Handcuffs made of dissimilar materials

Details Handcuffs made of dissimilar materials Handcuffs made of dissimilar materials

2006-11-28

2006-11-28

Barrett, Suzanne Dino (Department: 3676)

Locks

Portable

Fetters

C070S018000

Reexamination Certificate

active

07140208

ABSTRACT:
The handcuff assembly includes a bow pivotally connected to a cheek plate frame assembly which includes a unitized frame that is die stamped from a metal plate and which is overmolded with a polymer overmold. The bow and arcuate cheek arms engage a wrist of a person to be restrained with an envelope of the bow being defined by a conic path with an increasing arc. The bow and cheek arms have rounded inner edge surfaces. The cheek arms have reinforcing ribs. The molded polymer covering surrounding the cheek arms provide a round on the inner edge of the cheek arms which engage a wrist. The unitized frame has interlocking tabs on folded side plates of a base frame. A flat is provided on an outer surface of the bow for lining up a point of contact with a wrist. A removable lockset assembly for locking a pawl relative to ratchet teeth on the bow and including a slideable lock bar is received in the base frame. A key receiving structure on each side of the lockset assembly is provided for receiving a key and enabling the key to turned in one direction only for first unlocking a double-lock, which prevents movement of the bow in either direction and for secondly, completely unlocking the handcuff by moving the pawl away from the bow and against a spring mechanism. A deflectable detent is provided on a lockset housing for releaseably locking the lockset assembly within the base frame of the molded cheek plate assembly. A swivel cup is fixed in the base frame of the cheek plate assembly prior to polymer overmolding and a swivel with a welded chain link mounted thereon and has a swivel pin which is received in the swivel cup.

REFERENCES:
patent: 7007519 (2006-03-01), Parsons
patent: 2004/0016268 (2004-01-01), Makos et al.

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