Roller contact device

Details Roller contact device Roller contact device

1993-09-07

1995-03-07

Cusick, Ernest G.

Electricity: circuit makers and breakers

Electric switch details

Contact

200250, 200290, 200243, H01H 116

Patent

active

053960360

ABSTRACT:
Disposed before and behind stationary contacts 6U and 6L are one pair each of roller contacts 5FM and 5FH, and 5BM and 5BH which are supported collectively at the upper and lower ends thereof by bridge links 4FU and 4FL, and 4BU and 4BL. These paired upper and lower bridge links are then supported by either of support shafts 3F and 3B respectively. The support shafts 3F and 3B for these two pairs of roller contacts and bridge links are supported by a pair of guide shafts 2U and 2L. The guide shafts are loosely engaged with a drive arm 1 and contacting pressure springs 7U and 7L are fitted between the two support shafts.

REFERENCES:
patent: 2571794 (1951-10-01), Turner
patent: 3903390 (1975-09-01), Cottereau
patent: 5017744 (1991-05-01), Yoshida

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