Cap member for a recovery device and suction recovery method

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EP 0 451 846 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	08.01.1992 Bulletin 1992/02

(43)	Date of publication A2:
	16.10.1991 Bulletin 1991/42

(21)	Application number: 91105793.3

(22)	Date of filing: 11.04.1991

(51)	International Patent Classification (IPC)⁵: B41J 2/165

(84)	Designated Contracting States:
	BE DE ES FR GB IT NL

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Priority:

11.04.1990 JP 95976/90
06.08.1990 JP 208716/90
06.08.1990 JP 208717/90
06.08.1990 JP 208718/90

(71)	Applicant: CANON KABUSHIKI KAISHA
	Tokyo (JP)

(72)	Inventors:
	Sugimoto, Hitoshi, Canon Kabushiki Kaisha Ohta-ku, Tokyo (JP) Hirano, Hirofumi, Canon Kabushiki Kaisha Ohta-ku, Tokyo (JP) Ara, Yoji, Canon Kabushiki Kaisha Ohta-ku, Tokyo (JP) Ikado, Masaharu, Canon Kabushiki Kaisha Ohta-ku, Tokyo (JP)

(74)	Representative: Tiedtke, Harro, Dipl.-Ing. et al
	Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 80336 München 80336 München (DE)

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References cited: :

(54)	Cap member for a recovery device and suction recovery method

(57) A suction recovery device of ink jet recording apparatus (100) comprises a cap (35) which can contact with or separate from a face formed with discharge ports for recording by discharging the ink, said cap (35) communicating to a suction system for performing the suction recovery through said discharge ports via said cap (35), said cap having a groove portion (35b) for guiding ink, and formed of an elastic material integrally with an ink communication member for communicating to said suction system via a suction port (35c) provided on an inner wall of said cap, and said suction system having a cylinder (24) and a piston (28) reciprocating within said cylinder, and having disposed ink absorbing member (242) in an ink exhaust portion (24b) within said cylinder.

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