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An apparatus for transport and controlled discharge of a load has a frame with a guide for a series of displaceable transport containers, a drive unit for carrying the containers in an endless track, a resetting device for placing a container in a starting position and discharge station for selectiv

An apparatus for transport and controlled discharge of a load has a frame with a guide for a series of displaceable transport containers, a drive unit for carrying the containers in an endless track, a resetting device for placing a container in a starting position and discharge station for selectively relieving a container of a load. The containers have an at least partially movable carrying panel for receiving the load thereon, including a tray which can be operated selectively between a transporting and discharge positions. The guide provides on either side of the containers a support surface on which the containers support with free-running wheels. On at least one side of the containers the support surface displays a convexity in a direction transversely of the transport direction with an apex on which a running surface of at least one wheel is received.

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The invention claimed is: 1. Apparatus for transport and controlled discharge of a load, comprising: a frame with a guide for a series of displaceable transport containers, a drive means for carrying the transport containers in an endless path, and a resetting device for placing a transport contain

The invention claimed is: 1. Apparatus for transport and controlled discharge of a load, comprising: a frame with a guide for a series of displaceable transport containers, a drive means for carrying the transport containers in an endless path, and a resetting device for placing a transport container in a starting position and a discharge station for selectively receiving a load of a transport container, wherein the transport containers are provided with an at least partially movable carrying panel for receiving of the load thereon, the carrying panel comprising a tray that is operated selectively between an upwardly facing transporting position and a downwardly depending discharge position, wherein the guide includes on both sides of the transport containers a support surface on which free-running castor wheels of the transport containers are upwardly supported, and wherein on at least one of the sides of the transport containers the support surface comprises an upwardly protruding convexity in a direction transversely of a transport direction of the transport containers for receiving thereon a running surface of at least one of the wheels of the transport containers. 2. Apparatus as claimed in claim 1, characterized in that the drive means comprise an endless driven belt which runs along the track and to which the transport containers are coupled. 3. Apparatus as claimed in claim 1, characterized in that the carrying panel comprises at least one tilt tray which is selectively tiltable on a tilt axis between a substantially horizontal transporting position and a downward hanging discharge position. 4. Apparatus as claimed in claim 1, characterized in that at least one of the support surfaces forms part of a bottom of a substantially u-shaped profile which is adapted to receive therein at least one of the wheels of a transport container. 5. Apparatus as claimed in claim 4, characterized in that the transport container comprises on either side of the wheel a stop which is adapted to strike against an upright wall of the profile in the case of a transverse displacement of the transport container. 6. Apparatus for transport and controlled discharge of a load, comprising: a frame with a guide for a series of displaceable transport containers, a drive means for carrying the transport containers in an endless path, the transport containers being coupled to the drive means with first coupling members, a resetting device for placing a transport container in a starting position and a discharge station for selectively receiving a load of a transport container, wherein the transport containers are provided with an at least partially movable carrying panel for receiving of the load thereon, the carrying panel comprising a tray that is operated selectively between a transporting position and a discharge position, wherein between successive transport containers there are provided second coupling members spaced from said first coupling members and from said drive means and which, at least in a straight part of the path, mutually co-act in order to engage the successive transport containers, and wherein the second coupling members disengage from each other when the successive transport containers spread apart in a bend of the path whereas the successive transport containers stay coupled to the drive means with the first coupling members, and wherein the drive means follows the endless path. 7. Apparatus as claimed in claim 6, characterized in that the second coupling members comprise a rib on one transport container, said rib extending substantially horizontally and transversely of a transporting direction of the transport containers, and an at least substantially complementary groove on another transport container directly adjacent to the one transport container, said rib being received loosely in the groove. 8. Apparatus as claimed in claim 7, characterized in that the rib and groove are curved along at least a part of their length. 9. Apparatus as claimed in claim 7, characterized in that at least in cross-section the rib narrows toward a free end over at least a part of its height. 10. Apparatus as claimed in claim 6, characterized in that the second coupling members comprise elements which are arranged on the transport containers and which are manufactured from plastic. 11. Apparatus as claimed in claim 6, wherein the first coupling members include a manually releasable rapid-action coupling to the drive means. 12. Apparatus as claimed in claim 6, characterized in that the resetting device is arranged at the entry into a bend in the path. 13. Apparatus as claimed in claim 6, characterized in that a loading station is arranged after the exit from a bend in the path in order to feed a load to a passing transport container, and that the discharge station is placed before the entry into a subsequent bend in the path. 14. Apparatus as claimed in claim 6, characterized in that the carrying panel of the transport containers comprises two sets of tilt trays which are placed adjacently of each other in a longitudinal direction and which pivot pairwise about a common tilt axis, that a resetting device and an operating member of a discharge station are provided on either side of the track, and that the sets of tilt trays are each provided with a locking mechanism. 15. Apparatus for transport and controlled discharge of a load, comprising: a frame with a guide for a series of displaceable transport containers; a drive means for carrying the transport containers in an endless path, the transport containers being coupled to the drive means with first coupling members; and second coupling members between successive transport containers, said second coupling members being spaced from said first coupling members and from said drive means and, at least in a straight part of the path, mutually co-act to engage the successive transport containers, wherein the second coupling members disengage from each other when the successive transport containers spread apart in a bend of the path whereas the successive transport containers stay coupled to the drive means with the first coupling members, wherein the drive means follows the endless path.