Electric contacts, electric contact apparatus and method for...

Details Electric contacts, electric contact apparatus and method for... Electric contacts, electric contact apparatus and method for...

2006-05-23

2006-05-23

Friedhofer, Michael (Department: 2832)

Electricity: circuit makers and breakers

Special application

Light responsive

Reexamination Certificate

active

07049532

ABSTRACT:
A pair of electric contacts include a pair of first units which are provided on the surfaces of the end sides of the electric contacts, and generate light having first characteristics at the time of opening and closing of the electric contacts, and a pair of second units which are covered with the first units, and generate light having second characteristics differing from the first characteristics when abrasion of the first units reaches abrasion detection positions due to opening and closing of the electric contacts.

REFERENCES:
patent: 4553008 (1985-11-01), Veverka et al.
patent: 4723084 (1988-02-01), Reynolds
patent: 5718581 (1998-02-01), Fernwood et al.
patent: 5870182 (1999-02-01), Abend et al.
patent: 6777948 (2004-08-01), Dominelli et al.
patent: 6-14501 (1994-01-01), None
patent: 10-241481 (1998-09-01), None
patent: 11-354341 (1999-12-01), None

Affiliated with

Also associated with

Rating

Electric contacts, electric contact apparatus and method for... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electric contacts, electric contact apparatus and method for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electric contacts, electric contact apparatus and method for... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3584628