A bin exchange system is disclosed that includes a plurality of automated carriers, each of which is adapted to be remotely movable on an array of track sections, at least one input station by which bins may be introduced to the array of track sections, at least one processing station in communication with the array of track sections wherein objects may be moved between bins, and at least one output station by which bins may be removed from the array of track sections.

A traveling body has a position detector, a traveling controller, and a determination processor. The position detector detects a position of the traveling body while the traveling body travels. The traveling controller switches between a first traveling method and a second traveling method. In the first traveling method, the traveling body is traveled along a guide member, by detecting the guide member laid on the traveling route, whereas in the second traveling method, the traveling body is traveled based on the position detected by the position detector without depending on the guide member. The determination processor determines a detection state of the guide member. The traveling controller switches from the first traveling method to the second traveling method, when the determination processor determines that the guide member is in a detection state in which the traveling body cannot travel by the first traveling method.

A traveling body has a position detector, a traveling controller, and a determination processor. The position detector detects a position of the traveling body while the traveling body travels. The traveling controller switches between a first traveling method and a second traveling method. In the first traveling method, the traveling body is traveled along a guide member, by detecting the guide member laid on the traveling route, whereas in the second traveling method, the traveling body is traveled based on the position detected by the position detector without depending on the guide member. The determination processor determines a detection state of the guide member. The traveling controller switches from the first traveling method to the second traveling method, when the determination processor determines that the guide member is in a detection state in which the traveling body cannot travel by the first traveling method.

A method of operating an automated storage and retrieval system includes: a rail system including a first set of parallel rails arranged in a horizontal plane and extending in a first direction, and a second set of parallel rails arranged in the horizontal plane and extending in a second direction which is orthogonal to the first direction, which first and second sets of rails form a grid pattern in the horizontal plane including a plurality of adjacent grid cells, a central control unit configured to receive, transmit and process data signals of a plurality of container handling vehicles for handling storage containers of the automated storage and retrieval system. Each container handling vehicle includes a vehicle body, a wheel assembly provided on the vehicle body, the wheel assembly being configured to move the vehicle along the rail system in both of the first direction and the second direction, a vehicle control unit configured to receive data signals from, transmit data signals to and process data signals of the central control unit, and a proximity sensor system configured to detect another container handling vehicle of said plurality of container handling vehicles and determine whether or not it is within a predetermined distance. The method includes detecting with the central control unit that access of a first container handling vehicle to a target cell, which is one of the plurality of grid cells, is blocked by a second container handling vehicle, transmitting a data signal from the central control unit to the vehicle control unit of the first container handling vehicle commanding the first container handling vehicle to move into the target cell when the second container handling vehicle is beyond said predetermined distance.

An automated storage and retrieval system comprising an automated storage and retrieval grid and a delivery system. The automated storage and retrieval grid includes a container handling vehicle rail system for guiding a plurality of container handling vehicles and a delivery column adapted for transport of a storage container arranged in a stack of storage containers beneath the container handling vehicle rail system between a container handling vehicle and a delivery port situated at a lower end of the delivery column. The container handling vehicle rail system includes a first set of parallel rails arranged in a horizontal plane and extending in a first direction, and a second set of parallel rails arranged in the horizontal plane and extending in a second direction which is orthogonal to the first direction, which first and second sets of rails form a grid pattern in the horizontal plane including a plurality of adjacent container handling vehicle grid cells. Each container handling vehicle grid cell includes a container handling vehicle grid opening defined by a pair of neighboring rails of the first set of rails and a pair of neighboring rails of the second set of rails. The delivery system includes a remotely operated delivery vehicle including a container carrier adapted to support the storage container. The delivery vehicle is further adapted to transport the storage container between the delivery port and a second location for handling of the storage container by at least one of a robotic operator and a human operator.

An automated storage and retrieval system comprising an automated storage and retrieval grid and a delivery system. The automated storage and retrieval grid includes a container handling vehicle rail system for guiding a plurality of container handling vehicles and a delivery column adapted for transport of a storage container arranged in a stack of storage containers beneath the container handling vehicle rail system between a container handling vehicle and a delivery port situated at a lower end of the delivery column. The container handling vehicle rail system includes a first set of parallel rails arranged in a horizontal plane and extending in a first direction, and a second set of parallel rails arranged in the horizontal plane and extending in a second direction which is orthogonal to the first direction, which first and second sets of rails form a grid pattern in the horizontal plane including a plurality of adjacent container handling vehicle grid cells. Each container handling vehicle grid cell includes a container handling vehicle grid opening defined by a pair of neighboring rails of the first set of rails and a pair of neighboring rails of the second set of rails. The delivery system includes a remotely operated delivery vehicle including a container carrier adapted to support the storage container. The delivery vehicle is further adapted to transport the storage container between the delivery port and a second location for handling of the storage container by at least one of a robotic operator and a human operator.

The present invention provides a storage system (1) comprising a storage grid structure (104) and multiple container handling vehicles (200,300), the storage grid structure comprises vertical column profiles (102) defining multiple storage columns (105), in which storage containers (106) can be stored one on top of another in vertical stacks (107), and at least one transfer column (119,120), the column profiles are interconnected at their upper ends by top rails (110,111) forming a horizontal top rail grid (108) upon which the container handling vehicles (200,300) may move in two perpendicular directions, the container handling vehicles are able to retrieve storage containers (106) from, and store storage containers in, the storage columns (105), and transport the storage containers on the storage grid structure, wherein the storage grid structure (104) comprises at least one horizontal transfer section (2); and the storage system comprises multiple container transfer vehicles (6) and transfer rails (110′,111) forming a transfer rail grid (5) upon which the container transfer vehicles (6) may move in at least one horizontal direction, and the transfer section (2) is arranged at a level below the top rail grid (108) and extends from an external side (12) of the storage grid structure (104) to a position below the at least one transfer column (119,120) and comprises at least a section of the transfer rail grid (5) upon which section the container transfer vehicles (6) may pass each other and move in two perpendicular horizontal directions; and each of the container transfer vehicles comprises a container carrier (38) for carrying a storage container (106) and a wheel arrangement (32a,32b) for moving the container transfer vehicle (6) in two perpendicular directions upon the transfer rail grid (5); and wherein the at least one transfer column (119,120) extends from the top rail grid (108) to the transfer section (2), such that a storage container (106) may be transferred between the top rail grid (108) and the container carrier of one of the container transfer vehicles (6).

An automated storage and retrieval system includes a storage grid for storage of storage containers and a delivery system for transport of said storage containers between a delivery port of the storage grid and an access point of the delivery system. The access point is adapted for handling of items held in the storage containers by a robotic operator or human operator. The delivery system includes a delivery rail system including at least a first set of parallel rails arranged in a horizontal plane (P1) and extending in a first direction (X), and at least a second set of parallel rails arranged in the horizontal plane (P1) and extending in a second direction (Y) which is orthogonal to the first direction (X), the first and second sets of rails together defining a delivery grid of delivery grid cells, the access point, and a remotely operated delivery vehicle comprising a motorized vehicle body and a container carrier provided above the motorized vehicle body for carrying a storage container of the storage containers. The delivery vehicle is moveable on the delivery grid of the delivery rail system. The delivery grid provides one or more delivery grid cells for the remotely operated delivery vehicle at the access point as well as a plurality of delivery grid cells adjacent the one or more delivery grid cells of the access point, such that there is more than one path to and/or from the access point for the remotely operated delivery vehicle via the plurality of delivery grid cells. The remotely operated delivery vehicle is arranged to transport the storage container from the delivery port of the storage grid across the delivery grid to the access point and return the storage container to the delivery port for storage within the storage grid. The access point is provided in a container accessing station, said station being arranged for separating the robotic or human operator from the delivery rail system and the remotely operated delivery vehicle. The container accessing station comprises a cabinet comprising walls and a top cover supported thereon, wherein the items held in the storage container carried by a remotely operated delivery vehicle at the access point is reachable through an opening in the top cover.

A transport system includes a guide rail having a loop-wound pathway with straight portions and curved portions linking the straight portions. A carriage is movable along the guide rail, a first and a second shaft being mounted on the carriage transversely to the carriage movement direction. A first pair of rollers are mounted rotatably on the first shaft so that a first roller contacts the internal wall of the guide rail and a second roller contacts the external wall of the guide rail. A second pair of rollers mounted rotatably on the second shaft include a first roller in contact with the internal wall of the guide rail and a second roller in contact with the external wall. The first and the second shaft are mounted on the carriage for pivoting about an axis perpendicular to the carriage.

A transport system includes a guide rail having a loop-wound pathway with straight portions and curved portions linking the straight portions. A carriage is movable along the guide rail, a first and a second shaft being mounted on the carriage transversely to the carriage movement direction. A first pair of rollers are mounted rotatably on the first shaft so that a first roller contacts the internal wall of the guide rail and a second roller contacts the external wall of the guide rail. A second pair of rollers mounted rotatably on the second shaft include a first roller in contact with the internal wall of the guide rail and a second roller in contact with the external wall. The first and the second shaft are mounted on the carriage for pivoting about an axis perpendicular to the carriage.