Illumination – Illuminated scale or dial
Patent
1979-01-26
1982-05-11
Barr, J. L.
Illumination
Illuminated scale or dial
362 89, 362390, 362391, G01D 1128
Patent
active
043297366
ABSTRACT:
A lamp support apparatus is disclosed for mounting an incandescent lamp to an electro-optical measuring device mountable on a machine tool. This apparatus includes a spring element for resiliently mounting the lamp to the measuring device and a damping element for damping the oscillations of the lamp. The spring element and the damping element cooperate to protect the lamp from damaging oscillations such as are often encountered in a machine tool environment.
REFERENCES:
patent: 1870609 (1932-08-01), Dake
patent: 2860233 (1958-11-01), Johnson
patent: 3327110 (1967-06-01), Baldwin
patent: 3666940 (1972-05-01), Magi
Nelle Gunther
Oberhans Johann
Barr J. L.
Johannes Heidenhain GmbH
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