Tape measure having two tapes

Details Tape measure having two tapes Tape measure having two tapes

1983-02-22

1985-03-26

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

G01B 310

Patent

active

045064466

ABSTRACT:
Two mutually exclusively operable tape measures mounted in a housing such that each tape is adapted to extend linearly from opposite ends of the housing. Each tape measure is adapted to engage a series of gears which, when engaged, turn a counter to total the distance to which the tapes are linearly extended from the housing.
Only one of the two tapes may be engaged at one time. Upon the extension of either of the two tapes, the counter is actuated to register the total distance between the ends of the tapes.

REFERENCES:
patent: 2240753 (1941-05-01), Bouchard et al.
patent: 3885314 (1975-05-01), Banas, Sr.
patent: 4186490 (1980-02-01), Quenot

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