The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 15, 1983
Filed:
Jan. 29, 1981
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
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.