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1. WO2015026493 - DISPOSITIF, SYSTÈME ET PROCÉDÉ DE LEVAGE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

THAT WHICH IS CLAIMED:

1. A lifting device comprising:

three or more links hingedly joined end-to-end such that the lifting device is able to hingedly move in a first direction from a linear arrangement to a bent arrangement but is not able to hingedly move from the linear arrangement to a bent arrangement in a second direction opposite the first direction.

2. The device of claim 1, wherein the three or more links comprise a first link, a second link, and a third link;

wherein each link comprises a first end and a second end such that the first end of the second link is hingedly joined to the second end of the first link and such that the second end of the second link is hingedly joined to the first end of the third link.

3. The device of claim 2, wherein the first link comprises a single finger projecting from its second end;

wherein the second link comprises two fingers projecting from its first end;

wherein through-holes are defined in each of the single finger of the first link and the double fingers of the second link;

wherein the first link and the second link are aligned such that the through-holes of the single finger and the double fingers are aligned; and

wherein a hinge pin is at least partially inserted through each of the through-holes of the single finger and the double fingers.

4. The device of claim 3, wherein the second end of the first link comprises a first shoulder on one side of the single finger and a second shoulder on an opposite side of the single finger;

wherein the first end of the second link comprises a shoulder between the double fingers; wherein (1) a contour of a distal end of the single finger cooperates with a contour of the shoulder between the double fingers and (2) a contour of a distal end of each of the double fingers cooperates with a contour of a corresponding one of the first and second shoulders on opposite sides of the first finger such that the lifting device is able to hingedly move in the first direction from the linear arrangement to a bent arrangement but is not able to hingedly move from the linear arrangement to a bent arrangement in the second direction opposite the first direction.

5. The device of claim 3, wherein the second link comprises a single finger projecting from its second end;

wherein the third link comprises two fingers projecting from its first end;

wherein through-holes are defined in each of the single finger of the second link and the double fingers of the third link;

wherein the second link and the third link are aligned such that the through-holes of the single finger of the second link and the double fingers of the third link are aligned; and

wherein a hinge pin is at least partially inserted through each of the through-holes of the single finger of the second link and the double fingers of the third link.

6. The device of claim 2, wherein the first link comprises at least one finger projecting from its second end;

wherein the second link comprises at least one finger projecting from its first end;

wherein through-holes are defined in each of the at least one finger of the first link and the at least one finger of the second link;

wherein the first link and the second link are aligned such that the through-holes of the at least one finger of the first link and the at least one finger of the second link are aligned; and wherein a hinge pin is at least partially inserted through each of the through-hole of the at least one finger of the first link and the through-hole of the at least one finger of the second link.

7. The device of claim 6, wherein (1) a contour of a distal end of the at least one finger of the first link cooperates with a contour of a shoulder adjacent the at least one finger of the second link and (2) a contour of a distal end of the at least one finger of the second link cooperates with a contour of a shoulder adjacent the at least one finger of the first link such that the lifting device is able to hingedly move in the first direction from the linear arrangement to a bent arrangement but is not able to hingedly move from the linear arrangement to a bent arrangement in the second direction opposite the first direction.

8. The device of claim 6, wherein the second link comprises at least one finger projecting from its second end;

wherein the third link comprises at least one finger projecting from its first end;

wherein through-holes are defined in each of the at least one finger of the second end of the second link and the at least one finger of the first end of the third link;

wherein the first link and the second link are aligned such that the through-holes of the at least one finger of the second end of the second link and the at least one finger of the first end of the third link are aligned; and

wherein a hinge pin is at least partially inserted through each of the through-hole of the at least one finger of the second end of the second link and the at least one finger of the first end of the third link.

9. The device of claim 1, further comprising a flexible sleeve at least partially enclosing the three or more links, the flexible sleeve having a first end and a second end.

10. The device of claim 9, wherein the flexible sleeve fully encloses the three or more links.

11. The device of claim 9, wherein the flexible sleeve is constructed of fabric.

12. The device of claim 11, wherein the fabric comprises nylon.

13. The device of claim 9, further comprising:

a first strap having a first end and a second end, the second end being affixed to or protruding from the first end of the flexible sleeve; and

a second strap having a first end and a second end, the second end being affixed to or protruding from the second end of the flexible sleeve.

14. The device of claim 13, wherein the first strap comprises a loop at its first end and wherein the second strap comprises a loop at its first end.

15. The device of claim 13, further comprising a connecting strap affixed to or contiguous with the second end of the first strap and the second end of the second strap.

16. The device of claim 15, wherein the connecting strap is at least partially enclosed within the sleeve.

17. The device of claim 15, wherein the connecting strap is fully enclosed within the sleeve.

18. The device of claim 15, wherein the first strap, the second strap, and the connecting strap together comprise a unitary structure.

19. The device of claim 15, wherein the connecting strap is at least partially affixed to an inside surface of the flexible sleeve.

20. The device of claim 15, wherein one or more of the links is affixed to an inside surface of the flexible sleeve and/or to the connecting strap.

21. A method of lifting comprising :

inserting a first end of a lifting device underneath an object to be lifted until the first end of the lifting device protrudes from under a first side of the object and a second end of the lifting device protrudes from under a second, opposite side of the object and such that the lifting device is in a first orientation;

rotating the lifting device 180 degrees about a longitudinal axis such that the lifting device is in a second orientation; and

applying a lifting force to the first and second ends of the lifting device.

22. The method of claim 21, wherein the lifting device is a first lifting device, and wherein the method further comprises:

inserting a first end of a second lifting device underneath the object to be lifted until the first end of the second lifting device protrudes from under the first side of the object and a second end of the first lifting device protrudes from under an opposite side of the object and such that the second lifting device is in a first orientation;

rotating the second lifting device 180 degrees about a longitudinal axis such that the second lifting device is in a second orientation; and

applying a lifting force to the first and second ends of the second lifting device concurrently with applying the lifting force to the first and second ends of the first lifting device.

23. The method of claim 21 , wherein the lifting device comprises:

three or more links hingedly joined end-to-end such that the lifting device is able to hingedly move in a first direction from a linear arrangement to a bent arrangement but is not able to hingedly move from the linear arrangement to a bent arrangement in a second direction opposite the first direction.

24. The method of claim 23, wherein the three or more links comprise a first link, a second link, and a third link;

wherein each link comprises a first end and a second end such that the first end of the second link is hingedly joined to the second end of the first link and such that the second end of the second link is hingedly joined to the first end of the third link.

25. The method of claim 24, wherein the first link comprises a single finger projecting from its second end;

wherein the second link comprises two fingers projecting from its first end;

wherein through-holes are defined in each of the single finger of the first link and the double fingers of the second link;

wherein the first link and the second link are aligned such that the through-holes of the single finger and the double fingers are aligned; and

wherein a hinge pin is at least partially inserted through each of the through-holes of the single finger and the double fingers.

26. The method of claim 25, wherein the second end of the first link comprises a first shoulder on one side of the single finger and a second shoulder on an opposite side of the single finger;

wherein the first end of the second link comprises a shoulder between the double fingers; wherein (1) a contour of a distal end of the single finger cooperates with a contour of the shoulder between the double fingers and (2) a contour of a distal end of each of the double fingers cooperates with a contour of each of a corresponding one of the first and second shoulders such that the lifting device is able to hingedly move in the first direction from the linear arrangement to a bent arrangement but is not able to hingedly move from the linear arrangement to a bent arrangement in the second direction opposite the first direction.

27. The method of claim 25, wherein the second link comprises a single finger projecting from its second end;

wherein the third link comprises two fingers projecting from its first end;

wherein through-holes are defined in each of the single finger of the second link and the double fingers of the third link;

wherein the second link and the third link are aligned such that the through-holes of the single finger of the second link and the double fingers of the third link are aligned; and

wherein a hinge pin is at least partially inserted through each of the through-holes of the single finger of the second link and the double fingers of the third link.

28. The method of claim 24, wherein the first link comprises at least one finger projecting from its second end;

wherein the second link comprises at least one finger projecting from its first end;

wherein through-holes are defined in each of the at least one finger of the second end of the first link and the at least one finger of the first end of the second link;

wherein the first link and the second link are aligned such that the through-holes of the at least one finger of the second end of the first link and the at least one finger of the first end of the second link are aligned; and

wherein a hinge pin is at least partially inserted through each of the through-hole of the at least one finger of the second end of the first link and the through-hole of the at least one finger of the first end of the second link.

29. The method of claim 28, wherein (1) a contour of a distal end of the at least one finger of the second end of the first link cooperates with a contour of a shoulder adjacent the at least one finger of the first end second link and (2) a contour of a distal end of the at least one finger of the first end of the second link cooperates with a contour of a shoulder adjacent the at least one finger of the second end of the first link such that the lifting device is able to hingedly move in the first direction from the linear arrangement to a bent arrangement but is not able to hingedly move from the linear arrangement to a bent arrangement in the second direction opposite the first direction.

30. The method of claim 28, wherein the second link comprises at least one finger projecting from its second end;

wherein the third link comprises at least one finger projecting from its first end;

wherein through-holes are defined in each of the at least one finger of the second end of the second link and the at least one finger of the first end of the third link;

wherein the first link and the second link are aligned such that the through-holes of the at least one finger of the second end of the second link and the at least one finger of the first end of the third link are aligned; and

wherein a hinge pin is at least partially inserted through each of the through-hole of the at least one finger of the second end of the second link and the at least one finger of the first end of the third link.

31. The method of claim 23, further comprising a flexible sleeve at least partially enclosing the three or more links, the flexible sleeve having a first end and a second end.

32. The method of claim 31 , wherein the flexible sleeve fully encloses the three or more links.

33. The method of claim 31, wherein the flexible sleeve is constructed of fabric.

34. The method of claim 33, wherein the fabric comprises nylon.

35. The method of claim 31 , further comprising:

a first strap having a first end and a second end, the second end being affixed to or protruding from the first end of the flexible sleeve; and

a second strap having a first end and a second end, the second end being affixed to or protruding from the second end of the flexible sleeve.

36. The method of claim 35, wherein the first strap comprises a loop at its first end and wherein the second strap comprises a loop at its first end.

37. The method of claim 35, further comprising a connecting strap affixed to or contiguous with the second end of the first strap and the second end of the second strap.

38. The method of claim 37, wherein the connecting strap is at least partially enclosed within the sleeve.

39 The method of claim 37, wherein the connecting strap is fully enclosed within the sleeve.

40. The method of claim 37, wherein the first strap, the second strap, and the connecting strap together comprise a unitary structure.

41. The method of claim 37, wherein the connecting strap is at least partially affixed to an inside surface of the flexible sleeve.

42. The method of claim 37, wherein one or more of the links is affixed to an inside surface of the flexible sleeve and/or to the connecting strap.

43. The method of claim 36, wherein applying a lifting force to the first and second ends of the lifting device comprises applying a lifting force, respectively, to the first and second straps.

44. The method of claim 21, wherein inserting the first end of the first lifting device underneath the object to be lifted comprises inserting the first end of the first lifting device into a first opening between a top deck and a bottom deck of a pallet; and

wherein inserting the first end of the second lifting device underneath the object to be lifted comprises inserting the first end of the second lifting device into a second opening between the top deck and the bottom deck of the pallet.

45. A lifting device comprising:

three or more links hingedly joined end-to-end such that each link is able to hingedly move in a first direction from a linear arrangement to a bent arrangement but not able to hingedly move from the linear arrangement in a second direction opposite the first direction.