| 摘要 |
<p>1,076,547. Sign posts. POLLAK STEEL CO. March 2, 1965 [March 6, 1964], No. 8936/ 65. Heading E1B. A hollow sign post built up on site comprises a pair of opposed flanged channels 13, 14 clamped together at intervals along their length by grooved saddle members 44, 54 housing wedges 49, 50 and 59, 60 engaging grooves in the flanges. In a modification, Fig. 6 (not shown), one of the wedges in each saddle member is replaced by an integral bead.</p> |
