Tom Moran, Hemlock, NY (US);

Samuel Granados, Arvada, CO (US);

Thomas B. Maier, Oakfield, NY (US);

Dale Keep, Walla Walla, WA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E01H 5/06 (2006.01);
U.S. Cl.
CPC ...
E01H 5/061 (2013.01);
Abstract

A material pushing apparatus is disclosed that has a central blade, at least one removable side plate attached to the central blade and a segmented scraping edge flexibly attached to the central blade along the bottom longitudinal edge of the blade. A position sensor is attached between the blade and the scraping edge and produces a position signal that is displayed to indicate the relative position between the blade and edge in order to characterize the amount of downward pressure applied to the scraping edge. Other aspects and features of the disclosed apparatus include a tilt sensor and display, and an improved coupler having shock-absorbing features and a cam-type clamping arrangement.


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