NOZZLE ARRANGEMENT WITH AN ACTUATOR HAVING IRIS VANES
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
Dec 19, 2011
filing date -
Jul 15, 1997
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A nozzle arrangement for an inkjet printhead includes a substrate; a plurality of posts extending from the substrate; a roof portion defining an ejection port, the roof portion supported by the plurality of posts; a plurality of vanes extending from the substrate and arranged to define a chamber with the substrate and the roof portion; and a plurality of thermal bend actuators respectively positioned at a base of each vane, each thermal bend actuator including a rigid arm and an expandable arm attached to an end of the rigid arm. Each expandable arm contains therewithin a heater element. The plurality of thermal bend actuator are adapted to bend the vanes inwards with respect to the chamber in response to an electrical signal applied to each heater element, the plurality of thermal bend actuators bending the vanes in an iris-type manner to reduce a volume of the chamber.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully