BRIEF DESCRIPTION OF THE DRAWINGS
Other and further objects, features and advantages of the invention will appear more fully from the following description taken in connection with the accompanying drawings in which:
FIG. 1 is a perspective view showing an appearance of an ink-jet head according to an embodiment of the present invention;
FIG. 2 is a perspective view showing an internal construction of the ink-jet head 1 shown in FIG. 1;
FIG. 3A is a side view showing an interior of the ink-jet head shown in FIG. 2;
FIG. 3B is a side view of a heat sink shown in FIG. 2;
FIG. 4A schematically illustrates that the heat sink shown in FIG. 3B is being fixed to the ink-jet head;
FIG. 4B is a perspective view showing a construction of the head sink shown in FIG. 3B, and partially including a vertical cross section;
FIG. 5 shows a vertical cross section of an ink reservoir shown in FIG. 3A;
FIG. 6A shows a vertical cross section as taken along line Va-Va in FIG. 3A;
FIG. 6B shows a vertical cross section as taken along line Vb-Vb in FIG. 3A;
FIG. 6C shows a vertical cross section as taken along line Vc-Vc in FIG. 3A;
FIG. 7 is partial enlarged views of a supporter shown in FIG. 6;
FIG. 8A is a plan view of a passage unit shown in FIGS. 2 to 6;
FIG. 8B shows a vertical cross section including the ink reservoir, as taken along line B-B in FIG. 8A;
FIG. 9 is an enlarged view of a region enclosed by an alternate long and short dash line in FIG. 8A;
FIG. 10 shows a vertical cross section as taken along line X-X in FIG. 9;
FIG. 11 is an enlarged view of a vicinity of a piezoelectric actuator shown in FIG. 10;
FIGS. 12A to 12D show a heat sink and a supporter according to another embodiment different from the embodiment shown in FIG. 7; and
FIGS. 13A and 13B show a heat sink and a supporter according to still another embodiment different from the embodiment shown in FIG. 12.
Patent Application
20070229607
