Linear-movement potentiometer

Details Linear-movement potentiometer Linear-movement potentiometer

1989-11-08

1991-12-10

Lateef, Marvin M.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338164, 338176, 338183, H01C 102

Patent

active

050722069

ABSTRACT:
A linear-movement potentiometer having an operating rod 25 projecting at both ends from a substantially hermetic casing and connectable at one end 26 to a drive member, and first and second bearings 33, 34 disposed between the casing and the operating rod for supporting the operating rod for a linear sliding motion relative to the casing. A sealing arrangement is provided between the casing and both ends of the operating rod. A sliding variable resistor assembly 38 including a resistor and a contact relatively slidable with each other is disposed within the casing, and one of the resistor and the contact is operatively connected to the operating rod for establishing a relative sliding movement between the resistor and the contact. A cover 54 may be sealingly secured to the casing for covering the end of the operating rod, and the operating rod may have an air passage 28 axially extending therethrough.

REFERENCES:
patent: 3456228 (1969-07-01), Wright
patent: 3621438 (1971-11-01), Wright
patent: 4473814 (1984-09-01), Blessing
patent: 4523514 (1985-06-01), Burk

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