| 摘要 |
A quick change frame for pictures comprising frame moldings and corner joints for detachable connection of the latter together. The frame moldings are in the form of hollow rails with at least one opening arranged on each side in a frame molding side wall enclosing the cavity. The corner joints comprise angle pieces with the shape and size of the cross-section of angle arms corresponding to the frame moldings. On the angle arms there is at least one male detent part extending out of a plane of these arms. When the angle arm has been inserted into the cavity of the respective hollow rail the male detent part releasably snaps into the respective opening provided in the side wall. |
