US 6,981,757 B2 | ||
Symmetric ink jet apparatus | ||
Kia Silverbrook, Balmain (Australia); and Greg McAvoy, Balmain (Australia) | ||
Assigned to Silverbrook Research PTY LTD, Balmain (Australia) | ||
Filed on May 14, 2001, as Appl. No. 9/854,703. | ||
Application 09/854703 is a continuation of application No. 09/112806, filed on Jul. 10, 1998, granted, now 6,247,790. | ||
Claims priority of application No. PP3987 (AU), filed on Jun. 08, 1998. | ||
Prior Publication US 2005/0041066 A1, Feb. 24, 2005 | ||
Int. Cl. B41J 2/14 (2006.01); B41J 2/04 (2006.01) |
U.S. Cl. 347—47 | 6 Claims |
1. An ink jet nozzle arrangement comprising:
a nozzle chamber defining means which defines a chamber and which includes a wall in which an ink ejection port is defined;
and
an ink ejection means operatively arranged relative to said ink ejection port, the ink ejection means comprising a plurality
of ink ejection elements disposed symmetrically relative to said ink ejection port, each ink ejection element having its own
individual associated actuator.
|