Patent · US Active

Eccentric drive for a portable power tool

US12064856B2 · kind B2 · utility

0Cited by

3References

13Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

Ernst-Rudolf Lübkert · Landsberg, DE
Ferdinand Kristen · Germering, DE
Michael Göttlinger · Landshut, DE
Maximilian Kummer · Ulm, DE
Michael Schamberger · Scheuring, DE
Johannes Alfred MARDER · Neu-Ulm, DE
Jeltsch Thomas · Domat/Ems, CH
Simon Weis · Aschaffenburg, DE
Andreas Janisch · Oeynhausen, AT

Key dates

Filing date	Sep 24, 2019
Grant date	Aug 20, 2024
Priority date	—
Expiry date	Aug 4, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29L2031/748
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

An eccentric drive 1 for a portable power tool 2 has a motor 5, an eccentric wheel 6, a linear guide 9, a slide 8 and a connecting rod 7, which has a head 17 suspended on the slide 8 and a second head 15 suspended on the eccentric wheel 6. A bearing bush 16 for the rotatable mounting of the connecting rod 7 is provided at least on one of the two heads 17. The head 15 is composed of an injection molding material. The bearing bush 16 is composed of a fiber composite material, which includes continuous carbon fibers 25 embedded in a thermoplastic matrix.

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