Patent attributes
A self-locking hook includes an S shaped member having a first surface and a second surface, a first portion for receiving a support member and a second portion for supporting an object; a pivot pin extending through an opening in the S shaped member and extending from the first surface and the second surface; a first locking member held by the pivot pin to pivot against the first surface to defines an opening so that the first portion can engage the support member, to a position where the first locking member and the first portion form a closed loop to surround the support member; and a second locking member held by the pivot pin to pivot against the second surface to define an opening so that the second portion can receive an object to be supported, to a second position where the second locking member and the second portion form a closed loop.