CN103174944B - Flashlight and retracting cylinder structure thereof - Google Patents
Flashlight and retracting cylinder structure thereof Download PDFInfo
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- CN103174944B CN103174944B CN201110430527.4A CN201110430527A CN103174944B CN 103174944 B CN103174944 B CN 103174944B CN 201110430527 A CN201110430527 A CN 201110430527A CN 103174944 B CN103174944 B CN 103174944B
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- external screw
- screw thread
- recess
- flashlight
- cylinder
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Abstract
A kind of retracting cylinder structure of flashlight, comprise shell, tail-hood, revolve cylinder and positioning component, the battery sleeve that shell comprises lamp head shell and is communicated with lamp head shell, the lateral wall of battery sleeve is provided with the first external screw thread and is positioned at first recess of the first external screw thread near lamp head shell one end; The openend of tail-hood is connected away from the threaded one end of lamp head shell with battery sleeve, and the outer wall of tail-hood is provided with the second external screw thread and is positioned at second recess of the second external screw thread near one end of blind end, and the first external screw thread aligns with the second external screw thread and forms a complete thread portion; Revolve cylinder madial wall on be formed with the internal thread matching with the first external screw thread and the second external screw thread; Positioning component is arranged in movably and revolves cylinder above, is optionally fastened in the first recess or the second recess. Above-mentioned flashlight revolve cylinder collapsible in the time carrying, out extensible in use. The present invention also provides a kind of flashlight that contains above-mentioned retracting cylinder structure, in the time carrying, can reduce entire length by revolving cylinder contraction, can stretch an increase entire length by revolving cylinder in use, thereby uses and carry all more for convenience.
Description
[technical field]
The present invention relates to a kind of hand-held lighting device, particularly relate to a kind of flashlight and retracting cylinder structure thereof.
[background technology]
Flashlight is hand-held lighting device common in a kind of daily life, brings in daily lifeMany facilities, but traditional flashlight all length fix, some flashlights are longer, in use veryConvenient, but be not easy to carry; Some flashlights are shorter, are convenient to carry, but use notConvenient.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide one to use and carry all flashlight and flexible comparatively easilyBarrel structure. A retracting cylinder structure for flashlight, comprising:
Shell, the battery sleeve that comprises lamp head shell and be communicated with described lamp head shell, the lateral wall of described battery sleeve is establishedHave the first external screw thread and the first recess, described the first recess is positioned at described the first external screw thread near described lamp holderOne end of shell;
Tail-hood, has openend and the blind end relative with described openend, described openend and described batteryCylinder connects away from the threaded one end of described lamp head shell, and the outer wall of described blind end is provided with the second external screw thread and secondRecess, described the second recess is positioned at described the second external screw thread one end near described blind end, outside described firstScrew thread aligns with described the second external screw thread and forms a complete thread portion;
Revolve cylinder, its both ends open, described in revolve cylinder madial wall on be formed with and described the first external screw thread and secondThe internal thread that external screw thread matches; And
Positioning component, revolves cylinder upper described in being arranged in movably, described positioning component is optionally fastened inIn the first recess or the second recess.
Further, described positioning component comprises:
Deck, has host cavity, revolves cylinder outside and described host cavity opening described in being located in revolving cylinder;
Play cap, be fastened in described host cavity, described in described bullet cap portion passes, revolve a sidewall and described in stretching intoRevolve in cylinder; And
Elastic component, is connected between the inwall and described bullet cap of described host cavity.
Further, the lateral wall that revolves cylinder one openend described in offers accepting groove; The two-phase of described accepting grooveOn oppose side wall, offer chute, bottom offers through hole; Described deck comprises:
U-shaped shell;
Clamp, is encapsulated in the opening part of described U-shaped shell and has opening both sides protruding that protrudes from described U-shaped shellEdge, described convex edge is fastened in described chute, described clamp corresponding to the opening of described U-shaped shell offer withThe through hole that described through hole is corresponding, described bullet cap portion is through described through hole and through hole.
Further, described bullet cap comprises:
Hat housing, has openend and blind end, and described blind end is non-square, described hat housingThrough described through hole and through hole;
Shade, bends extension toward the outer side from the openend of described hat housing, and described shade is by described clampStop and be contained in described host cavity;
Wherein, the bottom butt of described elastic component one end and described U-shaped shell, the other end is contained in described hatIn housing.
Further, the blind end of described U-shaped shell is formed with locating dowel, and described elastic component is that one end is sheathed onCompress Spring in described locating dowel.
Further, described locating slot has two and relatively splits shape sidewall, and described bullet cap is from the described shape sidewall of splittingSlip in described locating slot.
Further, described locating slot has one and splits shape sidewall and split with described the vertical side that shape sidewall is relativeWall, described bullet cap slips in described locating slot and by described vertical sidewall and stops from the described shape sidewall of splitting.
Further, described the first recess and the second recess are respectively and are opened in described the first external screw thread and secondLocating slot on externally threaded tooth, described bullet cap is corresponding to the backlash setting of the described internal thread that revolves cylinder.
Further, described the first recess and the second recess are respectively and are opened in described the first external screw thread and secondThe locating slot of externally threaded backlash bottom, described bullet cap is corresponding to the tooth setting of the described internal thread that revolves cylinder.
A kind of flashlight, comprising:
Above-mentioned retracting cylinder structure;
Lamp holder, is removably fixed in described lamp head shell;
Battery, is contained in described battery sleeve; And
Tailstock, be contained in described tail-hood and with described battery butt.
The internal thread that above-mentioned flashlight revolves cylinder coordinates with the first external screw thread of urceolus and the second external screw thread of tail-hood,Thereby can make to revolve cylinder and turn to tail-hood from urceolus; And be optionally fastened in urceolus by means of positioning componentThe second recess of the first recess or tail-hood, and make to revolve cylinder stably in flexible state or extended configuration. Therefore,Above-mentioned flashlight revolve cylinder collapsible in the time carrying, out extensible in use. Above-mentioned flashlight existsWhile carrying, can reduce entire length by revolving cylinder contraction, can stretch an increase entire length by revolving cylinder in use,Thereby use and carry all more for convenience.
[brief description of the drawings]
Fig. 1 is the stereogram of the flashlight of present embodiment one;
Fig. 2 is the exploded view of flashlight shown in Fig. 1;
Fig. 3 is the stereogram of the shell of flashlight shown in Fig. 1;
Fig. 4 is the cutaway view along IV-IV direction in Fig. 3;
Fig. 5 is the cutaway view along V-V direction in Fig. 3;
Fig. 6 is the stereogram of the tail-hood of flashlight shown in Fig. 1;
Fig. 7 is the cutaway view along VII-VII direction in Fig. 6;
Fig. 8 is the cutaway view along VIII-VIII direction in Fig. 6;
Fig. 9 is the stereogram that revolves cylinder of flashlight shown in Fig. 1;
Figure 10 is the cutaway view along X-X direction in Fig. 9;
Figure 11 is the cutaway view along XI-XI direction in Fig. 9;
Figure 12 is the cutaway view of the deck of the positioning component of flashlight shown in Fig. 1;
Figure 13 is the cutaway view of the bullet cap of the positioning component of flashlight shown in Fig. 1;
Figure 14 is the cutaway view along XIV-XIV line in Fig. 1;
Figure 15 is the cutaway view along XV-XV line in Fig. 1;
Figure 16 is the partial sectional view of embodiment of the present invention two;
Figure 17 is the enlarged drawing of XVII portion in Figure 16.
[detailed description of the invention]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention. But the present invention can come in many different formsRealize, be not limited to embodiment described herein. On the contrary, provide the object of these embodiment be make rightThe understanding of disclosure of the present invention is more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, it can be directly at anotherOn individual element or also can have an element placed in the middle. When an element is considered to " connection " another yuanPart, it can be directly connected to another element or may have centering elements simultaneously. Use hereinTerm " vertical ", " level ", " left side ", " right side " and the similar just order in order to illustrate of statement.
Unless otherwise defined, all technology and the scientific terminology using herein and belong to technology of the present inventionThe implication that the technical staff in field understands is conventionally identical. The art using in description of the present invention hereinLanguage, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention. Use hereinTerm " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 and Fig. 2, the flashlight 100 of preferred embodiments one of the present invention, comprises retracting cylinder structure(figure is mark not), lamp holder 150, battery 160 and tailstock 170. Lamp holder 150, battery 160 and tailstock 170 are all receivedBe dissolved in retracting cylinder structure.
Retracting cylinder structure comprises shell 110, tail-hood 120, revolves cylinder 130 and positioning component 140. Tail-hood 120Removably connect with shell 110, revolve cylinder 130 and be sheathed on shell 110 and tail-hood 120. Positioning component 140Be located at and revolve on cylinder 130.
Refer to Fig. 3, Fig. 4 and Fig. 5, shell 110 comprises lamp head shell 111 and battery sleeve 113. Battery sleeve113 are communicated with lamp head shell 111. The lateral wall of battery sleeve 113 is provided with the first external screw thread and the first recess 1131.The first recess 1131 is positioned at the first external screw thread near lamp head shell 111 one end. Specifically in the present embodiment,One recess 1131 is for being opened in the locating slot in the first externally threaded projection. Locating slot has two and relatively splits shapeSidewall, or locating slot has one and splits shape sidewall and the vertical sidewall relative with splitting shape sidewall.
Refer to Fig. 6, Fig. 7 and Fig. 8, tail-hood 120 has openend and the blind end relative with openend.Openend is connected away from the threaded one end of lamp head shell 111 with battery sleeve 113, concrete, battery sleeve 113 away fromOne end of lamp head shell 111 is provided with external screw thread, and the openend of tail-hood 120 is provided with the external screw thread of battery sleeve 113 joinsThe internal thread closing. The outer wall of tail-hood 120 is provided with the second external screw thread and the second recess 121. The second 121 of recessesOne end in the second external screw thread near blind end. The first external screw thread of urceolus 110 and tail-hood 120 second outsideScrew thread aligns and forms a complete thread portion. The second recess 121 is for being opened in determining on the second externally threaded toothPosition groove. Locating slot has two and relatively splits shape sidewall, or locating slot have one split shape sidewall and with split shapeThe vertical sidewall that sidewall is relative.
Refer to Fig. 9, Figure 10 and Figure 11, revolve cylinder 130 both ends opens, and on its madial wall, be formed withThe internal thread that the first external screw thread of urceolus 110 and the second external screw thread of tail-hood 120 match. Revolve cylinder 130The lateral wall of one openend offers accepting groove 131. Accepting groove 131 is roughly rectangle, from revolving opening of cylinder 130Mouth edge is along revolving extending axially of cylinder 130. In the two opposite side walls of accepting groove 131, offer chute 133, receiveThe bottom of tank 131 offers through hole 135.
Refer to Fig. 2, Figure 12 and Figure 13, positioning component 140 is arranged in movably and revolves on cylinder 130, andAnd positioning component 140 is optionally fastened in second of the first recess 1131 of urceolus 110 or tail-hood 120Recess 121.
Positioning component 140 comprises deck 141, plays cap 143 and elastic component 145. Deck 141 is located at and is revolved cylinder 130Outside, deck 141 has host cavity 1411. Play cap 143 and be fastened in the host cavity 1411 of deck 1411,And corresponding to the backlash setting of revolving cylinder 130 internal thread. Play cap 143 parts through revolve cylinder 130 sidewall andStretch into and revolve in cylinder 130. Elastic component 145 is connected to the inwall and bullet cap 143 of the host cavity 141 of deck 1411Between.
Specifically in the present embodiment, deck 141 comprises U-shaped shell 1412 and clamp 1413. Clamp 1413The opening that is sealed in U-shaped shell 1413 is fixedly connected with and forms host cavity 1411, the opening court of host cavity 1411To revolving in cylinder 130. Clamp 1413 has the convex edge (figure is mark not) of the opening both sides of protruding U-shaped shell 1413,Convex edge is fastened in the chute 133 that revolves cylinder 130. Clamp 1413 is offered corresponding to the opening of U-shaped shell 1412There is the through hole 1414 corresponding with the through hole 135 that revolves cylinder 130, play cap 143 parts through through hole 1414 and pass throughPerforation 135. The blind end of U-shaped shell 1413 is formed with locating dowel 1415.
Play cap 143 and comprise hat housing 1431 and shade 1433. Hat housing 1431 have an openend andOne blind end, blind end is non-square. Shade 1433 is from the openend lateral bending outward of hat housing 1431Folding extends. Hat housing 1431 passes the through hole 1414 of deck 141 and revolves the through hole 135 of cylinder 130, capStopped by clamp 1413 along 1433 and be contained in host cavity.
The bottom butt of elastic component 145 one end and U-shaped shell 1413, the other end is contained in hat housing 1431In. Elastic component 145 can be spring, elastic caoutchouc post, elastic caoutchouc cylinder etc. Specifically in this enforcement sideIn formula, elastic component 145 is sheathed on the Compress Spring in the locating dowel 1415 of deck 141 for one end.
Wherein, when the first recess 1131 of urceolus 110 and the second recess 121 of tail-hood 120 are locating slot,Locating slot has two while relatively splitting shape sidewall, plays cap 143 and slips in locating slot from splitting shape sidewall, now bulletThe amount of elastic deformation of shape part 145 diminishes or in the raw. Or, split shape when locating slot has oneSidewall and when splitting the relative vertical sidewall of shape sidewall, plays cap 143 and slips in locating slot and quilt from splitting shape sidewallVertical sidewall stops.
Be appreciated that the first recess 1131 of urceolus 110 and the second recess 121 of tail-hood 120 are not limited to establishOn externally threaded tooth, also can be located at the bottom of externally threaded backlash, now, play cap 143 and block corresponding to revolvingThe tooth setting of the internal thread of cylinder 130.
Deck 141 also can omit, and the openend that now revolves cylinder 130 offers draw-in groove, plays the shade of cap 1431433 are fastened in draw-in groove, and along revolve cylinder 130 radially slidably, elastic component 145 is connected to the side of draw-in grooveBetween the hat housing 1431 of wall and bullet cap 143.
In addition, elastic component 145 also can be extension spring, its two ends be connected in the shade 1433 that plays cap 143 withBetween the clamp 1413 of deck 141.
See also Figure 14 and Figure 15, lamp holder 150 is removably fixed on the lamp head shell 111 of shell 110In. In lamp holder 111, be provided with light source, such as LED module, miniature bulb etc. Battery 160 is contained in shell 110Battery sleeve 113 in. Battery 160 is roughly cylindrical, can be dry cell, secondary rechargeable battery etc.Tailstock 170 and battery 160 butts, and accommodate in the tail-hood 120 with shell 110.
In the time that flashlight 100 carries, revolve cylinder 130 and be set on shell 110 and tail-hood 120, positioning componentThe hat housing 1431 of 140 bullet cap 143 is positioned in the first recess 1131 of urceolus 110, now torchThe length of cylinder 100 is shorter.
In the time that flashlight 100 uses, revolve cylinder 130 from shell 110 slide into and tail-hood 120, until locationThe hat housing 1431 of the bullet cap 143 of assembly 140 is positioned in the second recess 121 of tail-hood 120, nowThe length of flashlight 100 is longer.
The internal thread that revolves cylinder 130 of above-mentioned flashlight 100 and the first external screw thread and the tail-hood 120 of urceolus 110The second external screw thread coordinate, 130 slide into tail-hood 120 from urceolus 110 thereby make to revolve cylinder; And by means of locationAssembly 140 is optionally fastened in the first recess 1131 of urceolus 110 or the second recess of tail-hood 120121, and make to revolve cylinder 130 stably in flexible state or extended configuration. Therefore, above-mentioned flashlight 100Revolve cylinder 130 and can reduce entire length by revolving cylinder 130 contractions in the time carrying, can stretch by revolving cylinder in useExhibition increases entire length, thereby uses and carry all more for convenience.
Refer to Figure 16 and Figure 17, the flashlight 200 of embodiment of the present invention two and the torch of embodiment oneCylinder is 100 substantially similar, and its difference is: positioning component 240 comprise slide block 241, screens piece 243 andElastic component 245; Revolve on cylinder 230 sidewall and offer accepting groove 231, accepting groove 231 has to be positioned at and revolves cylinder 230Large-sized outward opening (figure not mark) and being positioned at of lateral wall madial wall undersized of revolving cylinder 230Opening (figure is mark not), the diapire of accepting groove 231 is for tiltedly splitting shape; Accepting groove 231 is relative with the diapire of tiltedly splitting shapeSidewall offer the screens piece accepting groove 232 near outward opening, and offer near the elastic component of inner opening and receiveTank 233, screens piece 243 is contained in screens piece accepting groove 233, and elastic component 245 is contained in elastic component and receivesIn tank 233; On the first externally threaded tooth of urceolus 210, offer draw-in groove 2131; Slide block 241 is contained inIn accepting groove 231, and with respect to the diapire of tiltedly splitting shape of accepting groove 231 slidably, concrete, slide block 241Have a surface of tiltedly splitting shape, this tiltedly splits the surface of shape and the diapire butt of tiltedly splitting shape of accepting groove 231.
When needs will revolve cylinder 230 while being positioned at urceolus 210, in can seeing from the outward opening of accepting groove 231The draw-in groove 2131 of opening and urceolus 210 is just right; Then by slide block 241 from the outward opening of accepting groove 231 alongThe diapire of tiltedly splitting shape of accepting groove 241 slides into the inner opening of accepting groove 231, and slide block 241 stretches into accepting grooveThe bottom of 231 inner opening just holds mutually with the draw-in groove 2131 of urceolus 210; Finally by screens piece 243 fromScreens piece accepting groove 232 parts skid off and connect with the top of slide block 241, thereby stop that slide block 241 is multiplePosition, now elastic component 245 is in compressive deformation state.
When needs will revolve cylinder 230 while sliding with respect to urceolus 210, screens piece 243 is retracted and received in screens pieceIn tank 232, elastic component 245 promotes slide block 241, make slide block 241 from the inner opening of accepting groove 231 alongThe diapire of tiltedly splitting shape of accepting groove 241 slides into the outward opening of accepting groove 231, thereby makes slide block 241 with outerThe draw-in groove 2131 of cylinder 210 separates, and revolving cylinder 230 can rotate freely.
On tail-hood 120, offer equally the draw-in groove that can hold with slide block 241, take above-mentioned same mode fixedCylinder 230 is revolved in position.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed,But can not therefore be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that for this areaThose of ordinary skill, without departing from the inventive concept of the premise, can also make some distortion andImprove, these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be with appendedClaim is as the criterion.
Claims (10)
1. a retracting cylinder structure for flashlight, is characterized in that, comprising:
Shell, the battery sleeve that comprises lamp head shell and be communicated with described lamp head shell, the lateral wall of described battery sleeve is establishedHave the first external screw thread and the first recess, described the first recess is positioned at described the first external screw thread near described lamp head shellOne end;
Tail-hood, has openend and the blind end relative with described openend, described openend and described batteryCylinder connects away from the threaded one end of described lamp head shell, and the outer wall of described tail-hood is provided with the second external screw thread and second recessedPortion, described the second recess is positioned at described the second external screw thread one end near described blind end, described the first outer spiral shellLine aligns with described the second external screw thread and forms a complete thread portion;
Revolve cylinder, its both ends open, described in revolve cylinder madial wall on be formed with and described the first external screw thread and secondThe internal thread that external screw thread matches; And
Positioning component, revolves cylinder upper described in being arranged in movably, described positioning component is optionally fastened inIn the first recess or the second recess.
2. the retracting cylinder structure of flashlight as claimed in claim 1, is characterized in that, described positioning componentComprise:
Deck, has host cavity, revolves cylinder outside and described host cavity opening described in being located in revolving cylinder;
Play cap, be fastened in described host cavity, described in described bullet cap portion passes, revolve a sidewall and described in stretching intoRevolve in cylinder; And
Elastic component, is connected between the inwall and described bullet cap of described host cavity.
3. the retracting cylinder structure of flashlight as claimed in claim 2, is characterized in that, described in revolve cylinder and one openThe lateral wall of mouth end offers accepting groove; In the two opposite side walls of described accepting groove, offer chute, open bottomBe provided with through hole; Described deck comprises:
U-shaped shell;
Clamp, is encapsulated in the opening part of described U-shaped shell and has opening both sides protruding that protrudes from described U-shaped shellEdge, described convex edge is fastened in described chute, described clamp corresponding to the opening of described U-shaped shell offer withThe through hole that described through hole is corresponding, described bullet cap portion is through described through hole and through hole.
4. the retracting cylinder structure of flashlight as claimed in claim 3, is characterized in that, described bullet cap comprises:
Hat housing, has openend and blind end, and described blind end is non-square, described hat housingThrough described through hole and through hole;
Shade, bends extension toward the outer side from the openend of described hat housing, and described shade is by described clampStop and be contained in described host cavity;
Wherein, the bottom butt of described elastic component one end and described U-shaped shell, the other end is contained in described hatIn housing.
5. the retracting cylinder structure of flashlight as claimed in claim 3, is characterized in that, described U-shaped shellBlind end is formed with locating dowel, and described elastic component is that one end is sheathed on the Compress Spring in described locating dowel.
6. the retracting cylinder structure of the flashlight as described in claim 2～5 any one, is characterized in that, described inThe first recess has two and relatively splits shape sidewall, and described bullet cap slips into described the first recess from the described shape sidewall of splittingIn.
7. the retracting cylinder structure of the flashlight as described in claim 2～5 any one, is characterized in that, described inThe first recess has one to be split shape sidewall and splits with described the vertical sidewall that shape sidewall is relative, and described bullet cap is from instituteState and split shape sidewall and slip in described the first recess and stopped by described vertical sidewall.
8. the retracting cylinder structure of flashlight as claimed in claim 2, is characterized in that, described the first recessAnd second recess be respectively the locating slot being opened on described the first external screw thread and the second externally threaded tooth, described inPlay the backlash setting of cap corresponding to the described internal thread that revolves cylinder.
9. the retracting cylinder structure of flashlight as claimed in claim 2, is characterized in that, described the first recessAnd second recess be respectively the locating slot that is opened in described the first external screw thread and the second externally threaded backlash bottom,Described bullet cap is corresponding to the tooth setting of the described internal thread that revolves cylinder.
10. a flashlight, is characterized in that, comprising:
Retracting cylinder structure as described in claim 1～9 any one;
Lamp holder, is removably fixed in described lamp head shell;
Battery, is contained in described battery sleeve; And
Tailstock, be contained in described tail-hood and with described battery butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110430527.4A CN103174944B (en) | 2011-12-20 | 2011-12-20 | Flashlight and retracting cylinder structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110430527.4A CN103174944B (en) | 2011-12-20 | 2011-12-20 | Flashlight and retracting cylinder structure thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103174944A CN103174944A (en) | 2013-06-26 |
| CN103174944B true CN103174944B (en) | 2016-05-18 |
Family
ID=48634997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110430527.4A Expired - Fee Related CN103174944B (en) | 2011-12-20 | 2011-12-20 | Flashlight and retracting cylinder structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103174944B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110130U (en) * | 1992-01-04 | 1992-07-15 | 潮州市二轻电筒厂 | Extension torch |
| CN2292210Y (en) * | 1996-12-13 | 1998-09-23 | 翁经通 | Electric torch |
| CN2348242Y (en) * | 1997-12-08 | 1999-11-10 | 梁金海 | Electric torch |
| WO2005073616A1 (en) * | 2004-01-30 | 2005-08-11 | Young-Jik Oh | A multi-functional traffic signal stick |
| CN201351815Y (en) * | 2008-12-31 | 2009-11-25 | 上海市闸北区中小学科技指导站 | Telescopic electric torch |
-
2011
- 2011-12-20 CN CN201110430527.4A patent/CN103174944B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2110130U (en) * | 1992-01-04 | 1992-07-15 | 潮州市二轻电筒厂 | Extension torch |
| CN2292210Y (en) * | 1996-12-13 | 1998-09-23 | 翁经通 | Electric torch |
| CN2348242Y (en) * | 1997-12-08 | 1999-11-10 | 梁金海 | Electric torch |
| WO2005073616A1 (en) * | 2004-01-30 | 2005-08-11 | Young-Jik Oh | A multi-functional traffic signal stick |
| CN201351815Y (en) * | 2008-12-31 | 2009-11-25 | 上海市闸北区中小学科技指导站 | Telescopic electric torch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103174944A (en) | 2013-06-26 |
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