| 摘要 |
The invention relates to a locking device for locking tools in a press brake comprising a first jaw (2) and a second jaw (3), movable towards and away from each other, and at least one safety hook (4) interposed between said first and said second jaw provided with a retaining tooth (41) adapted to be inserted into a groove (52) defined in the shank (51) of a tool (5), characterized in that on an inner side (35) of said second jaw (3) facing the first jaw (2) there is obtained at least one thrust surface (36) adapted to cooperate with, while resting slidingly against, at least one corresponding rest surface (43) obtained on an outer side (42) of the safety hook, said thrust surface (36) and said rest surface (43) lying substantially parallel along a thrust plane (P) sloping in the opposite direction to the first jaw (2) by an angle (a) of between 30° and 60° with respect to a vertical plane. |
