Charging device with rotatable power inlet

Details

Inventors: Wei, Jung-Kuei;
Assignee: Modern Electric Co., Ltd. (Taoyuan, TW)
Primary Examiner: Tso; Edward
Assistant Examiner:
Attorney, Agent or Firm: Browdy & Neimark

A charging device includes a charging circuit having a power inlet and a power outlet which is preferably connected to the charging circuit by means of a cable. An adaptor which is adapted to electrically connect to a given external power source, such as a wall outlet or a cigarette lighter holder provided on the control panel of an automobile, has a connection portion for releasable connection with the power inlet of the charging circuit for supplying electricity from the power source to the charging circuit. The adaptor may be provided with a voltage transformer to allow the charging circuit to be used with external power source of different voltage outputs. A battery holder has a connection portion for releasable connection with the power outlet of the charging circuit to supply the output of the charging device to the battery holder. The battery holder defines therein at least one battery receptacle for receiving and holding therein a battery to be charged with an electrical connection established between the battery and the connection portion of the battery holder when the battery is received within the battery receptacle so as to have the battery charged.

DETAILED DESCRIPTION The principal object of the present invention is to provide a battery charging device which is suitable for charging batteries of different specifications.
Another object of the present invention is to provide a universal charging device wherein different adaptors are exchangeably provided so as to have the charging device connectable with different power supply systems.
A further object of the present invention is to provide a universal charging device wherein different battery holders are exchangeably provided for holding and connecting batteries of different specifications to the charging device.
A further object of the present invention is to provide a battery charging device wherein a resistor is provided to be parallel with the output terminals of the charging device, serving as an automatic detection device, for controlling the output voltage of the charging device in correspondence with the specification of the battery to be charged, the resistor being exchangeable with resistors of different resistances for accommodating batteries of different specifications.
Thus, in accordance with the present invention, there is provided a charging device comprising a charging circuit having a power inlet and a power outlet which is preferably connected to the charging circuit by means of a cable.
An adaptor which is adapted to electrically connect to a given external power source, such as a wall outlet or a cigarette lighter holder provided on the control panel of an automobile, has a connection portion for releasable connection with the power inlet of the charging circuit for supplying electricity from the power source to the charging circuit.
The adaptor may be provided with a voltage transformer to allow the charging circuit to be used with external power source of different voltage outputs.
A battery holder has a connection portion for releasable connection with the power outlet of the charging circuit to supply the output of the charging device to the battery holder

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