Handle portion of hand-held electric tool

摘要

Three battery cells can be arranged such that one battery cell is situated on the front side of a handle portion and that the remaining two battery cells are situated on the rear side thereof while being arranged laterally side by side. Also, a handle portion can be generally of a triangular cross-sectional configuration whose apex portion is situated on the front side of the handle portion and whose base portion is situated on the rear side thereof; and the handle portion is grasped by bringing fingertips into contact with the apex portion (11a) on the front side.

主权项

1. A hand-held type electric tool comprising:
a tool main body extending in a forward and rearward direction; a handle housing extending downward from the tool main body; a chuck disposed on a front side of the tool main body; a switch lever disposed on the handle housing; and a rechargeable type battery pack; wherein: the handle housing is configured to receive at least a part of the rechargeable type battery pack: the rechargeable type battery pack includes three battery cells and a battery case; the three battery cells include one battery cell and two battery cells arranged on a rear side of the one battery cell; the battery case includes a cover portion which is attached to a lower end portion of the handle housing and a fixation claw portion, wherein the fixation claw portion can be used to attach the rechargeable type battery pack to the handle housing and the fixation claw portion is arranged so as to be capable of being grasped by the user; the handle housing has a substantially triangular cross sectional configuration such that the handle housing has i) an apex portion disposed on a front side of the handle housing and ii) a base portion disposed on a rear side of the handle housing, the lower end portion of the handle housing has an outer shape that substantially conforms to an outer shape of the cover portion of the battery case, in the substantially triangular cross sectional configuration, a maximum dimension of the handle housing in a direction perpendicular to the forward and rearward direction is located on a front side of a maximum dimension of the battery case where the two battery cells are disposed, and the fixation claw portion is located between the one battery cell and one of the two battery cells in the forward and rearward direction.