| 摘要 |
A system to control the movement of carts in an airplane. It has a set of tracks in which a set of roller wheels is placed. The roller wheels are attached to the bottom of a typical cart. A releasable locking system is used to control the cart as before. In one embodiment, the system has a cart release mechanism to remove it from the tracks for servicing and storage. The system uses a "pop-up" ramp that is embedded in the bottom of the track at specific locations. At these locations, the top of the track is large enough to allow the wheels to pass out of the track. Thus, to remove the cart, the ramps are deployed and the cart is pushed up the ramps until all four wheels have come out of the track.
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