Lifting mechanism for rotary hay raking machine

A - Human Necessities – 01 – D

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A01D 57/28 (2006.01) A01D 80/00 (2006.01)

Patent

CA 2182749

When hay in the field is cut, it is left to dry before being baled. The hay stores better if its moisture content is low. To help the drying process a rake is often used to turn the cut hay. This may beraked several times if the weather prevents fast drying of the hay. In this invention, when the rake is attached to a tractor by means of a single point hitch, a lifting mechanism has been designed to lift the rake, above the cut hay. The invention enables the farmer to have complete control of where and when he wants to lower or raise the mechanism. He can also use it to select the height he wants to rake. It also helps to protect the raking mechanism when being towed on a road or bumpy surface.

Lorsque le foin est coupé, on le laisse sécher dans le champ avant de le mettre en balles. Le foin se conserve mieux lorsque sa teneur en humidité est faible. Pour faciliter le séchage, on utilise souvent un rateau pour tourner le foin. Celui-ci peut être râtelé plusieurs fois si les conditions météo nuisent à son séchage. Dans l'invention, le rateau est fixé au tracteur par une attache ponctuelle, un mécanisme élévateur ayant été prévu pour monter le rateau au-dessus du foin coupé. Cela permet au fermier de lever ou d'abaisser le rateau à sa guise. Il peut aussi sélectionner la hauteur du rateau. Enfin, le rateau se trouve ainsi protégé lors de son passage sur une route ou une surface accidentée.

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