Device for feeding constant pressure fluid

Details Device for feeding constant pressure fluid Device for feeding constant pressure fluid

1982-01-19

1983-12-20

Griffin, Donald A.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

044220863

ABSTRACT:
In a nonimpact printer a device is provided for feeding a constant pressure fluid to a nonimpact printing head reciprocally movable to scan across a recording sheet. The feeding device is formed with a pair of identical first and second chambers connected respectively to first and second sections of a conduit through which the fluid is supplied from a source to the device. Fluid communication is established between the first and second chambers by a connecting channel which is smaller in cross section than the cross section of the first and second chambers and is connected to the printing head through a narrow passageway.

REFERENCES:
patent: 2176777 (1939-10-01), Tate
patent: 2214636 (1940-09-01), Hutchens
patent: 4188634 (1980-02-01), Anderka et al.

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