Back to results
US 4,392,302 AGranted
Method of manufacturing a movable contact member
AssigneeFuji Electric Co., Ltd.
InventorShigemasa Saito
Life of this patent
Estimating the term…
Abstract
A contact member for a switching device is formed by soldering a contact tip to a movable contact member. The movable member is formed from an age-hardenable copper alloy that has been subjected in series to solution treatment, half age-hardening, grinding and rust-prevention coating.
Claims6
A method of manufacturing a movable contact member formed from a flat spring and a contact tip bonded to it, which comprises the steps of:
- age-hardening to a one-half hard temper a solution-treated age-hardenable copper alloy that is to be used as the material of the flat spring,
- grinding the surface of the age-hardened spring material,
- applying a rust-preventing film to the spring material, and
- bonding the contact tip to the spring material.
1 more element
Dependencies are inferred from the claim text.