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:
Jun. 13, 1978
Filed:
Mar. 19, 1976
Applicant:
Inventors:
Jan Roger Amberntsson, Angered, SW;
Roger Ingemar Andersson, Angered, SW;
Stig Bertil Sultan, Floda, SW;
Assignee:
Aktiebolaget Electrolux, , SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
3461 / ;
Abstract
An ink supply to a movable printing head in which the liquid reservoir follows the printing head in its movement along a recording medium and communicates with the liquid pumping chambers by means of at least one channel located in the printing head. In one embodiment, a filter is located in the flow path of the liquid reservoir to the pump chambers while in another embodiment the filter is disposed within the reservoir.