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Vibration unit

Imported: 24 Feb '17 | Published: 06 Jan '04

Eitan Zehavi, David Chiel

USPTO - Utility Patents

Abstract

A vibration mechanism (

300) for shaking a tree trunk held between two clamps, for an efficient harvest of the tree-fruits and for preventing damage to the tree-roots and to the tree trunk. The vibration unit comprises two counter-rotating rotors (R) weighted by displaceable weights (

18, 19) and powered, preferably, by at least one hydraulic motor (M). A transmission (T) coupled to the motor and to the rotors, counter-rotates the rotors.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

In order to better understand and more fully appreciate the invention and to see how the same may be carried out in practice, some preferred embodiments will now be described, by way of non-limiting example only, with reference to the accompanying drawing in which:

FIG. 1 is a schematic view of a prior art shaking system with a three-shaft linear vibrator;

FIG. 2 is a detail of FIG. 1 after a quarter of turn rotation of a sprocket;

FIG. 3 shows the detail of FIG. 2 after another partial sprocket rotation;

FIG. 4 is a block diagram displaying the elements of the present invention;

FIG. 5 shows a schematic of first embodiment of a vibration generation mechanism; in relation to the elements detailed in FIG. 4;

FIG. 6 depicts a second schematic embodiment of the vibration generation mechanism also in accordance with the elements of FIG. 4; and

FIG. 7 illustrates a third schematic embodiment of the present invention, likewise based on FIG.

4.

Claims

1. A linear vibration generation mechanism for a tree trunk shaker comprising a pair of clamps for locking on the trunk on opposite sides thereof, the mechanism comprising:

2. The mechanism according to claim 1, wherein each one out of the pair of eccentric rotators further comprises:

3. The mechanism according to claim 2, the arm further comprising:

4. The mechanism according to the claim 3, the arm further comprising:

5. The mechanism according to claim 3, wherein:

6. The mechanism according to the claim 2, the arm further comprising:

7. The mechanism according to claim 6, wherein:

8. The mechanism according to claim 2, wherein:

9. The mechanism according to claim 2, wherein:

10. The mechanism according to claim 1 wherein the at least one hydraulic motor comprises:

the at least one hydraulic motor further comprising:

11. The at least one hydraulic motor according to claim 10, wherein:

12. The mechanism according to claim 1, wherein:

13. The mechanism according to the claim 1, wherein:

14. The mechanism according to claim 13, wherein:

15. The mechanism according to the claim 13, wherein:

16. The mechanism according to claim 1, wherein:

17. The mechanism according to claim 16, wherein:

18. The mechanism according to claim 17, wherein:

19. The mechanism according to the claim 16, wherein: