E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
E05B 75/00 (2006.01)
Patent
CA 2069472
A triple-lock handcuff of the type having a blade pivotally joined to spaced-apart cheek plates for movement through a locking channel includes several improvements. The lock assembly includes first and second pawl members resiliently urged toward the channel independently of one another by separate springs. A key operated extractor block carries a yoke for moving both pawl members simultaneously away from the channel to open the handcuff. The first and second pawl members are spaced-apart within the locking channel. An elongate resilient cushion is arranged along the inner edge of the blade so as to assume a first unloaded profile capable of passing between the cheek plates and, alternately, a second profile when bearing upon a limb, incapable of passing between the cheek plates. A sleeve detachably fastens the cushion to the blade's inner edge while leaving the blade's outer edge free of overlay. When the cushion is loaded, the sleeve locks the cushion on the edge of the blade by urging a pair of opposed feet into grooves formed in the side of the blade.
Corcoran Dan E.
Oyen Wiggs Green & Mutala Llp
LandOfFree
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