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:
Jan. 31, 1978
Filed:
Mar. 31, 1976
Franz Buttner AG., Zurich, CH;
Abstract
A cassette, for use in connection with a device for printing characters on a surface from the stroke impact of an endless dye impregnated ribbon such as a typewriter, the device defining a stroke region, features a housing defining two chambers, one of the chambers providing a storage region, the housing having a passageway for the ribbon, the passageway interconnecting with the storage region and being adapted to communicate with the stroke region, the ribbon being adapted to move between the stroke area and the storage region, re-impregnating means disposed in the other chamber and operable for re-impregnating the ribbon with dye, and transport means disposed substantially between the chambers and the passageway and operable for transporting the ribbon and for maintaining the ribbon substantially stretched in the stroke region.