Tape lock mechanism

Details Tape lock mechanism Tape lock mechanism

1981-11-02

1984-10-02

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

33138, 2421072, B65H 7530, B65H 7534

Patent

active

044743408

ABSTRACT:
A steel measuring tape having a plastic casing with the tape coiled around a reel which encloses a recoiling spring. The tape projects through a slot at the bottom of the front wall of the casing, and is withdrawn in the standard manner against the action of the spring. A tape locking mechanism of unique design is positioned on the front face of the casing with a slide which is moved downwardly to lock the tape. An elongated locking strip has its bottom portion positioned directly above the tape, and is preset against the tape and clamps it against the bottom wall of the casing. Two unique mechanisms are disclosed for moving the locking strip to and from the locking position. Each of those mechanisms includes two angular arms which are engaged and elongated to move the locking slide downwardly into locking engagement with the tape.

REFERENCES:
patent: 2814881 (1957-12-01), Ljungberg
patent: 3942738 (1976-03-01), Rutty
patent: 4194703 (1980-03-01), Roe
patent: 4293058 (1981-10-01), Burton

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