Robert Boschgmbh

Julian Bergmann

Heiko Roehm

Jean-Paul Meeuwissen

Joachim Hecht

Reiner Krapf

Erhard Hoffmann

Stefan Clauss

Christian Heine

A battery-operated screwdriver has a housing with a handle, a rechargeable battery, charge contacts for charging the battery on a charger shell having at least one detachably mounted bit holder for storing tool inserts of the battery-operated screwdriver in captive fashion, so that the battery-operated screwdriver is placeable on the charger shell and a charging mode is produced automatically, and a charger shell for a battery-operated screwdriver has at least one detachable mountable bit holder configured to receive a plurality of bits which in operation are insertable in communication with the battery-operated screwdriver.

Battery-operated screwdriver and charger shell therefor

A battery-operated screwdriver, having a housing () with a handle (), in particular bent at an angle like a pistol grip, with a preferably fixedly installed rechargeable battery (), and with charge contact tongues () for charging the battery () on a charger shell (), is always ready for use and available by quick, simple access to the tool insert and screwdriver bit, because its battery () is designed as a lithium ion cell (Li ion cell) and can be placed in a chronologically undefined way, particularly in intervals between uses, on a charger shell (), and the charging mode can be produced automatically, and the charger shell () has a detachably securable, magazinelike bit holder (), with a plurality of compartments into which screwdriver bits () can be inserted.

Battery-operated screwdriver

A marking device, in particular a hand-held marking tool for positioning markings, comprises first means () which make it possible to position the device () in a predefinable first position of a reference surface (), and second means () for leveling the device () relative to the reference surface (), as well as a tracking system () for determining a distance covered by the device () relative to the first position of the device. The tracking system () detects the movement of the measuring instrument () on the reference surface () in two orthogonal directions ().

Marking device

Growing community of inventors

Stuttgart, Germany

Julian Bergmann