Power return tape

Details Power return tape Power return tape

1983-09-30

1985-07-09

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

242107, G01B 310

Patent

active

045273340

ABSTRACT:
A measuring device comprises an outer casing and an inner drum mounted on a central hub of the casing. The drum has an innermost rim, an intermediate rim, and an outermost rim, each of the rims having a different diameter. The intermediate and innermost rims are arranged on one side of the drum while the outer rim is arranged on an opposite side of the drum. A tape is wound onto the intermediate rim on one side of the drum while a spring is wound inside the outer rim on the other side of the drum. This side-by-side arrangement of the tape and spring allows a lengthy tape, for example, 50 feet or more, to be quickly returned, compactly stored, and easily carried. A resilient shock-absorbing bumper is also provided around the periphery of the outer casing.

REFERENCES:
patent: 889570 (1908-06-01), Ayers
patent: 913703 (1909-03-01), Darter
patent: 1245704 (1917-11-01), Gowrie
patent: 1945842 (1934-02-01), Witchger
patent: 2129582 (1938-09-01), Johansson
patent: 2709393 (1955-05-01), Anderson

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