Height of cut adjustment mechanism

Details Height of cut adjustment mechanism Height of cut adjustment mechanism

A - Human Necessities

01

D

A01D 34/74 (2006.01) A01D 34/67 (2006.01)

Patent

CA 2192224

A mechanism for adjusting the cutting height of a mower deck, which includes a four bar linkage with a pair of beam members, a rod member extending between the two beams. Rotation of the rod by the operator causes the beams to shift relative to each other, which causes the four bar linkage to raise or lower the mower deck. A projecting member is biased toward engagement with a detent formed in the rod member for securing the mower deck at the selected cutting height, and allows the operator to sense when the projecting member rides past the detent as the cutting height is incrementally adjusted.

L'invention concerne un mécanisme permettant d'ajuster la hauteur de coupe d'un capot de tondeuse, comprenant une tringlerie de quatre barres avec une paire de poutres et une tige se prolongeant entre les deux poutres. La rotation de la tige entraîne le déplacement des poutres l'une par rapport à l'autre, ce qui pousse la tringlerie à relever ou à abaisser le capot de tondeuse. Un élément en saillie est repoussé vers la position d'engagement dans un cran formé dans la tige pour fixer le capot à la hauteur de coupe désirée et permet à l'opérateur de percevoir quand l'élément en saillie dépasse le cran au moment du réglage par incrément de la hauteur de coupe.

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