Arrangement for measuring the relative distance of closely adjac

Details Arrangement for measuring the relative distance of closely adjac Arrangement for measuring the relative distance of closely adjac

1987-11-06

1988-12-27

Haroian, Harry N.

Geometrical instruments

Gauge

Collocating

33147C, G01B 514

Patent

active

047930713

ABSTRACT:
The invention relates to an arrangement for measuring the relative distance of closely adjacent objects, in particular for measuring and adjusting the distance between a printing head and a roller in needle printers, in which the chamber of a distance measuring sensor filled with liquid, which chamber is bounded by a diaphragm-like wall, is reduced in volume by deflection, while a part of the liquid escapes into an ascending conduit visible from the outside. This arrangement can be particularly readily manipulated in that the distance measuring sensor (1) comprises a rigid base layer (4), to which a solid intermediate layer (5) is applied, which has recesses for forming the chamber and the ascending conduit adjoining an opening of the chamber (7), which are closed by the rigid base layer (4) and a rubber-elastic at least partly transparent covering layer (6).

REFERENCES:
patent: 1752964 (1930-04-01), Prange
patent: 2153534 (1939-04-01), Faught
patent: 2162425 (1939-06-01), Faught

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