Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – With housing or support means
Reexamination Certificate
2007-10-09
2007-10-09
Barrera, Ramon M. (Department: 2832)
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
With housing or support means
C200S303000
Reexamination Certificate
active
10854386
ABSTRACT:
A circuit breaker includes a molded base and cover, with at least one of the base and cover being a molded member including a pair of end walls, a pair of side walls, and an opening between the side walls. A strengthening member engages the base and cover between the side walls at the opening, engages at least one of the side walls and is an interior wall of the molded member. The base and cover are made of a first material, such as glass polyester or a suitably high strength plastic, and the strengthening member is made of a second dissimilar material, such as aluminum or steel, which has greater strength than the first material. An operating mechanism coupled to separable contacts is structured to move the contacts between open and closed positions. A trip mechanism coupled to the operating mechanism is structured to actuate the operating mechanism.
REFERENCES:
patent: 3988557 (1976-10-01), Francke et al.
patent: 5302788 (1994-04-01), Link et al.
Pennsylvania State University, Blast-Resistant Design and Construction, “Steel Stuff”, http:\\www.engr.psu.edu/ae/steelstuff/sblast.htm, Mar. 3, 2004, 1 p.
Barrera Ramon M.
Eaton Corporation
Moran Martin J.
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