Patent ID: 11967728
Assignee: MAKITA CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 0:
1. A battery pack configured to be attached to a battery pack mount by moving the battery pack downward with respect to the battery pack mount and to be detached from the battery pack mount by moving the battery pack upward with respect to the battery pack mount,
the battery pack comprising a casing,
wherein
the casing includes a first guide groove and a second guide groove on a side surface of the casing in a left-right direction, the first guide groove extending upward from a lower end of the side surface and the second guide groove extending upward from the lower end of the side surface,
a length of the first guide groove in an up-down direction and a length of the second guide groove in the up-down direction are different,
the first guide groove includes:
a lower guide portion extending upward from the lower end of the side surface;
an upper guide portion above the lower guide portion and extending along the up-down direction; and
an intermediate guide portion connecting the lower guide portion and the upper guide portion, and

a width of the upper guide portion in a front-rear direction is smaller than a width of the lower guide portion in the front-rear direction and/or a depth of the upper guide portion in the left-right direction is smaller than a depth of the lower guide portion in the left-right direction.