| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent water invading from a claw opening etc. of a battery housing from reaching a cell position to thereby prevent the occurrence of a fault in a battery for a tool.SOLUTION: In the battery housing, a hook housing chamber 60 for housing a hook 50 is provided so that the hook 50 can move between a lock position, in which a lock claw 52 protrudes from a claw opening 39, and a lock release position in which the lock claw is housed inside the opening. The hook housing chamber and a cell housing part are partitioned by partitioning plates 32e, 32f, 32x so that water invading from the claw opening and an operation opening 34h, 32h into the hook housing chamber does not reach the cell housing part in the battery housing.</p> |
