Electrical connectors – With vitreous-type envelope – Having only two duplicate contacts arranged bilaterally...
Patent
1989-09-20
1991-07-16
Abrams, Neil
Electrical connectors
With vitreous-type envelope
Having only two duplicate contacts arranged bilaterally...
439699, 313318, H01R 1900
Patent
active
050320904
ABSTRACT:
A subminiature terminal (10; FIGS. 5 and 6A & 6B) for mechanically holding and electrically interconnecting a wedge-base bulb (1; FIGS. 1 & 2) into a circuit in, for example, an automotive application, in which the electrical and mechanical retention forces balance out, in a preferred manner (FIGS. 4 & 4A), preventing undesired rotation (tilting) of the bulb held between opposed terminal pairs seated in a connector system (not illustrated). The terminal includes conductor and insulation grips (11), a body or base (12) (the structural part), a mechanical retention spring (13), and an electrical contact spring (14). The mechanical retention spring is a leaf spring clamped at the rear and dimensioned to hold the bulb at its detent; while the electrical contact spring is a torsion spring on the opposite side approximately a one half winding (14A) formed between two lever arms, one lever arm (14B) clamped at the front of the terminal, while the other one (14C) is essentially free to deflect, as required by the wedge-base (3) of the bulb (1) to ensure electrical contact independent of filament wire deformation or its history. The free arm is smooth along its length and in particular in its contact surfaces with its respective filament wire.
REFERENCES:
patent: 3017599 (1962-01-01), Loesch
patent: 3999095 (1976-12-01), Pearce, Jr. et al.
patent: 4720272 (1988-01-01), Durand
patent: 4883434 (1989-11-01), Toyoshima
patent: 4902251 (1990-02-01), Grzena
Abrams Neil
Nguyen Khiem
United Technologies Automotive Inc.
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