Screwing device

摘要

The invention relates to a screwing device for mounting and alignment of sub-constructions, in particular in dry construction, consisting of a bit holder (2) with a shank (2.1) for connection with a screwing tool and a bit receiver (3). Especially advantageously the bit receiver (2) is surrounded circumferentially at least to a partial extent along its longitudinal axis (LA) by a sleeve element (4) and a measuring gradation is affixed to the outer side of the sleeve element (4).

主权项

1. A screwing device for mounting and alignment of sub-constructions comprising:
a bit holder (2) with a shank (2.1) for connection with a screwing tool and a bit receiver (3), wherein the bit holder (2) is surrounded circumferentially at least to a partial extent along its longitudinal axis (LA) by a sleeve element (4) and that a measuring gradation is affixed to the outer side of the sleeve element (4), wherein the sleeve element (4) is movably connected to the bit holder (2) so that sleeve element (4) is movably along the longitudinal axis (LA) of the bit holder (2), from a resting position in two opposite directions, wherein the device is configured so that in the resting position the bit received in the bit receiver (3) of the bit holder (2) is completely or substantially completely received in the same; and, at least one pair of springs (6, 7) acting in opposite directions in relation to the bit holder (2).