Dampening apparatus and circuit interrupter including the same

Details Dampening apparatus and circuit interrupter including the same Dampening apparatus and circuit interrupter including the same

2006-03-14

2009-12-15

Enad, Elvin G (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

C335S006000, C200S400000, C200S401000, C200S288000

Reexamination Certificate

active

07633364

ABSTRACT:
A dampening apparatus has a housing with a plurality of first guide members and a plurality of second guide members coupled together. A first biasing member is located in an area proximate to the first guide members and within the housing. A first planar member is provided having a plurality of first apertures with the first guide members or the second guide members passing through the first apertures. A plurality of second planar members is provided having a plurality of second apertures with the second guide members passing through the second apertures. A plurality of second biasing members is located in an area proximate to the second guide members. An elongated shaft is coupled to the first planar member. The dampening apparatus could be included in a circuit interrupter.

REFERENCES:
patent: 4044210 (1977-08-01), Van Sickle
patent: 4114003 (1978-09-01), Frink et al.
patent: 4166937 (1979-09-01), Iman et al.
patent: 4461937 (1984-07-01), Boni
patent: 4612429 (1986-09-01), Milianowicz
patent: 5571255 (1996-11-01), Baginski et al.
patent: 6355898 (2002-03-01), Gimeno et al.
patent: 6717088 (2004-04-01), Kawamoto et al.

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