Wera Werk Hermann Werner Gmbh & Co.

Wera Werk Hermann Werner Gmbh & Co Kg

Sylvester Rosanwo

Martin Strauch

Michael Abel

Klaus Amtenbrink

Axel Fach

Werner Tretbar

Andr&eacute; M&uuml;ller

A tool set having a screwdriver handle with a chuck for insertion and latched mounting of screwing-tool inserts provided with standard polygonal shank segments, and having screwing-tool inserts, which are insertable into the chuck and are provided with the standard polygonal shank segments, in particular bits, nuts or ratchets and extensions for drive of the latter, comprising a supplementary tool which has a plier head ( ) and a plier-handle projection ( ) which is disposed immediately behind a knuckle joint ( ) and is in form of the standard shank segment of the screwing-tool inserts, the screwdriver handle ( ) latches to the plier-handle projection by its chuck ( ), forming one of two plier arms and a blade extension ( ) which likewise has a chuck ( ), forming other of the two plier arms.

Tool set

A clamping chuck comprising a shank which has two sleeve-like shank sections ( ), one of the sleeve-like sections ( ) on an end side thereof being coordinated to a clamping section ( ) for clamping into a drive member, and the other of the sleeve-like sections ( ) on its end side being coordinated to a toolholder ( ) for mounting a tool, in particular a screwdriver bit ( ). The two sleeve-like shank sections ( ), by a torsion section ( ) formed by a torsion member ( ) coordinated to cavities of the shank sections, being twistable with respect to one another about a stop-limited angular distance (a-b), wherein the torsion section ( ) is arranged between two hexagon sections of the torsion member ( ), by which hexagon sections the torsion member is fitted without play into hexagon profile sections in the cavities ( ) of the sleeve-like shank sections ( ), and the torsion member continues, as one material integral piece into the clamping section formed as an insertion section ( ).

Clamping chuck for bits

Bit holder

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Wuppertal, Germany

Sylvester Rosanwo