Abstract: Methods and apparatus supporting an electrical connection are disclosed. Systems previously equipped with wire interfaces, such as battery terminals, can be equipped with a connector assembly to significantly reduce a hazard of electrical shock to a user. The connector assembly includes a stress relief component that attenuates a force, applied to the stress relief component, to reduce its effect on the connector assembly. By attenuating the force, the connector assembly maintains a substantially fixed position relative to the battery pack component and mitigates a potential for disruption in electrical connectivity. Techniques disclosed herein benefit users of battery packs or other devices as well as manufacturers by increasing safety, reliability, and ergonomics.

Abstract: A battery cover assembly includes a battery cover (20), a housing (10), and a locking member (30). The battery cover has a receiving hole (16) defined therein. The receiving hole is located proximate one end of the battery cover. The housing has a locking groove (184) defined in one end thereof. The locking member has an operating portion (32) and a latching tab (34). The operating portion is rotatably mounted in the receiving hole of the battery cover. The latching tab extends from one side of the operating portion. The latching tab is configured so as to be releasably lockable in the locking groove of the housing.

Abstract: The type of the attached batteries is determined by decision switch mechanisms. A protruding region is established in the attachment section to provide contact between charging terminals and the electrodes of short batteries. A stepped shelf region is established with the protruding region, and long batteries are mounted inside the attachment section on top of the stepped shelf region. Charging terminals are disposed in electrode alignment surface of the stepped shelf region, and decision switch mechanisms are housed inside the stepped shelf region. A decision switch mechanism is a switch that switches when pressed by the battery electrode of either a long battery or a short battery loaded in the attachment section. The control circuit switches charging current between a first charging current and a second charging current depending on the OFF or ON state of the decision switch mechanisms.

Abstract: A battery latching device is using for accommodating a battery and includes a housing, two opposite latching portions, a resisting portion, and a stopping member. The housing has a bottom wall and configured for accommodating the battery therein. The latching portions are formed on the bottom wall of the housing, and are configured for limiting the two opposite sides of the battery. The resisting portion are formed on the bottom wall of the housing and aligned with one end of the latching portions. The stopping member is retained to the bottom wall of the housing and aligned with another end of the latching portions. The two opposite ends of the battery are hold between the resisting portion and the stopping portion. When detaching the battery from the housing, the stopping member is capable of being pressed toward the bottom wall to release the battery.

Abstract: An electronic apparatus and a battery by which battery inserting and removing operations can be performed smoothly with certainty are disclosed. When a battery is inserted into a battery accommodating chamber, a locking projection of a spring is contacted once with and resiliently deformed outwardly in a widthwise direction by and then slidably moves on an edge portion of a projecting wall. However, when a connector section and an electronic apparatus side connector section are coupled soon, the locking portion of the spring is engaged with a locking recess. In this state, an inclined face of the locking portion displaced to the electronic apparatus side connector section is lockably engaged with a wall face of the locking recess displaced toward the connector section and biases the battery forwardly toward the electronic apparatus side connector section by resilient force of the resilient portion.

Abstract: The electric vehicle includes a battery pack that can be exchanged at a battery exchange station. At the battery exchange station, an at least partially spent battery pack is exchanged for an at least partially charged battery pack. A battery bay is configured to be disposed at an underside of the electric vehicle. The battery bay includes a frame which defines a cavity. The cavity is configured to at least partially receive the battery pack therein. The battery bay comprises at least one latch rotatably pivoted about an axis substantially parallel with a plane formed by the underside of the vehicle. The latch is configured to lift, retain the battery pack at least partially within the cavity.

Abstract: A battery pack system may include a battery pack and a battery pack holder. The battery pack holder receives the battery pack and couples a battery pack terminal to a load associated with the battery pack holder. The battery pack includes an operation handle external to a battery pack housing. The operation handle is coupled to an operation member via an operation shaft that passes through the housing. A safety circuit of the battery pack couples power supplied by a battery to battery pack terminals based upon position of the operation handle. An operation member of the battery pack extends a locking member into an opening of the battery pack holder when the operation handle is in the engaged position, and retracts the locking member from the opening when the operation handle is in the disengaged position.

Abstract: The present invention provides a battery pack which is capable of enhancing a short-circuit prevention effect, and electronic equipment using this battery pack. The battery pack 31 has a battery built in the case 32 and an output terminal 47 which is electrically connected to the battery and provided in such a manner as directed towards the outside of the case 32. The battery pack 31 has an output section 34 that is provided in orthogonal to a virtual plane including a mount reference plane for the electronic equipment (under surface 33B) of the case 32, with a space between the virtual plane and the output section 34 . The output section 34 is provided with an output terminal 47.

Abstract: A beam member is fixed to a side member of a vehicle body. The side member is provided with a nut member and a reinforcing member. A bolt is inserted into the nut member from under the side member. The reinforcing member includes first and second plate portions. The first plate portion includes a pair of flanges that are bent individually at bent portions. The respective positions of the bent portions are adjusted depending on a distance between sidewalls of the side member. The flanges are welded to the sidewalls. The second plate portion includes a base portion welded to the lower end of the nut member and an upright portion extending along the nut member.

Abstract: A pronounced heat-diffusing action for a battery pack, which has a plurality of battery cells (2) located in a housing (1), is created by shaping the wall of the housing (1) surrounding the battery cells (2) such that this wall forms at least one duct (3, 4) for a heat-diffusing medium, which duct is closed off from the interior of the housing (1).

Abstract: In the battery pack, a battery holder accommodates a plurality of cylindrical batteries disposed in a matrix or offset arrangement in a mutually parallel posture. The battery holder includes a holder main body and an end plate respectively connected to opposite ends of the holder main body having a plurality of opposed walls disposed in a mutually parallel posture inside peripheral walls, and also having a storage portion accommodating the cylindrical batteries between the opposed walls. The opposed wall is provided, on its opposite faces, with a protrusion projecting toward the swale between the adjacent cylindrical batteries to constitute a thick portion defining a through-hole extending through in the longitudinal direction of the cylindrical battery. A connection rod is inserted in the through-hole defined in the above-mentioned thick portion, and the end plate is secured to the opposite ends of the holder main body by means of the connection rod.

Abstract: A battery housing portion S includes regulating members 30 adapted to fit grooves of a battery pack having a T-shape cross section, so that the battery pack can be housed in the battery housing portion S in the state that the both regulating members 30 fit the grooves. The regulating members 30 regulate housing orientation of the battery pack 20, so that misjudgment about orientation of the battery pack 20 is prevented. In addition, if the orientation has been misjudged, an operator can notice such misjudgment immediately, thereby improving the operability during mounting the battery pack 20.

Abstract: The present invention provides a battery pack which is capable of enhancing a short-circuit prevention effect, and electronic equipment using this battery pack. The battery pack 31 has a battery built in the case 32 and an output terminal 47 which is electrically connected to the battery and provided in such a manner as directed towards the outside of the case 32. The battery pack 31 has an output section 34 that is provided in orthogonal to a virtual plane including a mount reference plane for the electronic equipment (under surface 33B) of the case 32, with a space between the virtual plane and the output section 34 The output section 34 is provided with an output terminal 47.

Abstract: A process for controlling temperature of a battery pack includes operating a fan to change a battery temperature to an optimal range of temperature (Topt) when a condition is satisfied that the battery temperature is equal to or greater than a maximum acceptable temperature (Tmax) or when the battery temperature is equal to or less than a minimum acceptable temperature (Tmin) and, at the same time, when the difference between a battery temperature (Tbat) and an air temperature (Tair) of air is equal to or greater than a critical temperature (Tcrt), and operating the fan to change the battery temperature to an optimal range of temperature variation (Topt1) of each unit cell when the battery temperature does not satisfy the condition, and a temperature variation (Tvar) of each unit cell is equal to or greater than a predetermined critical temperature (Tcrt1).

Abstract: A battery cover assembly (100) includes a battery cover (30), a resilient member (20), and a locking member (40). The battery cover has a latching member configured for engaging with the fastener mechanism of a housing (10), and an insertion hole (322) configured for the insertion of a latching post (120) of the housing. The resilient member is mounted on the battery cover, and has a first latching end (202) and a second latching end (204). The first latching end is secured on the battery cover. The locking member is rotatably attached on the battery cover and configured for resisting the latching post when the battery cover is in the closed position thereby preventing movement of the battery cover toward the opened position. The second latching end of the resilient member is fixed on the locking member.

Abstract: The present invention provides a battery pack which is capable of enhancing a short-circuit prevention effect, and electronic equipment using this battery pack. The battery pack 31 has a battery built in the case 32 and an output terminal 47 which is electrically connected to the battery and provided in such a manner as directed towards the outside of the case 32. The battery pack 31 has an output section 34 that is provided in orthogonal to a virtual plane including a mount reference plane for the electronic equipment (under surface 33B) of the case 32, with a space between the virtual plane and the output section 34. The output section 34 is provided with an output terminal 47.

Abstract: The present invention relates a battery case having retaining function, comprises: a case member composed by a bottom wall, two lateral walls, a front wall and a rear wall so as to form a quadrangular space; an electrode sheet set composed by at least one negative terminal and at least one positive terminal, the positive and the negative terminals are oppositely and respectively provided on the inner sides of the two lateral walls according to the circuit layout, wherein one of the negative terminals and one of the positive terminals are respectively connected to a connecting wire which is exposed outside of the case member; a retaining structure composed by two connecting tenons, a neck section is respectively formed between each of the connecting tenons and the corresponding lateral wall, and the free end of each of the neck sections is provided with a mounting section with a size larger and wider than the neck section for being rapidly combined and retained on an object to be retained.

Abstract: A liquid absorbing sheet has a liquid-absorbing resin layer that can effectively absorb the nonaqueous electrolyte solution used in nonaqueous electrolyte secondary cells that make nonaqueous electrolyte battery packs (in particular, lithium ion-based nonaqueous secondary battery packs). The liquid-absorbing resin layer is obtained by irradiating a particular monomer composition with UV rays or other energy rays to polymerize the monomer composition. The monomer composition contains a monofunctional monomer component (A) having a polyethylene glycol acrylate monomer and an amide bond-containing acrylic monomer; and a polyfunctional monomer component (B).

Abstract: An electronic equipment, comprising: a battery receiving chamber for receiving a battery, a battery lid arranged to be rotatable to open and close an opening portion of the battery receiving chamber, a locking member arranged to engage with the battery receiving chamber to lock the battery lid so that the opening portion of the battery receiving chamber is closed, a contact terminal connectable to a terminal of the battery received in the battery receiving chamber, the contact terminal being arranged to be build in the battery lid movably in a thickness direction of the battery lid, wherein the contact terminal is arranged to protrude into the inside of the battery lid in accordance with the locking member engaging with the battery receiving chamber with the battery lid is closed and the contact terminal is retracted into the battery lid in accordance with the locking member being released from engagement with the battery receiving chamber.

Abstract: Battery packs are retained by frames which are comprised of plastic beams and aluminum corner connectors that peripherally surround the battery packs. The plastic beams are tensioned by tensioning bolts which pass through the aluminum corner connectors and thread into threaded pin inserts laterally seated in the beams. As the tensioning bolts are advanced into the inserts the beams are axially tensioned. Damping pads are disposed between the separate battery modules of the battery packs, as well as at the corners of the frames, to both absorb vibrational and spike impacts. The damping pads frictionally engage the outer surfaces of the battery cases so that the batteries will not move in the Z-axis direction.

Abstract: Disclosed herein is a medium- or large-sized battery pack having a plurality of unit cells. The battery pack includes a safety device (fire-extinguishing safety device) for spraying a material to prevent or restrain the fire or the explosion of the battery pack when the temperature of the battery pack exceeds the critical temperature level threatening the safety of the battery pack. The fire-extinguishing safety device according to the present invention has the effect of securing the safety of the battery pack when the temperature or the voltage is abruptly increased entirely or partially in the battery pack due to various causes, such as a breakdown of a safety system, and it is not possible to control the battery pack only by an operation control system.

Abstract: A locking mechanism of a battery pack A is provided with a hook 14 which can be locked to a mounting part B of an object equipment such as an electric tool in a state slid with respect to the mounting part, and operation parts 16 for releasing the lock which are linked to the hook 14, on a case which contains a battery. The hook 14 is urged to move upward by an elastic body in a direction of being locked to the mounting part B. The operation parts 16 are arranged in both side parts of the case within such a range that they can be grasped with a single hand from both sides of a backward end in the sliding direction of the case. When the operation parts 16 are operated from the both sides, the lock between the hook 14 and the mounting part B is released against the urge by the elastic body.

Abstract: Disclosed herein is a battery pack including: a plurality of cylindrical battery cells arranged in at least two rows and a plurality of layers; and a partition member for partitioning the battery cells; wherein the partition member includes a partition plate and support plates; the battery cells in the state of being partitioned by the support plates have terminals on one side being fixed substantially in parallel to the partition plate by an electrode tab or tabs, and have terminals on the other side in at least one layer being fixed substantially in parallel to the partition plate by an electrode tab or tabs; and the support plates for clamping the battery cell of which the terminal on the other side is fixed by the electrode tab are formed respectively with projected pieces.

Abstract: Secondary battery structure 100 has secondary batteries 110 equipped with metallic battery cases 111 , temperature detectors 120 for detecting temperature of the secondary batteries 110 , and supporting members 130 for supporting the temperature detectors 120 . Each of the temperature detectors 120 has a detector body 121 which detects surface temperature of the battery case 111 by contacting with a bottom surface 111c (temperature-detected surface) on the battery case 111, and a fixing portion 122 which engages with the supporting member 130 and fixes the temperature detector 120 to the secondary battery 110 while keeping the detector body 121 contact with the bottom surface 111c on the battery case 111.

Abstract: Disclosed is a battery pack having a case in which a groove is formed near a pin point gate part so as to prevent formation of a crack in the case caused by external impact. The groove distributes stress caused by external impact. By preventing the formation of a crack, an electrolyte leaking out of a bare cell is prevented from flowing into a notebook computer through the crack. The battery pack includes at least one bare cell, a circuit board electrically coupled to the bare cell and a case formed so as to receive the bare cell and the circuit board. The case includes pin point gates formed in the front of the case during an injection molding process and grooves formed near the pin point gates.

Abstract: A thermally managed enclosure for batteries in a motor vehicle or other machinery includes a cradle of thermally conductive material for containing a battery. The cradle having a bottom wall and side walls closely fitted to and in contact with the battery, to maintain the battery in a stable position. The bottom wall of the cradle has a passageway trough containing a tube for flowing heating or cooling fluid therethrough, to control the optimal operating temperature of the battery. The passageway trough is preferably filled with a thermally conductive fill surrounding said tube. When two or more batteries are required, an array of adjacent cradles are provided in a monocoque tray formed by bonding or welding the multiple cradles at their adjacent sides.

Abstract: An electronic containment battery includes a battery section and an electronic section that together form a standard battery form factor that allows insertion into conventional electronic devices. The electronic section can include Radio Frequency (RF) circuitry that enables electronic operations in the electronic containment battery to be communicated or controlled wirelessly.

Abstract: Disclosed is a removable battery pack for use with a vacuum cleaner, for use with a recharging station. The battery pack is used to power a vacuum, and when discharged can be removed and replaced with another charged battery pack.

Abstract: A wireless microphone includes a tubular housing having top and bottom open ends. The housing has an outer surrounding wall and an inner partition wall. The inner partition wall cooperates with an upper portion of the outer surrounding wall so as to define a battery-receiving space. A battery module is received in the battery-receiving space. A head unit is mounted on the top open end of the housing, and covers the battery module. A positioning unit is disposed at an outer surrounding surface of the battery module and an inner surrounding surface of the outer surrounding wall of the housing for positioning the battery module in the battery-receiving space.

Abstract: Hearing aid or similar device, where the device comprises at least one structural part whereto two or more spaced apart electronic components are fastened and where electric leads interconnects the electronic components and where the electric leads are provided on the surface of the structural part of the hearing aid.

Abstract: A fuel cell having a structure capable of certainly supplying a gas by making effective use of a limited space while ensuring the portability of the fuel cell is provided. The fuel cell includes two generators, a fuel supply portion, and two planar current collectors. Each of the generators has a proton conductor film, and a planar hydrogen side electrode and a planar oxygen side electrode disposed with the proton conductor film held therebetween. The fuel supply portion is adapted to supply a fuel to the hydrogen side electrodes of the generators. The planar current collectors, which are disposed in close-contact with the oxygen side electrodes of the generators, have gas transmission portions such as opening portions allowing the oxygen side electrodes to be opened to atmosphere. Since the oxygen side electrodes are opened to atmosphere, oxygen can be supplied to the generators without lowering a partial pressure of oxygen in air.

Abstract: A sound generating device is mounted in a recess formed in a case, and a battery is mounted on the case. A pair of terminals are provided on the underside of the case. A pair of leads connect a pair of electrodes of the battery with the terminals.

Abstract: A battery and adapter system includes a first battery adapter and a second battery adapter. The first battery adapter may be coupled to a storage battery, and a second battery adapter may be coupled to the first battery adapter. The first and second battery adapters may include features or elements that allow attachment to another battery adapter and to a storage battery.

Abstract: An electronic apparatus has a first attachment portion to which a first component can be attached to the front of the apparatus body, and a second attachment portion which has a substantially same construction as the first attachment portion and to which a second component can be attached to the rear of the apparatus body. Thus, the first component and the second component can be attached the electronic apparatus to thereby improve the performance of the electronic apparatus. When the first and second components are battery packs, two battery packs of the same shape can be attached to the electronic apparatus.

Abstract: A plurality of secondary batteries are connected either one of in series or in parallel with metal plates, and are joined by connection plates to form a unit with spacing provided between the secondary batteries disposed in parallel. Also, when arranging an odd number of the secondary batteries, an arrangement is also possible where a connection plate at an end point of an even number of the secondary batteries is joined to the remaining battery so that the secondary batteries can be arranged in a different shape. The spacing improves the heat radiation capability of the secondary batteries, and a pressing force is prevented from being applied to the secondary batteries by forming supporting struts in the spacing.

Abstract: A mobile phone battery includes a cover being provided at a predetermined position with an opening, positive and negative contacts located behind the cover and accessible via the opening of the cover for electrically connecting to a rectangular dry cell, and step-down means provided at an inner side of the cover and having a power output electrically connected to a power input of the mobile phone battery. An emergency charging of the mobile phone battery is possible simply by attaching a rectangular dry cell to the positive and the negative contacts of the mobile phone battery without using other battery charger.

Abstract: An electronic device, for example a smoke alarm, that includes a battery carrier that includes a push to open and push to close apparatus for opening and closing the carrier. In one embodiment, the carrier is mounted so as to be pivotable between a closed position and an open position. Pivoting movement of the carrier is controlled by a double acting latch mechanism that includes at least one heart-shaped cam groove and at least one cam follower engaging with the cam groove. The carrier is a simple to access and operate to facilitate replacement of the battery. A lockout mechanism can also be provided to prevent closure of the carrier without a battery installed. In addition, a tamper resist mechanism can be provided to prevent the carrier from being opened when the carrier is at the closed position.

Abstract: A flash apparatus operates on power supplied from internal batteries and an external battery in an auxiliary battery apparatus. A battery check is executed by detecting the charge speed at which a main capacitor is charged and comparing the charge speed with a threshold value. The threshold value is set higher when the auxiliary battery apparatus is mounted than the threshold value set when the auxiliary battery apparatus is not mounted. Thus, an accurate battery check reflecting the presence/absence of the auxiliary battery apparatus can be achieved.

Abstract: A battery pack is disclosed. The battery pack includes a housing, and a rechargeable power source within a linear portion the housing. The linear portion of the housing is receivable in first and second battery holding regions of another housing. The first and second battery holding regions are aligned along the same axis.

Abstract: An information processing unit and batteries which can be carried with ease even if the batteries have been attached. Includes a main body division for executing given information processing; a first battery division which is attached to the first surface on the rear side of the main body division and is standing out from a second surface adjoining the first surface of the main body division; and a second battery division which is held onto an edge portion on the side of the first battery division which the edge portion stands out from the second surface, such that it can rotate freely in a direction to approach the main body division and also in the reverse direction to depart from the main body division, and one surface of the second battery hits the second surface when rotated in the direction to approach the main body division.

Abstract: A housing (2) for an electronic control unit for use aboard a bicycle and a battery container (3) for powering electrical devices fitted aboard, are provided with quick coupling means (6, 10), that, when coupled, also provide the electrical connection between the batteries and the control unit.

Abstract: A storage battery includes a housing, a groove portion formed on one end surface of the housing, a pair of electrode terminals formed on one end surface of the groove portion, and an engaging concave portion formed in the vicinity of the other end surface on the upper surface of the housing. A battery housing portion includes a housing concave portion capable of housing the storage battery, a pair of connection terminals formed on one inner wall of the housing concave portion to be connected to the electrode terminals of the storage battery, a convex portion formed in a protruded manner at a position corresponding to the groove portion on the one inner wall, and an engaging protrusion portion formed in a protruded manner at a position corresponding to the engaging concave portion on the other inner wall of the housing concave portion.

Abstract: A closed type battery case having a lower base, an upper lid, and a battery plate device. The upper lid is slidably connected to the lower base. At least a separator is disposed in the lower base parallel to the lateral walls. The battery plate device has at least a positive-negative plate, a negative plate and a positive plate being attached to the separator and the lower base so as to be located in place in accordance with the principle of series circuit. A base chamber is formed between a front wall of the lower base and the battery plate device and provided with a chamber hole. An output terminal is connect with the positive-negative plate of the battery plate device and received in the base chamber, and an input end of an electronic produce is connected to the output terminal through the chamber hole for the power supply.

Abstract: A compartment interchangeably holds either a battery or a fuel cartridge for powering a portable electronic device. The compartment includes electrical contacts to access energy stored in a battery. The compartment further includes a fuel port to access fuel stored in a fuel cartridge. Either of the battery or the fuel cartridge may be installed in the compartment. A portable electronic device, which is powered interchangeably by either a battery or a fuel cell, includes the compartment. A method of powering the portable electronic device includes installing either a battery or a fuel cartridge into a compartment that interchangeably holds the battery and the fuel cartridge, and powering the device using energy stored in the respectively installed battery or energy stored in fuel contained in the respectively installed fuel cartridge.

Abstract: A battery replacement system and method for electronic devices which does not require a back-up battery or storage capacitor. A battery is placed within a tunnel formed in the electronic device. The tunnel has an input opening and an output opening. During use, the battery resides within the tunnel where it makes electrical contact with the power terminals of the device. When the battery is exhausted and needs to be replaced, a new battery is introduced into the tunnel via the input opening. As the new battery enters the tunnel, it makes electrical contact with the power terminals, while at the same time serving to push the exhausted battery out the output opening of the tunnel. The tunnel is configured such that the new battery makes electrical contact with the power terminals before the exhausted battery loses contact with the terminals. In this way, there is no interruption in power being supplied to the electronic device.

Abstract: A battery holder comprises first and second caps and a cylindrical socket. The socket forms two spaces therein separated by an abutment midway of the socket and each opening at one end of the socket. Each space holds a battery with the central pole contact thereof positioned at the end of the socket. The socket is positioned selectively with one battery or the other engaging the contacts located at the first cap. Clamping means holds the caps together with the socket there between. The socket forms an outside circumferential groove at each end thereof and in each groove forms at least one slot through the cylindrical wall of the socket, extending over a minor part of the circumferential length of the groove. An elastic O-ring is received in each groove forming a straight portion extending through the slot inside the socket.

Abstract: A battery housing for medical scooter includes a movable base provided with at least two battery compartments for each receiving a battery therein, an electrode contact provided at the bottom of each battery compartment to electrically connect to a positive or a negative electrode of the battery in the same compartment, and an electricity chamber for accommodating a charger and a power cord that could be easily pulled out to connect to an external AC power source for the charger to recharge the batteries. Two elastic conductive plates are provided below the battery compartments to contact with the electrode contacts, so that power could be supplied from the batteries to positive and negative power supply wires of the cart connected to the conductive plates. Drain holes are provided below the elastic conductive plates to protect the battery housing from damage due to accumulated water on the medical scooter.

Abstract: This invention includes a battery pack having an environmental sensor. The battery pack can be coupled to an electronic communications device like a cellular telephone. The battery pack transmits an electronic signal corresponding to the environmental conditions through mating contacts to the electronic communications device so that it may display the information to a user. Alternatively, the display screen can be integrated into the battery pack such that the battery pack itself is an environmental sensor. The types of environmental sensors that may be used include ambient temperature, humidity, barometric pressure, smoke detectors, and pollen detectors. This invention also includes a system for measuring the ambient temperature with an electronic communication device that is an improvement over U.S. Pat. No. 5,603,101, in that the temperature sensor is disposed in the battery pack where the rechargeable cell can serve as an insulator from the heat generated by the electronic host device.

Abstract: A cordless drive assembly for driving various orthopedic surgical instruments is described. The drive assembly is battery powered and includes tracks in the handle portion of its housing for receiving the battery. A latch locks the battery to the housing. A combination of a rechargeable, detachable battery system and a power tool. The battery slides onto the power tool through a complementary groove and flange structure.

Abstract: A cordless drive assembly for driving various orthopedic surgical instruments is described. The drive assembly is battery powered and includes tracks in the handle portion of its housing for receiving the battery. A latch locks the battery to the housing. A combination of a rechargeable, detachable battery system and a power tool. The battery slides onto the power tool through a complementary groove and flange structure.