Patent · US Active

Chuck

US7527272B2 · kind B2 · utility

0Cited by

11References

18Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Karl Frauhammer · Echterdingen, DE
Manfred Hellbach · Echterdingen, DE
Heinz Schnerring · Waldenbuch, DE
Joerg Friedrich · Echterdingen, DE
Andreas Strasser · Graz, AT
Michael Mayer · Echterdingen, DE
Werner Huser · Echterdingen, DE

Key dates

Filing date	Jun 2, 2006
Grant date	May 5, 2009
Priority date	—
Expiry date	Jun 12, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T279/32
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A chuck is described, in particular for a hammer drill or chisel hammer, having a chuck body having an insertion opening for holding a tool shank, and a locking element for axially locking the tool shank in the insertion opening, the locking element being movable between a locked position and an unlocked position, and having an arresting pin, mounted in the locking element and radially displaceable between an arresting position and a release position, which axially arrests the locking element in its arresting position and axially releases it in its release position.

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