Electrical switching apparatus and contact assembly therefor
AssigneeEaton Corporation
InventorJEFFREY SCOTT GIBSON
Life of this patent
Estimating the term…
Abstract
A contact assembly is for an electrical switching apparatus. The electrical switching apparatus includes a housing, a cradle member disposed in the housing, an operating handle extending into the housing, and an operating mechanism coupled to the cradle member. The contact assembly includes: a stationary contact structured to be disposed in the housing; a movable arm including a movable contact structured to engage the stationary contact, the movable arm being structured move between a CLOSED position and an EXTENDED OPEN position; and an extension apparatus structured to be disposed on the housing. When the movable arm is in the EXTENDED OPEN position, the extension apparatus maintains the movable arm in the EXTENDED OPEN position.
Claims20
A contact assembly for an electrical switching apparatus comprising a housing, a cradle member disposed in said housing, an operating handle extending into said housing, and an operating mechanism coupled to said cradle member, said contact assembly comprising:
- a stationary contact structured to be disposed in said housing;
- a movable arm comprising a movable contact structured to engage said stationary contact, said movable arm being structured move between a CLOSED position and an EXTENDED OPEN position;
- and
- an extension apparatus structured to be disposed on said housing,
- wherein, when said movable arm is in the EXTENDED OPEN position, said extension apparatus maintains said movable arm in the EXTENDED OPEN position.
An electrical switching apparatus comprising:
- a housing;
- at least one operating handle extending into said housing;
- at least one cradle member disposed in said housing;
- at least one operating mechanism coupled to said at least one cradle member;
- and
- at least one contact assembly comprising:
- a stationary contact disposed in said housing,
- a movable arm comprising a movable contact structured to engage said stationary contact, said movable arm being structured move between a CLOSED position and an EXTENDED OPEN position, and
- an extension apparatus disposed on said housing,
- wherein, when said movable arm is in the EXTENDED OPEN position, said extension apparatus maintains said movable arm in the EXTENDED OPEN position.
Dependencies are inferred from the claim text.