Tape measuring ruler brake

Details Tape measuring ruler brake Tape measuring ruler brake

1988-07-19

1990-02-13

Cuchlinski, Jr., William A.

Geometrical instruments

Distance measuring

By flexible tape

2421073, G01B 310

Patent

active

048994600

ABSTRACT:
An improved stopping device for a measuring tape in a tape ruler over known tape rulers, which is structured and operates with only a simple pressing button, whereas conventional tape rulers have several parts. A pressing button 3 with an empty cavity 4, movable friction stopper 5, slit 6, protruding core bar 7, and coil spring separately form the ruler with a measuring tape 2 which is taken into the cavity through the slit and the spring is placed on the spring base plate 9. The measuring tape 2 can be stopped by the two stoppers, or released by pressing the pressing button 3.

REFERENCES:
patent: 3164907 (1965-01-01), Quenot
patent: 4288923 (1981-09-01), Duda
patent: 4449302 (1984-05-01), Drechsler
patent: 4489494 (1984-12-01), Duda
patent: 4765557 (1988-08-01), Kahmann

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