Slide potentiometer

Details Slide potentiometer Slide potentiometer

1996-05-24

1998-10-20

Gellner, Michael L.

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

338160, 338118, H01C 1038

Patent

active

058252797

ABSTRACT:
A rail 30, having a long groove 31 on an upper surface thereof, is disposed in a space between an upper surface of cover 28 having an elongated hole 29 and an insulating substrate 21. With this arrangement, water or the like, entering from the upper part of cover 28, falls directly or via a groove 27a formed on an upper surface of a slider 25 and is settled or accumulated in long groove 31 of rail 30. Excellent dust-protective and waterproofing effects are obtained. Furthermore, these entering substances are drained via long groove 31 of rail 30, preventing them from spraying out to uncertain places.

REFERENCES:
patent: 3365691 (1968-01-01), Hillman
patent: 3693129 (1972-09-01), Shimizu
patent: 3746923 (1973-07-01), Spira et al.
patent: 3883840 (1975-05-01), Dornen et al.
patent: 3996550 (1976-12-01), Yano et al.
patent: 4047146 (1977-09-01), Takeyama
patent: 4060789 (1977-11-01), Achtmann et al.
patent: 4101864 (1978-07-01), Van Benthuysen
patent: 4172248 (1979-10-01), Okuya
patent: 4274074 (1981-06-01), Sakamoto
patent: 4369424 (1983-01-01), Miyamoto
patent: 4583032 (1986-04-01), Nunziata et al.
patent: 4947054 (1990-08-01), Flowers et al.
patent: 4975677 (1990-12-01), Tamura

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