Geometrical instruments – Area integrators – Electrical
Patent
1979-12-07
1982-03-23
Martin, Jr., William D.
Geometrical instruments
Area integrators
Electrical
33484, 356373, G01B 1104
Patent
active
043205780
ABSTRACT:
A mounting apparatus for a length measuring instrument for having a housing, a scale, and a scanning unit that scans the scale includes a first mounting element for rigidly attaching one end section to the housing to a mounting surface, a flex element connected to the second end section of the housing, and a second mounting element for attaching the flex element, and thus the second end section of the housing to a mounting surface. The flex element is inelastic but flexible in the direction longitudinal with respect to the scale and serves to rigidly mount the instrument in directions transverse to the scale while allowing the housing to thermally expand or contract longitudinally.
REFERENCES:
patent: 3816002 (1974-06-01), Wies
patent: 4060903 (1977-12-01), Ernst
patent: 4160328 (1979-07-01), Ernst
patent: 4170826 (1979-10-01), Holstein
West German Patent DE-GM No. 7513496.
Dr. Johannes Heidenhain GmbH
Martin, Jr. William D.
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