Patent · US Active

Bit holder for holding and screwing a screw with a screw head in a mounting base

US12318893B2 · kind B2 · utility

0Cited by

8References

10Claims

0Family size

Assignee

Kirchhoff Witte GmbH · DE

Inventors

Alexander Hingst · Garenfeld, DE
Frank Rohlfs · Hagen, DE

Key dates

Filing date	Sep 6, 2022
Grant date	Jun 3, 2025
Priority date	—
Expiry date	Jul 25, 2043

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25B23/0035
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A bit holder for holding and driving a screw with a screw head into a fastening base, comprising a clamping region for connecting the bit holder to a driving tool and a bit receptacle for inserting a bit suitable for driving the screw. The bit holder has at least one magnet arranged eccentrically relative to the bit holder with one pole facing the screw head. The at least one magnet is held floating on a magnet holder in relation to a bit held in the bit receptacle, so that the pole face of the magnet can align according to the contour of the screw head in order to hold the screw on the bit holder in such a way that the bit engages torque-locked in a rotary driver contour of the screw head.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.