Rope locking device

Details Rope locking device Rope locking device

1995-02-17

1996-07-02

Oberleitner, Robert J.

Brakes

Strand

188 652, 24132WL, 24134R, B65H 5916, F16G 1100

Patent

active

055312977

ABSTRACT:
A rope locking device and method are provided to prevent inadvertent rope movement of counterbalanced riggings as used in theaters and auditoriums. The locking device housing is rigidly supported on a floor or wall and includes a handle to manually release a handline passing therethrough as needed. Resiliently mounted jaws with teeth within the housing adjustably grip the handline and prevent slippage thereof. When there is an out-of-balance condition, the jaws grip the handline even though the manual release handle is moved to its release position.

REFERENCES:
patent: 2991526 (1961-07-01), Kuebler
patent: 3327999 (1967-06-01), Mitchell
patent: 4278042 (1981-07-01), Lindquist
patent: 4669582 (1987-06-01), Sandreid
patent: 4790049 (1988-12-01), Grosh
patent: 5083350 (1992-01-01), Sandreid

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