1. Field of the Invention
The invention relates to handset devices, and particularly to a handset device with a battery cover.
2. Description of Related Art
Batteries are widely used in portable electronic devices such as personal digital assistants (PDAs) and mobile phones. A battery is removably mounted in a housing of the electronic device. A battery cover is mounted on the housing to protect the battery. When the battery is damaged, dead, or needs to be recharged, the battery cover is removed from the housing so that the battery can be taken out and later replaced.
Typically, a fixing mechanism couples a battery cover with a housing of the portable electronic device. Referring to
Therefore, a heretofore unaddressed need exists in the industry to overcome the described limitations.
In an exemplary embodiment, a handset device includes a housing and battery cover mounted on the housing. The housing includes a front wall, a rear wall, a pair of sidewalls, and at least one bay for accommodating a battery. The front wall, the rear wall and the sidewalls cooperatively surround the bay. The front wall includes at least one first receiving portion including a wedge-shaped first slidable groove, which has a first inclination angle, and a recessed portion communicating with the first slidable groove. The rear wall includes at least one receiving groove. The battery cover includes at least one fastening protrusion corresponding to the first receiving portion and at least one protrusion received in the receiving groove. The at least one fastening protrusion has an inclination angle equal to the first inclination angle and includes a hook located on an end thereof, abutting the recessed portion.
Other advantages and novel features will become more apparent from the following detailed description of preferred embodiments when taken in conjunction with the accompanying drawings.
The housing 20 typically accommodates electronic elements such as printed circuit boards (PCBs), batteries, electronic cards, etc. The housing 10 is generally a frame and comprises a rear wall 22, a front wall 24, and a pair of opposite sidewalls 26. The rear wall 22, the front wall 24, and the sidewalls 26 are mechanically connected, and collectively surround several bays accommodating the electronic elements. In the embodiment, the housing 10 comprises two bays, one accommodating a battery and the other accommodating a subscriber identity module (SIM) card.
In other embodiments, the rear wall 22, the front wall 24, and the sidewalls 26 can be formed together from a single piece with the housing 20 comprising a bay accommodating a battery.
The rear wall 22 comprises a pair of receiving grooves 220 positioned atopposite distal ends thereof. The receiving grooves 220 are symmetrical about a longitudinal central line of the housing 20.
The front wall 24 comprises a pair of first receiving portions 240 positioned at two ends thereof, each adjacent to the sidewall 26. The first receiving portions 240 are symmetrical about the longitudinal central line of the housing 20. Each of the first receiving portions 240 comprises a first slidable groove 242 and a recessed portion 244 communicating with the first slidable groove 242. A bottom of the first slidable groove 242 is angled, such that the first slidable groove 242 is a wedge-shaped groove having a first inclination angle.
Each of the sidewalls 26 comprises a pair of second receiving portions 260 spaced apart from each other and adjacent to the front wall 24 or the rear wall 22. Each of the second receiving portions 260 comprises a second slidable groove 262 and a fixing portion 264 positioned over the second slidable groove 262. A bottom of the second slidable groove 262 is angled, such that the second slidable groove 262 is a wedge-shaped groove having a second inclination angle. The fixing portion 264 comprises a first hook 265 located at an end thereof.
In the embodiment, the first inclination angle of the first slidable groove 242 exceeds the second inclination angle of the second slidable groove 262. The receiving groove 220, the first slidable grooves 242 and the second slidable grooves are designated as grooves.
In other embodiments, each of the sidewalls 26 can only comprise a second receiving portion 260 located at a middle thereof. The front wall 24 can only comprise a first receiving portion 240 located in the middle thereof.
The battery cover 30 is slidably mounted on the housing 20 covering the bays of the housing 20. The battery cover 30 comprises a pair of protrusions 32 corresponding to the receiving grooves 220, a pair of fastening protrusions 34, each having a third inclination angle and corresponding to the first receiving portion 240, and two pairs of L-shaped locking protrusions 36, each having a fourth inclination angle and corresponding to the second receiving portion 260. Each of the protrusions 32 protrudes from the inner surface of a rear end of the battery cover 30. Each of the protrusions 32 is received in the corresponding receiving groove 220 to limit movement of the battery cover 30 longitudinally, horizontally, and vertically.
In the embodiment, the protrusions 32, the fastening protrusions 34, and the locking protrusions 36 are designated as protrusions.
The locking protrusions 36 are symmetrical about a longitudinal central line of the battery cover 20. The locking protrusions 36 each extend from the inner surface of two opposite sides of the battery cover 30 towards the housing 20. Each of the locking protrusions 36 and the inner surface of the battery cover 20 cooperatively surround a bay 360. The fourth inclination angle of the locking protrusions 36 is generally equal to the second inclination angle of the second slidable groove 262. In the embodiment, the locking protrusions 36 are received in the second slidable grooves 262, respectively, and the first hooks 265 of the fixing protrusions abut a bottom of the bay 360, respectively, to limit the movements of the battery cover 30 longitudinally, horizontally, and vertically.
The fastening protrusions 34 are symmetrical about the longitudinal central line of the battery cover 20. Each of the fastening protrusions 34 extends from the inner surface of a front end of the battery cover 30 towards the housing 20. An extending direction of each fastening protrusion 34 is the same as that of each locking protrusion 36. The third inclination angle of the fastening protrusion 34 is generally equal to the first inclination angle of the first slidable groove 242. Each of the fastening protrusions 34 comprises a second hook 340 located at an end thereof. In the embodiment, the fastening protrusions 34 are received in the corresponding first slidable groove 242 with the second hooks 340 abutting the recessed portion 244, respectively, to limit the movements of the battery cover 30 longitudinally, horizontally, and vertically.
In other embodiments, the battery cover 30 can only comprise a pair of locking protrusions each protruding from the inner surface of the side thereof towards the housing 20 and located in a middle of the side. The battery cover 30 can only comprise a fastening protrusion 34 protruding from the inner surface of the front end thereof towards the housing 20.
Referring to
When the battery in the bay of the housing 20 is to be removed, the battery cover 30 is moved in a second direction opposite to the first direction with the protrusions 32 being detached from the receiving grooves 220, respectively, the locking protrusions 36 being detached from the second receiving portions 260, respectively, and the fastening portions 34 being detached from the first receiving portions 240, respectively. As a result, the battery cover 30 can easily be disassembled from the housing 20.
The protrusions of the battery cover 30 and the grooves of the housing 20 function the same as the fixing mechanism of
While embodiments of the present invention have been described above, it should be understood that they have been presented by way of example only and not by way of limitation. Thus, the breadth and scope of the present invention should not be limited by the above-described exemplary embodiments, but should be defined only in accordance with the following claims and their equivalents.
Number | Date | Country | Kind |
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2008 1 0301722 | May 2008 | CN | national |
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Number | Date | Country | |
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20090291722 A1 | Nov 2009 | US |