Wiper for ink-jet printhead

Details Wiper for ink-jet printhead Wiper for ink-jet printhead

1990-01-12

1992-05-19

Fuller, Benjamin R.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346140R, B41J 2165

Patent

active

051152509

ABSTRACT:
A rotary wiper for cleaning the orifice plate of a printhead of a thermal ink-jet printer. The wiper includes a plurality of blades which successively wipe contaminants from the orifice plate of the printhead during rotation of the wiper. Apparatus is provided for automatically cleaning the contaminants from the blades of the rotating wiper. The wiper blades are either radially or non-radially oriented. The cleaning apparatus includes either a plurality of scrapers, or a roll of liquid absorbing material. The wiper is rotated by a motor, or by a rack and pinion arrangement, in which the rack is disposed on the printhead carriage and actuates the wiper as the printhead moves into the service station area. In one embodiment the wiper is used in conjunction with a cap in the service station area to clean and then seal the printhead.

REFERENCES:
patent: 4436439 (1984-03-01), Koto
patent: 4577203 (1986-03-01), Kawamura
patent: 4745414 (1988-05-01), Okamura et al.
patent: 4853717 (1989-08-01), Harmon et al.
patent: 4872026 (1989-10-01), Rasmussen et al.
patent: 4959673 (1990-09-01), Noda
patent: 4977459 (1990-12-01), Ebinuma et al.

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