High speed printer having a pneumatically actuated printing head
AssigneeFacit Aktiebolag
InventorSven G. V. Stenudd
Life of this patent
Estimating the term…
Abstract
A high speed printing device having a printing head provided with printing needles. The printing device is mounted on a movable carriage which is adapted to move adjacent to a recording medium. The printing head is pneumatically operated and also is movable relative to the carriage so that the distance between the printing needles and the recording medium is variable.
Claims6
In a high speed printer having a printing head provided with a plurality of printing needles, a movable carriage, means mounting said printing head on said carriage, said carriage being arranged to move adjacent to and along an axis parallel to the axis of a recording medium, said printing head also being movable relative to recording medium whereby the distance between said printing head and recording medium is variable, the improvement comprising means including an expandable bladder for changing the distance between said printing head and said recording medium, an air supply for said bladder means, means for compressing said bladder means, and an electromagnet which when operative controls said compression means to determine the compression of said bladder means.
Dependencies are inferred from the claim text.