Lever means, between protection means and switch contacts, for preventing resetting of operating mechanism if contacts are welded shut
RE Walters, GC Boysen - US Patent 3,538,477, 1970 - Google Patents
ABSTRACT OF THE DISCLOSUIRE Mechanism for an electric Switch which includes a lever
transmitting motion between Switch protection means and movable contacts of the switch.
The electric switch also includes lock means which respond to the position of the removable
contacts in order to permit motion of the lever in response to selected positions of the
movable contacts.
transmitting motion between Switch protection means and movable contacts of the switch.
The electric switch also includes lock means which respond to the position of the removable
contacts in order to permit motion of the lever in response to selected positions of the
movable contacts.
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