Segmented longitudinal measuring device

Details Segmented longitudinal measuring device Segmented longitudinal measuring device

1978-06-02

1979-07-10

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33125C, 356383, G01B 1104

Patent

active

041603281

ABSTRACT:
A segmented longitudinal measuring device is disclosed which includes a plurality of hollow tubular housing segments. Inside each housing segment is mounted an intermediate support member which in turn serves as a mounting surface for a measuring scale segment. Thus, each segment forms a complete modular unit containing a length of measuring scale, intermediate support member, and housing. Generally the coefficient of thermal expansion of the support members is matched to that of the scale segments, and the support members are mounted on the housing segments in a longitudinally displaceable manner, as by a layer of resilient elastomeric material, for example. The measuring device also includes means for compressing the support members together, end to end, to form a continuous structure extending along the measuring direction. Adjustable contact members are provided between adjacent support members for precise adjustment of the separation between adjacent support members.

REFERENCES:
patent: 2795992 (1957-06-01), Tao
patent: 3108378 (1963-10-01), Rantsch
patent: 3622411 (1971-11-01), Koshiishi
patent: 3816022 (1974-06-01), Wieg
patent: 4060903 (1977-12-01), Ernst

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