Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1979-10-01
1981-06-09
Lawrence, Evan K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15345, 118652, 355 15, A47L 514
Patent
active
042715598
ABSTRACT:
A toner clean-off head utilizing a vacuum for removing liquid toner from a moving record medium having a latent electrostatic image thereon, in which the contact surface of the clean-off head is cylindrical so that the record medium easily conforms to ensure proper removal of the toner with a minimum of applied vacuum. A thin clean-off blade is positioned in a slot in the cylindrical contact surface so that the edge of the blade forms an element of the surface, and an inlet air passage and a toner exhaust passage in communication with vacuum means are defined on either side of the blade.
REFERENCES:
patent: 2082411 (1937-06-01), Merrill
patent: 3654659 (1972-04-01), Blumenthal
patent: 3841910 (1974-10-01), Baker
patent: 4026701 (1977-05-01), Till et al.
patent: 4067018 (1978-01-01), Pond
Sanders, K., Air Wedge and Air Entry, IBM Technical Disclosure Bulletin, vol. 19, No. 8, p. 3215, Jan. 1977.
Gould Inc.
Lawrence Evan K.
Sachs Edward E.
Tummino Barry L.
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