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US 11,007,589 B2Granted
File for filing the cutting tooth of a saw chain
AssigneeAndreas Stihl AG & Co. KG
InventorsThomas Lux, Friedrich Hollmeier, Georg Maier, Bertil Stapel, Tobias Grams, Norbert Althoff
Life of this patent
Estimating the term…
Abstract
The disclosure relates to a file for filing a saw tooth of a saw chain. The file includes a file body defining a circumferential direction and a circumference. The file body, in a cross section, has an unhewn guide surface and a file surface adjoining the unhewn guide surface in the circumferential direction. The unhewn guide surface extends over at least ⅙ of the circumference in the cross section.
Claims17
A file for filing a saw tooth of a saw chain, the file comprising:
- a file body defining a circumferential direction and a circumference;
- said file body, in a cross section, having an unhewn guide surface and a file surface adjoining said unhewn guide surface in the circumferential direction;
- said unhewn guide surface extending over at least ⅙ of said circumference in said cross section, wherein:
- said file surface is a first file surface;
- said file body has a second file surface adjoining said first file surface in the circumferential direction;
- and, said first file surface, said second file surface, and said unhewn guide surface are realized in a straight manner in cross section;
- said file body further defining a longitudinal center axis;
- said first file surface defining a length (1);
- and,
- said file body having, along at least 30% of said length (1) of said first file surface, an indicator which indicates a rotational position of said file body about said longitudinal center axis.
7 more elements
Dependencies are inferred from the claim text.