Patent ID: 7484775

Claim:
A pipe joint restraint comprising: an annular retainer gland defining a pipe-receiving space therethrough and having an axial centerline; at least one pocket associated with the annular retaining gland and having an opening confronting the pipe-receiving space and a top wall radially outwardly of the opening, the top wall defining at least one fulcrum fixed a predetermined distance from the axial centerline of the annular retainer gland; a gripping element having at least one gripping edge adapted to engage a pipe received in the pipe-receiving space; an adjustment member extending within the pocket and threadably coupled to the gripping element, wherein the adjustment member is pivotable about the at least one fulcrum with the gripping element such that the at least one gripping edge moves toward the axial centerline of the annular gland in response to movement, along the axial centerline of the annular gland, of a pipe received in the pipe-receiving space and engaged by the at least one gripping edge of the gripping element; a stop associated with the pocket, the stop limiting pivotal movement of the gripping element about the at least one fulcrum; and the at least one pocket further including a rear wall extending radially inwardly from the top wall, the stop defined on the rear wall.