发明名称 BLOCKING DEVICE FOR A SHOPPING CART
摘要 <p>The invention relates to an immobilizer for a transport trolley, whereby a magnetic field is used for alternately activating and deactivating said immobilizer. In an embodiment of the invention, the deactivating magnetic field can be weaker than the activating magnetic field.</p>
申请公布号 EP1848623(B1) 申请公布日期 2011.07.20
申请号 EP20060742221 申请日期 2006.02.18
申请人 SONNENDORFER, HORST;WIETH, FRANZ 发明人 SONNENDORFER, HORST;WIETH, FRANZ
分类号 B62B5/04 主分类号 B62B5/04
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