Patent ID: 8336345

Claim:
A handcuff comprising: a fixed portion carrying a pivot end and a lock housing at an opposing end remote from said pivot end; a movable portion pivotally connected to said pivot and including a ratchet end remote from said pivot, said movable portion being configured to insert said ratchet end into said lock housing; a lock apparatus located within said lock housing and being operable to engage said ratchet end of said movable portion to lock said ratchet end within said housing, said lock apparatus including a ratchet member movable between a lock position engaged with said ratchet end of said movable portion and an unlock position in which said movable portion is free to move without restriction from said ratchet member; and a remote unlock mechanism mounted on said fixed portion at a location spaced from said lock housing toward said pivot end, said remote unlock mechanism having a secondary keyhole that is operable to receive a handcuff key that selectively causes a motion transfer mechanism housed within said fixed portion to interconnect said secondary keyhole and said ratchet member to move said ratchet member in said lock housing into said unlock position.