A receptacle has a recess and a passageway. A ball extends upwardly for receiving thereon a hitch. The ball is secured with respect to a coupling plate. A projection is received within the recess. The projection has a passageway with a pin. A locking assembly has a fixed portion. The fixed portion has a sleeve. The sleeve is secured with respect to the coupling plate. A passageway extends through the coupling plate. A removable portion has a retaining bar. The removable portion has a portion adapted to be removably coupled with respect to the sleeve with a passageway and a pin.
RELATED APPLICATION
The present application is a continuation-in-part of pending U.S. patent application Ser. No. 11/061,210 filed Feb. 18, 2005, the subject matter of which is incorporated herein by reference.
An arched door frame for use within an arched opening in a framed, wallboard clad wall comprises: two similar door frame side portions each having a lower straight portion, an upper rounded portion, and an upper connection edge portion; wherein each door frame side portion has a jamb having a width generally equal to a stud width and two thicknesses of wallboard, and a contoured casing attached to both a front and rear edge portion of the jamb; and, frame side alignment and connection maintenance means to centrally align and maintain the two frame side portions in close proximity. In a preferred aspect the frame alignment means comprises clip holes and dowels, and the connection maintenance means comprises a front and back U shaped clip having opposite ends which are received in the clip holes, one clip hole in an outer edge of each jamb side portion.