Large sealing lid with slides and lock

1 . A supply tank system configured to contain a commodity on an agricultural machine, the supply tank system comprising:

a supply tank comprising a tank opening and a tank opening flange at least partially surrounding the tank opening;

a closure assembly comprising a tank lid operably coupled to the tank opening flange, the tank lid being movable between an open position and a closed position, where in the closed position the tank lid is configured to cover the tank opening, and where in the open position the tank lid is configured to uncover the tank opening;

a handle operably coupled to the tank lid, the handle configured to be maneuvered to move the tank lid between the open and closed positions;

a first lid flange and a second lid flange of the tank lid, the first lid flange being disposed opposite the second lid flange;

a seal coupled to the first lid flange and the second lid flange, where in the closed position the seal is compressed between the first lid flange, the second lid flange, and the tank opening flange to form a sealed connection between the tank lid and the tank opening;

a plurality of mechanisms coupled to the tank lid; and

a pair of guides coupled to opposite sides of the tank opening flange, each of the pair of guides defining a guide opening for receiving at least one of the plurality of mechanisms, wherein the guide opening is defined in each of the pair of guides between a first end and a second end, the guide opening includes a climax portion located between the first and second ends arranged such that the climax portion extends above the tank lid when the tank lid is in the closed position;

wherein, in the closed position, the handle is in an upright position and the tank lid is sealingly coupled to the tank opening flange;

wherein, during movement from the closed position to the open position, the tank lid is lifted away from the tank opening flange via the handle to release the sealed connection such that the tank lid is raised above the tank opening flange, the tank lid moves along a curved path as the plurality of mechanisms slide from the first end along a first portion of the guide opening to the climax portion of the pair of guides, and the tank lid moves downwardly in a substantially linear direction as the plurality of mechanisms slide from the climax portion along a second portion of the guide opening of the pair of guides;

wherein, in the open position, the tank lid is located along a side of the tank at a position below a top edge of the tank opening flange and the handle is folded in a downward position to at least partially overlap the tank lid.

2 . The supply tank system of claim 1 , wherein, in the closed position, the first lid flange and second lid flange are located externally of the tank opening flange.

3 . The supply tank system of claim 1 , further comprising a clevis mechanism operably coupled to both of the second lid flange and the tank opening flange to enable the tank lid to pivot about the tank opening flange,

wherein the clevis mechanism includes a clevis pin operably engaged with a clevis opening in the tank opening flange such that the clevis pin rotates in the clevis opening,

further wherein the clevis opening is configured such that the clevis pin exits the clevis opening when the tank lid is in the open position.

4 . The supply tank system of claim 1 ,

wherein, as the tank lid is lifted away from the tank opening flange via the handle to release the sealed connection, at least one of the plurality of mechanisms slides from the first end of the guide opening along an arc portion to the climax portion within the guide opening.

5 . The supply tank system of claim 4 , wherein the guide opening comprises an arcuate portion between the first end and the climax portion.

6 . The supply tank system of claim 5 , wherein the tank lid is raised to a location at least partially above the tank opening flange as the at least one of the plurality of mechanisms slides through the arcuate portion to the climax portion.

7 . The supply tank system of claim 4 , wherein the guide opening comprises an elongate portion between the climax portion and the second end such that the tank lid moves downwardly as the plurality of mechanisms slide along the elongate portion of the guide opening.

8 . The supply tank system of claim 4 , wherein:

in the closed position, a first mechanism of the plurality of mechanisms is disposed at the first end and a second mechanism of the plurality of mechanisms is disposed at a location between the first end and the second end;

in the open position, the first mechanism is disposed at a location between the first end and the second end and the second mechanism is disposed at the second end.

9 . The supply tank system of claim 1 , further comprising a locking system configured to retain the tank lid in a locked position, the locking system configured to operably engage and lift the tank lid away from the tank opening during movement from the closed position to the open position.

10 . The supply tank system of claim 1 , wherein, in the closed position, the seal forms the sealed connection around the entire periphery of the tank opening.

11 . In an agricultural machine having a supply tank with a tank opening, a closure assembly comprising:

a tank opening flange configured to at least partially surround the tank opening;

a tank lid operable between an open position and a closed position, the tank lid while in the closed position is configured to cover the tank opening, the tank lid while in the open position is configured to uncover the tank opening, the tank lid having a first lid flange opposite a second lid flange;

a handle operably coupled to the tank lid, the handle configured to be maneuvered to move the tank lid between the open and closed positions;

a plurality of mechanisms coupled to the tank lid; and

a pair of guides coupled to opposite sides of the tank opening flange, each of the pair of guides defining a guide opening for receiving at least one of the plurality of mechanisms, wherein the guide opening is defined in each of the pair of guides between a first end and a second end, the guide opening includes an arcuate portion that extends from the first end to a climax portion located between the first and second ends wherein the arcuate portion has a length that corresponds to raising the tank lid to a maximum raised position when the tank lid is between the open and closed positions;

wherein, in the closed position, the handle is in an upright position and the tank lid is sealingly coupled to the tank opening flange;

wherein, during movement from the closed position to the open position, the handle is moved from an upright position to raise the tank lid from the tank opening flange, release a sealed connection between the tank lid and the tank opening, move the tank lid along a curved path as at least one of the plurality of mechanisms slides along the arcuate portion of the guide opening of the pair of guides, and move the tank lid downwardly relative to a side of the supply tank and uncover the tank opening as the at least one of the plurality of mechanisms slides along the climax portion to the second end of the guide opening of the pair of guides;

wherein, in the open position, the tank lid is located below a top edge of the tank opening flange and the handle is folded in a downward position to at least partially overlap the tank lid.

12 . The closure assembly of claim 11 , wherein, in the closed position, the first lid flange and second lid flange are located externally of the tank opening flange.

13 . The closure assembly of claim 11 ,

wherein, as the tank lid is lifted away from the tank opening flange via the handle to release the sealed connection, at least one of the plurality of mechanisms slides from the first end along the arcuate portion of the guide opening to an intermediate location within the guide opening.

14 . The closure assembly of claim 13 ,

wherein the tank lid is raised to a location at least partially above the tank opening flange as the at least one of the plurality of mechanisms slides through the arcuate portion to the intermediate location.

15 . The closure assembly of claim 13 , wherein the guide opening comprises an elongate portion between the intermediate location and the second end such that the tank lid moves downwardly as the plurality of mechanisms slide along the elongate portion of the guide opening.

16 . The closure assembly of claim 13 , wherein:

in the closed position, a first mechanism of the plurality of mechanisms is disposed at the first end and a second mechanism of the plurality of mechanisms is disposed at a location between the first end and the second end;

in the open position, the first mechanism is disposed at a location between the first end and the second end and the second mechanism is disposed at the second end.

17 . In an agricultural machine having a supply tank with a tank opening, a closure assembly comprising:

a tank opening flange configured to at least partially surround the tank opening;

a tank lid operable between an open position and a closed position, the tank lid comprising a first lid flange opposite a second lid flange;

a handle operably coupled to the tank lid, the handle configured to be controlled to move the tank lid between the open and closed positions;

a seal coupled to the first lid flange and the second lid flange, where in the closed position the seal is configured to be compressed between the first lid flange, the second lid flange, and the tank opening flange to form a sealed connection between the tank lid and the tank opening;

a plurality of mechanisms coupled to the tank lid; and

a pair of guides coupled to opposite sides of the tank opening flange, each of the pair of guides defining a guide opening for receiving at least one of the plurality of mechanisms, wherein the guide opening is defined in each of the pair of guides between a first end and a second end, the guide opening comprising an intermediate location between the first end and the second end;

wherein, in the open position, the handle is in a folded position such that the handle at least partially overlaps the tank lid;

wherein, during movement from the open position to the closed position, the handle is moved from the folded position to controllably move the tank lid upwardly relative to a side of the supply tank as the plurality of mechanisms slide along a first portion of the pair of guides, move the tank lid along a curved path as the plurality of mechanisms slide along a second portion of the pair of guides such that the seal is positioned above the tank opening flange, contact the seal with the tank opening flange, and lower the tank lid to compress the seal between the tank opening flange, the first lid flange, and the second lid flange;

wherein, as the plurality of mechanisms slide along the first portion of the pair of guides from the second end to the intermediate location, the tank lid moves upwardly relative to the side of the supply tank;

wherein, as the plurality of mechanisms slide along the second portion of the pair of guides from the intermediate location to the first end, the tank lid moves along an arcuate path until the seal is compressed between the first lid flange, the second lid flange, and the tank opening flange.

18 . The closure assembly of claim 17 , wherein, in the open position, the tank lid is located below a top edge of the tank opening flange and the handle is folded in a downward position to at least partially overlap the tank lid.

19 . The closure assembly of claim 17 , further comprising a clevis mechanism operably coupled to both of the second lid flange and the tank opening flange to enable the tank lid to pivot about the tank opening flange,

wherein the clevis mechanism includes a clevis pin operably engaged with a clevis opening in the tank opening flange such that the clevis pin rotates in the clevis opening,

further wherein the clevis opening is configured such that the clevis pin exits the clevis opening when the tank lid is in the open position.