| 摘要 |
1511885 Automatic circuit-breakers; electromagnetic switches SQUARE D CO 23 April 1975 [29 April 1974] 43657/76 Divided out of 1511881 Heading H1N The Specification describes a combined automatic circuit-breaker and electromagnetic overload switch as in parent Specification but the claims are directed to the mounting of movable contact arm 67 on a pivotably mounted member such as the moulded bar 63 by a tapered tongue which is "staked" to a retaining plate 69. |
