H - Electricity – 01 – K
Patent
H - Electricity
01
K
313/172.3
H01K 1/42 (2006.01)
Patent
CA 2033734
-15- Abstract SNAP-IN-TERMINAL FOR REAR ELECTRICAL CONTACT A subminiature terminal (10; Figs. 5 and 6A & 6B) for mechanically holding and electrically intercon- necting a wedge-base bulb (l; 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 connec- tor 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 fila- ment wire deformation or its history. The free arm is smooth along its length and in particular in its con- tact surfaces with its respective filament wire. [AG-717-APD-WA]
Swabey Ogilvy Renault
United Technologies Automotive Inc.
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