202344 ⎘
Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement; Energy stored by deformation of elastic members by twisting of torsion members with auxiliary means for temporarily holding parts until torsion member is sufficiently strained
Dual energy storage operating mechanism of isolating switch
#2Breaker mechanism for an electrical circuit breaker and electrical circuit breaker with such a breaker mechanism
#3Apparatus for operating a rotary switch
#4Switch