LEVELING ROD FOR GEOMETRICAL SURVEY Russian patent published in 2015 - IPC G01C15/06 

Abstract RU 2569940 C1

FIELD: instrumentation.

SUBSTANCE: claimed rod has two butts rigidly connected with invar scale. Said butts are loaded relative to the rod body by compression springs, their total force should exceed the rod body weight. Said butts displace along with the rod axis in slide guides.

EFFECT: ruled out influence of temperature and other body stresses on measurement error.

3 dwg

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RU 2 569 940 C1

Authors

Golygin Nikolaj Khristoforovich

Fedoseev Jurij Evgen'Evich

Kljuchnikov Dmitrij Anatol'Evich

Vlaskin Leonid Ivanovich

Dates

2015-12-10Published

2014-07-18Filed