Ink jet head, ink jet apparatus and wiping method therefor

[54] INK JET HEAD, INK JET APPARATUS AND WIPING METHOD THEREFOR

[75] Inventors: Toshio Kashino, Chigasaki; Tsuguhiro Fukuda, Yokohama; Noribumi Koitabashi, Yokohama; Hiroshi Tajika, Yokohama; Atsushi Arai, Kasukabe; Hiromitsu Hirabayashi, Yokohama, all of Japan

[73] Assignee: Canon Kabushiki Kaisha, Tokyo,
Japan

[21] Appl. No.: 764,060
[22] Filed: Sep. 24,1991

Related U.S. Application Data

[63 ] Continuation of Ser. No. 464,437, Jan. 12, 1990, abandoned.

[30] Foreign Application Priority Data

Jan. 13, 1989 [JP] Japan 1-7472

Jan. 18, 1989 [JP] Japan 1-9548

[51] Int. CI.6 B41J 2/165

[52] U.S. CI , 347/33

[58] Field of Search 346/1.1, 140 R;

347/33, 44, 47, 20, 63

[56] References Cited

U.S. PATENT DOCUMENTS

4,528,575 7/1985 Matsuda et al 346/140 R

4,935,753 6/1990 Lehmann et al 346/140 R

4,951,066 8/1990 Terasawa et al 346/140 R

4,959,673 9/1990 Noda 346/140 R

5,065,158 11/1991 Nojima et al 346/140 R

FOREIGN PATENT DOCUMENTS

63637 11/1982 European Pat. Off. .

314513 5/1989 European Pat. Off. .

3438033 4/1986 Germany .

59-045163 3/1984 Japan .

62- 13358 1/1987 Japan .

63- 11353 1/1988 Japan .
88008370 11/1988 WIPO .

OTHER PUBLICATIONS

IBM Technical Disclosure Bulletin, vol. 20, No. 11 A, published Apr., 1978, J. M. Huellemeier and H. R. Kruspe.

Primary Examiner—Benjamin R. Fuller
Assistant Examiner—Alrick Bobb

Attorney, Agent, or Firm—Fitzpatrick, Cella, Harper &
Scinto

[57] ABSTRACT

An ink jet recording head comprises:

a discharge port plate forming a discharge port for discharging ink;

an ink jet recording head body having a liquid path communicating with the discharge port; and

a cover member for covering the entire surface of the discharge port plate except the peripheral area of the discharge port, and the end edges of the ink jet recording head body, the edges being opposed to each other.

34 Claims, 9 Drawing Sheets