| 摘要 |
PCT No. PCT/GB84/00403 Sec. 371 Date Jul. 2, 1985 Sec. 102(e) Date Jul. 2, 1985 PCT Filed Nov. 23, 1984 PCT Pub. No. WO85/02384 PCT Pub. Date Jun. 6, 1985.A lightweight aircraft seat based on resin preimpregnated carbon fibre comprises a bluff rectangular spar (20) integrally secured to J-tubes (26) and a diaphragm (31) spanning between the J-tubes. The spar (20) is located in a recess (16) in a leg (22) of I-section also of carbon fibre. A curvilinar front portion (24) of the seat of core and skin construction and of constant profile is cantilevered forwardly and upwardly from the spar (20). The J-tubes (26) are formed with attachment points (27), (28), (30) for seat belts, a seat back (41) and armrests. |
