Patent ID: 8210006
Filing Date: 2012-07-03
Classification: E05B,Y10T

Abstract:
1. Handcuffs, each handcuff comprising: two fixed, arc-shaped hooks, the two fixed arc-shaped hooks being engaged with each other at one end to define an accommodation chamber therebetween that is open toward an inside of each fixed arc-shaped hook, and a pivoting end of the two arc-shaped hooks disposed away from the end defining the accommodation chamber, and further having a key hole disposed in one of the two fixed arc-shaped hooks and being open to at least one outer surface of one of the arc shaped hooks, the key hole being disposed at one side of the accommodation chamber of the fixed, arc-shaped hooks so as to provide access into the accommodation chamber from the outer surface; a movable, arc-shaped hook with one pivoting end disposed away from the accommodation chamber, the pivoting end of the movable hook being connected to the pivoting end of the fixed arc-shaped hooks and the movable, arc-shaped hook being pivoted between the two fixed arc-shaped hooks at the pivoting end of the two fixed arc-shaped hooks, and further having a plurality of projecting teeth and a middle channel penetrating through each projecting tooth are provided on the outer periphery at the other end of the movable arc-shaped hook disposed away from the pivoting end of the movable arc-shaped hook, and the plurality of projecting teeth being capable of penetrating into the accommodation chamber as the movable arc-shaped hook pivots about the pivoting ends; a plurality of identical locking members provided in parallel with each other, one end of each locking member being jointly pivoted inside the accommodation chamber, each locking member having a top side and a bottom side, and at the other end adjacent the key hole having a side projecting part projecting outwards in a direction away from the pivoted end of the locking members and adjacent the key hole, and further having a plurality of lock projecting teeth on the bottom side of each locking member, the lock projecting teeth on the bottom side of each locking member facing an open side of the accommodation chamber and being oriented to engage the projecting teeth of the movable arc-shaped hook; at least one spacer provided between the plural locking members, with one end of the spacer being jointly pivoted together with the locking members in the accommodation chamber, a stop projecting part of the spacer corresponding to and cooperating with the lock projecting teeth of the locking members being provided at the other end of the spacer; and at least one elastic member provided adjacent to and in contact with each locking member on the top side and within the accommodation chamber so as to bias the lock projecting teeth of the locking members toward the plurality of projecting teeth of the movable, arc-shaped hook when the movable, arc-shaped hook is within the accommodation chamber, the at least one elastic member abutting against the locking members so that the lock projecting teeth thereof can maintain inward elasticity in order to fit between the plurality of projecting teeth of the movable arc-shaped hook, and the spacer being inserted into the middle channel of the movable, arc-shaped hook.