GUIDE BAR WITH INTERNAL CAVITY
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United States of America Patent
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app pub date -
Mar 4, 2016
filing date -
Mar 4, 2015
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Abstract
A chainsaw (100) includes a power unit and a working assembly powered responsive to operation of the power unit. The working assembly includes a guide bar (120) around which a chain is rotatable. The guide bar (120) includes first and second side plates (200, 210) and a laminate core (260). The guide bar (120) is configured to deliver water through at least a portion of the guide bar (120). The first and second side plates (200, 210) each face other and extend away from a housing (110) to a nose. The laminate core (260) is disposed between the first side plate (200) and the second side plate (210). The laminate core (260) includes channels (270) for delivery of the water to nozzles (300, 310, 320) formed along a periphery of the guide bar (120). A glue layer (280) is provided to affix the laminate core (260) to the first side plate (200) and second side plate (210), respectively. The glue layer (280) forms the nozzles (300, 310, 320) in combination with the laminate core (260).
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Cited Art Landscape
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