Hinged edger housing having improved internal debris guard...

Details Hinged edger housing having improved internal debris guard... Hinged edger housing having improved internal debris guard...

A - Human Necessities

01

G

A01G 3/06 (2006.01) A01D 34/84 (2006.01) B23D 47/00 (2006.01) B23D 59/00 (2006.01)

Patent

CA 2603349

A housing assembly for a power edger that includes a housing and a door that is coupled to the housing and movable between an open position and a closed position. When positioned in the closed position, labyrinth seal members that are formed onto the housing and the door engage one another to form a labyrinth seal that inhibits dirt and debris from being expelled from the housing assembly. The housing assembly also includes a guard for shrouding a rotating blade. The guard includes a confronting portion having a leading end and a trailing end. The confronting portion is defined by an increasing radius relative to the rotary axis of the blade.

Il s'agit d'un carter pour coupe-bordures qui comprend le carter proprement dit et une porte accouplée au carter et mobile, de la position ouverte à la position fermée. En position fermée, des éléments de joint à labyrinthe, constitués sur le carter et la porte, s'accouplent pour former un joint à labyrinthe qui empêche d'expulser la saleté et les débris du carter. Ce carter comprend aussi une plaque de garde pour coiffer une lame qui tourne. Cette plaque de garde comprend une partie faisant face pourvue d'une extrémité avant et d'une extrémité arrière. La partie faisant face est déterminée par un rayon croissant par rapport à l'axe de rotation de la lame.

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