STYLUS EJECTING MECHANISM FOR PORTABLE ELECTRONIC DEVICE
A stylus ejecting mechanism includes a housing, a control mechanism, a driving mechanism and a stylus. The housing defines a cavity and forming a latching portion. The control mechanism includes a button, the button forms a projection, the button engaging with the latching portion. The stylus is received in the cavity, the stylus defines a groove. The projection is engaged in the groove for releasably locking the stylus, and the driving mechanism is positioned at one end of the stylus for ejecting the stylus from the cavity of the housing.
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1. Technical Field
The present disclosure relates to stylus ejecting mechanisms, and more particularly to a stylus ejecting mechanism for portable electronic device (e.g., mobile phones).
2. Description of Related Art
With the recent development of the technology of information processing, portable electronic devices such as mobile phones and personal digital assistants (PDAs) are now in widespread use. The portable electronic device generally has a large screen and the screen is typically pressure-sensitive. A stylus is used as an input device for writing, marking, or engraving on the pressure-sensitive screen.
In some electronic devices, the stylus is mounted to/into a housing of a given electronic device. The housing of the electronic device has a deep hole defined, e.g., in one sidewall thereof. An extending direction of the hole is substantially parallel to the sidewall. The stylus is substantially a thin and long pole. The stylus is received in the hole of the housing by friction therebetween and may be pulled out manually from the hole. However, the stylus may not easily be pulled out when the friction between the stylus and the housing is very large.
Therefore, there is room for improvement within the art.
Many aspects of the embodiments can be better understood with references to the following drawings. The components in the drawings are not necessarily drawn to scale, the emphasis instead being placed upon clearly illustrating the principles of the present stylus ejecting mechanism for portable electronic device. Moreover, in the drawings, like reference numerals designate corresponding parts throughout the several views, in which:
Referring to
The stylus 30 is substantially a thin and long pole. The stylus 30 is received in the cavity 15 of the housing 10. The stylus 30 defines a ring groove 31 at a peripheral wall thereof. The stylus 30 may be engaged in the receiving hole 172.
The driving mechanism 60 includes a block 61 and a driving spring 62. The block 61 and the driving spring 62 are received in the second receiving space 152 for providing an elastic force for the stylus 30.
The control mechanism 70 includes a button 71 and a compressible spring 72. The button 71 includes a head portion 711, a main body 712 and two hooks 714. The head portion 711 is to be received in the button hole 121. The shape and size of the main body 712 corresponds to that of the button space 174 between the stopper plate 171. The hooks 714 extend from one end of the main body 712 far away from the head portion 711. The main body 712 has a through hole 713 defined in a peripheral wall 7130. The through hole 713 is aligned with the receiving hole 172 when the button 71 is received in the button space 174. Referring to
Referring to
In use, the user may press the button 71. The main body 712 presses the compressible spring 72, and the projection 715 breaks away from the ring groove 31. The driving spring 62 pushes the stylus 30 to automatically eject from the cavity 15 and functions as an input device for writing, marking, or engraving on a pressure-sensitive screen of the housing 10.
It is believed that the present embodiments and their advantages will be understood from the foregoing description, and it will be apparent that different changes may be made thereto without departing from the spirit and scope of the invention or sacrificing all of its material advantages, the examples hereinbefore described merely being preferred or exemplary embodiments of the invention.
Claims
1. A stylus ejecting mechanism comprising:
- a housing defining a cavity and forming a latching portion;
- a control mechanism including a button, the button forming a projection, the button engaging with the latching portion;
- a driving mechanism; and
- a stylus received in the cavity, the stylus defining a groove, the projection being engaged in the groove for releasably locking the stylus, the driving mechanism positioned at one end of the stylus for ejecting the stylus from the cavity of the housing.
2. The stylus ejecting mechanism of claim 1, wherein the housing including a divisional plate, the latching portion includes a protruding plate and two spaced stopper plates, the protruding plate and the stopper plates are respectively formed at two sides of the divisional plate.
3. The stylus ejecting mechanism of claim 2, wherein each stopper plate defines a receiving hole, and includes a distal end, the two distal ends communicate with the divisional plate, the button includes two hooks for latching the distal ends of the stopper plate.
4. The stylus ejecting mechanism of claim 2, wherein the two stopper plates defines a button space for receiving the button and communicating with a slot.
5. The stylus ejecting mechanism of claim 1, wherein the button includes a head portion and a main body, the main body defines a through hole defined by a peripheral wall, the peripheral wall forms the projection.
6. The stylus ejecting mechanism of claim 2, wherein one of the stopper plate with the divisional plate defines a first receiving space, and the other of the stopper plate with the divisional plate defines a second receiving space, the second receiving space receives the driving mechanism.
7. A portable communication device comprising:
- a housing defining a cavity and forming a latching portion;
- a control mechanism including a button, the button forming a projection, the button engaging with the latching portion;
- a driving mechanism; and
- a stylus received in the cavity, the stylus defining a groove, the projection being engaged in the groove for releasably locking the stylus, the driving mechanism positioned at one end of the stylus for ejecting the stylus from the cavity of the housing.
8. The portable communication device of claim 7, wherein the driving mechanism includes a block and a driving spring, the driving spring pushing the block, the block abutting the stylus.
9. The portable communication device of claim 7, wherein the button includes a head portion and a main body, the main body defines a through hole defined by a peripheral wall, the peripheral wall forms the projection.
10. The portable communication device of claim 9, wherein the button includes two hooks, the hooks extend from one end of the main body, the latching portion includes two spaced stopper plates, the hooks latch the stopper plates.
11. The portable communication device of claim 10, wherein each stopper plate defines a receiving hole, and includes a distal end, the two distal ends communicate with the divisional plate, the two hooks latch the distal ends of the stopper plates.
Type: Application
Filed: Sep 29, 2009
Publication Date: Sep 23, 2010
Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD. (ShenZhen City), FIH (HONG KONG) LIMITED (Kowloon)
Inventor: CHANG-ZHI LI (Shenzhen City)
Application Number: 12/568,794
International Classification: H05K 5/00 (20060101);