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Electrical contact device and a method for its manufacture

Image Number 2 for United States Patent #4773875.

The contact device comprises a metal plate (1) with a slot extending to an edge (7) of the plate which separates two strip-shaped, resilient tongues (13) from each other and serves to take up a wire with an electrically conductive core (31) surrounded by an insulating jacket (33). Starting from the said edge (7) the slot successively has a lead-in section (17), a scraper section (21) for cutting through the insulating jacket (33), a contact section (23) for making electrical contact with the core (31), and a circular first opening (5). By pressing a tapered pin (25) into the first opening (5) the tongues (13) are bent away sideways from each other, so that the contact section (23) is approximately V-shaped. The scraper section (21) is formed by the transition between the widest part of the contact section (23) and a second circular opening (9) which is intersected by the slot.

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