Line feed configuration for line trimmer

A - Human Necessities – 01 – D

Patent

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Details

A01D 34/416 (2006.01)

Patent

CA 2245580

A line trimmer head (10) includes a line feed configuration which facilitates reloading the head (10) with new line without requiring removal of the spool (24) from the housing. Line (18) is sequentially fed first into the housing through a peripheral opening (20) in the housing, through a guide channel (84, 86) in the spool, and then out of the housing beyond a lower flange (26) of the spool through an opening in the hub (98) of the spool. Finally, the line is fed into a small opening in a spool flange (94) to secure the line with respect to the spool. Rotation of the spool then causes the line to be drawn into the housing through the peripheral opening and wrapped around the spool. The spool provides separate storage compartments (38, 40) for different lines. Additional payout of line is provided when a bump knob is bumped on the ground surface.

Tête de tondeuse à fil (10) présentant un principe d'amenée du fil qui facilite la recharge de la tête (10) par un nouveau fil sans nécessiter le retrait de la bobine (24) de son logement. Le fil (18) est amené tout d'abord dans le boîtier par une ouverture périphérique (20) ménagée dans celui-ci; il suit un tracé de guidage (84, 86) dans la bobine puis sort du boîtier au-delà d'une joue inférieure (26) de la bobine en passant par un orifice ménagé dans le moyeu (98) de cette bobine. Enfin, le fil passe par un petit orifice ménagé dans la joue (24) de la bobine pour être immobilisé par rapport à celle-ci. La rotation de la bobine entraîne la traction du fil dans le boîtier par l'ouverture périphérique puis son enroulement autour de la bobine. La bobine offre plusieurs compartiments de stockage (38, 40), pour des fils différents. Il est possible de dévider une nouvelle longueur de fil en frappant un bouton contre le sol.

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