CHAIN SAW
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United States of America Patent
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Issued Date -
Jan 18, 2018
app pub date -
Dec 15, 2014
filing date -
Dec 15, 2014
priority date (Note) -
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Abstract
The invention relates to a chain saw comprising a guide bar (1) for guiding a saw chain, wherein the guide bar (1) comprises two side plates (2, 3) between which a sprocket wheel (4) is rotatable arranged, wherein the sprocket wheel (4) is supported in the guide bar (1) by means of a bearing (5) and wherein the bearing (5) is supplied by a lubricant by means of a lubrication system (6). To improve the lubrication of the bearing the invention proposes that the lubrication system (6) comprises a lubrication reservoir (7) which is in fluidic connection (8) with the bearing (5), wherein the lubrication reservoir (7) is sealed against the environment by at least one valve element (9).
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