| 摘要 |
A system for attaching a backing plate to a picture frame structure includes at least one clip releasably attached to the edge of the backing plate, the clip having a member which extends outwardly from the clip along substantially the same plane as the backing plate. The member of the clip is received within a groove formed in the picture frame structure. The system also includes a sliding lock mechanism releasably attached to the edge of the backing plate at a location generally opposite to the location of the clip. The sliding lock mechanism has a sliding lock member movable between a retracted position in which the sliding lock member is retracted inboard with respect to the peripheral edge of the backing plate and an operable position in which the sliding lock member is extended outboard beyond the peripheral edge of the backing plate and into the groove of the picture frame structure. The arrangement is such that the clip and sliding lock member of the sliding lock mechanism, when in its operable position, releasably secure the backing plate to the picture frame structure and by moving the sliding lock member to its retracted position, the backing plate can be removed from the picture frame structure.
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