Locks – Portable – Fetters
Patent
1976-04-16
1977-05-24
Wolfe, Robert L.
Locks
Portable
Fetters
E05B 7300
Patent
active
040247368
ABSTRACT:
A strap is used as a connection between two cuffs or shackles for the ankles of a prisoner. The strap is of a length which permits the prisoner to take a normal walking stride. A strap rewind reel mounted to one of the shackles receives the strap thereon and winds and unwinds the strap as the distance between ankles decreases and increases during walking by the prisoner. An automatic lock on the reel prevents unwinding at a rate which would permit the prisoner to run.
REFERENCES:
patent: 787430 (1905-04-01), Bonnel
patent: 2006743 (1935-07-01), Nagle
patent: 2650590 (1953-09-01), Moore
patent: 3426559 (1969-02-01), Schubach
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