H - Electricity – 01 – H
Patent
H - Electricity
01
H
26/122
H01H 65/00 (2006.01) H01H 11/04 (2006.01) H01R 43/02 (2006.01)
Patent
CA 1042190
ABSTRACT OF THE DISCLOSURE This invention relates to a method and apparatus for making electrical contacts. According to the method, a length of contact forming material is guided along a prede- termined path toward a cutting device and a welding device. A contact piece is cut from the forward end of the length of the contact forming material by the cutting device and is then advanced into engagement with one electrode of the welding device. The contact piece is then elevated into contact with a contact carrier arranged below a second electrode and the contact piece is welded to the carrier. The apparatus in- cludes a cutting device which is adapted to cut a contact piece from the length of contact material. A guide is pro- vided for guiding the strip of contact material to the cutting device. An electrical resistance welding device is spaced from the cutting device for welding of a cut contact piece to a contact carrier. A second guide is arranged between the cutting and welding devices for guiding the contact material from the cutting device to the welding device. The first and second guides are connected in alignment. The welding device has a first stationary electrode and a second electrode which is arranged below and movable toward the first electrode. A holder is provided for holding the contact carrier at the under side of the first electrode. The second electrode has a groove for receiving a lower part of the contact piece and is liftable from a rest position in which the groove is connected in align- ment with the second guide to a welding position in which it is pressed toward the first electrode. A gripping device is pro- vided to grip and move the remaining length of contact material and a drive mechanism is provided for actuating the cutting de- vice, gripping mechanism and the second electrode.
254701
Zollinger Hans-Rudolf
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