Circuit breaker operating mechanism for rapid contact opening and closing
United States Patent 3214556
Inventors:
Zimsky, John J.
Publication Date:
10/26/1965
Assignee:
MC GRAW EDISON CO
Other Classes:
335/76, 335/43, 335/190, 335/21, 335/9
International Classes:
H01H3/30; H01H3/00
US Patent References:
| 3021400 | Manually controlled contact actuatin gmechanism | | | |