Patent ID: 8573322

Claim:
A hook and power tool combination comprising: a power tool having a handle with a battery pack attachment portion configured to attach to a removable battery pack and a removable battery pack; the battery pack attachment portion of the power tool having a first cross-sectional height that is a maximum cross-sectional height of the battery pack attachment portion along a longitudinal axis of the handle; the removable battery pack having a second cross-sectional height that is a maximum cross-sectional height of the battery along the longitudinal axis of the handle, the second height being larger than the first height; and a hook configured to attach to the handle along the battery pack attachment portion, wherein the hook has a ring-shaped slip-off preventing portion having a diameter larger than the first height and wherein the combined height of the first and second heights is such that the handle can be inserted through the ring-shaped slip-off preventing portion when the battery pack is not attached to the handle, and when the battery pack is attached to the handle, the slip-off preventing portion is prevented from being pulled out from the handle by the battery pack attached to the handle.