BATTERY PACKS FOR ELECTRIC TOOLS

摘要

A battery pack includes a battery side terminal electrically connectible with a device side terminal of a device body that may be a tool body of an electric tool or a charger body of a charger. The battery side terminal includes a first contact portion and a second contact portion. The first contact portion configured to form an electric contact through contact with a first side surface of the device side terminal. The second contact portion configured to form an electric contact through contact with a second side surface opposite to the first side surface of the device side terminal. The first contact portion configured to contact the first side surface in a first contact range having a first length. The second contact portion configured to contact the second side surface in a second contact range having a second length that may be different from the first length.

主权项

1. A battery pack for detachably mounting to a device body of an electric tool or a charger, comprising:
a battery side terminal electrically connectible with a device side terminal of the device body, the device side terminal being configured to have a shape of a flat plate and having a first side surface and a second side surface opposite to each other; wherein: the battery side terminal comprises a first contact portion and a second contact portion, the first contact portion being configured to form an electric contact through contact with the first side surface of the device side terminal, and the second contact portion being configured to form an electric contact through contact with the second side surface of the device side terminal; the first contact portion is configured to contact the first side surface in a first contact range having a first length; and the second contact portion is configured to contact the second side surface in a second contact range having a second length that is different from the first length.