Recorders – Markers and/or driving means therefor – With ink supply to marker
Patent
1983-10-20
1986-02-18
Miller, Jr., George H.
Recorders
Markers and/or driving means therefor
With ink supply to marker
G01D 1518
Patent
active
045716005
ABSTRACT:
A nozzle blockage preventing unit is disposed at one end of the travelling zone of a carriage so as to confront a nozzle unit mounted on the carriage when the carriage is held stationary at the end of the travelling zone. The nozzle blockage preventing unit includes a cam mechanism and a cam follower plate which moves toward the nozzle unit when the cam mechanism rotates. A capping rubber member is secured to the cam follower plate such that the capping rubber plate contacts the nozzle unit when the cam mechanism is rotated, thereby forming a closed chamber covering an orifice formed in the nozzle unit. A protection liquid is filled in the closed chamber in order to prevent the drying of the ink liquid contained in the nozzle unit when the ink jet system printer is placed in a non-operating condition for a considerably long period of time.
REFERENCES:
patent: 4045802 (1977-08-01), Fukazawa et al.
patent: 4144537 (1979-03-01), Kimura et al.
patent: 4223324 (1980-09-01), Yamamori et al.
patent: 4228442 (1980-10-01), Krull
patent: 4364065 (1982-12-01), Yamamori et al.
patent: 4410900 (1983-10-01), Terasawa
patent: 4417259 (1983-11-01), Maeda
Miller Jr. George H.
Sharp Kabushiki Kaisha
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