Geometrical instruments – Distance measuring – By flexible tape
Patent
1990-05-23
1991-07-23
Haroian, Harry N.
Geometrical instruments
Distance measuring
By flexible tape
33759, 33770, 33769, G01B 308
Patent
active
050332023
ABSTRACT:
A suspension-type height measuring device has a main measuring unit having a first tape containing case with a spring loaded first tape reel therein and a first brake device controlled by a first control key, a right-angled rule having a second tape containing case with a spring loaded second tape reel therein and a second brake device controlled by a second control key, and a measuring tape with opposite ends wound on the respective tape reels. The first tape case can be attached to a support at a height no greater than the length of the measuring tape and the first control key actuated to release the measuring tape, and an indication set to zero and the second control key engaged with the second brake device for gripping the measuring tape, and the right-angled rule can be moved downwardly to a floor at the foot of the support for unwinding the measuring tape from the first reel, and then the second control key can be actuated to release the measuring tape and the right-angled rule can be allowed to rise to wind the measuring tape onto the second tape reel, and thereafter the height of a person standing under the device can be measured by lowering the right-angled rule and reading the height of the person through a viewing device.
REFERENCES:
patent: 2728143 (1955-12-01), Buchet
patent: 2854753 (1958-10-01), Caparros
patent: 4186490 (1980-02-01), Quenot
patent: 4896432 (1990-01-01), Kang
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