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Patent Searching and Data


Title:
MAINTENANCE STATION AND METHOD OF DRIVING THE SAME
Document Type and Number:
WIPO Patent Application WO/1994/013488
Kind Code:
A1
Abstract:
The invention provides an ink jet printer provided with a maintenance station which is simple in construction and small-sized. A cap holder is provided with a suction port (28) communicating with a cap through a communication hole, a discharge port (29) and a vent port (30). Provided in the cap holder is a cylinder which rotates upon actuation of a piston and which is provided on an outer diameter portion thereof with connection holes such that a pressure chamber (31) is connected to a suction port (28) in a suction stroke, the pressure chamber (31) is connected to a discharge port (29) and the suction port (28) is connected to the vent port (30) in an exhaust stroke. Thus the cap holder contains therein the vent port for a suction pump and an atmospheric opening valve.

Inventors:
Maeno, Fumio
Application Number:
PCT/JP1993/001820
Publication Date:
June 23, 1994
Filing Date:
December 15, 1993
Export Citation:
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Assignee:
Citizen
Watch
CO., LTD.
Maeno, Fumio
International Classes:
A61F5/44; A61F13/15; A61F13/472; B41J2/165; B41J2/175; F04B7/00; F04B19/02; (IPC1-7): B41J2/165; F04B7/04
Foreign References:
JPS63139747A1988-06-11
JPS60151059A1985-08-08
JPS5660256A1981-05-25
JPS467857B11971-02-27
JPS58148287U1983-10-05
JPS55180085U1980-12-24
Other References:
See also references of EP 0631873A4
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