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. 07, 1999
Filed:
Sep. 18, 1997
Applicant:
Inventor:
Olof Kjellqvist, Sundsvall, SE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
198672 ; 198657 ; 384583 ; 384563 ;
Abstract
Screw feeders are disclosed including a conical feed screw rotatably disposed in a conical screw tube, and a drive shaft mounted at one end of the conical feed screw with a pair of bearings mounting the drive shaft, a fixed ring mounted on the drive shaft, and an axially adjustable sleeve mounted on the drive shaft, with the pair of bearings disposed between the fixed ring and the axially adjustable sleeve in order for the pair of bearings to be pretensioned therebetween.
Quick Actions:
Kjellqvist, Olof. (1999). Plug screw feeder (U.S. Patent No. 5996770). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5996770
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile