| 摘要 |
PURPOSE:To facilitate assembly work and perform cost down, in a seat equipped with a side support to a back leaning part while a side support to a seating part, by providing a supporting device for turning each support and fixing the support at its turning position. CONSTITUTION:In side supports S, provided to both sides of a seat back leaning part B, a supporting bracket 4 of almost dog-legged shape section is provided to a seat back frame 3, and a hollow run bar driving shaft 41 is inserted into a supporting bush 5 secured to said bracket 4. A run bar cam 43 is secured to an internal end of the driving shaft 41, and a run bar support plate 9 can be rocked by turning operation of a run bar lever 2. Then a driving shaft 46 is inserted into said driving shaft 41, and a screw part 47, provided to an internal end of said shaft 46, is screwed to a connecting member 49, pivotally supported to a side frame 51, to turn a side handle 1, then the frame 51 is turned, thus assembly fixing work of the support S can be performed. |
