| 摘要 |
A chair tilting control having a bracket connectable to a seat and a bracket connectable to a base, the base bracket being entirely within the seat connector bracket and having a pair of elongated flat spring bars urging the seat connector bracket against the base connector bracket to the no-tilt condition, and a manually operable spring adjustment screw or lever driving a cam follower to increase or decrease the non-tilting action of the spring. |
