| 摘要 |
PROBLEM TO BE SOLVED: To enable attachment of two speakers so that the two speakers are aligned with each other vertically so as to constitute the same plane with a simple construction.SOLUTION: A wall attachment metal fitting 17 has a fixing plate portion 25 attached to a wall 23 or a pole, a support plate portion 27 projecting vertically from the fixing plate portion 25, a lower-stage speaker hook groove 29 which is cut out from the upper edge of the support plate portion 27 and serves as a lower-stage speaker upper hole portion 45 at the lower end thereof, a lower-stage speaker lower hole portion 31 which is located below the lower-stage speaker upper hole portion 45 and in proximity to the fixing plate portion 25, an upper-stage speaker hook groove 33 which is cut out from the upper edge of the support plate portion 27 and serves as an upper-stage speaker upper hole portion 49 at the lower end thereof, and an upper-stage speaker lower hole portion 35 which is located on a second forward-sloped line parallel to a first forward-sloped line passing through the lower-stage speaker upper hole portion 45 and the lower-stage speaker lower hole portion 31 and located below the upper-stage speaker upper hole portion 49 with the same inter-center-hole distance as the lower-stage speaker upper hole portion 45 and the lower-stage speaker lower hole portion 31.SELECTED DRAWING: Figure 6 |
