Linear scale type displacement measuring instrument

Details Linear scale type displacement measuring instrument Linear scale type displacement measuring instrument

1985-05-14

1986-08-05

Little, Willis

Geometrical instruments

Area integrators

Electrical

33125A, 33125T, G01B 1104

Patent

active

046034803

ABSTRACT:
In a linear scale type displacement measuring instrument including: a case fixed to one of relatively movable members; a main scale; a carriage; index scales and a detector; the carriage and the other of the relatively movable members are connected to each other through a connecting mechanism, one end of which is connected to the carriage, the other end of which is connected to the other of the relatively movable members in a location where a section standard length of the main scale is maintained as it is when the main scale is straight, i.e. within the neutral planes of the case as a whole including the main scale mounted, and capable of permitting the carriage to change the posture thereof such that the index scales can be held in a state of perpendicularly intersecting the normal line of the surface of a warp of the main scale.

REFERENCES:
patent: 4160328 (1979-07-01), Ernst
patent: 4492032 (1985-01-01), Nelle
patent: 4512082 (1985-04-01), Burkhardt

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