| 摘要 |
A hoisting block, which is lockable and automatically acting in relation to a hoisting member, is freely movable along the member, which extends from a load to be moved and to the block, such that the block can assume a desired position in relation to the load. The block includes at least one locking mechanism having comprising two arms which are pivotable in relation to the block and mutually independently, the hoisting member being arranged on the arms, a plunger actuable by a locking mechanism, and a seat disposed in the region of the plunger. A section of the hoisting member runs through a groove commonly formed by the plunger and seat and is lockable between the plunger and the seat by the action of the locking mechanism. |
