| 摘要 |
1,229,137. Resilient mounting. OKAMURA MFG. CO. Ltd. 7 Oct., 1969 [30 May, 1969], No. 49259/69. Heading A4U. A seat or chair back 25 pivots on tube 3 fixed to a support 1 and is controlled by a torsion rod 10 via a lever 18 on the rod and engaging the seat 25 through an adjustment 21. The other end of the torsion rod 10 is fixed at 15 to the tube 3. |
