Patent ID: 7351077

Claim:
An electric power tool comprising: a main body including a tubular tool body part with an output portion at one end, the tool body part having therein a motor for driving the output portion, and a grip portion extending from the tool body part in a direction intersecting an axial direction of the tool body part, the grip portion having an attachment section formed at a bottom end portion thereof; and a battery pack having an attachment portion formed at an upper region of the battery pack to be detachably attached to the main body; wherein the attachment section of the main body is provided with an engaged portion; and wherein the attachment portion of the battery pack includes a locking portion for interlocking with the engaged portion when the engaged portion is inserted under the locking portion; and an engaging portion for engaging with the engaged portion interlocked with the locking portion to thereby prevent the engaged portion from being moved away from the locking portion; and wherein the battery pack is provided with, at a side region thereof, with an operating portion for releasing the engagement of the engaging portion with the engaged portion to thereby allow the engaged portion to be moved away from the locking portion.