Shift and hold conveyor assembly for removal of oversize parcels
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B07C-005/00
B07C-001/14
출원번호
US-0544890
(2015-03-03)
등록번호
US-9452449
(2016-09-27)
발명자
/ 주소
Schroader, Steven Vann
출원인 / 주소
Fives Intralogistics Corp.
대리인 / 주소
Carrithers Law Office PLLC
인용정보
피인용 횟수 :
0인용 특허 :
17
초록▼
A conveyor assembly insertable within a conveying system including a low friction conveying surface having both forward and lateral conveying forces for moving articles toward a parallel lateral sidewall and a downstream conveyor. A first diverging sidewall gradually converges parcels toward the cen
A conveyor assembly insertable within a conveying system including a low friction conveying surface having both forward and lateral conveying forces for moving articles toward a parallel lateral sidewall and a downstream conveyor. A first diverging sidewall gradually converges parcels toward the center of the conveyor. An inwardly directed offset extends from a first diverging sidewall to a second lateral sidewall for shifting parcels inwardly toward a second lateral sidewall. A raised high friction conveying surface or rail belt extends along an outer edge of the low friction conveyor. At least a portion of the high friction belt is raised above the surface of the adjacent conveying surface in flow communication with the low friction conveying surface. Parcels contacting the high friction belt are prevented from shifting over toward the sidewall and parcels having a center of gravity outside the tipover point fall over the belt onto a recirculation conveyor.
대표청구항▼
1. A shift and hold conveying apparatus for removing oversize parcels, comprising: a conveyor including a low friction conveying surface for conveying parcels in a forward direction and a lateral direction;a first sidewall extending outwardly along an inward side edge of said conveyor at a selected
1. A shift and hold conveying apparatus for removing oversize parcels, comprising: a conveyor including a low friction conveying surface for conveying parcels in a forward direction and a lateral direction;a first sidewall extending outwardly along an inward side edge of said conveyor at a selected position for a selected length;a second sidewall extending along an inward side edge of said conveyor at a selected position for a selected length downstream from at least a portion of said first sidewall;an offset extending from said first sidewall toward said second sidewall; anda high friction belt of a selected width extending along an outer edge of said conveyor opposing said second sidewall raised a selected height above the surface of said low friction conveying surface and in flow communication therewith, said raised belt forming a tip-over threshold. 2. The shift and hold conveying apparatus of claim 1, including a side by side eliminator conveyor positioned downstream from said shift and hold conveyor in flow communication with said low friction conveying surface thereof. 3. The shift and hold conveying apparatus of claim 2, including a ramp extending from an outer edge of said side by side eliminator conveyor. 4. The shift and hold conveying apparatus of claim 2, including a ramp extending from an outer edge of said shift and hold conveyor. 5. The shift and hold conveying apparatus of claim 1, including a singulator conveyor positioned downstream from said shift and hold conveyor in flow communication with said low friction conveying surface thereof. 6. The shift and hold conveying apparatus of claim 5, including a ramp extending from an outer edge of said singulator conveyor. 7. The shift and hold conveying apparatus of claim 1, including a singulator conveyor positioned downstream from said shift and hold conveyor in flow communication with said low friction conveying surface thereof and a side by side eliminator conveyor positioned downstream from said singulator conveyor. 8. The shift and hold conveying apparatus of claim 1, including an upstream conveyor. 9. The shift and hold conveying apparatus of claim 1, including a downstream conveyor. 10. The shift and hold conveying apparatus of claim 1, wherein said high friction conveying surface comprises a belt. 11. The shift and hold conveying apparatus of claim 1, wherein said low friction conveying surface comprises a plurality of driven skewed rollers having rotary axes skewed relative to a longitudinal direction of travel for moving articles forward and laterally. 12. The shift and hold conveying apparatus of claim 1, wherein said high friction conveying surface comprises a belt comprising rubber, elastomers, polymers, and combinations thereof. 13. The shift and hold conveying apparatus of claim 1, wherein said high friction conveying surface comprises rollers having at least a portion thereof covered or coated with a high friction surface selected from the group consisting of a rubber, a polymer, an elastomer, and combinations thereof. 14. The shift and hold conveying apparatus of claim 1, wherein said low friction conveying surface comprises a metal. 15. The shift and hold conveying apparatus of claim 1, wherein said low friction conveying surface is composed of a material comprising an aluminum, a stainless steel, a steel, a TEFLON material, a NYLON material, a graphite material, a polymeric material which constitutes a low friction material when compared to said high friction conveying surface, and combinations thereof. 16. The shift and hold conveying apparatus of claim 1, wherein said low friction conveying surface comprises a plastic modular belting, a belt, a belt and/or rollers coated with a low friction coating and combinations thereof. 17. A method of conveying parcels, the method utilizing a shift and hold conveying apparatus, comprising a shift and hold conveyor including a low friction conveying surface for conveying parcels in a forward direction and a lateral direction, a first sidewall extending outwardly along an inward side edge of said conveyor at a selected position for a selected length, a second lateral sidewall extending along an inward side edge of said conveyor at a selected position for a selected length downstream from at least a portion of said first sidewall, an offset extending from said first sidewall toward said second sidewall, and a high friction conveying surface of a selected width extending along an outer edge of said conveyor opposing said second sidewall raised a selected height above the surface of said low friction conveying surface and in flow communication therewith, said raised conveying surface forming a tip-over threshold, the method comprising the steps of: conveying parcels on a low friction conveying surface in a forward direction and a lateral direction toward a first sidewall;aligning said parcels contacting said first sidewall, said first sidewall diverting said parcels inwardly toward a center portion of said conveyor a selected distance against said forward direction and said lateral direction of said low friction conveying surface establishing a threshold for separation of said parcels;conveying said parcels on said low friction conveying surface in a forward direction and a lateral direction downstream toward a second sidewall offset outwardly with respect to a center of said conveyor and inwardly with respect to said first sidewall shifting said parcels having a width below said threshold against said second sidewall for conveying downstream;conveying said parcels having a width above said threshold onto a raised high friction conveying surface in flow communication therewith having a tip-over threshold and extending along a side edge of said conveyor at a position generally opposite said second sidewall and spaced apart therefrom a selected distance;holding said on said parcels having a width above said threshold and having at least a portion thereof resting on said high friction conveying surface away from said second sidewall and conveying said parcels downstream; andremoving said parcels remaining on said raised high friction conveying surface from a downstream flow. 18. The method of conveying parcels, of claim 17, including the step of tipping over said parcels engaging said raised high friction conveying surface onto a side ramp and discharging same. 19. The method of conveying parcels of claim 17, including the step of discharging said parcels engaging said raised high friction belt from an outward distal end portion of said conveyor. 20. The method of conveying parcels of claim 17, including the step of conveying parcels having a width below said threshold and passing through said threshold onto a side by side eliminator conveyor in flow communication with said low friction conveying surface thereof. 21. The method of conveying parcels of claim 17, including the step of conveying parcels having a width below said threshold and passing through said threshold onto a singulator conveyor in flow communication with said low friction conveying surface thereof. 22. The method of conveying parcels of claim 17, including the step of conveying parcels having a width below said threshold and passing through said threshold onto singulator conveyor in flow communication with said low friction conveying surface and conveying said parcels passing through said singulator conveyor to a side by side eliminator conveyor in flow communication therewith. 23. The method of conveying parcels of claim 20, including the step of removing parcels above a threshold limit of said side by side eliminator by tipping said parcels over onto a ramp extending from an outer edge of said side by side eliminator conveyor. 24. The method of conveying parcels of claim 20, including the step of removing parcels above a threshold limit of said singulator conveyor by tipping said parcels over onto a ramp extending from an outer edge of said singulator conveyor.
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