Internal opening and closing system for v-rakes

Details Internal opening and closing system for v-rakes Internal opening and closing system for v-rakes

2005-09-20

2005-09-20

Petravick, Meredith C. (Department: 3671)

Harvesters

Horse rakes

Side delivery

C056S385000

Reexamination Certificate

active

06945024

ABSTRACT:
A bifold rake includes a rear trolley to which a pair of rake arms are pivotably mounted, and a drawbar extending forwardly from the rear trolley. An opening and closing mechanism includes front and rear operating arms located on each side of the drawbar and pivotably interconnected with each other and with one of the rake arms. The inner end of each operating arm is pivotably interconnected with a slidable arrangement associated with the drawbar, which may be a sleeve slidably mounted to the drawbar for axial movement, or a telescoping section of the drawbar that is capable of moving inwardly and outwardly relative to a receiver section of the drawbar. An extendible and retractable actuator assembly is interconnected with the drawbar and at least one of the slidable arrangements for moving the front and rear arms together and apart to move the rake arms between open and closed positions.

REFERENCES:
patent: 2683345 (1954-07-01), Meyer
patent: 5062260 (1991-11-01), Tonutti
patent: 5598691 (1997-02-01), Peeters
patent: 5615545 (1997-04-01), Menichetti
patent: 5685135 (1997-11-01), Menichetti
patent: 5752375 (1998-05-01), Tonutti
patent: 5899055 (1999-05-01), Rowse et al.
patent: 5966916 (1999-10-01), Laing
patent: 6314710 (2001-11-01), Tonutti
patent: 6543212 (2003-04-01), Tonutti

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