Patent · US Active

Handheld work apparatus

US9855672B2 · kind B2 · utility

0Cited by

20References

16Claims

0Family size

Assignee

Andreas Stihl AG & Co. KG · DE

Inventors

Helmut Zimmermann · Winnenden, DE
Carel Karrar · Stuttgart, DE
Benjamin Frey · Ödernhardt, DE

Key dates

Filing date	Oct 5, 2015
Grant date	Jan 2, 2018
Priority date	—
Expiry date	Dec 1, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16N39/04
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A handheld work apparatus has a drive motor which drives a tool of the work apparatus. A lubricating arrangement is provided for the tool. The lubricating arrangement includes a lubricant piece that is solid at 20° C. The work apparatus has a melting chamber into which the lubricant piece projects and which is connected to the tool via at least one lubricant channel. The melting chamber is delimited at least partially by a heat conducting element which is heated during operation of the work apparatus.

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