Patent ID: 8661766

Claim:
A wall anchor for use in a cavity wall to connect to a veneer tie to join an inner wythe and an outer wythe of the cavity wall, the wall anchor comprising: an elongate body having a driven end, a driving end and a longitudinal axis; and a collar mounted on the elongate body for rotation about the longitudinal axis of the elongate body, the collar being adapted for connection to the veneer tie; rotation control structure operatively engaging the collar and elongate body to permit rotation of the collar in a first direction relative to the elongate body about the longitudinal axis of the elongate body and to prevent rotation of the collar relative to the elongate body about the longitudinal axis of the elongate body in a second direction opposite the first direction; the rotation control structure comprising ratchet teeth associated with one of the elongate body and the collar and a pawl associated with the other of the elongate body and the collar, wherein the ratchet teeth each extend in the direction of the longitudinal axis of the elongate body and project radially outwardly from the longitudinal axis.