| 摘要 |
477,631. Hinges. TAN-SAD CHAIR CO. (1931), Ltd., and GABB, A. H. Aug. 21, 1936, No. 22997. [Class 65 (ii)] [Also in Group XIV] In a chair, a backrest supporting pillar d is slidably and angularly adjustable in relation to a carrier member consisting of two limbs a<1>, a<1>, the adjustment means comprising a fixed annular radially toothed or serrated element b stamped from sheet metal to shallow dish formation and slotted at b<1> to engage the limb a<1>, a co-operating serrated element c dished and slotted at c<2> to engage the pillar d, a stub axle c<3> fixed to the element c and passing through the element b and the limb a<1>, and a clamping screw f passing through a threaded bracket e secured to the other limb a<1> of the carrier member. Specification 312,115, [Class 65 (ii)], is referred to. |
