Electrical apparatus and apparatus system
A battery pack includes a battery-side terminal and a housing. The housing includes a groove defined in a vicinity of the battery-side terminal. The electrical apparatus includes a body case; and a hook attached to the body case and configured to be engaged with the groove of the battery pack. The battery pack is fixed to the electrical apparatus by the hook being engaged with the groove.
1 . An electrical apparatus to which a battery pack is to be detachably attached,
the battery pack including a battery-side terminal and a housing, wherein the housing includes a groove defined in a vicinity of the battery-side terminal,
the electrical apparatus comprising:
a body case;
a terminal unit including an apparatus-side terminal corresponding to the battery-side terminal and attached to the body case; and
a hook rotatably attached to the terminal unit and configured to engage with the groove of the battery pack, wherein:
the hook includes a rotatable operation portion configured to be operated by a worker,
the battery pack is fixed to the electrical apparatus by the hook engaging with the groove,
one of the terminal unit and the hook comprises a protruding portion protruding in an axial direction,
the other of the terminal unit and the hook comprises a recess configured to slidably retain the protruding portion, and
the hook is attached to the terminal unit such that the hook is rotatable about an axis of the protruding portion.
2 . The electrical apparatus according to claim 1 , wherein the hook is rotatably attached to the terminal unit outside the body case.
3 . The electrical apparatus according to claim 2 , further comprising
a biasing member disposed between the terminal unit and the hook,
wherein the biasing member is configured to bias the hook from an unlock position to a lock position,
wherein under a state where the hook is positioned in the unlock position, the battery pack is not fixed to the electrical apparatus, and
under a state where the hook is positioned in the lock position, the battery pack is fixed to the electrical apparatus.
4 . The electrical apparatus according to claim 1 , wherein
the body case comprises an upper wall to which the apparatus-side terminal is attached, a bottom wall, and a standing portion extending upward from the upper wall,
wherein the standing portion includes a rail extending in a sliding direction of the battery pack, and
an upper end of the standing portion is positioned higher than an upper end of the hook.
5 . The electrical apparatus according to claim 4 , wherein
the standing portion is disposed at each side end in a first direction orthogonal to the sliding direction.
6 . The electrical apparatus according to claim 1 , wherein
the electrical apparatus is a charger.
7 . The electrical apparatus according to claim 1 , wherein
the terminal unit comprises the protruding portion, and
the hook comprises the recess.
8 . An electrical apparatus to which a battery pack is to be detachably attached,
the battery pack including a battery-side terminal and a housing, wherein the housing includes a groove defined in a vicinity of the battery-side terminal,
the electrical apparatus comprising:
a body case;
a terminal unit including an apparatus-side terminal corresponding to the battery-side terminal and attached to the body case; and
a hook rotatably attached to the terminal unit and configured to engage with the groove of the battery pack, wherein:
the hook includes a rotatable operation portion configured to be operated by a worker,
the battery pack is fixed to the electrical apparatus by the hook engaging with the groove,
the battery pack further includes a terminal cover configured to be detachably attached to the housing,
the housing includes a first housing surface facing the electrical apparatus and a terminal interface portion recessed inward than the first housing surface,
the terminal interface portion includes the battery-side terminal, the groove and a cover attachment portion for attaching the terminal cover to the terminal interface portion,
wherein under a state where the terminal cover is not attached to the terminal interface portion, the battery pack is fixed to the electrical apparatus by the hook engaging with the groove defined in the terminal interface portion.
9 . The electrical apparatus according to claim 8 , wherein
the terminal interface portion comprises a first interface surface recessed inward than the first housing surface and orthogonal to a sliding direction of the battery pack, and a second interface surface extending in the sliding direction and connecting the first housing surface and the first interface surface,
the cover attachment portion comprises a second protruding portion protruding into the terminal interface portion from the second interface surface, and
the groove is defined between the second protruding portion and the first interface surface.
10 . The electrical apparatus according to claim 8 , wherein the hook is rotatably attached to the terminal unit outside the body case.
11 . The electrical apparatus according to claim 10 , further comprising
a biasing member disposed between the terminal unit and the hook, wherein:
the biasing member is configured to bias the hook from an unlock position to a lock position,
under a state where the hook is positioned in the unlock position, the battery pack is not fixed to the electrical apparatus, and
under a state where the hook is positioned in the lock position, the battery pack is fixed to the electrical apparatus.
12 . The electrical apparatus according to claim 8 , wherein:
the body case comprises an upper wall to which the apparatus-side terminal is attached, a bottom wall, and a standing portion extending upward from the upper wall,
the standing portion includes a rail extending in a sliding direction of the battery pack, and
an upper end of the standing portion is positioned higher than an upper end of the hook.
13 . The electrical apparatus according to claim 12 , wherein
the standing portion is disposed at each side end in a first direction orthogonal to the sliding direction.
14 . The electrical apparatus according to claim 8 , wherein
the electrical apparatus is a charger.
15 . An apparatus system comprising:
a battery pack and an electrical apparatus to which the battery pack is to be detachably attached,
the battery pack comprises:
a battery-side terminal; and
a housing,
wherein the housing includes a groove defined in a vicinity of the battery side terminal,
the electrical apparatus comprises:
a body case;
a terminal unit including an apparatus-side terminal corresponding to the battery-side terminal and attached to the body case; and
a hook rotatably attached to the terminal unit and configured to engage with the groove of the battery pack, wherein:
the hook includes a rotatable operation portion configured to be operated by a worker,
the battery pack is fixed to the electrical apparatus by the hook engaging with the groove,
one of the terminal unit and the hook comprises a protruding portion protruding in an axial direction,
the other of the terminal unit and the book comprises a recess configured to slidably retain the protruding portion, and
the hook is attached to the terminal unit such that the hook is rotatable about an axis of the protruding portion.
16 . The apparatus system according to claim 15 , wherein
the battery pack further comprises:
a terminal cover configured to be detachably attached to the housing,
the housing comprises a first housing surface facing the electrical apparatus and a terminal interface portion recessed inward than the first housing surface, and
the terminal interface portion includes the battery-side terminal, the groove and a cover attachment portion for attaching the terminal cover to the terminal interface portion.
17 . An apparatus system comprising
a battery pack and an electrical apparatus to which the battery pack is to be detachably attached,
the battery pack comprise:
a battery-side terminal; and
a housing,
wherein the housing includes a groove defined in a vicinity of the battery side terminal,
the electrical apparatus comprises:
a body case;
a terminal unit including an apparatus-side terminal corresponding to the battery-side terminal and attached to the body case; and
a book rotatably attached to the terminal unit and configured to engage with the groove of the battery pack, wherein:
the book includes a rotatable operation portion configured to be operated by a worker,
the battery pack is fixed to the electrical apparatus by the hook engaging with the groove,
the battery pack further comprises:
a terminal cover configured to be detachably attached to the housing,
the housing comprises a first housing surface facing the electrical apparatus and a terminal interface portion recessed inward than the first housing surface,
the terminal interface portion includes the battery-side terminal, the groove and a cover attachment portion for attaching the terminal cover to the terminal interface portion,
the terminal interface portion comprises a first interface surface recessed inward than the first housing surface and orthogonal to a sliding direction of the battery pack, and a second interface surface extending in the sliding direction and connecting the first housing surface and the first interface surface,
the cover attachment portion comprises a second protruding portion protruding into the terminal interface portion from the second interface surface, and
the groove is defined between the second protruding portion and the first interface surface.
18 . An electrical apparatus to which a battery pack is to be detachably attached,
the battery pack including a battery-side terminal and a housing, wherein the housing includes a groove defined in a vicinity of the battery-side terminal,
the electrical apparatus comprising:
a body case;
a terminal unit including an apparatus-side terminal corresponding to the battery-side terminal and attached to the body case; and
a hook rotatably attached to the terminal unit and configured to engage with the groove of the battery pack, wherein:
the hook includes a rotatable operation portion configured to be operated by worker,
the battery pack is fixed to the electrical apparatus by the hook engaging with the groove,
the hook further comprises a wall extending in a sliding direction of the battery pack from a first end of the operation portion and at least one engaging portion disposed at a second end of the wall, the first end is an end in a second direction orthogonal to the sliding direction, and the second end is an end in the sliding direction and opposite to the operation portion.
19 . The electrical apparatus according to claim 18 , wherein
the at least one engaging portion includes two engaging portions,
the hook further comprises the two engaging portions,
one of the two engaging portions is disposed at an end in a third direction orthogonal to the sliding direction and the second direction, and the other of the two engaging portions is disposed at an opposite end in the third direction.