| 摘要 |
<p>A hand railing assembly for balconies, stairways and the like is supplied to a building site in kit form and is assembled by snap lock connections that have positive stops for increased rigidity. The improvement to a hand railing assembly with a top rail and a bottom rail secured in spaced apart parallel relationship by a plurality of spaced apart vertical pickets, comprises each of the vertical pickets having a substantially H-shaped cross section with curved flanges and a center web, the top and bottom rails each having a first member and a second member, the first member extending for the length of the railing assembly and having pairs of slots spaced apart along the length, the pairs of slots holding the flanges at the ends of the pickets, the second member positioned in opposing grooves in the first member having a snap lock connection to notches located in the flanges at the ends of the pickets, and a first positive stop for the end of each of the flanges, the web of each of the pickets being cut out at the end of the pickets to provide a second positive stop with the first member between slots in each of the pairs of slots.</p> |
