Patent ID: 8720958

Claim:
A locking mechanism for permitting first and second objects to slide by each other and for fixing the first and second objects together in a nonsliding fashion, the locking mechanism comprising: a) a base, the base being fixed to the first object, the base including a lip that confronts the second object; and b) a swinging element, the swinging element having first and second ends, the first end being pivotally connected to the base on a first axis, the second end having a roller on a second axis, the first and second axes being parallel to each other, the swinging element being swingable away from the base to an unlocked position in which the first and second objects can slide by each other, the swinging element being swingable toward the base to a locked position in which the roller engages the second object such that the roller pinches the second object to the base that is fixed to the first object such that the first and second objects are fixed together in a nonsliding fashion.