Abstract: A battery module and a battery pack including the same are provided. The battery module includes a battery cell stack in which a plurality of battery cells including protruded electrode leads are stacked, the battery cell including protruding portions respectively formed at both ends of a lower edge of the battery cell, a module frame that houses the battery cell stack, and busbar frames disposed to a front and a rear of the battery cell stack where the electrode leads are protruded, at least one of the busbar frames including a guide portion extending to a lower surface of the battery cell stack, the guide portion comprising a guide groove into which the protruding portion is inserted, and the guide groove including an adjusting portion of which a width becomes narrower from where the battery cell is positioned to where the busbar frame is positioned.

Abstract: The battery module includes: a battery cell stack in which a plurality of battery cells including electrode leads are stacked; a plurality of bus bars including a first bus bar and a second bus bar that are respectively connected to at least one of the electrode leads; and a safety member that comes into contact with each of the first bus bar and the second bus bar, wherein the safety member includes a first insulating layer located on the first bus bar, a second insulating layer located on the second bus bar, and a conductive layer located on the first insulating layer and the second insulating layer, and wherein the first insulating layer and the second insulating layer include a material that is electrically insulating and is removed in accordance with the rise of temperature.

Abstract: A pouch-shaped battery case (and a pouch-shaped secondary battery including the same) includes a hidden-type gas pocket having a folded configuration such that, when gas is generated in the pouch-shaped case, the gas pocket unfolds to form a space for collecting the gas, whereby it is possible to reduce the extent of swelling of the battery when the gas is generated. The gas pocket may be configured so as not to occupy any space in a normal operating state of the battery, such that the gas pocket is unfolded to form the gas reception space only when the gas is generated, whereby it is possible to improve the efficiency of utilization of space in the battery.

Abstract: A battery module according to the present disclosure includes a first busbar electrically connected to a first electrode lead of a first battery cell, a second busbar electrically connected to a second electrode lead of a second battery cell, a short part which moves to the first busbar and the second busbar and comes into contact with the first busbar and the second busbar by the application of an expansion force caused by volume increase of the first battery cell to electrically connect the first busbar to the second busbar, causing a short, and a cartridge which receives or supports at least part of the first electrode lead, the second electrode lead, the first busbar, the second busbar and the short part.

Abstract: A battery module, including a cell stack having a first battery cell and a second battery cell; a first bus bar connected to the cell stack and having a first polarity; a second bus bar connected to the cell stack and having a second polarity opposite to the first polarity; a short-circuit unit that moves toward the first bus bar and the second bus bar in response to receiving an expanding force caused by a volume increase of the first battery cell and the second battery cell, so that the first bus bar and the second bus bar are electrically connected to generate a short circuit; and a cartridge that at least partially accommodates each of the first bus bar, the second bus bar and the short-circuit unit.

Abstract: A battery module, including a cell stack having a first battery cell and a second battery cell; a first bus bar connected to the cell stack and having a first polarity; a second bus bar connected to the cell stack and having a second polarity opposite to the first polarity; a short-circuit unit that moves toward the first bus bar and the second bus bar in response to receiving an expanding force caused by a volume increase of the first battery cell and the second battery cell, so that the first bus bar and the second bus bar are electrically connected to generate a short circuit; and a cartridge that at least partially accommodates each of the first bus bar, the second bus bar and the short-circuit unit.

Abstract: A battery module including a first bus bar electrically connected to a first electrode lead of a first battery cell; a second bus bar electrically connected to a second electrode lead of a second battery cell; a short-circuit unit moving toward the first bus bar and the second bus bar by receiving an expansive force due to a volume increase of at least one of the first battery cell and the second battery cell to electrically connect the first bus bar to the second bus bar to generate a short circuit; and a cartridge accommodating or supporting at least a portion of the first electrode lead, the second electrode lead, the first bus bar, the second bus bar and the short-circuit unit.

Abstract: A battery module, which includes: a first bus bar electrically connected to a first electrode lead of a first battery cell; a second bus bar electrically connected to a second electrode lead of a second battery cell; a short-circuit unit configured to move toward the first bus bar and the second bus bar by receiving an expansive force due to a volume increase of the first battery cell and another battery cell adjacent to the first battery cell so that the first bus bar and the second bus bar are electrically connected to generate a short circuit; and a cartridge configured to accommodate or support at least a portion of the first electrode lead, the second electrode lead, the first bus bar, the second bus bar and the short-circuit unit.

Abstract: A pouch-shaped battery case (and a pouch-shaped secondary battery including the same) includes a hidden-type gas pocket having a folded configuration such that, when gas is generated in the pouch-shaped case, the gas pocket unfolds to form a space for collecting the gas, whereby it is possible to reduce the extent of swelling of the battery when the gas is generated. The gas pocket may be configured so as not to occupy any space in a normal operating state of the battery, such that the gas pocket is unfolded to form the gas reception space only when the gas is generated, whereby it is possible to improve the efficiency of utilization of space in the battery.

Abstract: A battery module, which includes: a first bus bar electrically connected to a first electrode lead of a first battery cell; a second bus bar electrically connected to a second electrode lead of a second battery cell; a short-circuit unit configured to move toward the first bus bar and the second bus bar by receiving an expansive force due to a volume increase of the first battery cell and another battery cell adjacent to the first battery cell so that the first bus bar and the second bus bar are electrically connected to generate a short circuit; and a cartridge configured to accommodate or support at least a portion of the first electrode lead, the second electrode lead, the first bus bar, the second bus bar and the short-circuit unit.

Abstract: A battery module, including a cell stack having a first battery cell and a second battery cell; a first bus bar connected to the cell stack and having a first polarity; a second bus bar connected to the cell stack and having a second polarity opposite to the first polarity; a short-circuit unit that moves toward the first bus bar and the second bus bar in response to receiving an expanding force caused by a volume increase of the first battery cell and the second battery cell, so that the first bus bar and the second bus bar are electrically connected to generate a short circuit; and a cartridge that at least partially accommodates each of the first bus bar, the second bus bar and the short-circuit unit.

Abstract: A battery module according to the present disclosure includes a first busbar electrically connected to a first electrode lead of a first battery cell, a second busbar electrically connected to a second electrode lead of a second battery cell, a short part which moves to the first busbar and the second busbar and comes into contact with the first busbar and the second busbar by the application of an expansion force caused by volume increase of the first battery cell to electrically connect the first busbar to the second busbar, causing a short, and a cartridge which receives or supports at least part of the first electrode lead, the second electrode lead, the first busbar, the second busbar and the short part.

Abstract: A battery module including a first bus bar electrically connected to a first electrode lead of a first battery cell; a second bus bar electrically connected to a second electrode lead of a second battery cell; a short-circuit unit moving toward the first bus bar and the second bus bar by receiving an expansive force due to a volume increase of at least one of the first battery cell and the second battery cell to electrically connect the first bus bar to the second bus bar to generate a short circuit; and a cartridge accommodating or supporting at least a portion of the first electrode lead, the second electrode lead, the first bus bar, the second bus bar and the short-circuit unit.

Abstract: A device for traversing optical pickup of a disc drive comprises: an optical pickup unit slidably installed at a guide shaft; a lead screw adjacently and parallel installed to the guide shaft; and a feed guide fixed to the optical pickup unit to be engaged with the lead screw using an elastic force of a plate spring.

Abstract: A device for traversing optical pickup of a disc drive comprises: an optical pickup unit slidably installed at a guide shaft; a lead screw adjacently and parallel installed to the guide shaft; and a feed guide fixed to the optical pickup unit to be engaged with the lead screw using an elastic force of a plate spring.

Abstract: An optical disk player simplifies the mechanism of an emergency ejecting device for manually ejecting a tray, and includes a pickup unit which ejects the tray by virtue of the driving power of a pickup motor in a read-in area, without separately using an ejecting driving motor. The optical disk player is provided with a tray ejecting device for ejecting the tray on which a disk is placed by which the feeding power of the pickup motor for driving the pickup unit is converted to the ejecting power when the pickup unit is in the read-in area, and an emergency tray ejecting device for manually ejecting the tray.

Abstract: A deck mechanism for a magnetic recording and reproducing apparatus, wherein its fixed base plate and its slide base are slidably coupled to each other without defining a space therebetween. Elements of a tape traveling system are arranged on upper and lower surfaces of the fixed base plate and the upper surface of the slide base. The upper surface of the fixed base plate is mounted with the head drum, a loading motor, a supply slant post assembly, a take-up slant post assembly, a stabilizer, pinch roller arm-driving and pressing mechanisms, a head cleaning mechanism, a capstan shaft of a capstan, all being upwardly protruded from the upper surface of the fixed base plate. The upper surface of the slide base is mounted with a supply reel table, a take-up reel table, a tension adjusting mechanism, and a brake, all being upwardly protruded from the upper surface of the slide base.

Abstract: A head drum protector for a magnetic recording and reproducing apparatus, such as a slide type camera recorder. The head drum protector is preferably integrated and comprises a head drum protecting wall for protecting a rotary head drum, an opening provided at the lower section of the head drum protecting wall to receive a head base of the rotary head drum and to bring the rotary head protector into engagement with the head base. A pair of support blades extend outwardly from opposite sides of the protecting wall to enlarge the head drum protecting area of the head drum protecting wall and to support an opened tape cassette door. A sensor holder is provided at the lower front of the protecting wall to hold a LED sensor used as a tape end sensor. At a lower section between the protecting wall and the support blade, a fixing part is provided in order to mount the head drum protector on the slide base of the deck mechanism.

Abstract: A brake device for magnetic recording and reproducing apparatus, such as a slide loading type camera recorder. The supply reel brake unit includes a supply reel brake having an operating pin, and a mode switch gear having an operating protrusion pushing the operating pin in a tape running mode, thereby releasing the tape supply reel table. In addition, the supply reel brake unit may comprise a drive cam gear, a supply reel brake cooperating with the drive cam gear to selectively brake the tape supply reel table.