Switching mechanism for a manual motor starter

Details Switching mechanism for a manual motor starter Switching mechanism for a manual motor starter

2006-05-30

2006-05-30

Friedhofer, Michael (Department: 2832)

Electricity: circuit makers and breakers

Contact moved by sudden release of stored energy,

C200S401000

Reexamination Certificate

active

07053324

ABSTRACT:
The present invention relates to a switching mechanism for preventing a trip error of a manual motor starter. While using the manual motor starter, even though a latch holder (4) is incompletely released from restraint by a trip lever (3) during trip operation of the switching mechanism (1), the trip lever (3) is pushed upward to allow a restrained state of the latch holder (4) to be completely released at any event. Therefore, when implementing reset operation of the switching mechanism (1), as a latch (2) is smoothly introduced between both pins (4aand4b) of the latch holder (4) rotated by a predetermined angle, it is possible to prevent breakage of the switching mechanism (1).

REFERENCES:
patent: 6897757 (2005-05-01), Kim
patent: 2004/0114293 (2004-06-01), Kim
patent: 2004/0124074 (2004-07-01), Asano et al.
patent: 2005/0133352 (2005-06-01), Shin
patent: 2005/0140475 (2005-06-01), Cho
U.S. Appl. No. 11/016,911, filed Dec. 21, 2004, Cho.
U.S. Appl. No. 11/007,310, filed Dec. 9, 2004, Shin.

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