CN103976692B - Telescoping tube - Google Patents
Telescoping tube Download PDFInfo
- Publication number
- CN103976692B CN103976692B CN201410236557.5A CN201410236557A CN103976692B CN 103976692 B CN103976692 B CN 103976692B CN 201410236557 A CN201410236557 A CN 201410236557A CN 103976692 B CN103976692 B CN 103976692B
- Authority
- CN
- China
- Prior art keywords
- tube
- lock piece
- outer tube
- telescoping tube
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
- A47L9/242—Hose or pipe couplings
- A47L9/244—Hose or pipe couplings for telescopic or extensible hoses or pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention relates to a kind of telescoping tube, comprise outer tube and inner tube, between outer tube and inner tube, be provided with governor motion, governor motion comprises spring support, a pair of rotary shaft rack and a pair of lock piece; On outer tube, offer a pair of locking hole; Spring support is arranged on outer tube, and a rotary shaft rack and a lock piece form one group of locked component, and two groups of locked components are arranged at the both sides of spring support relatively symmetrically; On lock piece, comprise perpendicular to slip-tube shaft to rotating shaft, lock piece is connected with spring support by a pair of spring, and a pair of spring is along arranging perpendicular to the axial direction of telescoping tube, and the bottom of lock piece and locked groove match and can insert in locked groove through locking hole; Rotary shaft rack is fixedly arranged on outer tube, and on it, offers the rotating shaft installing space of the rotating shaft of holding on lock piece; The present invention can be only can easily change himself length locking by push pull maneuver, and it is simple in structure, be easy to assembling and not fragile.
Description
Technical field
The present invention relates to a kind ofly can be applied to the telescoping tube in the electrical equipment such as dust catcher.
Background technology
Telescoping tube is parts conventional in the household electrical appliance such as dust catcher, and it has outer tube and the inner tube of socket conventionally, and the two vertically relative sliding to reach the object of telescopic adjustment length. And for the length of the telescoping tube regulating is fixed, conventionally telescoping tube is also equipped with and can locks or the governor motion of release. Existing governor motion has the operating means such as button conventionally, in the time need to regulating the length of telescoping tube, need to regulate by ability push-and-pull after the first release adjusting device of operating means the length of telescoping tube, this just makes the length adjustment operation of telescoping tube comparatively loaded down with trivial details, and the structure that simultaneously makes governor motion is too complicated and easily go wrong.
Summary of the invention
Thereby the object of this invention is to provide a kind of telescoping tube that there is governor motion simple in structure can convenient adjusting length.
For achieving the above object, the technical solution used in the present invention is:
A kind of telescoping tube, comprises and socket-connecting and outer tube and the inner tube of relative sliding vertically, between described outer tube and described inner tube, be provided with can lock to fix the two relative position or release so that the two can relative sliding governor motion,
Described governor motion comprises spring support, a pair of rotary shaft rack and a pair of lock piece; Several locked grooves that described governor motion and axially embarking on journey of telescoping tube along described are opened on the outer tube wall of described inner tube match, and described locked groove is made up of symmetrical inclined-plane;
On described outer tube, offer the axial symmetrical locking hole of the telescoping tube described in a pair of edge;
Described spring support is arranged on described outer tube and between a pair of described locking hole, lock piece described in rotary shaft rack described in one and one forms one group of locked component, locked component described in two groups is arranged at the both sides of described spring support relatively symmetrically, and described locked component and described spring support are along the axial arranging of described telescoping tube;
On described lock piece, comprise perpendicular to described slip-tube shaft to rotating shaft, described lock piece is connected with described spring support by a pair of spring, and a pair of described spring is along arranging perpendicular to the axial direction of described telescoping tube, the bottom of described lock piece with described locked groove matches and can insert through described locking hole described in locked groove in; Described rotary shaft rack is fixedly arranged on described outer tube, and on it, offers the rotating shaft installing space that holds the rotating shaft on described lock piece;
Described governor motion has lockup state and released state; Under described lockup state, insert in described locked groove the bottom of described lock piece, and now the relative position of described outer tube and described inner tube is locked; Under described released state, described lock piece is stressed and rotate and make described spring generation elastic deformation around its rotating shaft, the bottom of described lock piece rotates described locked groove, and now described outer tube and described inner tube can be along the axial relative sliding of described telescoping tube.
Preferably, described lock piece comprises middle part and is positioned at the alar part of described both sides, middle part, and described rotating shaft is arranged on described middle part, and the bottom at described middle part inserts in described locked groove, and described spring is arranged at described alar part.
Preferably, described rotating shaft installing space is the groove being opened on described lock piece.
Preferably, described governor motion also comprises lining, described lining be fixedly arranged on one end of described outer tube and be sheathed on described outer tube and described inner tube between, on described lining, the position of corresponding described locking hole also offers through hole.
Preferably, described spring support, described rotary shaft rack are fixedly installed on described outer tube by the installing hole being opened on described outer tube respectively.
Preferably, described governor motion is arranged with outward for hand-held overcoat, and described overcoat comprises the rear cover and the protheca that connect, in described protheca or described rear cover, contacts with described lock piece.
Preferably, described outer tube, described inner tube are metal tube.
Preferably, between described outer tube and described inner tube, be provided with the axial guiding mechanism along described telescoping tube.
In the application, the bottom of related described lock piece, " end " refers to a side of close telescoping tube axis in this lock piece.
Because technique scheme is used, the present invention compared with prior art has following advantages: telescoping tube of the present invention can only can easily change the length of himself by push pull maneuver, and after completing, adjusting locks the relative position of outer tube and inner tube, its governor motion is simple in structure, be easy to assembling and not fragile, so have larger promotional value.
Brief description of the drawings
The profile schematic diagram that accompanying drawing 1 is telescoping tube of the present invention.
The explosive view that accompanying drawing 2 is telescoping tube of the present invention.
The explosive view that accompanying drawing 3 is telescoping tube of the present invention.
Accompanying drawing 4 is the top view after telescoping tube assembling of the present invention.
The A portion zoomed-in view that accompanying drawing 5 is telescoping tube of the present invention.
The schematic perspective view of the inner tube that accompanying drawing 6 is telescoping tube of the present invention.
The schematic perspective view of the outer tube that accompanying drawing 7 is telescoping tube of the present invention.
The amplification schematic perspective view of the protheca that accompanying drawing 8 is telescoping tube of the present invention.
The amplification schematic perspective view of the rear cover that accompanying drawing 9 is telescoping tube of the present invention.
The amplification schematic perspective view of the lining that accompanying drawing 10 is telescoping tube of the present invention.
The amplification schematic perspective view of the spring support that accompanying drawing 11 is telescoping tube of the present invention.
The amplification schematic perspective view of the rotary shaft rack that accompanying drawing 12 is telescoping tube of the present invention.
The amplification schematic perspective view of the lock piece that accompanying drawing 13 is telescoping tube of the present invention.
The amplification schematic perspective view of the lock piece that accompanying drawing 14 is telescoping tube of the present invention.
The amplification master of the lock piece that accompanying drawing 15 is telescoping tube of the present invention looks schematic diagram.
Accompanying drawing 16 is that telescoping tube of the present invention is at the B-B of lockup state cutaway view.
The C portion zoomed-in view that accompanying drawing 17 is telescoping tube of the present invention.
Accompanying drawing 18 is that telescoping tube of the present invention is at the D-D of lockup state cutaway view.
The E portion zoomed-in view that accompanying drawing 19 is telescoping tube of the present invention.
Accompanying drawing 20 is that telescoping tube of the present invention is at the B-B of released state cutaway view.
The F portion zoomed-in view that accompanying drawing 21 is telescoping tube of the present invention.
Accompanying drawing 22 is that telescoping tube of the present invention is at the D-D of released state cutaway view.
The G portion zoomed-in view that accompanying drawing 23 is telescoping tube of the present invention.
In above accompanying drawing: 1, outer tube; 2, inner tube; 3, governor motion; 4, lining; 5, spring support; 6, rotary shaft rack; 7, lock piece; 8, spring; 9, rear cover; 10, protheca; 11, locked groove; 12, locking hole; 13, installing hole; 14, middle part; 15, alar part; 16, rotating shaft; 17, rotating shaft installing space.
Detailed description of the invention
Below in conjunction with embodiment shown in the drawings, the invention will be further described.
Embodiment mono-: to shown in accompanying drawing 5, a kind of telescoping tube, comprises socket-connect also outer tube 1 and the inner tube 2 of relative sliding vertically referring to accompanying drawing 1, and this outer tube 1 and inner tube 2 all adopt the metal tube that intensity is higher (for example steel pipe). As shown in accompanying drawing 6 and accompanying drawing 7, outer tube 1 and inner tube 2 are tube-like piece. Axially be provided with a row locked groove 11 along telescoping tube in inner tube 2, each locked groove 11 is made up of symmetrical inclined-plane, form two symmetrical inclined-planes of locked groove 11 along the axial arranging of telescoping tube, the two intersects and forms with respect to the outer surface of inner tube 2 and the locked groove 11 of indent, and these two inclined-planes are with respect to 45 ° of the axioversions of telescoping tube. One end of outer tube 1 offers several holes, is respectively a pair of locking hole 12 and four installing holes 13, and wherein, a pair of locking hole 12 is axially symmetrical along telescoping tube, and can be corresponding with the locked groove 11 in inner tube 2.
Between outer tube 1 and inner tube 2, be provided with can lock to fix the two relative position or release so that the two can relative sliding governor motion 3. Locked groove 11 on outer tube 1 wall of governor motion 3 and inner tube 2 matches, and it comprises lining 4, spring support 5, a pair of rotary shaft rack 6 and a pair of lock piece 7, and spring support 5, a pair of rotary shaft rack 6 and a pair of lock piece 7 are all installed on outside outer tube 1. Governor motion 3 is outer to be arranged with for hand-held overcoat, and this overcoat comprises the rear cover 9 and the protheca 10 that connect, as illustrated in Figure 8 and 9 reference.
As shown in Figure 10, lining 4 is cylindric, its be fixedly arranged on one end of outer tube 1 and be sheathed on outer tube 1 and inner tube 2 between. Thereby the position of the locking hole 12 on lining 4 on corresponding outer tube 1 also offers the locking hole 12 of corresponding through hole complete. Thereby on lining 4, also offer the installing hole 13 of through hole complete corresponding to the position of the installing hole 13 on outer tube 1.
As shown in Figure 11, spring support 5 is strip substantially, and its both sides offer groove corresponding to the position of locking hole 12. This spring support 5 is arranged on outer tube 1 and between a pair of locking hole 12, in the time that governor motion 3 has lining 4, its two ends are installed on outside outer tube 1 to two installing holes 13 of both sides by the slip-tube shaft that is distributed in corresponding on lining 4 and outer tube 1, if when governor motion 3 does not have lining 4, its two ends are directly installed on outside outer tube 1 to two installing holes 13 of both sides by being distributed in slip-tube shaft on outer tube 1.
A rotary shaft rack 6 and a lock piece 7 form one group of locked component, and two groups of locked components are arranged at the both sides of spring support 5 relatively symmetrically, and locked component and spring support 5 are along the axial arranging of telescoping tube.
As shown in Figure 12, offer the rotating shaft installing space 17 of the rotating shaft 16 of holding on lock piece 7 on rotary shaft rack 6, this rotating shaft installing space 17 can be groove, can be also the structures such as through hole. Two rotary shaft racks 6 are installed on outside outer tube 1 by two installing holes 13 along telescoping tube axial distribution on outer tube 1 or outer tube 1 and lining 4.
If accompanying drawing 13 is to as shown in accompanying drawing 15, lock piece 7 comprises middle part 14 and is positioned at the alar part 15 of 14 both sides, middle part. Middle part be provided with on 14 perpendicular to slip-tube shaft to rotating shaft 16, the bottom of this lock piece 7 is formed on the bottom at middle part 14, the shape of the profile of this bottom and locked groove 11 matches. The alar part 15 of the both sides of each lock piece 7 is connected with spring support 5 by a spring 8 respectively, therefore each lock piece 7 is connected with spring support 5 by a pair of spring 8, a pair of spring 8 is along arranging perpendicular to the axial direction of telescoping tube, and the flexible direction of spring 8 and telescoping tube axially in the same way. Lock piece 7 is installed on outside outer tube 1, its middle part rotating shaft 16 of 14 embed on rotary shaft rack 6 for holding its groove. Now, insert in locked groove 11 through locking hole 12 corresponding on outer tube 1 and lining 4 bottom of lock piece 7.
Overcoat is sheathed on governor motion 3 when outer, protheca 10 or overlap afterwards 9 inner side and contact with the lock piece 7 in two groups of locked components respectively, be protheca 10 or overlap afterwards 9 alar parts 15 that are against lock piece 7, make by protheca 10 or after overlap 9 can be by masterpiece for lock piece 7.
In addition, between outer tube 1, lining 4 and inner tube 2, the axial guiding mechanism along telescoping tube can also be set, as the gib block and the gathering sill etc. that match, can be in the time of flexible this telescoping tube, ensure that outer tube 1 inner tube 2 can not relatively rotate.
Governor motion 3 has lockup state and released state.
If accompanying drawing 16 is to as shown in accompanying drawing 19, under lockup state, insert in locked groove 11 bottom of lock piece 7, and now the relative position of outer tube 1 and inner tube 2 is locked.
If accompanying drawing 20 is to as shown in accompanying drawing 23, under released state, lock piece 7 is stressed and rotate and make spring 8 that elastic deformation occur around its rotating shaft 16, and the bottom of lock piece 7 rotates locked groove 11, and now outer tube 1 and inner tube 2 can be along the axial relative slidings of telescoping tube.
Below the flexible principle of this telescoping tube is elaborated, " left side " wherein mentioned, the direction on " right side " refer to that accompanying drawing 16 is to left and right direction corresponding in accompanying drawing 23.
If accompanying drawing 16 is to as shown in accompanying drawing 19, under lockup state, insert in the locked groove 11 in inner tube 2 through locking hole 12 bottom of two lock pieces 7 in governor motion 3. now, the relative position of outer tube 1 and inner tube 2 is locked. in the time need to elongating the length of telescoping tube, hand-held outer tube 1 and inner tube 2 the two is applied to outside in the other direction power respectively, hold overcoat and pull outer tube 1 to the right and another hand-held inner tube 2 of holding as one, now, overcoat conducts to power to the right the alar part 15 of the lock piece 7 in left side, the stress point contacting with overcoat due to lock piece 7 is positioned at more top position, rotating shaft 16 on lock piece 7 is positioned at position more on the lower, so under the effect of pulling force, there is elastic deformation and around its rotating shaft 16, anticlockwise rotation occur in lock piece 7 pressuring springs 8, in the lock groove of the bottom of lock piece 7 by place, produce. now outer tube 1 has the trend moving right with respect to inner tube 2, that inclined-plane, right side of locked groove 11 that makes lock piece 7 places on right side is the bottom for right side lock piece 7 by masterpiece, therefore force the lock piece 7 on right side, around its rotating shaft 16, clockwise rotation occurs, and make its bottom produce made locked groove 11. now,, the released state that governor motion 3 changes, if accompanying drawing 20 is to as shown in accompanying drawing 23. continue to pull the length that can make outer tube 1 and inner tube 2 relative slidings regulate telescoping tube. in drawing process, because the lock piece 7 in left side is subject to the effect of power all the time, thereby be positioned at all the time outside locked groove 11 bottom it. the difference of lock piece 7 on right side, in the time that it slides into the position of next locked groove 11, it can first fall into this locked groove 11, and then under the effect on the inclined-plane of this locked groove 11, produce again this locked groove 11, thereby make the lock piece 7 on right side can send the sound that falls into locked groove 11, this sound can be heard by operator and as prompt tone. in the time pulling outer tube 1 to correct position, stop overcoat applying power, the lock piece 7 of both sides all can fall in the locked groove 11 that it is corresponding at the restoring force of spring 8, makes telescoping tube come back to lock-out state, and outer tube 1 and inner tube 2 can be reliablely and stablely by lockings. in the above-mentioned process that pulls outer tube 1, owing to being provided with two springs 8 between spring support 5 and each lock piece 7, can make lock piece 7 stressed evenly.
Similar with the process of above-mentioned elongation telescoping tube, in the time that needs shorten telescoping tube, hand-held outer tube 1 and inner tube 2 the two is applied to inside in the other direction power respectively, hold that overcoat promotes outer tube 1 left and another hand-held 2, two lock pieces 7 of inner tube of holding produce respectively the locked groove 11 at its place and force spring 8 elastic deformations and by the position release of outer tube 1 and inner tube 2 as one. Until when appropriate length, lock piece 7 falls into locked groove 11 and by the locking position of outer tube 1 and inner tube 2.
As can be seen here, it is adjustable its length that this telescoping tube only needs simple push pull maneuver, and without parts such as operation bidirectional buttons, therefore very easy to use.
In this telescoping tube, the assembling process of governor motion 3 is summarized as, and is first socketed outer tube 1 and inner tube 2, and mounting bush 4, then at the outside of outer tube 1 mounting spring support 5, rotary shaft rack 6 and lock piece 7 respectively, overcoat is finally installed. Because above-mentioned installation process substantially all completes outside outer tube 1, therefore make the installation of governor motion 3 very convenient, in the time that it goes wrong, also can dismantle it easily.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow person skilled in the art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this. All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (8)
1. a telescoping tube, comprise socket-connect also outer tube and the inner tube of relative sliding vertically, between described outer tube and described inner tube, be provided with can lock to fix the two relative position or release so that the two can relative sliding governor motion, it is characterized in that:
Described governor motion comprises spring support, a pair of rotary shaft rack and a pair of lock piece; Several locked grooves that described governor motion and axially embarking on journey of telescoping tube along described are opened on the outer tube wall of described inner tube match, and described locked groove is made up of symmetrical inclined-plane;
On described outer tube, offer the axial symmetrical locking hole of the telescoping tube described in a pair of edge;
Described spring support is arranged on described outer tube and between a pair of described locking hole, lock piece described in rotary shaft rack described in one and one forms one group of locked component, locked component described in two groups is arranged at the both sides of described spring support relatively symmetrically, and described locked component and described spring support are along the axial arranging of described telescoping tube;
On described lock piece, comprise perpendicular to described slip-tube shaft to rotating shaft, described lock piece is connected with described spring support by a pair of spring, and a pair of described spring is along arranging perpendicular to the axial direction of described telescoping tube, the bottom of described lock piece with described locked groove matches and can insert through described locking hole described in locked groove in; Described rotary shaft rack is fixedly arranged on described outer tube, and on it, offers the rotating shaft installing space that holds the rotating shaft on described lock piece;
Described governor motion has lockup state and released state; Under described lockup state, insert in described locked groove the bottom of described lock piece, and now the relative position of described outer tube and described inner tube is locked; Under described released state, described lock piece is stressed and rotate and make described spring generation elastic deformation around its rotating shaft, the bottom of described lock piece rotates described locked groove, and now described outer tube and described inner tube can be along the axial relative sliding of described telescoping tube.
2. telescoping tube according to claim 1, it is characterized in that: described lock piece comprises middle part and is positioned at the alar part of described both sides, middle part, described rotating shaft is arranged on described middle part, and the bottom at described middle part inserts in described locked groove, and described spring is arranged at described alar part.
3. telescoping tube according to claim 1 and 2, is characterized in that: described rotating shaft installing space is the groove being opened on described lock piece.
4. telescoping tube according to claim 1, it is characterized in that: described governor motion also comprises lining, described lining be fixedly arranged on one end of described outer tube and be sheathed on described outer tube and described inner tube between, on described lining, the position of corresponding described locking hole also offers through hole.
5. telescoping tube according to claim 1, is characterized in that: described spring support, described rotary shaft rack are fixedly installed on described outer tube by the installing hole being opened on described outer tube respectively.
6. telescoping tube according to claim 1, is characterized in that: the outer cover of described governor motion is provided with for hand-held overcoat, and described overcoat comprises the rear cover and the protheca that connect, in described protheca or described rear cover, contacts with described lock piece.
7. telescoping tube according to claim 1, is characterized in that: described outer tube, described inner tube are metal tube.
8. telescoping tube according to claim 1, is characterized in that: between described outer tube and described inner tube, be provided with the axial guiding mechanism along described telescoping tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410236557.5A CN103976692B (en) | 2014-05-30 | 2014-05-30 | Telescoping tube |
| DE202014103780.2U DE202014103780U1 (en) | 2014-05-30 | 2014-08-14 | telescopic tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410236557.5A CN103976692B (en) | 2014-05-30 | 2014-05-30 | Telescoping tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103976692A CN103976692A (en) | 2014-08-13 |
| CN103976692B true CN103976692B (en) | 2016-05-18 |
Family
ID=51269051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410236557.5A Expired - Fee Related CN103976692B (en) | 2014-05-30 | 2014-05-30 | Telescoping tube |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103976692B (en) |
| DE (1) | DE202014103780U1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264347B (en) * | 2016-09-16 | 2018-10-09 | 肇庆市高新区创客科技有限公司 | A kind of Portable, environmental protective cleaner |
| CN107913029A (en) * | 2017-11-21 | 2018-04-17 | 苏州信德电器有限公司 | A kind of telescoping tube and dust catcher |
| CN108324181A (en) * | 2018-03-21 | 2018-07-27 | 宁波锦隆电器有限公司 | A kind of dust catcher stretching structure |
| CN109941819B (en) * | 2019-03-22 | 2020-04-17 | 盐城璟盛电线电缆有限公司 | Wire and cable bundling package |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1106130A1 (en) * | 1999-12-03 | 2001-06-13 | Fischer-Rohrtechnik GmbH | Telescopic vacuum cleaner pipe made of three sections |
| DE202004000425U1 (en) * | 2004-01-14 | 2004-04-15 | Fischer-Rohrtechnik Gmbh | Telescopic vacuum cleaner tube with means for conveying electrostatic charges away with a spring arrangement to ensure contact in the open and closed position of the telescopic tubes |
| DE10314800B3 (en) * | 2003-04-01 | 2004-05-19 | Fischer Rohrtechnik Gmbh | Combined telescopic suction tube and electrical cable holder for vacuum cleaner, holds plug, socket and cable assembly in casing sections on suction tube with sliding lock |
| CN101089443A (en) * | 2007-06-26 | 2007-12-19 | 徐为尔 | Telescopic tube |
| CN101214133A (en) * | 2008-01-15 | 2008-07-09 | 沈锦焕 | Telescoping tube for vacuum cleaner |
| CN102011911A (en) * | 2010-11-18 | 2011-04-13 | 钱家祺 | Telescopic tube |
| CN203828844U (en) * | 2014-05-30 | 2014-09-17 | 苏州信德电器有限公司 | Telescopic pipe |
-
2014
- 2014-05-30 CN CN201410236557.5A patent/CN103976692B/en not_active Expired - Fee Related
- 2014-08-14 DE DE202014103780.2U patent/DE202014103780U1/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1106130A1 (en) * | 1999-12-03 | 2001-06-13 | Fischer-Rohrtechnik GmbH | Telescopic vacuum cleaner pipe made of three sections |
| DE10314800B3 (en) * | 2003-04-01 | 2004-05-19 | Fischer Rohrtechnik Gmbh | Combined telescopic suction tube and electrical cable holder for vacuum cleaner, holds plug, socket and cable assembly in casing sections on suction tube with sliding lock |
| DE202004000425U1 (en) * | 2004-01-14 | 2004-04-15 | Fischer-Rohrtechnik Gmbh | Telescopic vacuum cleaner tube with means for conveying electrostatic charges away with a spring arrangement to ensure contact in the open and closed position of the telescopic tubes |
| CN101089443A (en) * | 2007-06-26 | 2007-12-19 | 徐为尔 | Telescopic tube |
| CN101214133A (en) * | 2008-01-15 | 2008-07-09 | 沈锦焕 | Telescoping tube for vacuum cleaner |
| CN102011911A (en) * | 2010-11-18 | 2011-04-13 | 钱家祺 | Telescopic tube |
| CN203828844U (en) * | 2014-05-30 | 2014-09-17 | 苏州信德电器有限公司 | Telescopic pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103976692A (en) | 2014-08-13 |
| DE202014103780U1 (en) | 2014-10-06 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20210530 |