Battery pack and power tool provided with the same
AssigneeHitachi Koki Co., Ltd.
InventorsHiroyuki Hanawa, Haruhisa Fujisawa, Keita Saitou
Life of this patent
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Abstract
According to an aspect of the present invention, there is provided a battery pack to be inserted and attached to a power tool, including: a case; a battery cell accommodated inside the case; and an electrode terminal connected to the battery cell and provided on the case so as to be connectable to a tool-side electrode terminal, wherein the case includes: a case main portion; and a case sub portion which is protruded from the case main portion to be inserted into the power tool, and wherein the electrode terminal is provided on an upper surface of the case main portion at a side of the case sub portion.
Claims21
A battery pack to be inserted and attached to a power tool, comprising:
- a case;
- a plurality of battery cells accommodated inside the case;
- and a plurality of electrode terminals connected to the battery cells and provided on the case so as to be connectable to a plurality of tool-side electrode terminals from the underside of the power tool, wherein the case includes:
- a case main portion;
- and a case sub portion which is protruded from an upper surface of the case main portion;
- wherein the plurality of battery cells include a first battery cell and a second battery cell, the first battery cell being longitudinally accommodated in the case sub portion such that a longitudinal axis of the first battery cell is substantially parallel to a longitudinal axis of the case sub portion, the second battery cell being accommodated in the case main portion, wherein the electrode terminals are provided on the upper surface of the case main portion, and wherein a majority of the case sub portion is inserted into the power tool when the battery pack is attached to the power tool.
A battery pack to be inserted and attached to a power tool, comprising:
- a case;
- a plurality of battery cells accommodated inside the case;
- and an electrode terminal connected to the battery cell and provided on the case so as to be connectable to a tool-side electrode terminal from the downside of the power tool, wherein the case includes:
- a case main portion;
- and a case sub portion which is protruded from an upper surface of the case main portion, wherein at least a portion of the plurality of battery cells are accommodated in the case sub portion, wherein the electrode terminal is provided so as to expose from the upper surface of the case main portion, and wherein a majority of the case sub portion is inserted into the power tool when the battery pack is attached to the power tool.
Dependencies are inferred from the claim text.