| 摘要 |
610,741. Seats. STOLL, A. April 10, 1946, No. 11045. Convention date, April 13, '1945. [Classes 52(i) and 52(ii)] The back-rest 1 of a seat 4 is pivoted at 2 on a fixed bracket 3 and supported by a cranked leaf spring 5 pivoted at 7 to the seat and at 6 to the rear of the back-rest. The pivots 6, 7 may be adjustable. |
