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:
Apr. 21, 1992
Filed:
Apr. 28, 1989
Applicant:
Inventor:
Keith Cawley, Coltishall, GB;
Assignee:
Frigoscandia Contracting AB, Helsingborg, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
198778 ; 198831 ; 198838 ; 198841 ; 198845 ;
Abstract
A conveyor system wherein an endless conveyor belt follows a helical conveying path with the tiers at least partly in self-supporting relationship, wherein the lowermost tier is supported by a plurality of trolleys mounted on a fixed helical rail, and the trolleys are individually driven by the internal capsten which also drives the conveyor belt at the inside edge of the helical conveyor path.