Contact spring for battery charging system of high-quality radio mobile handset i.e. digital enhanced cordless telecommunications-mobile handset, has side-piece, where spring is made of uncoated and unmixed German silver

摘要

The contact spring (1) has a side-piece (4) held at a free end (5) in a freely-movable manner, where the spring is made of uncoated and unmixed German silver. A profile of the side-piece is like a profile of a human nose. A base form (8) is formed at another side-piece (6) at an associated free end (7). A spring component (3) is fitted in a U-shaped profile of the contact spring, where the spring component is made of an unmixed spring material i.e. chromium-nickel-steel, in relation to the material of the contact spring.