| 摘要 |
PROBLEM TO BE SOLVED: To provide a frame capable of being easily detached from a mold.SOLUTION: A frame 30 of a seat 1 comprises a side beam part 32 of an opened cross-section structure opened downward in a longitudinal section. Spring attachment parts 32g and 32h are formed on the side surface of the opened cross-section structure. The spring attachment parts 32g and 32h swell sideward from the side surface of the opened cross-section structure. Spring hooking holes 32g1, 32g2, 32h1 and 32h2, on which springs 36 and 37 are to be hooked, pass through the spring attachment parts 32g and 32h from the outside of the opened cross-section structure to the inside thereof. The spring attachment parts 32g and 32h are opened downward. |
