CN104183403A - Ultra-small key structure device - Google Patents
Ultra-small key structure device Download PDFInfo
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- CN104183403A CN104183403A CN201310194734.3A CN201310194734A CN104183403A CN 104183403 A CN104183403 A CN 104183403A CN 201310194734 A CN201310194734 A CN 201310194734A CN 104183403 A CN104183403 A CN 104183403A
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- connecting rod
- supports
- bending edges
- supporting bracket
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Abstract
The invention provides an ultra-small key structure device which comprises key caps (1), an elastic body (11), a membrane switch piece (12), a support plate (15), an outer connection rod support (17b) and an inner connection rod support (17a). The ultra-small key structure device is characterized in that connection rod arms of the outer connection rod support (17b) and the inner connection rod support (17a) are respectively formed by a single reinforced bending edge (24) vertical to a connecting rod plate surface (21); connection rod upper cooperation portions (19) and connection rod lower cooperation portions (18) of the outer connection rod support (17b) and the inner connection rod support (17a) are arranged to the inner sides of the outer surfaces of the reinforced bending edges (24) respectively; support plate rotation portions (13) are arranged at the inner sides of the reinforced bending edges (24) of the outer connection rod support (17b) and the inner connection rod support (17a) respectively; and key cap slide portions (3) are arranged at the inner sides of the reinforced bending edges (24) of the outer connection rod support (17b) and the inner connection rod support (17a) respectively. According to the ultra-small key structure device, the size of a keyboard is reduced, and key caps are allowed to be arranged more beautifully.
Description
Affiliated technical field
The present invention relates to the to stroke key switch of operation, is particularly loaded in as the key switch in the keyboard of the input unit of electronic instrument.
Background technology
Slim in being assemblied in the portable electron devices such as laptop type or palmtop computer, be in low clearance type keyboard, requirement impacts the low level of the key switch of operation, and to improve its operability be good hand touch-----generally, the key switch that can use in low clearance type keyboard is provided with: supporting bracket (for example, the lower raft of sheet metal or keyboard), be arranged on the keycap of supporting bracket top, interlock to support a pair of plastic rod parts of keycap above supporting bracket towards lifting direction guiding mutually, corresponding to the elevating movement of keycap, open and close the switching mechanism of the contact portion of circuit.By the transmission of power each other of a pair of plastic rod parts, form and guarantee that keycap can be with respect to supporting bracket, towards the attitude that vertical direction maintenance is stipulated in fact, the linkage supporting structure that carries out elevating movement simultaneously.Plastic rod generally forms hole axle by the pitman arm near middle in plastic rod and coordinates to form linkage supporting structure.The operating characteristic of stroking of key switch can be subject to the path increment of lifting action of described keycap and the impact of following in lifting action the operating characteristic of stroking of the so-called sensation of stroking.
In the portable electron devices such as existing notebook type or palmtop computer, generally adopt thin plastic X support structure apparatus, referring to Fig. 1, the bond structure device of the existing keyboard of Fig. 2 comprises keycap 1, elastomer 11, thin film switch sheet 12, the supporting bracket 15 that has auxiliary section, the link supports 16 that has upper and lower auxiliary section, link supports 16 by upper and lower auxiliary section respectively with keycap 1, the auxiliary section of supporting bracket 15 is rotated or is slidably connected, the link supports 16 that is from the side the installation of X shape is passed through the near middle transmission formation synchronous interaction supporting construction of power each other, to guarantee that keycap 1 is parallel to supporting bracket 15 elevating movements.
Wherein the auxiliary section of supporting bracket 15 consists of support plate rotation section 13 and support plate sliding part 14, and link supports 16 consists of inside connecting rod 4 and outside connecting rod 8, and the auxiliary section up and down of link supports 16 is respectively by hinge 10 on lower slide-bar 7 and plastics in the outer down hinge 9 of plastics, plastics.The outside upper slide-bar of plastics 6 forms, and synchronous interaction supporting construction pivot 5 in the plastics on inside connecting rod 4 forms with housing pivot hole on plastics outside connecting rod 8 is hinged.
Hinged with the housing pivot hole on plastics housing connecting rod 8 by pivot 5 in the plastics inside casing on plastics inside casing connecting rod 4 referring to this device of Fig. 1, Fig. 2 (formation of the support structure apparatus of a keycap), in plastics housing down hinge 9 and plastics lower slide of frame axle 7 respectively with metal profile 15 on rotation section 13 and sliding part 14 be rotating, be slidably matched.On plastics inside casing on hinge 10 and plastics housing slide-bar 6 respectively with keycap 1 on keycap rotation section 2 and keycap rotation section 3 be rotating, be slidably matched.Forming plastics X support structure apparatus, and by being circular arch shape action component--rubber bullet circle 11 is by keycap 1 jack-up upwards.
For the key switch of the X supporting construction in present stage keyboard, because adopt plastic rod to form, guarantee that keycap 1 is parallel to the synchronous interaction structure of supporting bracket 15 elevating movements.Because the reason of plastics itself, must have certain thickness guarantee rigidity (length of the plastic rod pitman arm of present stage and width are generally all not less than 0.7mm).And the supporting bracket rotation section 13 in supporting bracket 15 or supporting bracket sliding part 14 are also all positioned at plastic rod both sides (single thickness is generally 0.5mm).So just limited the possibility that the key switch of plastic rod further dwindles button.
General F key (the general the first row in keyboard of notebook computer) all keys and directionkeys all adopt little narrow structure, two row that adopt little narrow structure directionkeys up and down is generally arranged in space bar goes together, because the width minimum of existing little key is 8.2mm, and be generally 15mm-16mm by English alphabet and numerical key, this just causes the width of all keys of the residing row of space bar to reach 18mm-19mm, so neither attractive in appearancely be unfavorable for again further dwindling of keyboard size, the existing little key that width is 8.2mm (because pursuing minor structure) supporting construction rigidity used is poorer.
Summary of the invention
Technical problem to be solved by this invention is the size of utilizing a kind of single link supports of strengthening bending edges further to dwindle bond structure device.Extra small bond structure device of the present invention comprises that keycap 1, elastomer 11, thin film switch sheet 12, supporting bracket 15, outside connecting rod support 17b, inside connecting rod supports 17a, outside connecting rod support 17b, inside connecting rod support 17a upper end form with keycap sliding part 3 be slidably matched, lower end be connected 13 formation of supporting bracket rotation section and be rotatably assorted, and outside connecting rod supports 17b, inside connecting rod supports 17a and passes through the transmission formation synchronous interaction supporting construction of power each other, to guarantee that keycap 1 is parallel to supporting bracket 15 elevating movements.
It is characterized in that: described outside connecting rod supports the pitman arm that 17b, inside connecting rod support 17a and forms by the single reinforcement bending edges 24 perpendicular to link rod plate face 21, and connecting rod outside connecting rod supports on the connecting rod that 17b, inside connecting rod support 17a auxiliary section 18 under auxiliary section 19, connecting rod and is all positioned at the inner side of strengthening bending edges 24 outer surfaces; Supporting bracket rotation section 13 is all positioned at reinforcement bending edges 24 inner sides that outside connecting rod supports 17b, inside connecting rod support 17a; Keycap sliding part 3 is all positioned at reinforcement bending edges 24 inner sides that outside connecting rod supports 17b, inside connecting rod support 17a.
Extra small bond structure device of the present invention comprises that keycap 1, elastomer 11, thin film switch sheet 12, supporting bracket 15, outside connecting rod support 17b, inside connecting rod supports 17a, outside connecting rod support 17b, inside connecting rod support 17a upper end form with keycap sliding part 3 be slidably matched, lower end be connected 13 formation of supporting bracket rotation section and be rotatably assorted, and outside connecting rod supports 17b, inside connecting rod supports 17a and passes through the transmission formation synchronous interaction supporting construction of power each other, to guarantee that keycap 1 is parallel to supporting bracket 15 elevating movements.
It is characterized in that: the top extension board that outside connecting rod supports the link rod plate face 21 of 17b has lower linkage part 23; On the reinforcement bending edges 24 of inside connecting rod support 17a, form the connection bending edges 24a of outside bending, on connection bending edges 24a extended surface, form lower linkage part 23; Upper linkage part 22, lower linkage part 23 that synchronous interaction supporting construction supports 17b, inside connecting rod support 17a by outside connecting rod are slidably matched with lower linkage part 23, the upper linkage part 22 of outside connecting rod support 17b, inside connecting rod support 17a respectively.
Further feature is: in described supporting bracket 15, support 17b with outside connecting rod and form the inner side that the supporting bracket rotation section 13b being rotatably assorted is positioned at the supporting bracket rotation section 13a Width being rotatably assorted with inside connecting rod support 17a formation.
Further feature is: under the connecting rod of described outside connecting rod support 17b, auxiliary section 19 consists of tail end circular arc 26, arc-shaped sections 27, wherein between tail end circular arc 26, arc-shaped sections 27, forms slot to make way 30; Tail end circular arc 26 is rotatably assorted with arc protuberance 29 formation of supporting bracket rotation section 13b; Under the connecting rod of inside connecting rod support 17a, auxiliary section 19 consists of the outstanding axle 19a that strengthens moulding on bending edges 24.
Further feature is: the link rod plate face 21 that described inside connecting rod supports 17a is positioned at auxiliary section 19 1 sides on the reinforcement bending edges 24 inclined to one side connecting rods in middle part; The link rod plate face 21 that outside connecting rod supports 17b is positioned at auxiliary section 18 1 sides under the reinforcement bending edges 24 inclined to one side connecting rods in middle part.
Further feature is: the top extension board that outside connecting rod supports the link rod plate face 21 of 17b has lower linkage part 23; On the reinforcement bending edges 24 of inside connecting rod support 17a, form the connection bending edges 24a of outside bending, on connection bending edges 24a extended surface, form lower linkage part 23; Upper linkage part 22, lower linkage part 23 that synchronous interaction supporting construction supports 17b, inside connecting rod support 17a by outside connecting rod are slidably matched with lower linkage part 23, the upper linkage part 22 of outside connecting rod support 17b, inside connecting rod support 17a respectively.
good effect of the present invention
Extra small bond structure device, dwindles keyboard size, keycap is arranged more attractive in appearance, and rigidity and intensity are better, longer service life,
Adopt the also following advantage of tool of metal plate punching moulding extra small bond structure device of the present invention:
1, the present invention is directly by the formed connected link supports being connected together of continuous high-efficient on the stepping Mo Sheet material of cheap pressing equipment and cheapness, and needn't, separately by production link supports such as high performance engineering plastics, save the high-speed injection molding machines up to a million in order to production link supports, the high-precision hot flow path mould of plastics of exploitation up to a million simultaneously.
2, a plurality of link supports equidistantly link together, link supports can simply efficiently head into the connecting portion in supporting bracket automatically, and coordinate 80-100 times of the installations that the installation effectiveness of link supports and installation efficiency-cost ratio support higher than existing plastic rod with the connecting portion formation in supporting bracket.
3, the structural strength of link supports and the rigidity of structure significantly improve, energy consumption significantly reduces, the rigidity of structure is high, structural strength is high durable in use, the durability of connecting rod and the quality of connecting rod have been improved, link supports material in process of production loss is little, without the hidden danger (causing that connecting rod in use ruptures etc.) of injection defect.
4, the present invention is due to difference forming hole and axle on the bending edges of the direct both arms at two connecting rods, and the quality of fit of hole and axle is far above the hole on two plastic rod arms and the quality of fit of axle.
5, the face of bending edges of 90 degree on the bending edges of the degree of 90 on the both arms of connecting rod and the both arms of another connecting rod and the sidespin that the little matched in clearance of face has thoroughly been eliminated connecting rod.
6, because connecting rod rigidity further improves, in addition the quality of fit of connecting rod and connecting rod, connecting rod and keycap, connecting rod and supporting bracket significantly improves, when finger stroke arrives the edge of keycap, the idle stroke that keycap is impacted the side displacement of a side significantly reduces, finger stroke improves to the feel of keycap, and operability is better.
7, can produce less button, produce the X support structure apparatus that keycap size is less (keycap size I reach 12mmx7mm), can be widely used in palmtop computer.
Accompanying drawing explanation
Fig. 1 is the composition structure chart of the existing plastic rod support structure apparatus of a standard key;
Fig. 2 is the annexation figure of the existing plastic rod support structure apparatus of a standard key;
Fig. 3 is the stereogram that a kind of inside connecting rod of the present invention supports 17a structure;
Fig. 4 is the stereogram that a kind of outside connecting rod of the present invention supports 17b structure;
Fig. 5 is the stereogram of a kind of supporting plate structure of the present invention;
Fig. 6 is the stereogram of a kind of button cap structure of the present invention;
Fig. 7 is that outside connecting rod of the present invention supports 17b, inside connecting rod supports 17a and is arranged on the structure chart in supporting bracket 15;
Fig. 8 is the cutaway view of key switch of the present invention when a high position.
Embodiment
It is characterized in that: described outside connecting rod supports the pitman arm that 17b, inside connecting rod support 17a and forms by the single reinforcement bending edges 24 perpendicular to link rod plate face 21, and connecting rod outside connecting rod supports on the connecting rod that 17b, inside connecting rod support 17a auxiliary section 18 under auxiliary section 19, connecting rod and is all positioned at the inner side of strengthening bending edges 24 outer surfaces; Supporting bracket rotation section 13 is all positioned at reinforcement bending edges 24 inner sides that outside connecting rod supports 17b, inside connecting rod support 17a; Keycap sliding part 3 is all positioned at reinforcement bending edges 24 inner sides that outside connecting rod supports 17b, inside connecting rod support 17a.
It is characterized in that: the top extension board that outside connecting rod supports the link rod plate face 21 of 17b has lower linkage part 23; On the reinforcement bending edges 24 of inside connecting rod support 17a, form the connection bending edges 24a of outside bending, on connection bending edges 24a extended surface, form lower linkage part 23; Upper linkage part 22, lower linkage part 23 that synchronous interaction supporting construction supports 17b, inside connecting rod support 17a by outside connecting rod are slidably matched with lower linkage part 23, the upper linkage part 22 of outside connecting rod support 17b, inside connecting rod support 17a respectively.
Further feature is: in described supporting bracket 15, support 17b with outside connecting rod and form the inner side that the supporting bracket rotation section 13b being rotatably assorted is positioned at the supporting bracket rotation section 13a Width being rotatably assorted with inside connecting rod support 17a formation.
Further feature is: under the connecting rod of described outside connecting rod support 17b, auxiliary section 19 consists of tail end circular arc 26, arc-shaped sections 27, wherein between tail end circular arc 26, arc-shaped sections 27, forms slot to make way 30; Tail end circular arc 26 is rotatably assorted with arc protuberance 29 formation of supporting bracket rotation section 13b; Under the connecting rod of inside connecting rod support 17a, auxiliary section 19 consists of the outstanding axle 19a that strengthens moulding on bending edges 24.
Further feature is: the link rod plate face 21 that described inside connecting rod supports 17a is positioned at auxiliary section 19 1 sides on the reinforcement bending edges 24 inclined to one side connecting rods in middle part; The link rod plate face 21 that outside connecting rod supports 17b is positioned at auxiliary section 18 1 sides under the reinforcement bending edges 24 inclined to one side connecting rods in middle part.
Further feature is: the top extension board that outside connecting rod supports the link rod plate face 21 of 17b has lower linkage part 23; On the reinforcement bending edges 24 of inside connecting rod support 17a, form the connection bending edges 24a of outside bending, on connection bending edges 24a extended surface, form lower linkage part 23; Upper linkage part 22, lower linkage part 23 that synchronous interaction supporting construction supports 17b, inside connecting rod support 17a by outside connecting rod are slidably matched with lower linkage part 23, the upper linkage part 22 of outside connecting rod support 17b, inside connecting rod support 17a respectively.
embodiment 1
As shown in Figure 3, the inside connecting rod of extra small bond structure device of the present invention supports 17a structure.Inside connecting rod supports 17a both sides and forms the reinforcement bending edges 24 perpendicular to link rod plate face 21, strengthens bending edges 24 and forms the pitman arm that inside connecting rod supports 17a.The two upper ends of strengthening bending edges 24 length directions form respectively the lower end that under connecting rod, bending edges 19 length directions are strengthened in auxiliary section 18, two and form respectively auxiliary section 19 on connecting rod.Wherein under connecting rod, on auxiliary section 18, connecting rod, auxiliary section 19 is all positioned at reinforcement bending edges 24 inner sides.Left side is strengthened forming upper linkage part 22 on bending edges 24, and wherein upper linkage part 22 consists of the lower surface of strengthening the bending edges reinforcement 20 of bending edges 24.The forming of near middle that bending edges 24 is strengthened on right side connects bending edges 24a, on the reinforcement bending edges (24) of inside connecting rod support (17a), form the connection bending edges 24a of outside bending, on connection bending edges 24a extended surface, form lower linkage part 23.。Link rod plate face 21 upper ends form arc fold bending limit 25.
As shown in Figure 4, the outside connecting rod of extra small bond structure device of the present invention supports 17b structure.Outside connecting rod supports 17 b both sides and forms two pairs perpendicular to the reinforcement bending edges 24 of link rod plate face 21, strengthens bending edges 24 and forms the pitman arm that outside connecting rod supports 17 b.The two upper ends of strengthening bending edges 24 length directions form respectively the lower end that on connecting rod, bending edges 19 length directions are strengthened in auxiliary section 19, two and form arc-shaped sections 27.Strengthen forming upper linkage part 22 on bending edges 24, wherein upper linkage part 22 consists of the lower surface of strengthening the bending edges reinforcement 20 of bending edges 19.Link rod plate face 21 lower ends form tail end circular arc 26, on link rod plate face 21, on the extension board face of end, form lower linkage part 23.Wherein, auxiliary section 18 under the connecting rod of tail end circular arc 26, the common formation outside connecting rod of arc-shaped sections 27 support 17b.Between tail end circular arc 26, arc-shaped sections 27, form slot to make way 30.On the connecting rod of outside connecting rod support 17b, under auxiliary section 19, connecting rod, auxiliary section 18 is all positioned at the inner side of strengthening bending edges 24 outer surfaces, and the top extension board that outside connecting rod supports the link rod plate face (21) of (17b) has lower linkage part 23.
As shown in Figure 5, a kind of supporting bracket 15 structures of the present invention.In supporting bracket 15, form 3 supporting bracket rotation sections 13.Wherein on a pair of supporting bracket rotation section 13a, form skewed slot opening 28, on the 13b of another supporting bracket rotation section, form arc protuberance 29.Wherein arc protuberance 29 is formed through punch forming by supporting bracket 15 plate faces.On Width, supporting bracket rotation section 13b is between the 13a of supporting bracket rotation section.
As shown in Figure 6, a kind of keycap 1 structure of the present invention.In keycap 1, be provided with 4 keycap rotation sections 3.
As shown in Figure 7, Figure 8, outside connecting rod supports 17a, inside connecting rod supports 17b and is arranged on the structure in supporting bracket 15.Outside connecting rod supports auxiliary section 18 under 17a connecting rod and is rotatably assorted with arc protuberance 29 formation of supporting bracket rotation section 13b, and arc-shaped sections 27 is slided on supporting bracket 15 upper surfaces simultaneously.Inside connecting rod supports auxiliary section 21 under the connecting rod of 17b and forms and be rotatably assorted with the supporting bracket rotation section 13a of skewed slot opening 28.Supporting bracket rotation section 13 is all positioned at link supports 17 and strengthens bending edges 24 inner sides.On the connecting rod of link supports 17, auxiliary section 19 and keycap sliding part 3 form and are slidably matched, wherein keycap sliding part 3 is all positioned at reinforcement bending edges 24 inner sides of link supports 17, the transmission of power formation synchronous interaction supporting construction supports (17b), inside connecting rod support (17a) by outside connecting rod each other upper linkage part 22, lower linkage part 23 are slidably matched with lower linkage part 23, the upper linkage part 22 of outside connecting rod support (17b), inside connecting rod support (17a) respectively, to guarantee that keycap (1) is parallel to supporting bracket (15) elevating movement.
Claims (6)
1. extra small bond structure device of the present invention comprises keycap (1), elastomer (11), thin film switch sheet (12), supporting bracket (15), outside connecting rod supports (17b), inside connecting rod supports (17a), outside connecting rod supports (17b), inside connecting rod supports (17a) upper end and keycap sliding part (3) formation is slidably matched, lower end be connected supporting bracket rotation section (13) and form and to be rotatably assorted, and outside connecting rod supports (17b), inside connecting rod supports (17a) and passes through the transmission formation synchronous interaction supporting construction of power each other, to guarantee that keycap (1) is parallel to supporting bracket (15) elevating movement, it is characterized in that: described outside connecting rod supports (17b), the pitman arm that inside connecting rod supports (17a) forms by the single reinforcement bending edges (24) perpendicular to link rod plate face (21), and connecting rod outside connecting rod supports (17b), auxiliary section (19) on the connecting rod of inside connecting rod support (17a), auxiliary section under connecting rod (18) is all positioned at the inner side of strengthening bending edges (24) outer surface, supporting bracket rotation section (13) is all positioned at reinforcement bending edges (24) inner side that outside connecting rod supports (17b), inside connecting rod support (17a), keycap sliding part (3) is all positioned at reinforcement bending edges (24) inner side that outside connecting rod supports (17b), inside connecting rod support (17a).
2. extra small bond structure device of the present invention comprises keycap (1), elastomer (11), thin film switch sheet (12), supporting bracket (15), outside connecting rod supports (17b), inside connecting rod supports (17a), outside connecting rod supports (17b), inside connecting rod supports (17a) upper end and keycap sliding part (3) formation is slidably matched, lower end be connected supporting bracket rotation section (13) and form and to be rotatably assorted, and outside connecting rod supports (17b), inside connecting rod supports (17a) and passes through the transmission formation synchronous interaction supporting construction of power each other, to guarantee that keycap (1) is parallel to supporting bracket (15) elevating movement, it is characterized in that: the top extension board of the link rod plate face (21) of link supports (17b) has lower linkage part 23, on the reinforcement bending edges (24) of inside connecting rod support (17a), form the connection bending edges 24a of outside bending, on connection bending edges 24a extended surface, form lower linkage part 23, upper linkage part 22, lower linkage part 23 that synchronous interaction supporting construction supports (17b), inside connecting rod support (17a) by outside connecting rod are slidably matched with lower linkage part 23, the upper linkage part 22 of outside connecting rod support (17b), inside connecting rod support (17a) respectively.
3. extra small bond structure device as claimed in claim 1 or 2, is characterized in that: described supporting bracket (15) supporting bracket rotation section (13b) upper and that outside connecting rod support (17b) formation is rotatably assorted is positioned at inside connecting rod supports the inner side that (17a) forms supporting bracket rotation section (13a) Width being rotatably assorted.
4. extra small bond structure device as claimed in claim 1 or 2, it is characterized in that: under the connecting rod of described outside connecting rod support (17b), auxiliary section (19) consists of tail end circular arc (26), arc-shaped sections (27), wherein between tail end circular arc (26), arc-shaped sections (27), forms slot to make way (30); Tail end circular arc (26) is rotatably assorted with arc protuberance (29) formation of supporting bracket rotation section (13b); Under the connecting rod of inside connecting rod support (17a), auxiliary section (19) consists of the outstanding axle (19a) of strengthening the upper moulding of bending edges (24).
5. extra small bond structure device as claimed in claim 1 or 2, is characterized in that: the link rod plate face (21) that described inside connecting rod supports (17a) is positioned at auxiliary section (19) one sides on the inclined to one side connecting rod in reinforcement bending edges (24) middle part; The link rod plate face (21) that outside connecting rod supports (17b) is positioned at auxiliary section (18) one sides under the inclined to one side connecting rod in reinforcement bending edges (24) middle part.
6. extra small bond structure device as claimed in claim 1, is characterized in that: the top extension board that described outside connecting rod supports the link rod plate face (21) of (17b) has lower linkage part 23; On the reinforcement bending edges (24) of inside connecting rod support (17a), form the connection bending edges 24a of outside bending, on connection bending edges 24a extended surface, form lower linkage part 23; Upper linkage part 22, lower linkage part 23 that synchronous interaction supporting construction supports (17b), inside connecting rod support (17a) by outside connecting rod are slidably matched with lower linkage part 23, the upper linkage part 22 of outside connecting rod support (17b), inside connecting rod support (17a) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310194734.3A CN104183403A (en) | 2013-05-23 | 2013-05-23 | Ultra-small key structure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310194734.3A CN104183403A (en) | 2013-05-23 | 2013-05-23 | Ultra-small key structure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104183403A true CN104183403A (en) | 2014-12-03 |
Family
ID=51964373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310194734.3A Pending CN104183403A (en) | 2013-05-23 | 2013-05-23 | Ultra-small key structure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104183403A (en) |
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2013
- 2013-05-23 CN CN201310194734.3A patent/CN104183403A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20141203 |