Patent · US Active

Work apparatus

US12284937B2 · kind B2 · utility

0Cited by

3References

21Claims

0Family size

Assignee

Andreas Stihl AG & Co. KG · DE

Inventors

Denis Ehrler · Wernau, DE
Matthias Maier · Bad Boll, DE
Anton Angelusch · Waiblingen, DE

Key dates

Filing date	Apr 26, 2023
Grant date	Apr 29, 2025
Priority date	—
Expiry date	Jun 16, 2043

Classification

Technology area (CPC H)Electricity
CPC primaryH02K9/06
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A work apparatus includes a housing, an electric motor arranged in the housing, the electric motor including a rotor shaft driven rotationally about a rotor axis, an output shaft for driving a tool, the output shaft being connected with a form fit to the rotor shaft on a receptacle of the rotor shaft, and a flange supported on the housing. The rotor shaft is mounted rotatably via a rotor shaft bearing arranged in the flange, the rotor shaft bearing extending along a bearing section in the direction of the rotor axis, and wherein the output shaft extends at least as far as the bearing section of the rotor shaft bearing.

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