Patent · US Active

Hand machine tool

US11027406B2 · kind B2 · utility

0Cited by

7References

10Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Helmut Burger · Waiblingen, DE
Thomas Thanner · Munich, DE
René Richter · Rabenau, DE

Key dates

Filing date	May 29, 2013
Grant date	Jun 8, 2021
Priority date	—
Expiry date	Dec 7, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH02K7/145
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The hand machine tool according to the invention has an integrated tool or a tool holder 2 to receive a tool 4. An electric motor 5 serves to drive the tool 4 or the tool holder 2. A battery pack 18 for supplying power to the electric motor 5 can be pushed into a guide 23 in a first direction. A plurality of electrical contacts 31 for contacting counter contacts 32 of the battery pack 18 are disposed in a contact holder 36. Wires 40, which are connected in each case to one of the electrical contacts 31, have cores which extend in a wave-like manner in the first direction 28 adjacent to the electrical counter contact 32.

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