A device, • adapted to be incorporated into a web winder in such a manner that, by means of the device, the web winder is able to transfer a winding shaft from a waiting position to an initial winding position and/or to a winding position, and • including an assembly with levers (220, 230, 240), which is such that, in an interlocking condition, the assembly surrounds the winding shaft from one side such that - seen in longitudinal direction of the winding shaft, the lever assembly (220, 230, 240) is open towards a side of the winding shaft, and - the levers (220, 230, 240) are disposed so that a weight force of the winding shaft is prevented from introducing a release force into the lever assembly (220, 230, 240), which force is suitable to neutralize the interlocking, • wherein - the lever assembly (220, 230, 240) comprises a first lever arm and a second lever arm, which are respectively rotatably disposed at one end of a part, and - at the other end, the first lever arm is rotatably articulately connected to the second lever arm such that swivelling the first lever in the direction interlocking condition results in that ■ the winding shaft is captively received between the one part and the second lever, and ■ the second lever is swivelled along in such a manner that a free end of the second lever and the rotatable articulated connection between the two levers (220, 230) redirects the force of the winding shaft in the direction of a rotary support of the first lever in the direction essentially vertical to the movement path of the one rotary support. • adapted to be incorporated into a web winder in such a manner that, by means of the device, the web winder is able to transfer a winding shaft from a waiting position to an initial winding position and/or to a winding position, and • including an assembly with levers (220, 230, 240), which is such that, in an interlocking condition, the assembly surrounds the winding shaft from one side such that - seen in longitudinal direction of the winding shaft, the lever assembly (220, 230, 240) is open towards a side of the winding shaft, and - the levers (220, 230, 240) are disposed so that a weight force of the winding shaft is prevented from introducing a release force into the lever assembly (220, 230, 240), which force is suitable to neutralize the interlocking, - seen in longitudinal direction of the winding shaft, the lever assembly (220, 230, 240) is open towards a side of the winding shaft, and - the levers (220, 230, 240) are disposed so that a weight force of the winding shaft is prevented from introducing a release force into the lever assembly (220, 230, 240), which force is suitable to neutralize the interlocking, • wherein - the lever assembly (220, 230, 240) comprises a first lever arm and a second lever arm, which are respectively rotatably disposed at one end of a part, and - at the other end, the first lever arm is rotatably articulately connected to the second lever arm such that swivelling the first lever in the direction interlocking condition results in that ■ the winding shaft is captively received between the one part and the second lever, and ■ the second lever is swivelled along in such a manner that a free end of the second lever and the rotatable articulated connection between the two levers (220, 230) redirects the force of the winding shaft in the direction of a rotary support of the first lever in the direction essentially vertical to the movement path of the one rotary support. - the lever assembly (220, 230, 240) comprises a first lever arm and a second lever arm, which are respectively rotatably disposed at one end of a part, and - at the other end, the first lever arm is rotatably articulately connected to the second lever arm such that swivelling the first lever in the direction interlocking condition results in that ■ the winding shaft is captively received between the one part and the second lever, and ■ the second lever is swivelled along in such a manner that a free end of the second lever and the rotatable articulated connection between the two levers (220, 230) redirects the force of the winding shaft in the direction of a rotary support of the first lever in the direction essentially vertical to the movement path of the one rotary support. ■ the winding shaft is captively received between the one part and the second lever, and ■ the second lever is swivelled along in such a manner that a free end of the second lever and the rotatable articulated connection between the two levers (220, 230) redirects the force of the winding shaft in the direction of a rotary support of the first lever in the direction essentially vertical to the movement path of the one rotary support.