Linear gauge

Details Linear gauge Linear gauge

1980-10-21

1982-05-04

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

G01B 702

Patent

active

043274943

ABSTRACT:
A linear gauge comprising: a frame; a spindle axially slidably supported by a frame and provided at the forward end thereof with a measuring element; a movable block fixed on the inner end portion of the spindle; a glass scale fixed in the frame in parallel to the spindle; a luminous element, an index scale and a receptor element, all of which are supported by the movable block, with the glass scale interposed between the luminous element and the index scale; a takeup pulley provided at the upper portion in the frame and a guide pulley provided at the lower portion in the frame; a cord connected at one end thereof to the takeup pulley, at the other end to the movable block and wound around the guide pulley; and a spring engaged between the upper pulley and the frame for biasing the upper pulley in the rotating direction corresponding to the outwardly extending direction of the spindle.

REFERENCES:
patent: 3460263 (1969-08-01), Graham
patent: 4008523 (1977-02-01), Voros
patent: 4117601 (1978-10-01), Kober et al.

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