| 摘要 |
It consists of a bundle of bands articulated to one of the movable components, either the back or the footrest, which bands pass between the compressed pads between the branches of a clamp pushed by springs into the position of blocking the bands, which clamp is actuated in the opening direction by means of a manually operated lever, via a cam, an articulated arm and an axially displaceable bar which opens the clamp. <IMAGE>
|
