Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1985-12-11
1987-02-17
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200 11J, 200 11TC, 200 4304, 200 4308, H01H 1954, H01H 2700
Patent
active
046441115
ABSTRACT:
A multiposition rotary transformer switch including a molded switch housing including a bore, an interrupted mounting flange located intermediate the ends of the bore and an interrupted key flange at one end of the bore, the flanges each including slots located at equally spaced intervals, the slots in one flange being offset from the slots in the other flange and a number of fixed contacts mounted on said housing, a dual voltage shaft assembly including a shaft having a drive nut at one end and a pair of floating contacts at the other end, and a tap changer shaft assembly including a shaft having a drive nut at one end and a floating contact at the other end, the shaft assemblies being adapted to be mounted in the bore in the housing and a reversible cap adapted to be mounted on the switch housing to enclose the end of the shaft assemblies in one position and mounted on the drive nut on the shaft in the other position to selectively rotate the shaft assembly with respect to the fixed contacts, the cap being keyed into the drive nut before the shaft assembly can be rotated in the bore.
REFERENCES:
patent: 1873527 (1932-08-01), Anfinnsen et al.
patent: 1956430 (1934-04-01), Turner
patent: 2478296 (1949-08-01), McArn et al.
patent: 3394236 (1968-07-01), Grundig et al.
patent: 3803370 (1974-04-01), Garcia
patent: 3883706 (1975-05-01), Glaser
patent: 3912886 (1975-10-01), Allen et al.
patent: 4356360 (1982-10-01), Volz
patent: 4558193 (1985-12-01), Test
RTE Corporation
Scott J. R.
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