Tape measure

Geometrical instruments – Distance measuring – By flexible tape

Patent

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Details

33769, 2423951, G01B 310

Patent

active

057180563

ABSTRACT:
A tape measure is provided which has less rotational wearing and trouble, increased reliability of cooperative rotation, and an easier assembling and disassembling structure. The tape measure is characterized in that a unitized gear mechanism can be taken out from outside, and a sub-rotary disc axis member and a take-up drive can be rotated together.

REFERENCES:
patent: 1555167 (1925-09-01), Switzer
patent: 3261567 (1966-07-01), Quenot
patent: 3918657 (1975-11-01), Hawker et al.
patent: 5042159 (1991-08-01), Millen
patent: 5448837 (1995-09-01), Han-Teng

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