Patent ID: 9500012
Filing Date: 2016-11-22
CPC Classification: B60N,E05B,E05C,Y10T

Claim Text:
1. A lock device, comprising: a striker, which is provided to one of a movable structure and a stationary structure; a hook, which is provided to another of the movable structure and the stationary structure and formed with a groove into which the striker is capable of entering, wherein the hook is rotatable from an unlock position, at which the striker is capable of entering into the groove, to a lock position, at which the striker is restricted from being released from the groove; a pawl, which is provided to be rotatable and is engaged with the hook located at the lock position to restrict the hook from rotating; and a biasing unit, by which the hook and the pawl are biased in an engaging direction, wherein an outer peripheral portion of the hook is formed with a recess, which is formed to extend inwardly from a peripheral surface, and a first face, which is formed between the recess and the groove and intersects a rotation direction of the hook, wherein the pawl is formed with a protrusion, which is detachably engaged with the recess of the hook, and a second face, against which the first face of the hook is capable of abutting, wherein the recess of the hook is formed so that a width of the recess in a rotary plane of the hook is inwardly narrowed, wherein the recess includes a bottom surface and two wall surfaces, the two wall surfaces facing each other, wherein the protrusion of the pawl abuts the two wall surfaces of the recess, at the lock position, and wherein, when the hook is located at the lock position, a gap is formed by the first face of the hook and the second face of the pawl, and the gap is located between the first face of the hook and the second face of the pawl.