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.

Date of Patent:
Mar. 22, 1977

Filed:

Apr. 14, 1975
Applicant:
Inventors:

Paul R Beswick, Ipswich, MA (US);

Paul W Berton, Marblehead, MA (US);

Charles F Ganem, Newton, MA (US);

Clark E Johnson, Jr, Weston, MA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
242 / ;
Abstract

A continuous loop tape cassette with a rotating tape coil carried by a flanged, reverse e-shaped hub in fixed radial angular relation to the base of the cassette. A tape receiving arc portion of the hub has a radius sufficiently great relative to the spring modulus of the tape to prevent binding. The arc portion is undercut to contain the tape.


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