Patent · US Active

Portable power drill with gearbox

US7708084B2 · kind B2 · utility

21Cited by

24References

12Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Achim Duesselberg · Kirchheim unter Teck, DE
Andre Ullrich · Echterdingen, DE
Kurt Sieber · Greensburg, US
Thomas Brinkmann · Ballwin, US

Key dates

Filing date	Jul 7, 2006
Grant date	May 4, 2010
Priority date	—
Expiry date	Mar 16, 2027

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2250/365
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A portable power drill or hammer drill having a housing (12) which consists in particular of half shells (13, 14) and accommodates a manual gearbox (26), wherein a shift element (59) that can be rotated by hand converts its rotary movement into a shift movement, can be produced cost-effectively and can be easily operated, without lubricant escaping from the housing (12), by the shift element (59) consisting of a shell-like handle part (100) which can be joined together with a further, shell-like shift part (102) in a sealing manner from outside and inside relative to a housing shell (13).

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