This part looks like an ordinary parallelogram. Each tapered member and each receiver member define laterally tapered surfaces which extend in a front-rear direction, and which are engageable with each other for preventing relative vertical movement between the draw bar and the linkage mechanism when the locking structure is interengaged together.
A still further object of the invention is to provide a bifold hay rake in which the rake arms can be easily and securely locked in their closed position during transport.In operation, the locking mechanism of FIG. rake-drawing-156919-7301635.jpg .
Each control rod 34 extends parallel to the rake arm 22, 24 to which it is mounted. Rearward movement of control rods 34 results in lowering each rake 26 to its lowered operative position by providing rearward pivoting movement of each bar 28 about its connection to rake arms 22, 24, while forward movement of control rods 34 results in raising of rakes 26 to their inoperative raised position by providing upwardly pivoting movement of each bar 28.The drawings illustrate the best mode presently contemplated of carrying out the invention.Operation of hydraulic cylinder assembly 62 to extend its rod 64 results in cable 68 drawing control rods 34 forwardly to raise rake assemblies 26 to their inoperative position. A latch member 84 is pivotably mounted to a bracket assembly 86 mounted to one of receiver members 80, and a stationary pin 88 is mounted to a bracket assembly 90 connected to the other of the receiver members 80.
Get inspired, learn how to draw Rake Drawing via our simple tutorials or just print images to color it yourself. Traductions en contexte de "rake to" en anglais-français avec Reverso Context : Use the rake to level the surface. A pair of rake arms are pivotably mounted one to each end of the cross-member, with each rake arm having a series of rotatable rake wheels mounted thereto. 1 and 2, a cable 68 is interconnected with control rods 34 and with hydraulic cylinder assembly 62 for providing movement of rake assemblies 26 between their raised and lowered positions. Feel free to explore, study and enjoy paintings with PaintingValley.com
An opening and closing mechanism is connected to the rake arms for selectively moving the rake arms between their open and closed positions.It is an object of the present invention to provide a bifold hay rake which utilizes a draw bar and a single pair of wheels, as opposed to two sets of wheels as disclosed in Tonutti U.S. Pat. It is also within the scope of the invention to eliminate hydraulic cylinder assembly 62 and links 66, so that rake arms 22, 24 can be moved between their open and closed positions in response to backward or forward movement of rake 10 by operation of the tow vehicle such as a tractor.
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The operator then actuates hydraulic cylinder assembly 62 to retract rod 64, to move rake arms 22, 24 to their open position prior to operation of rake 10.However, the wheel assemblies 37 also operate to assist in directing or steering the wheels 38, 40 as the hay rake is turned by the tractor to which it is attached. 3, with angled forward surface 92 of latch member 84 engaging pin 88, and riding along pin 88 until pin 88 is received within the downwardly facing slot formed in latch member 84, as shown.
5,062,260, the disclosure of which is hereby incorporated by reference. rake-drawing-156919-1532826.jpg .
Mounting assembly 14 further includes a lever 20 for adjusting the vertical position of the forward end of draw bar 12 relative to the tractor for adjusting the vertical orientation of rake 10 relative to the ground.FIG. 32 Card Draw Rake Structure. The interengageable locking structure includes a movable latch member mounted to the linkage mechanism on one side of the draw bar and a stationary receiver mounted to the linkage mechanism on the other side of the draw bar. 3 is a partial section view taken along line 3--3 of FIG. 2, showing the locking mechanism interengaged together for retaining the rake arms in their inoperative closed position.Bifold hay rakes are well known in the art, and generally include a cross-member to which a pair of rake arms are pivotably mounted.
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With this arrangement, it is necessary to provide a separate hydraulic cylinder for each of rake arms 22, 24 to move control rods 34 and thereby control the raising and lower of rake assemblies 26.A pair of wheel assemblies 37 including ground-engaging, rubber-tired wheels 38, 40 are mounted to rake arms 22, 24, respectively. The linkage assembly includes a pair of inner link members 58 pivotably mounted at their forward ends to draw bar 12, and a pair of outer link members 60 pivotably mounted at their rearward ends to the rearward end of inner link members 58 and at their forward ends to rake arms 22, 24. The locking mechanism includes interengageable locking structure mounted to the linkage mechanism on either side of the draw bar adjacent the pivotable connection of the link members on either side of the draw bar.
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