Importance

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Abstract

Electrical bonding apparatus such as a fusing machine is provided with plural separate electrode holders such that the position of an electrode relative to each holder can be adjusted. The position of each electrode relative to the holder is adjusted while the holder is detached from the machine, and while other holders and electrodes are in place on the machine. Thus, the machine can be provided with a new electrode preadjusted to the desired position by interchanging electrode holders. An electrode changer on the fusing machine may include a frame and a movable retaining element adapted to hold several electrodes at different stations. Electrical transmission elements such as brushes on the retaining element and frame may be biased against one another to provide an electrically conductive path, and this bias may be released upon movement of the retaining element relative to the frame so as to avoid wear of the electrical transmission elements. The holders may be releasably attached to the retaining element and may be detached and replaced to interchange the holders on the machine with other holders.

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First Claim