| 摘要 |
A seating arrangement includes a base support, a support arrangement movable between upright and reclined positions, and a spring arrangement that includes a first portion attached to the support arrangement, a second portion attached to the base support, an intermediate portion positioned between the first and second positions, first and second members configured to bias the support arrangement from the reclined position toward the upright position, the second spring member spaced from the first spring member, and an adjustment member positioned between the first and intermediate portions, the adjustment member adjustable between positions that adjust the force exerted by the first and second spring on the support arrangement. |
| 主权项 |
1. A seating arrangement, comprising:
a base support; a support arrangement configured to support a seated user and movable between an upright position and a reclined position; and a spring arrangement positioned between the base support and the support arrangement, the spring arrangement comprising:
a first portion attached to the support arrangement;a second portion attached to the base support;an intermediate portion positioned between the first portion and the second portion;a first spring member configured to bias the support arrangement from the reclined position toward the upright position;a second spring member configured to bias the support arrangement from the reclined position toward the upright position, the second spring member spaced from the first spring member; andan adjustment member positioned between the first portion and the intermediate portion, the adjustment member adjustable between a first position where the first spring member exerts a first force on the first portion and the second spring exerts a second force on the intermediate portion, and a second position where the first spring member exerts a third force on the first portion that is different than the first force and the second spring exerts a fourth force on the intermediate portion that is different than the second force. |
