Rotary type electrostatic spray painting device

Details Rotary type electrostatic spray painting device Rotary type electrostatic spray painting device

1981-01-29

1983-02-15

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Electrostatic type

With impeller

239223, B05B 504, F16C 3206

Patent

active

043736726

ABSTRACT:
A rotary type electrostatic spray painting device comprising a rotary shaft and a spray head fixed onto the front end of the rotary shaft. Paint is fed onto the cup-shaped inner wall of the spray head. The rotary shaft is supported by a single thrust air bearing and a pair of radial air bearings. An electrode, continuously contacting the rear end of the rotary shaft, is provided. A negative high voltage is applied to the housing of the paint device. In addition, the negative high voltage is also applied to the spray head via the electrode and the rotary shaft. The spray head comprises a spray head body and a spray head supporting member. The spray head body has a cylindrical inner circumferential wall which is fitted onto the cylindrical outer circumferential wall of the spray head supporting member. A radially inwardly projecting annular projection is formed on the rear end of the cylindrical inner circumferential wall of the spray head body. A thin extending portion, passing through the annular projection and extending backward from the rear end of the spray head supporting member, is formed in one piece on the rear end of the spray head supporting member. The tip of the thin extending portion is radially outwardly bent and pressed onto the rear end face of the annular projection.

REFERENCES:
patent: 2217000 (1940-10-01), Barnes
patent: 3390499 (1968-07-01), Jansson
patent: 3985405 (1976-10-01), Okano et al.
patent: 4148932 (1979-04-01), Tada et al.

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