| 摘要 |
<p>PURPOSE:To eliminate a welding work when a grill holding frame is fixed to an opening of a top plate. CONSTITUTION:A grill 6 is installed at an opening arranged at an outer installing plate 2 of an air conditioner or the like through a holding frame 4. The holding frame 4 is comprised of a plurality of frames 41, 42, 43 and 44 installed at each of the sides of the opening. Each of the frames 4 is provided with grooves 41b, 42b, 43b and 44b at the opening edge of the opening part at one surface. The frame members 43 and 44 installed at at least two opposing sides have holding portions 43d and 44d for holding the grill 6 at the other surface.</p> |
