Patent ID: 7399390

Claim:
A barrel plating device, comprising: support members facing each other across a prescribed space; hollow support shafts approximately level with each other, said hollow support shafts being respectively mounted in and extending through said support members, each of said hollow support shafts having a large inner diameter bore at one end and a small inner diameter bore, said large inner diameter bore having an internal circumferentially extending groove; a plating barrel having a hollow drum portion and end plates closing opposite ends of said drum portion, said end plates each having a central boss said barrel having opposite ends rotatably supported by said support shafts respectively inserted into the bosses; lead wires, each lead wire having an electrode at a tip end and coated with an insulation layer, each of said lead wires extending through a bore of a support shaft and held therein watertight and against rotation in a manner allowing said lead wire to extend through the corresponding end plate of said plating barrel and into communication with the interior of said hollow drum portion; and a bush formed of a low friction material and mounted within each central boss; a collar formed of a low friction material, said collar being fixed to a portion of each lead wire within and in sliding contact with the bush in a manner allowing rotation of the bush together with the barrel relative to said collar, said collar having a slotted portion with a plurality of slots axially extending from an end thereof facing a hollow support shaft, said slotted portion extending into said large diameter bore and having an outer circumferential projection engaged within said groove.