Patent · US Active

Spindle lock for a hand-held combination drill and chisel hammer

US7806199B2 · kind B2 · utility

11Cited by

19References

7Claims

0Family size

Assignee

AEG Electric Tools GmbH · DE

Inventors

Stefan Pohl · Wenden, DE
Jürgen Hopp · Winnenden, DE

Key dates

Filing date	Mar 27, 2008
Grant date	Oct 5, 2010
Priority date	—
Expiry date	Oct 21, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T279/20
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A spindle lock of a hand-held combination drill and chisel hammer has a gearbox housing and a countershaft rotatably supported in the gearbox housing about an axis of rotation. A locking plate is provided for selectively releasing and locking a rotational movement of the countershaft. Guide elements are disposed in the gearbox housing, wherein the locking plate is displaceably guided on the guide elements in the gearbox housing in a direction parallel to the axis of rotation of the countershaft. The guide elements have a guide rail arrangement wherein a part of the guide rail arrangement is provided on the gearbox housing and is integral with the gearbox housing.

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