Two-stage brake device of a tape measure

Details Two-stage brake device of a tape measure Two-stage brake device of a tape measure

1994-08-09

1995-03-07

Oberleitner, Robert J.

Winding, tensioning, or guiding

Reeling device

With spring motor

33767, 188 69, G01B 310

Patent

active

053950690

ABSTRACT:
A two-stage brake device of a tape measure, comprising a locking brake mechanism and a pull brake mechanism, wherein the locking brake mechanism includes a pivotable driving button for urging a brake plate to brake the tape and the pull brake mechanism includes an elastic pressing button having an integrally formed pressing plate, whereby when the pressing button is free from any pressing force, the pressing plate is elastically urged to press against the tape and substantially fix the tape at a desired extending length. While when the pressing button is pressed, the pressing plate is released and disengaged from the tape, permitting the tape to elastically retract into a housing of the tape measure.

REFERENCES:
patent: 4194703 (1980-03-01), Roe
patent: 4903912 (1990-02-01), Coughlin
patent: 4976048 (1990-12-01), Blackman
patent: 4998356 (1991-03-01), Chapin
patent: 5001843 (1991-03-01), Chapin
patent: 5007178 (1991-04-01), Dewive et al.
patent: 5210956 (1993-05-01), Knispel et al.

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