Metal working – Means to assemble or disassemble – Means to assemble electrical device
Patent
1987-08-18
1989-04-04
Echols, P. W.
Metal working
Means to assemble or disassemble
Means to assemble electrical device
29565, 29838, B23P 1904
Patent
active
048172723
ABSTRACT:
An electronic component lead or tab crimping apparatus adapted for use with a conveyor system in the assembly of printed circuit (PC) boards includes an upper assembly having an upper interchangeable plate and a lower actuator plate and further includes a pneumatically actuated lower assembly. The interchangeable plate includes a plurality of spaced apertures within each of which is disposed a lead/tab engaging, crimping element. The upper assembly is initially displaced upward by the pneumatically actuated lower assembly to a position in close proximity to and in alignment with the lower surface of a PC board such that each of the crimping elements is disposed in close proximity to a lead, or leads (or tabs), of an electronic component positioned on the PC board. The lower assembly then displaces the actuator plate upward by cam action such that the actuator plate simultaneously engages and pivotally displaces the crimping elements resulting in crimping of the electronic component leads or tabs. The actuator plate of the upper assembly is then lowered by the lower assembly allowing for disengagement of the leads/tabs by the crimping elements, followed by further lowering of the upper assembly by the lower assembly to permit the PC board with crimped leads/tabs to be displaced by the conveyor system and another PC board to be moved in position for lead/tab crimping.
REFERENCES:
patent: 3429170 (1969-02-01), Romeo
patent: 4557043 (1985-12-01), Starski
Scherb, Jr., W. R., "Lead Cutting and Bending Apparatus," Western Electric Technical Digest, No. 50, Apr., 1978, p. 27.
Beam, W. D., "Tool for Stubbing Pins Preassembled in a Substrate," Western Electric Tech. Digest, No. 66, Apr., 1982, p. 3.
Bradfish Thomas J.
Campisi Carl
Kaliszek Andrew
Klein Elmer M.
Schmid Richard G.
Echols P. W.
Zenith Electronics Corporation
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