| 摘要 |
649,821. Snap-action switches. GUARDIAN ELECTRIC MANUFACTURING CO. Feb. 18, 1948, No. 4838. Convention date, Dec. 31, 1943. Addition to 646,476. [Class 38(v)] In order to avoid stoppage of the mechanism of the switch of the parent Specification at the deadcentre position with the movable contact out of engagement with either fixed contact, two incissions are made in the ends of members 15, 18, and the central portion is laterally offset from the members so as to. form the projections 15d, 18d, the outer portions being inclined in the direction of offset of the projections, so as to form knife-edges 15g, 18g, about which the telescoping eyelets pivot. The edges 15g, 18g, are preferably intermediate the planes of thickness of projections 15d, 18d. |
