Patent ID: 8601915

Claim:
A wrench stop comprising: a wrench piece having opposite ends that include respective engagement apertures for fitting with a head member to be engaged by the engagement aperture; said wrench piece having a substantially planar upper mounting surface that is disposed between said opposite ends thereof; a pair of separate slide members each constructed and arranged for mounting adjacent to the respective engagement aperture and each including an end catch; said slide members being elongated, spacedly disposed along said wrench piece mounting surface and having retracted and extended positions; said slide members, in the retracted position thereof, each having the end catch disposed away from the engagement aperture; said slide members, in the extended position thereof, each having the end catch disposed over the engagement aperture to prevent the wrench piece from moving downwardly and disengaging from the head member; said slide members furthermore, in the extended position thereof, each having the end catch disposed over the head member to prevent the wrench piece from moving downwardly as the wrench piece is used to tighten or loosen the head member; a pair of retaining blocks fixed to the mounting surface of the wrench piece adjacent to the respective engagement aperture, spacedly disposed along said wrench piece mounting surface and each having an elongated passage for slidably receiving the respective elongated slide member to enable the slide member to slide between extended and retracted positions; and a pair of first stops each fixed to the wrench piece mounting surface and spacedly disposed along said wrench piece mounting surface for contact with a respective elongated slide member to limit the retracted position of the respective slide member; each said first stop disposed inboard of a respective retaining block.