| 摘要 |
1322514 Furniture joints J H VARICHON and P R P FREDON 15 Sept 1970 [17 Sept 1969] 43982/70 Heading A4H In a tubular frame work comprising tubes 1 interconnected by spigot members each spigot member comprises solid or hollow cylindrical spigots 3 radiating from a central body 5, each tube 1 comprises a cylindrical body whose internal diameter is slightly less than the external diameter of the spigots 3, and each tube 1 has a slit 4 along a generator to allow it to expand resiliently on insertion of a spigot 3. The tubes or the spigots may have an elliptical cross-section. The tubes 1 are cold-shaped from a stainless steel sheet or strip, and may include a sheath of elastic plastics or of brass. The spigots 3 are welded or brazed to the body 5. |
