| 摘要 |
An ink-jet pen is provided to enable a user to represent various colors according to one's taste by only one pen, and to reduce a cost by purchase of a new pen, nurse resources, and to prevent an environmental pollution since ink is refilled. The ink-jet pen includes: a body(10); at least one ink storage part(20) installed in the body, filled with respective different-colored ink, and having a nozzle(21); a piezoelectric part(30) installed on the lower side of the ink storage part, and discharging the ink by receiving the ink from the nozzle and applying a pressure to the lower side; a power supply part(40) for supplying a power to the piezoelectric part by comprising a battery(41), a wire(42), and a power connection unit(43); and an ink collection part(50) comprising plural hollow parts(51), a check valve(51a) for closing the hollow parts, an ink mixing room(52) that the ink discharged by the piezoelectric part are mixed, a discharge part(53) having a discharge hole for discharging the ink, and a writing part(60). |
