| 摘要 |
The holder consists of a fixing for the trolley handle and an angled bracket connecting it to a housing which contains the advertisement. The fixing is held in place by screws, the bracket is bent at a right angle, and the housing is in the form of a sleeve (6) which receives a sliding drawer or cartridge (9) with a lock (11) to retain it when closed. In a variant of the design the sleeve has a front flap which opens on a hinge, and the whole assembly is made from a transparent material. The drawer can be made from an opaque material, while the fixing screws should be tamper-proof.
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