US Patent 7272903 Picture frame turn button

A picture frame turn button has a base plate with at least one fastener for attaching the base plate securely to a picture frame back. Pivotably mounted to the base plate is a latch plate with an arm and a tongue portion opposite of each other. The latch plate may be pivoted about base plate between an engaged state, where the picture frame back is locked closed, and a disengaged state, where the picture frame back may be removed to replace a picture sandwiched between the picture frame and picture frame back.