IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0366130
(2003-02-12)
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발명자
/ 주소 |
- Schoeneck, Richard Jerome
- Gust, Ronald Matthew
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
45 |
초록
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Product is conveyed as a continuous stream by a meter conveyor ( 12 ) unto a transfer plate ( 32 ) and a transfer device ( 42 ). The transfer device ( 42 ) is movable between a retracted position and an extended position extending over a sweep conveyor ( 22 ). In a preferred form, the transfer devic
Product is conveyed as a continuous stream by a meter conveyor ( 12 ) unto a transfer plate ( 32 ) and a transfer device ( 42 ). The transfer device ( 42 ) is movable between a retracted position and an extended position extending over a sweep conveyor ( 22 ). In a preferred form, the transfer device ( 42 ) is in the form of a thin piece of flexible material and is moved in the conveying direction from the retracted position to the extended position by engaging with the sweep conveyor ( 22 ) and is moved to the retracted position by being wrapped around a rotated roller ( 46 ). Product is transferred from the transfer device ( 42 ) to the sweep conveyor ( 22 ) as the transfer device ( 42 ) moves from the extended position to the retracted position and is engaged by a metering bar ( 52 ba ) which controls the product acceleration on the sweep conveyor ( 22 ) to match the meter conveyor ( 12 ) until the product group leaves the transfer device ( 42 ). With nested product, the leading edge of the transfer device ( 42 ) can be scalloped to represent the product bottom leading edge. Alternatively, nestable product is conveyed by the meter conveyor ( 12 ) through a guide rail unit ( 82 ) including an infeed portion ( 84 ) for conveying product in a conveying direction, a nesting portion ( 86 ) at an arranging angle (N) to the conveying direction, and an aligning portion ( 88 ) at a grid angle (Z) to the nesting portion ( 84 ) to align the product in a square grid pattern when transferred unto the transfer device ( 42 ). Similarly, product in a grid pattern can be conveyed by the meter conveyor ( 12 ) through the guide rail unit ( 82 ) onto a loader conveyor ( 102 ). A pack pattern is pushed by a pusher ( 132 ) from the loader conveyor ( 102 ) between a loader guide ( 106 ) abutting with the leading row of the pack pattern and a retractable loader guide ( 110 ) abutting with the last row of the pack pattern.
대표청구항
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1. Method for loading product comprising:guiding product in a conveying direction in a grid pattern with at least two parallel columns and multiple parallel rows, with the columns in the grid pattern abutting and with the rows in the grid pattern abutting, with the columns being parallel to the conv
1. Method for loading product comprising:guiding product in a conveying direction in a grid pattern with at least two parallel columns and multiple parallel rows, with the columns in the grid pattern abutting and with the rows in the grid pattern abutting, with the columns being parallel to the conveying direction;conveying product in the grid pattern until a pack pattern is transferred onto an unloader platform, with the pack pattern being maintained by product being conveyed from upstream of the pack pattern, with the pack pattern including the at least two parallel columns and at least two parallel rows;guiding product in the grid pattern being conveyed onto the unloader platform so that the columns in the pack pattern abut and the rows in the pack pattern abut;pushing the pack pattern from the unloader platform; andguiding product in the pack pattern being pushed from the unloader platform so that the columns in the pack pattern abut and the rows in the pack pattern abut. 2. The method of claim 1 with pushing the pack pattern comprising pushing the pack pattern from the unloader platform perpendicular to the conveying direction. 3. Method for loading product comprising:guiding product in a conveying direction in a and pattern with at least two parallel columns and multiple parallel rows, with the columns in the grid pattern abutting and with the rows in the grid pattern abutting, with the columns being parallel to the conveying direction;conveying product in the grid pattern until a pack pattern is transferred onto an unloader platform, with the pack pattern including the at least two parallel columns and at least two parallel rows;guiding product in the grid pattern being conveyed onto the unloader platform so that the columns in the pack pattern abut and the rows in the pack pattern abut;pushing the pack pattern from the unloader platform; andguiding product in the pack pattern being pushed from the unloader platform so that the columns in the pack pattern abut and the rows in the pack pattern abut, with pushing the pack pattern comprising pushing the pack pattern from the unloader platform perpendicular to the conveying direction, with guiding the product in the pack pattern comprising providing a first loader guide perpendicular to the conveying direction, with an initial row of the pack pattern abutting with the first loader guide while the pack pattern is pushed from the unloader platform; and providing a second loader guide perpendicular to the conveying direction and parallel to the first loader guide, with a last row of the pack pattern abutting with the second loader guide while the pack pattern is pushed from the unloader platform. 4. The method of claim 3 further comprising moving the second loader guide between an operative position and a retracted position, with the second loader guide in the retracted position not interfering with product when product is being conveyed in the grid pattern and is in the operative position when the pack pattern is being pushed. 5. The method of claim 4 further comprising pushing the last row of the pack pattern in the conveying direction with the second loader guide after stopping conveying product in the grid pattern and before pushing the pack pattern and as the second loader guide moves from the retracted position to the operative position. 6. The method of claim 4 with guiding product in the grid pattern comprising providing a first lane guide parallel to the conveying direction; and moving a second lane guide between an operative position parallel to the conveying direction and to the first lane guide and a retracted position not interfering with product when the pack pattern is being pushed. 7. The method of claim 4 with pushing the pack pattern comprising moving a pusher between an initial position and a loaded position, with the pusher moving from the initial position to the loaded position engaging with and pushing the pack pattern. 8. The method of claim 7 further c omprising moving the pusher between a pushing position and a transport position, with the pusher being in the pushing position when moving from the initial position to the loaded position, with the pusher being in the transport position when moving from the loaded position to the initial position and not interfering with and above product being conveyed in the grid pattern. 9. The method of claim 8 with conveying product in the grid pattern comprising conveying product onto the unloader platform conveying product in the conveying direction. 10. The method of claim 9 with guiding product in the grid pattern comprising:guiding product while being conveyed in the conveying direction into a nested pattern with at least two parallel columns and multiple parallel rows, with the columns in the nested pattern abutting and with the rows in the nested pattern abutting, with the nested pattern being maintained by product being conveyed from upstream of the nested pattern; andguiding the nested pattern at an obtuse grid angle into the grid pattern, with the grid pattern being maintained by product being guided from upstream of the grid pattern, with the nested pattern being guided into the grid pattern while the columns remain abutting and the rows remain abutting. 11. The method of claim 2 with pushing the pack pattern comprising moving a pusher between an initial position and a loaded position, with the pusher moving from the initial position to the loaded position engaging with and pushing the pack pattern, with the method further comprising moving the pusher between a pushing position and a transport position, with the pusher being in the pushing position when moving from the initial position to the loaded position, with the pusher being in the transport position when moving from the loaded position to the initial position and not interfering with and above product being conveyed in the grid pattern. 12. Apparatus for loading products comprising, in combination:an unloader platform for receiving product in a pack pattern;an assembly intermittently conveying product in a conveying direction in a grid pattern onto the unloader platform, with the grid pattern being at least two parallel columns and multiple parallel rows, with the columns in the grid pattern abutting and with the rows in the grid pattern abutting, with the columns being parallel to the conveying direction;a first loader guide on the unloader platform;a second loader guide perpendicular to the conveying direction and spaced in the conveying direction from the assembly parallel to the first loader guide, with the second loader guide not interfering with product being conveyed in the conveying direction by the assembly; anda pusher for pushing the pack pattern from the unloader platform and from between the first loader guide and second loader guide, with an initial row of the pack pattern separated from the grid pattern being guided by the first loader guide and a last row of the pack pattern being guided by the second loader guide as the pack pattern is being pushed from the unloader platform by the pusher. 13. The apparatus of claim 12 with the first and second loader guides being perpendicular to the conveying direction. 14. The apparatus of claim 13 with the second loader guide being movable between an operative position and a retracted position, with the second loader guide being in the operative position when the pusher is pushing the pack pattern and being in the retracted position when product is being conveyed by the assembly. 15. The apparatus of claim 14 with the second loader guide moving in the conveying direction to push the last row of the pack pattern as the second loader guide moves from the retracted position to the operative position. 16. The apparatus of claim 14 further comprising, in combination: first and second lane guides guiding product on the unloader platform with the first and second lane guides being parallel to the rows in the grid pattern an d with the columns in the grid pattern abutting and with the rows in the grid pattern abutting, with the second lane guide not interfering with product being pushed by the pusher. 17. The apparatus of claim 16 with the second outside guide being movable between an operative position and a retracted position, with the second guide being in the operative position when the assembly is conveying product and being in the retracted position when the pusher is pushing product. 18. The apparatus of claim 14 with the pusher being movable between an initial position and a loaded position, with the pusher moving from the initial position to the loaded position engaging and pushing the pack pattern, with the pusher being movable between a pushing position and a transport position, with the pusher being in the pushing position when moving from the initial position to the loaded position, with the pusher being in the transport position when moving from the loaded position to the initial position and not interfering with and above product being conveyed in the grid pattern. 19. The apparatus of claim 18 with the assembly comprising, in combination: a first product conveyance mechanism, with product being conveyed by the first product conveyance mechanism in the conveying direction; a nesting guide portion including first and second outside nesting guides, with the first and second outside nesting guides guiding nestable product on the first product conveyance mechanism into a nested pattern with at least two columns extending parallel to the first and second outside nesting guides and multiple rows with the columns in the nested pattern abutting and the rows in the nested pattern abutting and being maintained in the nested pattern by product being conveyed in the first product conveyance mechanism; and a grid guide portion including first and second outside grid guides extending from the first and second nesting guides at a grid angle from an interconnection, with the spacing of the first and second outside grid guides at the interconnections being generally equal to a width of the product multiplied by the number of columns in the nested pattern, with the grid guide portion guiding the product into the grid pattern with the columns in the grid pattern extending parallel to the first and second grid guides and multiple rows with the columns in the grid pattern abutting and the rows in the grid pattern abutting and being maintained in the grid pattern by product being conveyed in the first conveying direction by the first product conveyance mechanism. 20. The apparatus of claim 12 with the grid pattern being maintained during conveying onto the unloader platform by product being conveyed upstream of the unloader platform.
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