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.:

US 7255223 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 14, 2007

Filed:

Feb. 20, 2003
Applicants:

Richard Schaer, Wittenbach, CH;

Stefan Rutishauser, St. Gallen, CH;

Inventors:

Richard Schaer, Wittenbach, CH;

Stefan Rutishauser, St. Gallen, CH;

Assignee:

Buehler AG, Uzwil, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G 33/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

A transport device for transporting a transportable product, especially a bulk-type product, includes an essentially cylindrical chamber containing at least one shaft which extends along the cylindrical chamber and comprises a plurality of first transport elements for transporting products in a product transport direction. The transport elements extending radially outwards from the shaft and are respectively connected to the shaft at connection points on the surface thereof. The individual connection points are located along a helical line on the surface of the shaft and the plurality of first transport elements form a first path which corresponds to the helical line and comprises a first discontinuous section extending in a helical manner around the surface of the shaft. Other elements are arranged at least in partial regions of the first path, such elements protruding into the first path.


Find Patent Forward Citations

Schaer, Richard. (2007). Mixture with a smooth throughput (U.S. Patent No. 7255223). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7255223

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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