| 摘要 |
An armrest elevator device has an armrest seat, an elevator plate, a movable block, a cover plate, a control button, a spring, and a pair of cylinder shafts. The elevator plate has a plurality of pairs of click grooves. The movable block has a top head having a round blind hole to receive the spring. The control button has a center recess. The armrest seat has a pair of rail sets, an oblong hole, an elongated groove, a pair of oblong apertures, and an oblong recess. The elevator plate is inserted in the armrest seat. The movable block is inserted in the elongated groove of the armrest seat. Each cylinder shaft is inserted in the corresponding oblong aperture of the armrest seat. The cover plate engages with the oblong hole of the armrest seat. The top head of the movable block is inserted through the cover plate and inserted in the center recess of the control button.
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