Patent Number: 7,708,084

Title: Portable power drill with gearbox

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).

Inventors: Duesselberg; Achim (Hangzhou, CN), Ullrich; Andre (Filderstadt-Bernhausen, DE), Sieber; Kurt (Leinfelden-Echterdingen, DE), Brinkmann; Thomas (Filderstadt, DE)

Assignee: Robert Bosch GmbH

International Classification: B25D 11/00 (20060101)

Expiration Date: 5/04/12018