Electrical resistors – Mechanically variable – Movable contact electrically adjustable over length of...
Patent
1989-02-02
1990-01-02
Tolin, Gerald P.
Electrical resistors
Mechanically variable
Movable contact electrically adjustable over length of...
361293, 361417, 200 11TW, H01C 1032
Patent
active
048916234
ABSTRACT:
In an electric regulator unit, a variable electric component has a body which is accommodated in a recess formed in one axial end face of a holder against angular movement relative thereto about an axis of an operating shaft of the variable electric component such that the operating shaft extends away from a bottom of the recess. An assembly of the holder and the variable electric component is accommodated in a recess formed in one axial end face of a knob such that the operating shaft is engaged with a bottom of the recess in the knob. The arrangement is such that when an outer peripheral surface of the knob is manipulated, the knob is angularly moved to move the operating shaft angularly about the axis thereof relatively to the body. At least one friction-torque imparting element is arranged between the knob and the assembly for imparting friction torque to the angular movement of the knob relative to the holder and the body.
REFERENCES:
patent: 3809830 (1974-05-01), Lockard
patent: 4190749 (1980-02-01), Erickson
patent: 4549246 (1985-10-01), Baumler
patent: 4816801 (1989-03-01), Spiller
Stanley Electric Co. Ltd.
Tolin Gerald P.
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