Vertical alignment tool for underground installation

Details Vertical alignment tool for underground installation Vertical alignment tool for underground installation

1996-11-25

1998-09-01

Graysay, Tamara L.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33308, 33645, 405 53, 405303, G01C 1510

Patent

active

057994056

ABSTRACT:
An aligning tool, involving plumb bob usage, for a fully assembled underground elevator ram system is provided and makes it possible to align the elevator ram into a required vertical position. Further this allows the fully assembled elevator to be vertically installed at site in a hole which often is flooded by groundwater.

REFERENCES:
patent: 3879852 (1975-04-01), Bondi
patent: 4495707 (1985-01-01), Rousey
patent: 4674188 (1987-06-01), Fisher

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