Lawn and garden tool

A - Human Necessities – 01 – B

Patent

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Details

A01B 1/00 (2006.01) A01B 1/16 (2006.01)

Patent

CA 2161148

A lawn and garden tool (10) for removal of plugs of earth from the ground. The tool has a plurality of blades (18) rigidly affixed at the lower end of an elongate shaft (12), an earth-receiving channel being defined between inner surfaces of the blades. The inner surfaces of the blades are arcuate, generally being congruent with the curved surface of a circular cylinder aligned with the shaft. There are ledges defined around the periphery of the channel so that when the blades are withdrawn from the ground, a plug of earth is held within the channel. In the disclosed embodiment, each ledge is defined along a lower edge of a lateral indentation (40, 42) of a blade. In each blade there is a pair of axially spaced indentation (40,42) and a region of the blade between the indentations is directed radially inwardly of the circular cylinder to enhance the plug withdrawal capability of the tool. An upwardly biased plunger is included for ejection of a plug withdrawn from the ground.

Un outil (10) pour pelouses et jardins permet d'extraire du sol des blocs de terre. Cet outil comporte plusieurs lames (18) fixées de manière rigide à l'extrémité inférieure d'un axe allongé (12), un réceptacle pour terre étant défini entre les surfaces internes de ces lames, surfaces qui sont courbes et coïncident dans l'ensemble avec la surface incurvée d'un cylindre aligné avec l'axe. Des rainures sont définies autour de la périphérie du réceptacle de façon que, lorsque ces lames sont retirées du sol, un bloc de terre soit pris dans ce réceptacle. Dans la variante décrite, chaque rainure est définie le long du bord inférieur d'une indentation latérale (40, 42) d'une lame. Chaque lame comporte deux indentations (40, 42) espacées dans le sens axial et la zone de la lame se trouvant entre ces indentations est tournée vers l'intérieur, dans le sens radial, du cylindre pour renforcer la capacité d'extraction des mottes propre à l'outil. Un piston plongeur comprimé vers le haut permet l'éjection d'une motte retirée du sol.

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