| 摘要 |
The present invention relates to an improved tripod (1) having three legs (2) substantially at 120° each other, said legs being coupled above by a connection element (3) for fixing a camera or television camera, each leg being provided with three stages (2', 2", 2"'), movable telescopically each other, respectively a first stage (2') or upper stage, a second stage (2") or central stage and a third stage (2"') or lower stage, said first stage (2') being fixed above to said connection element (3) for fixing camera or television camera, being it possible positioning said legs (2) grouped centrally or spread out, said two positions being obtainable both with stages of the legs (2) collected and totally or partially extended, said tripod (1) being characterised in that a blocking/release lever (4) is provided on each leg (2), said lever (4) being provided in correspondence of the upper portion of the second stage (2"), said lever (4) being operable according to a substantially vertical direction and acting on blocking/release means between the first stage (2') and the second stage (2") and on blocking/release means between the second stage (2") and the third stage (2"'), being further provided tension rod means (8) between said lever (4) and said third stage (2"'), said tension rod means (8), actuated by said lever (4), interacting with said blocking/release means between the second stage (2") and the third stage (2"'), sliding each other between second stage (2") and third stage (2"') occurring only after the full opening of the second stage (2") with respect to the first stage (2'). |
