| 摘要 |
512,786. Adjustable seats. ACCLES & POLLOCK, Ltd., and PARTINGTON, J. March 10, 1938 and Oct. 11, 1938, Nos. 7478 and 29395. [Class 52 (ii)] A seat frame c adapted to carry the seat proper and the back rest, is adjusted by supporting one end on a link f and the other on a bar 2 engaging a slot h, the seat being adjusted to and held in any desired position by a hand-actuated screw z. Holes 8 serve for adjusting the length of the link. The screw may be omitted and bar 2 may have a tooth engaging one of a number of notches in a fixed plate, bar 2 being in some cases rotatable by means of a handle, and in other cases removable to permit adjustment. Specifications 412,677 and 448,306 are referred to.
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