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:
May. 11, 1976
Filed:
Aug. 16, 1974
Applicant:
Inventor:
Donald L Burdorf, Newport Beach, CA (US);
Assignee:
BASF Aktiengesellschaft, Ludwigshafen (Rhine), DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; B65H / ;
U.S. Cl.
CPC ...
242192 ; 206 53 ; 242 74 ; 242195 ; 242197 ; 242210 ; 360134 ;
Abstract
An improved self threading leader for a reel of recording tape which engages only itself as it is wrapped around the supply reel to maintain the reel's integrity and which engages a take-up hub to begin winding therearound when the reel is used with a tape transport unit of the type having a capstan to drive a supply reel and take-up hub by surface contact.