System with interchangeable battery and two chargers

H - Electricity – 02 – J

Patent

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Details

H02J 7/34 (2006.01) B25F 5/00 (2006.01) H01M 2/10 (2006.01) H01M 2/20 (2006.01) H01M 10/46 (2006.01) H02J 7/00 (2006.01)

Patent

CA 2227793

The present invention relates to an interchangeable battery for a battery- operated electric tool with a contact arrangement which, in order to charge the battery cell or cells by means of a charger having open counter-contacts, has at least a first freely accessible contact area per contact by means of which the battery can be connected to the counter-contact of the charger, the interchangeable battery is constructed according to the invention in such a way that it can also be charged by means of a charger with a screened contact region in that either the contacts of the battery are contact pins or blades which can be inserted into a contact region screened as far as a closely restricted aperture of a charger with screened counter-contacts or the contacts of the battery have a region screened by a wall which has such a wall thickness that the contacts with the entire wall can be inserted into the screened contact region.

L'invention concerne un accumulateur interchangeable pour outil électrique fonctionnant avec une batterie, comprenant un ensemble de contacts (4) présentant pour chaque contact (20), en vue de charger un (des) élément(s) d'accumulateur au moyen d'un chargeur comportant un contre-contact dénudé, au moins une première surface de contact facilement accessible (34, 24, 56), au moyen de laquelle l'accumulateur peut être connecté aux contre-contacts du chargeur; l'accumulateur est réalisé, conformément à l'invention, de telle façon qu'il soit chargeable même au moyen d'un chargeur à zone de contact blindée. A cet effet, soit, les contacts (20) de l'accumulateur sont constitués par des lames, des broches ou des tiges de contact (22), en saillie par rapport à une surface (28), lesquelles peuvent être insérées dans une zone de contact (44) blindée à l'exception d'une ouverture d'insertion (46, 62) étroitement limitée, d'un chargeur à contre-contacts blindés, soit les contacts (54) de l'accumulateur présentent une zone (58) protégée par une paroi (60) de faible épaisseur, telle que les contacts (54) soient insérables, avec toute cette paroi (60) dans la zone de contact blindée (62) du chargeur précité.

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