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Charging plug with contact-free switch device

  • US 9,401,566 B2
  • Filed: 04/05/2012
  • Issued: 07/26/2016
  • Est. Priority Date: 04/13/2011
  • Status: Active Grant
First Claim
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1. Charging plug for connection in an insertion direction to a charging socket of a device which is intended to be supplied with electrical charging energy or which provides the charging energy, having at least one plug contact which can be connected to a charging energy line so as to conduct charging energy, and having a switching device, in accordance with the switching state of which the supply with charging energy takes place, the switching device being constructed with a switching member which has a closed switching state and an open switching state and with an actuation member for influencing the switching state, wherein the switching member is arranged inside and the actuation member is arranged outside an enclosed conduction chamber of the charging plug, the switching member has a switching sensor which converts physical environmental properties to changes in switching state and the switching device has a switching source which brings about the physical properties, the strength of the physical properties on the switching sensor being dependent on the position of the actuation member relative to the switching member, the switching sensor and the switching source being fixed in a sealed portion of the charging plug and the actuation member being movable relative to the switching sensor and the switching source.

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