Power extended tape measure

Details Power extended tape measure Power extended tape measure

1978-02-10

1979-05-22

Stephan, Steven L.

Geometrical instruments

Area integrators

Electrical

242 848, G01B 302, B65H 7516

Patent

active

041551680

ABSTRACT:
A resilient metallic measuring tape of concavo-convex cross-section is coiled in inside wound fashion against an inner peripheral surface of a cup rotatably mounted within a case. The leading end of the tape is laterally offset from the tape coil for extension through a side opening slot in the case. A one-way brake, normally engaging an outer peripheral cup surface to inhibit cup rotation in a tape uncoiling direction, is released to permit automatic uncoiling of the tape into a rectilinear state for progressive extension out through the slot. Brake engagement, however, does not impede cup rotation in the opposite direction incident to manual recoiling of the tape.

REFERENCES:
patent: 2131695 (1938-09-01), Stowell
patent: 3227391 (1966-01-01), Quenot
patent: 3228626 (1966-01-01), Quenot
patent: 3568319 (1971-03-01), Moll
patent: 3802083 (1974-04-01), Freed

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