Abstract: According to one embodiment, a battery unit comprises a plurality of cells and a case to contain the cells. The case includes a first part to contain at least one cell, a second part to contain at least one cell, and a third part to connect the first and second parts. At least a portion of the third part is made thinner than the first and second parts.

Abstract: An electronic apparatus includes a main body containing an electronic component. The main body includes a receptacle in which a functional component is detachably received therein, and a label indicating that the electronic apparatus provided with the electronic component is certified. The label is exposed to the outside of the main body through the receptacle when the functional component is detached from the receptacle.

Abstract: A portable computer as an example of an electronic apparatus has a main unit, and a cover member placed on the upper surface of the main unit. The main unit has a housing. A component mounting part is formed on the upper surface of the housing. The component mounting part is covered with the cover member. The cover member has a sliding-type first cover, and a fitting-type second cover. The first cover is placed on a first area of the component mounting part. The first cover has a lock portion, which is slid in the width direction of the housing, and engages with the housing. The second cover is placed on a second area of the component mounting part not covered with the first cover. The second cover is fit to the housing from the upper side of the component mounting part.

Abstract: According to one embodiment, an electronic apparatus with a keyboard coupled to a cable, comprises a housing including a wall on which the keyboard is mounted, the wall including an opening, a circuit board which is accommodated inside the housing, and to which the cable is coupled through the opening, a sheet which is arranged between the wall and the keyboard, and which covers the opening, the sheet including a cable insertion portion through which the cable is inserted.

Abstract: An electronic apparatus includes a cover, a rib, an elastic member, and a mask. A non-display surface of a display device is covered with the cover. The cover has a bottom wall and an side wall. The rib is disposed between a side portion of the display device and the side wall of the cover so as to be located in a position separate from the side wall. The rib rise out of the bottom wall of the cover. The elastic members is attached to at least one of an inner surface of the bottom wall and an inner surface of the rib facing the side portion of the display device. The elastic members retain the display device. The mask is fixed to the cover while exposing a display surface of the display device.

Abstract: An electronic apparatus includes a housing having a mounting portion, an input device provided at the mounting portion, and a reinforcing plate configured to reinforce the mounting portion. The reinforcing plate has a frame and coupling portions surrounded by the frame. The coupling portions pass through a center of gravity of the reinforcing plate. A plurality of opening portions are provided between the frame and the coupling portions.

Abstract: An electronic apparatus includes a housing having a mounting portion, an input device provided at the mounting portion, and a reinforcing plate configured to reinforce the mounting portion. The reinforcing plate has a frame and coupling portions surrounded by the frame. The coupling portions pass through a center of gravity of the reinforcing plate. A plurality of opening portions are provided between the frame and the coupling portions.

Abstract: A portable electronic device comprises a main body comprising a keyboard provided on a surface thereof and incorporating a content recording section, a display comprising a display surface facing to the keyboard and rotatably mounted on the main body, and an operating button which controls reproduction of contents stored in the content recording section and is provided at a portion on the surface of the body which is not covered by the display even if the display is closed.

Abstract: An electronic apparatus includes a main body containing an electronic component. The main body includes a receptacle in which a functional component is detachably received therein, and a label indicating that the electronic apparatus provided with the electronic component is certified. The label is exposed to the outside of the main body through the receptacle when the functional component is detached from the receptacle.

Abstract: The portable electronic apparatus has a box-like casing having a peripheral wall, and a pack receptacle defined within the casing. The pack receptacle has an opening portion opened in the peripheral wall. A packaged functional component is stored in the pack receptacle, such that the functional component can be detached therefrom through the opening portion. The pack receptacle of the casing is provided with a locking member for holding the functional component. The locking member is movable by manual operation between a locked position where the locking member is hooked on the functional component and a lock-released position where the locking member leaves the functional component. The pack receptacle is provided with a spring for energizing the functional component in the direction in which the functional component is pushed out through the opening portion. The opening portion of the casing and the locking member are covered with a detachable cover.

Abstract: A portable electronic device comprises a main body comprising a keyboard provided on a surface thereof and incorporating a content recording section, a display comprising a display surface facing to the keyboard and rotatably mounted on the main body, and an operating button which controls reproduction of contents stored in the content recording section and is provided at a portion on the surface of the body which is not covered by the display even if the display is closed.

Abstract: An apparatus body of a personal computer is provided with a card loading portion and a floppy disc drive. The card loading portion includes a card slot, opening in a side wall of the apparatus body and capable of receiving a card-type electronic component, and a push-type eject lever located side by side with the card slot on the side wall of the apparatus body. A front panel of the floppy disc drive is located in contact with the card loading portion and constitutes a part of the side wall. The front panel is formed having a recess, which is located side by side with the eject lever on the front panel and used in ejecting the eject lever.

Abstract: A housing of a personal computer is provided with a pack holding portion for alternatively holding a CD-ROM drive or a floppy disk drive. The pack holding portion is defined by a recess opening in the bottom and side walls of the housing, and a loading port of an optional part holding portion for holding an expansion memory, opens in a base plate of the pack holding portion. The loading port is closed by a removable metallic cover.

Abstract: The portable electronic apparatus has a box-like casing having a peripheral wall, and a pack receptacle defined within the casing. The pack receptacle has an opening portion opened in the peripheral wall. A packaged functional component is stored in the pack receptacle, such that the functional component can be detached therefrom through the opening portion. The pack receptacle of the casing is provided with a locking member for holding the functional component. The locking member is movable by manual operation between a locked position where the locking member is hooked on the functional component and a lock-released position where the locking member leaves the functional component. The pack receptacle is provided with a spring for energizing the functional component in the direction in which the functional component is pushed out through the opening portion. The opening portion of the casing and the locking member are covered with a detachable cover.

Abstract: The housing of a portable computer has a pack storing section for storing a pack shaped device. First ventilation holes for keeping the inside of the housing in communication with the inside of the pack storing section are formed in an inner wall of the housing defining the pack storing section. The pack shaped device is provided with air intake holes open to the outer surface of the device, second ventilation holes respectively arranged to face the corresponding first ventilation holes, and an air flow path for keeping the suction holes and the second ventilation holes in communication with each other. As a fan arranged in the housing to oppose an exhaust port of the housing is rotated, fresh air is introduced into the pack shaped device through the air intake holes and further into the housing through the air flow path and the first and second ventilation holes.

Abstract: The portable electronic apparatus has a box-like casing having a peripheral wall, and a pack receptacle defined within the casing. The pack receptacle has an opening portion opened in the peripheral wall. A packaged functional component is stored in the pack receptacle, such that the functional component can be detached therefrom through the opening portion. The pack receptacle of the casing is provided with a locking member for holding the functional component. The locking member is movable by manual operation between a locked position where the locking member is hooked on the functional component and a lock-released position where the locking member leaves the functional component. The pack receptacle is provided with a spring for energizing the functional component in the direction in which the functional component is pushed out through the opening portion. The opening portion of the casing and the locking member are covered with a detachable cover.

Abstract: A personal computer has a casing that includes a bottom wall formed having fitting holes and a rear wall provided with a first expansion connector. An expansion adapter to which the computer is connected includes a carrying surface, on which the casing is detachably mounted, and a first relay connector connectable with the first expansion connector of the casing placed on the carrying surface. Arranged on the carrying surface are guide rails that guide the casing in movement along the directions of connection and disconnection of the connectors. The expansion adapter includes locking members, which are swingable between a locking position in which they project from the carrying surface and an unlocking position in which they are situated below the carrying surface.

Abstract: A personal computer has a casing that includes a rear wall formed having an aperture, and a first expansion connector is located in the casing so as to face the aperture. A connector cover for opening and closing the aperture is swingably provided on the rear wall of the casing. An expansion adapter to which the computer is connected includes a carrying surface, on which the casing is detachably mounted, and a first relay connector located adjacent to the carrying surface and connectable with the first expansion connector. Provided on the carrying surface is a pushing projection that engages the connector cover, thereby causing it to swing to an open position, when the casing placed on the carrying surface is moved toward the first relay connector.

Abstract: A power transmission for driving a vehicle wherein a high-low speed changer is disposed between an engine and a primary speed change mechanism. The speed changer comprises a planetary gear mechanism provided between an input shaft and an output shaft, a speed increasing clutch for causing the gear mechanism to effect a speed increase, and a direct coupling clutch for coupling the input shaft to the output shaft via the gear mechanism without speed change. Since the torque transmitted to the speed change mechanism is small, the transmission can be compact in its entirety.

Abstract: A transmission for a tractor comprising a propelling line for transmitting an engine output to drive wheels, and a power takeoff line for transmitting the engine output to a working implement attached to the tractor. The transmission further comprises a torque converter including a casing connected to an engine output shaft and an input shaft of the propelling line, and a turbine liner and a lockup clutch connected to an input shaft of the power takeoff line. The propelling line includes a first hydraulic clutch for transmitting the engine output in forward rotation and a second hydraulic clutch for transmitting the engine output in backward rotation, engine output transmission through the propelling line being broken when the first and second hydraulic clutches are disengaged. The power takeoff line includes a power takeoff hydraulic clutch, and a power takeoff gear disposed upstream of the hydraulic clutch for driving hydraulic pumps attached to a transmission case.