Patent · US Active

Portable power tool

US11969870B2 · kind B2 · utility

0Cited by

3References

16Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Michael HINTERSTOISSER · Olching, DE
Jochen Erhardt · Klosterlechfeld, DE

Key dates

Filing date	Oct 29, 2019
Grant date	Apr 30, 2024
Priority date	—
Expiry date	Feb 21, 2041

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16H57/0479
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A portable power tool 1 has a tool holder 2 for retaining a tool 3, a handle 7, an electric motor 4, and a drive train 10. The drive train couples the electric motor 4 to the tool holder 2. The drive train 10 contains a planetary transmission 11 with a planet carrier 13 and a plurality of planet gears 14. At least one of the planet gears 14 has a cylindrical cutout 30 and the planet carrier 13 has a collar 24 in the form of a circular arc that protrudes into the cutout 30.

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