Tape measure lock

Details Tape measure lock Tape measure lock

1988-08-24

1990-07-03

Jillions, John M.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

242 848, 33797, B65H 7548

Patent

active

049384309

ABSTRACT:
The tape measure includes a lock for locking the tape in an extended position from its case. The lock includes a toggle pivotably mounted on the case and a lock shoe extending from one end of the toggle to a position adjacent the tape. When the toggle is depressed, the lock shoe is forced against the tape so as to wedge the tape between the lock shoe and the case to prevent its retraction. The lock shoe includes a series of opposed recesses to permit the lock shoe to compress in length upon engagement with the tape. The lock shoe also includes a bend which translates the diagonal movement of the toggle into a vertical movement of the lock shoe.

REFERENCES:
patent: 3415461 (1968-12-01), Zelnick
patent: 3578259 (1971-05-01), Zelnick
patent: 4131244 (1978-12-01), Quenot
patent: 4194703 (1980-03-01), Roe
patent: 4293058 (1981-10-01), Burton
patent: 4479617 (1984-10-01), Edwards
patent: 4527334 (1985-07-01), Jones et al.

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