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. 14, 1981
Filed:
Jan. 07, 1980
Applicant:
Inventors:
Robert F Oory, Hampshire, IL (US);
Charles J Arndt, Elk Grove, IL (US);
Assignee:
Rotec Industries, Inc., Elmhurst, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
222561 ; 198311 ;
Abstract
A very large hopper capable of discharging concrete of varying consistency onto a moving belt conveyor in a smooth continuous ribbon. The hopper will handle concrete which is predominately mortar, up to concrete having aggregate comprising 4 to 6 inch mean diameter rocks. In a preferred embodiment the hopper has a flat inclined wall containing a discharge opening closed by a sliding primary gate with a 'W' shaped leading edge; the primary gate also having a discharge opening closed by a sliding secondary gate.