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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0137889 (2016-04-25) |
| 등록번호 | US-10207870 (2019-02-19) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 295 |
An autonomous transport vehicle for transferring case units to and from predefined storage areas in an automated case unit storage system, the automated case unit storage system including an array of multilevel storage racks with picking aisles passing therebetween and at least one multilevel vertic
An autonomous transport vehicle for transferring case units to and from predefined storage areas in an automated case unit storage system, the automated case unit storage system including an array of multilevel storage racks with picking aisles passing therebetween and at least one multilevel vertical conveyor having movable shelves, the autonomous transport vehicle including a frame configured to traverse the picking aisles and a transfer deck connecting the picking aisles to the at least one multilevel vertical conveyor for transferring case units between the predefined storage areas and the at least one multilevel vertical conveyor, and a controller connected to the frame, the controller being configured to effect movement of the autonomous transport vehicle through the picking aisles for accessing each storage area within a respective level of the array of multilevel storage racks and each shelf of the at least one multilevel vertical conveyor.
1. An automated case unit storage system for handling case units that are adapted for being palletized for shipping to or from a storage facility, the automated case unit storage system comprising: an array of multilevel storage racks having predefined storage areas at each rack level so that at lea
1. An automated case unit storage system for handling case units that are adapted for being palletized for shipping to or from a storage facility, the automated case unit storage system comprising: an array of multilevel storage racks having predefined storage areas at each rack level so that at least one corresponding predetermined storage area is disposed in a common level of each rack level;a controller configured to effect dynamic allocation of case units of dissimilar sizes into dynamically allocated and sized storage areas of the at least one corresponding storage area on each rack level in the array of multilevel storage racks, wherein at least one case unit of the case units of dissimilar sizes is an individual item unit or includes more than one individual item in the at least one case unit; andan independent autonomous transport vehicle operatively connected to the controller, the independent autonomous transport vehicle being configured for independently traversing an aisle or deck within one level of the multilevel storage racks and for transferring the case units to or from the predefined storage areas, the independent autonomous transport vehicle including an independent frame,a support shelf adapted for holding at least one case unit thereon, the support shelf being movably connected to the independent frame so that the support shelf is movable between extended and retracted positions,a drive system mounted to the independent frame, andguiding devices mounted to the independent frame;where the independent autonomous transport vehicle is configured to effect dynamic allocation of the case units of dissimilar sizes into the dynamically allocated and sized storage areas so that a mix of the dissimilarly sized case units, including the at least one case unit, are each disposed by the autonomous transport vehicle into corresponding dissimilarly sized storage areas of the dynamically allocated and sized storage areas of the common level of the at least one corresponding storage area of each rack level of the multilevel storage racks in the array of the multilevel storage racks. 2. The automated case unit storage system of claim 1, wherein the dynamic allocation of case units comprises the independent autonomous transport vehicle being configured to stop at a dynamically determined position along picking aisles of the array of multilevel storage racks for aligning at least a portion of the support shelf with the at least one case unit or empty space located in the array of multilevel storage racks for effecting a transfer of the at least one case unit between the support shelf and a storage area corresponding to one of the at least one case unit or empty space. 3. The automated case unit storage system of claim 1, wherein the array of multilevel storage racks comprise a floor having tracked transport areas for guiding the independent autonomous transport vehicle through tracked and un-tracked transport areas, the independent autonomous transport vehicle being configured to transition between the tracked transport areas and the un-tracked transport areas, the guiding devices including at least one sensor configured to sense at least one feature of the un-tracked transport areas for contactlessly guiding the independent autonomous transport vehicle in the un-tracked transport areas. 4. The automated case unit storage system of claim 1, wherein the independent autonomous transport vehicle includes a lifting device for lifting and lowering the support shelf for transferring the at least one case unit to or from the dynamically allocated and sized storage areas. 5. The automated case unit storage system of claim 1, wherein the independent frame has a first end and a second end, the independent autonomous transport vehicle further includes a pair of individually operable drive wheels disposed at the first end and driven by the drive system and a pair of idler wheels disposed at the second end. 6. The automated case unit storage system of claim 1, further comprising: a vertical lift configured to transport case units to predetermined levels of the array of multilevel storage racks, the vertical lift comprising slatted transport shelves adapted for holding case units thereon, the independent autonomous transport vehicle being configured to directly or indirectly place or remove case units from the transport shelves of the vertical lift. 7. A method for handling case units that are adapted for being palletized for shipping to or from a storage facility, the method comprising: providing an array of multilevel storage racks having predefined storage areas at each rack level so that at least one corresponding predetermined storage area is disposed in a common level of each rack level;providing case units of dissimilar sizes for storage in the array of multilevel storage racks, wherein at least one case unit of the case units of dissimilar sizes is an individual item unit or includes more than one individual item in the at least one case unit;effecting with a controller, dynamic allocation of the case units of dissimilar sizes into dynamically allocated and sized storage areas of the at least one corresponding storage area on each rack level in the array of multilevel storage racks; andtransferring the at least one case unit to or from the predefined storage areas with an independent autonomous transport vehicle operatively connected to the controller, the independent autonomous transport vehicle being configured for independently traversing an aisle or deck within one level of the multilevel storage racks and including an independent frame,a support shelf adapted for holding at least one case unit thereon, the support shelf being movably connected to the independent frame so that the support shelf is movable between extended and retracted positions,a drive system mounted to the independent frame, andguiding devices mounted to the independent frame; andeffecting, with the independent autonomous transport vehicle, dynamic allocation of the case units of dissimilar sizes into the dynamically allocated and sized storage areas so that a mix of the dissimilarly sized case units, including the at least one case unit, are each disposed by the autonomous transport vehicle into corresponding dissimilarly sized storage areas of the dynamically allocated and sized storage areas of the common level of the at least one corresponding storage area of each rack level of the multilevel storage racks in the array of the multilevel storage racks. 8. The method of claim 7, wherein the dynamic allocation of case units comprises stopping the independent autonomous transport vehicle at a dynamically determined position along picking aisles of the array of multilevel storage racks for aligning at least a portion of the support shelf with the at least one case unit or empty space located in the array of multilevel storage racks for effecting a transfer of the at least one case unit between the support shelf and a storage area corresponding to one of the at least one case unit or empty space. 9. The method of claim 7, wherein the array of multilevel storage racks comprises a floor having tracked transport areas for guiding the independent autonomous transport vehicle through tracked and un-tracked transport areas, the independent autonomous transport vehicle being configured to transition between the tracked transport areas and the un-tracked transport areas, the guiding devices including at least one sensor, the method further comprising sensing at least one feature of the un-tracked transport areas for contactlessly guiding the independent autonomous transport vehicle in the untracked transport areas. 10. The method of claim 7, wherein the independent autonomous transport vehicle includes a lifting device for lifting and lowering the support shelf for transferring the at least one case unit to or from the dynamically allocated and sized storage areas. 11. The method of claim 7, wherein the independent frame has a first end and a second end, the independent autonomous transport vehicle further includes a pair of individually operable drive wheels disposed at the first end and driven by the drive system and a pair of idler wheels disposed at the second end. 12. The method of claim 7, further comprising: providing a vertical lift configured to transport case units to predetermined levels of the array of multilevel storage racks, the vertical lift comprising slatted transport shelves adapted for holding case units thereon, the independent autonomous transport vehicle being configured to directly or indirectly place or remove case units from the transport shelves of the vertical lift.
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