Electrical resistors – Mechanically variable – Movable contact electrically adjustable over length of...
Patent
1986-05-01
1987-07-14
Albritton, C. L.
Electrical resistors
Mechanically variable
Movable contact electrically adjustable over length of...
338184, 338199, H01C 1038
Patent
active
046805702
ABSTRACT:
A linear potentiometer, which is used for measuring the relative movement between component parts of a processing machine, particularly an injection molding machine, wherein the covering band of the linear potentiometer, which band covers a longitudinal slit in the upper surface of a tubular housing for a resistance element, is guided through the potentiometer slide per se by means of through openings with a slight upward curvature. As a result, the prerequisites are met that the entire potentiometer slide, including its guide ribs, its slide body and its anchoring plate for a joint, can be formed as an integral cast shaped part made of a high-polymer material. With this type of a slide embodiment, the accuracy of measurement can be kept at a sufficiently high level over long periods of time, even under conditions of extremely sever strains.
REFERENCES:
patent: 3588779 (1971-06-01), Goerg
patent: 3639880 (1972-02-01), Oka
patent: 3887892 (1975-06-01), Rozema et al.
patent: 3996550 (1976-12-01), Yano et al.
Novotechnik KG, Offterdinger GmbH and Co., D-7302 Ostfildern, Federal Republic of Germany, (2 pages).
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