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:
Apr. 12, 1977

Filed:

Jul. 29, 1975
Applicant:
Inventor:

Theophiel Clement Staar, Kraainem, BE;

Assignee:

Staar, S.A., Brussels, BE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360137 ; 360132 ;
Abstract

A device for loading and unloading cartridges into and from a recording and/or playback apparatus for magnetic tapes stored in cartridges of the type provided on their front face with a door for the withdrawal of the magnetic tape, the device including a housing member into which the cartridge is slidably inserted, the housing having a cam to open the door of the cartridge automatically as the cartridge is inserted; rollers carried by a shaft biasing the cartridge against the lower wall of the housing; resilient spring blades biasing said roller means downwardly in a way which permits the insertion of a cartridge with its door open; and a pair of support slits provided in the side walls of the housing and into which the ends of the shaft can slide to allow vertical movement of the rollers under the effect of the spring blades, the vertical movement of the shaft causing the door of the cartridge to close automatically when the latter is disengaged from the housing.


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Staar, Theophiel. (1977). Device for loading and unloading cartridges into and from a recording (U.S. Patent No. 4017901). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4017901

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

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