| 摘要 |
A picture frame assembly incorporates at least one angled slotted shim tab and preferably a plurality of angled slotted shim tabs each movably mounted on a backing member of the picture frame assembly and with each shim tab cooperating with a shim tab receiving groove circumscribed, formed, or cast in a back picture opening rabbet return of an outer frame of the frame assembly to secure an artwork within the outer frame. In use, the angled slotted shim tab is pressured into close engagement with the shim tab receiving groove by an angled slot in the shim tab acting against outer portions of a threaded insert mounted transversely in the backing member near its outer edge and a capscrew that is threaded through the angled slot and tightened to secure the shim tab to the backing member.
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