Trimmer head spool for use in flexible line rotary trimmer heads having improved line loading mechanism
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United States of America Patent
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Aug 20, 2013
Grant Date -
May 26, 2011
app pub date -
Feb 4, 2011
filing date -
Sep 1, 2006
priority date (Note) -
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Abstract
An improved spool construction for carrying a length of cutting line in a trimmer head housing on a flexible line rotary trimmer wherein the spool comprises separately molded upper and lower sections of single piece construction that are pressed together in a snap fitment to define a cylindrical body portion, at least one flange projecting radially therefrom and a line receptor channel having a smooth interior surface that traverses the spool and communicates opposed open outer channel ends in the flange that are radially alignable with opposed line openings in a housing skirt, with an open channel portion in a lower spool surface to provide access to the channel intermediary of the open channel ends with the spool operatively connected to the housing for line loading and replacement without having to interrupt the operative connection between the spool and the housing.
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