Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1988-11-23
1990-03-27
Valentine, Donald R.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204225, C25D 1728
Patent
active
049118137
ABSTRACT:
An improved apparatus 10 for plating interior surfaces of electrical terminals is disclosed which comprises a mandrel having first and second portions 11, 119, the first portion 11 being dielectric and the second portion 119 being conductive. The first portion 11 is mounted for rotation on a stationary conductive shaft 52 as strip fed terminals are continuously fed to, wrapped against and exited from the first portion. The second portion is mounted in a stationary position on the shaft 52. The first portion 11 includes a plurality of nozzles 49 a like plurality of anode members 80, each associated with a respective nozzle, and reciprocally movable between a plating position within a terminal 172 and a retracted position outside a terminal 172. Plating solution is supplied under pressure through the nozzles and upon respective anode members 80 and a source of electrical potential supplies electrical current flow from anode members 81, through said plating solution and into the interiors 180 of said terminals 172. Apparatus 10 is characterized in that individually biasing means is mounted on respective shaft members to define anode assemblies (80), the biasing means including a spring member (88) being cooperable with push surfaces (95) on the anode assembly (80). The means for moving the anode assemblies (80) are fixedly mounted to the conductive shaft (52) at the rear of the mandrel and the forward face of the moving means (120) defines a stop surface (133) for retaining the anode assemblies (80) in the apparatus (10). The rearward face of the moving means provides a camming surface (132). Cam followers (92) on the anode assemblies are continuously biased against a cam surface (132) of the moving means (120).
REFERENCES:
patent: 4384926 (1983-05-01), Wagner
patent: 4427498 (1984-01-01), Wagner
patent: 4555321 (1985-11-01), Wicks
patent: 4687562 (1987-08-01), Smith et al.
patent: 4690747 (1987-09-01), Smith et al.
AMP Incorporated
Nelson Katherine A.
Valentine Donald R.
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