Patent ID: 8925162
Filing Date: 2015-01-06
Classification: B66C,F16B,Y10T

Abstract:
1. A locking hook, comprising: a hook member having a first portion, a second portion, and a gripping portion, wherein the gripping portion has at least a connecting portion and a hollow portion for a user to grip the gripping portion; the connecting portion has an end affixed to the first portion; the first portion has an operating portion on a side thereof; and a width of the operating portion is substantially equal to a width of the end of the connecting portion; a lock member pivoted on the first portion of the hook member to be turned between a first position and a second position, and having an end portion and a protrusion, wherein the end portion touches the second portion of the hook member when the lock member is turned to the first position; the protrusion is moved in a moving path as the lock member is turned between the first position and the second position, and the moving path is a curve path with a center of curvature, which is a center of rotation of the lock member; and the protrusion has a stop face; and a latch member provided on the operating portion of the hook member to be moved between a lock position and an unlock position, wherein a moving path of the latch member is parallel to the center of rotation of the lock member; further wherein the latch member has a large diameter portion and a small diameter portion; when the latch member is moved to the lock position and the lock member is turned to the first position, the large diameter portion is moved to the path of the protrusion, and touches the stop face of the protrusion to restrict the lock member at the first position.