Power cord
AssigneeFuji Electric Wire Industries Co., Ltd.
InventorShinichi Tsujino
Life of this patent
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Abstract
A power cord which prevents breakage of a plug or cord/conductors even when treated roughly, and thus has a longer life. The power cord includes a plurality of cores of a synthetic resin, each for covering a connection section of a single blade among a plurality of blades, and an outer skin of a synthetic resin, for covering the plurality of cores together such that the blades are held at a specified interval spacing so as to form a plug. The synthetic resin forming the outer skin is softer than the synthetic resin forming the cores. The outer skin includes a thicker part for covering a border part of each cord having an internal covering member between a part covered with the core and a part exposed from the core.
Claims13
A power cord, comprising:
- a plurality of blades each including an outlet insertion part at a leading end thereof and a connection section at a trailing end thereof, the connection section being connected to a plurality of conductors exposed from a leading end of a corresponding cord among a plurality of cords;
- a plurality of cores each for covering the connection section of a single corresponding blade of the plurality of blades, the cores being formed of a synthetic resin;
- and
- an outer skin for covering the plurality of cores together such that the plurality of blades are held at a specified interval spacing, so as to form a plug, the outer skin being formed of a synthetic resin;
- wherein:
- the synthetic resin forming the outer skin is softer than the synthetic resin forming the cores;
- the outer skin includes a thicker part for covering a border part of each cord between a part covered with the core and a part exposed from the core;
- a separate core of the plurality of cores is provided for each blade of the plurality of blades;
- the plurality of cores are completely covered by the outer skin;
- trailing end surfaces of the cores are aligned to the same plane as each other;
- and
- the thicker part of the outer skin is aligned to the same plane as the trailing end surfaces of the cores.
A power cord, comprising:
- a plurality of blades each including an outlet insertion part at a leading end thereof and a connector at a trailing end thereof, the connector being connected to a plurality of conductors exposed from a leading end of a corresponding cord among a plurality of cords;
- a plurality of cores each for covering the connector of a single corresponding blade of the plurality of blades, the cores being formed of a synthetic resin;
- and
- an outer skin for covering the plurality of cores together such that the plurality of blades are held at a specified interval spacing, so as to form a plug, the outer skin being formed of a synthetic resin;
- wherein
- a separate core of the plurality of cores is provided for each blade of the plurality of blades;
- the plurality of cores are completely covered by the outer skin;
- the blades each have a wider part in a trailing end part thereof, which is wider than a leading end part thereof;
- and
- the connection section includes a crimping section and a joint section, the crimping section pressure-contacts the conductors to the trailing end of the blade, and the joint section joints the conductors to the wider part by welding;
- wherein trailing end surfaces of the cores are aligned to the same plane as each other;
- and the thicker part of the outer skin is aligned to the same plane as the trailing end surfaces of the cores.
Dependencies are inferred from the claim text.