Pole unit mechanism for closing the contacts in an oil circuit b

Details Pole unit mechanism for closing the contacts in an oil circuit b Pole unit mechanism for closing the contacts in an oil circuit b

1974-04-10

1976-06-22

Scott, Samuel

Machine element or mechanism

Control lever and linkage systems

Elements

200150R, G05G 104

Patent

active

039643387

ABSTRACT:
A circuit breaker of the oil type having an operating mechanism for providing an improved force operation of the contact lift rod. The mechanism includes a linkage arrangement with a scissor-type toggle to provide a mechanical advantage for increasing the force for closing the contacts. In addition, the improved pull rod mechanism is particularly well adapted for location in relatively small enclosures.

REFERENCES:
patent: 2357603 (1944-09-01), Pinkham et al.
patent: 3187593 (1965-06-01), McCloud

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