CHARGER
PROBLEM TO BE SOLVED: To provide a highly durable and reliable charger with an improved outer strength of a charger body. SOLUTION: The charger body 1 having a power-supply cord 2 and a power-charging cord 3 is designed as a substantially rectangular parallelepiped shape at least with one surface of...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a highly durable and reliable charger with an improved outer strength of a charger body. SOLUTION: The charger body 1 having a power-supply cord 2 and a power-charging cord 3 is designed as a substantially rectangular parallelepiped shape at least with one surface of substantially convex form. Accordingly, when heavy-weight objects such as vehicles are run over the charger body 1, a force F from an upper side is equivalent to the resultant force of the force Fa from a vertically lower side and the force Fb in the normal direction at the point where the force is acted. In other words, as the relation F>Fa is established, the strength of the charger body 1 is remarkably improved against the force from the upper side, and the durability and the reliability can be also improved. COPYRIGHT: (C)2011,JPO&INPIT |
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