Leveling pole

Details Leveling pole Leveling pole

1979-03-16

1980-10-21

Stephan, Steven L.

Geometrical instruments

Area integrators

Electrical

33161, 33296, G01B 310, G01B 308, G01C 1500

Patent

active

042285909

ABSTRACT:
A leveling pole comprising telescopically slidable inner liners, wherein an outermost liner is provided detachably with a case for receiving a tape-line connected to an innermost liner through the outermost liner and each inner liner except for the innermost liner, the tape-line being bilaterally graduated in selected two kinds of linear measure systems to alternatively indicate one of the graduations corresponding to the movement of each inner liner to and from the outermost liner through an aperture which is formed on the case and covered with a shutter slidable across the aperture. The invention further involves the art wherein a hook is detachably mounted onto the foremost end of the innermost liner thereby making it possible to measure the height of an object exceeding the total length of the pole.

REFERENCES:
patent: 1079457 (1913-11-01), Wesson
patent: 2028836 (1936-01-01), Holgate
patent: 3680214 (1972-08-01), Quenot

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