摘要 |
1,088,071. Arm rests for seats. EVEREST & JENNINGS Inc. Jan. 24, 1966 [Sept. 15, 1965], No. 3035/66. Heading A4J. In a wheel chair having side frames 4, arm rests 46 can be adjusted to different heights, above upper frame members 20, by providing frictional locking devices for support posts 26. Each post 26, of square tubular cross-section, is gripped by the forked end of a cylindrical brake plug (40), operated by screwing hand wheel 38 into and out of a bush (30). The side frames may be folded together to collapse the chair. |