Tape measure with flexible braking strips

Details Tape measure with flexible braking strips Tape measure with flexible braking strips

1997-08-07

1998-11-03

Will, Thomas B.

Geometrical instruments

Distance measuring

By flexible tape

2423854, 2423847, G01B 310

Patent

active

058291547

ABSTRACT:
Disclosed is a tape measure provided with flexible braking strips for conveniently controlling rewinding of the tape, about the reel of the tape measure. The braking strips have arcuate middle portions which are provided at concave surfaces with two rows of discontinued pressing blocks corresponding to circumferential edges of two side plates of the reel, such that when the arcuate middle portions of the braking strips projecting from the case of the tape measure are depressed, the pressing blocks frictionally contact with the circumferential edges of the reel and stop the reel from rotating backward, and therefore, the tape is prevented from rewinding after it has been pulled outward for measuring purpose.

REFERENCES:
patent: 3482798 (1969-12-01), Kawaguchi
patent: 4765557 (1988-08-01), Kahmann
patent: 4899460 (1990-02-01), Kang
patent: 4903912 (1990-02-01), Coughlin
patent: 5245761 (1993-09-01), Waldherr
patent: 5395069 (1995-03-01), Chen
patent: 5400521 (1995-03-01), Waldherr
patent: 5657551 (1997-08-01), Lin

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