CN207754881U - The anti-uncoupling position-limit mechanism of the small stool of portable stretchable - Google Patents
The anti-uncoupling position-limit mechanism of the small stool of portable stretchable Download PDFInfo
- Publication number
- CN207754881U CN207754881U CN201720609277.3U CN201720609277U CN207754881U CN 207754881 U CN207754881 U CN 207754881U CN 201720609277 U CN201720609277 U CN 201720609277U CN 207754881 U CN207754881 U CN 207754881U
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- China
- Prior art keywords
- telescoping tube
- stool
- wall
- reading
- upper section
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Abstract
The anti-uncoupling position-limit mechanism of the small stool of portable stretchable,Including stool surface and stool leg,The connection ear connecting hole distribution rotatable connection of two pieces of stool surfaces,Stool leg is set in stool surface,Stool leg is made of the 3 above telescoping tubes of section,The internal diameter of upper section telescoping tube is greater than or equal to the outer diameter of next section telescoping tube,Most upper section telescoping tube is connect by the connecting hole of connection sheet with two stool surfaces,Fixing pipe and adjustable pipe are set outside most upper section telescoping tube,That two halves circular arc jaggy is made is suitable for reading for adjustable pipe suitable for reading,It is contacted with open semi-cylindrical shaped stool surface inner wall,Each telescoping tube inner wall suitable for reading is formed with fixture block,Card slot is formed in fixture block,Clamp spring or card are set in card slot,Card border is formed with notch,Notch is matched with fixture block,The suitable for reading of next section telescoping tube is in contact with the clamp spring of upper section telescoping tube inner wall suitable for reading or card,The guide groove of upper section telescoping tube is on the limited block work of next section telescoping tube,Lower slider,The limiting slot of upper section telescoping tube is matched with the limited block of the flexible pipe outer wall of next section.
Description
Technical field
The utility model is related to the anti-uncoupling position-limit mechanisms of the small stool of portable stretchable.
Background technology
When waiting buses, awaiting a subway, it is often necessary to waiting lines, in order to make one easily laborsaving during waiting,
Flexible small stool is can be carried around, which includes multiple-segment telescopic tube, and stool surface is arranged on most upper section telescoping tube,
The telescoping tube is up big and down small tapered telescopic pipe, is formed with limited block in the top outer wall of telescoping tube, and in flexible inside pipe wall
It is formed with longitudinally guiding slot and cross spacing slot, longitudinally guiding slot of the limited block in upper section telescoping tube outside next section telescoping tube
In telescopic slide up and down, block fixation after rotation and by cross spacing slot, it is each save it is small after telescoping tube is shunk, it is easy to carry,
But since the top of telescoping tube does not have blocking mechanism, when deflated, if firmly excessive, too quickly, next section telescoping tube is easy
Across the suitable for reading of upper section telescoping tube, it is susceptible to uncoupling phenomenon, once uncoupling, will repair the small stool, need to all remove each section
Telescoping tube is reinstalled, and needs dedicated repairman, general ordinary people can not be practical, is resulted in entire stool in this way and is scrapped.
Invention content
The purpose of this utility model is to overcome prior art there are the shortcomings that, provide it is a kind of it is each section telescoping tube it is upper
Blocking mechanism is arranged in mouth inner wall, and when each section telescoping tube is shunk, the flexible head of next section is suitable for reading by upper section telescoping tube
Blocking mechanism block, avoid uncoupling, safe to use, the anti-uncoupling position restrainer of the small stool of portable stretchable to prolong the service life
Structure.
The technical solution of the anti-uncoupling position-limit mechanism of the small stool of the utility model portable stretchable is, including plastic material is made
Stool surface and stool leg, it is characterised in that the stool surface is two pieces of semicylindrical stool surfaces, and adjacent one of two pieces of stool surfaces makes respectively
There is connection ear, connect in ear and be provided with pin hole, pin is inserted into pin hole, two pieces of stool surface distribution rotatable connections are closed at two pieces
Stool leg is set in the stool surface got up, and the stool leg is made of the 3 above telescoping tubes of section, and the telescoping tube is up big and down small cone
Shape telescoping tube, the internal diameter of upper section telescoping tube are greater than or equal to the outer diameter of next section telescoping tube, the top of most upper section telescoping tube
It is formed with connection sheet, connecting hole is formed in connection sheet, most company of the upper section telescoping tube by the connecting hole and two stool surfaces of connection sheet
Lug piece and distribution rotatable connection, setting fixing pipe and adjustable pipe, the suitable for reading of adjustable pipe are made outside most upper section telescoping tube
Two halves circular arc jaggy is suitable for reading, and two halves circular arc is suitable for reading to be contacted with open semi-cylindrical shaped stool surface inner wall, in movable inside pipe wall system
There are convex ribs, in fixed inside pipe wall convex block, is formed in the outer wall of most upper section telescoping tube and is oriented to groove and limiting groove, adjustable pipe
Interior convex ribs slide up and down in the guiding groove outside most upper section telescoping tube, the convex block in fixing pipe and guiding groove and limit
Groove coordinates, and blocking mechanism is arranged in each telescoping tube inner wall suitable for reading, the blocking mechanism is in each telescoping tube inner wall system suitable for reading
There is fixture block, card slot is formed in fixture block, clamp spring is set in card slot or card, card border are formed with notch, notch is matched with fixture block,
The suitable for reading of next section telescoping tube is in contact with the clamp spring of upper section telescoping tube inner wall suitable for reading or card, in the inner wall system of each telescoping tube
There is guide groove, limiting slot is formed between each guide groove, the external wall of upper portion of each telescoping tube is formed with limited block, and a upper section telescoping tube is led
Make sliding above and below, limiting slot and the flexible pipe outer wall of next section of upper section telescoping tube for the limited block of next section telescoping tube to slot
Limited block match.
The utility model is related to a kind of anti-uncoupling position-limit mechanisms of the small stool of portable stretchable, are mainly technically characterized by each
Telescoping tube inner wall suitable for reading is arranged blocking mechanism, and the blocking mechanism is to be formed with fixture block in each telescoping tube inner wall suitable for reading, in fixture block
It is formed with card slot, setting clamp spring or card in each card slot, when installing clamp spring or card, first by the following of next section telescoping tube from upper
The top of one section telescoping tube is inserted into, and exposes fixture block, and then metal clamp spring or plastic cards are inserted into the card slot of fixture block, if
It is card, first the notch alignment fixture block of card is rotated further by card, makes notch and fixture block after card enters the card slot of fixture block
Dislocation, card are fixed in card slot.When to be shunk, first by each section telescoping tube（In addition to a most upper telescoping tube）It is revolved
Turn, make next section stretch pipe outer wall the flexible inside pipe wall of the upper section of limited block abjection limiting slot, and limited block is made to rotate to leading
To groove location, limited block can be along guide groove upward sliding at this time, i.e., next section telescoping tube can an inside section telescoping tube in retraction
In, each section telescoping tube is shunk one by one according to above-mentioned action, until in the most upper section telescoping tube of all telescoping tube whole retractions, when
When the next supreme telescoping tube of telescoping tube upward sliding is suitable for reading, kept off by the clamp spring of upper telescoping tube inner wall suitable for reading or card
Firmly, will not telescoping tube is suitable for reading goes out from a upper section for next section telescoping tube caused by firmly excessive, too quickly, avoid that telescoping tube is caused to produce
Raw uncoupling（It disengages）Failure, then the fixing pipe outside most upper section telescoping tube is rotated, make the convex block abjection of fixed inside pipe wall
Most it is upper one section stretch pipe outer wall limiting groove, and make convex block rotate to be oriented to groove location, at this time fixing pipe can slide downward,
Adjustable pipe is set also to follow slide downward, the two halves circular arc of adjustable pipe is suitable for reading to be disengaged with two stool surface inner walls, and two pieces of stool surfaces are through even
Lug piece rotates doubling around pin, completes to shrink, and each telescoping tube that saves all is contracted in most upper section telescoping tube, keeps each section flexible
Pipe is contracted in two stool surfaces, reduces retraction volume；It uses, then first revolves two pieces of stool surfaces around pin through connecting ear to expansion
Turn expansion, then fixing pipe, adjustable pipe are pushed up, fixes guiding groove of the convex block in the most upper flexible pipe outer wall of a section of inside pipe wall
Upward sliding is simultaneously caught in limiting groove, so that fixing pipe is fixed on outside most upper section telescoping tube, and adjustable pipe is fixed on fixation
Between pipe and stool surface inner wall, make the two halves circular arc of adjustable pipe is suitable for reading to be in contact with two stool surface inner walls, two stool surfaces are fixed, finally will
Each telescoping tube is extracted and is rotated, and the limited block of the flexible pipe outer wall of next section is made to be caught in the limiting slot of the flexible inside pipe wall of a section,
Make each section is flexible to be in control limit, will not voluntarily shrink, after two stool surfaces are opened, fixation, stool surface are strutted by adjustable pipe and fixing pipe
Under telescoping tube blocked by each limited block, limiting slot, people be sitting in two open stool surfaces stablize it is firm.This programme portable stretchable
Blocking mechanism is arranged in the inner wall suitable for reading of each section telescoping tube, when each section telescoping tube is shunk, on next section telescoping tube in small stool
Mouth is blocked by the blocking mechanism of the upper flexible internal wall of pipe orifice of a section, avoids uncoupling, safe to use, is prolonged the service life, plastic stool
Expansion, shrinkage operation are convenient, after telescopic leg is hidden in the columnar stool surface of two halves after contraction, and two stool surfaces carry out doubling, such as
The same small column size, overall volume is small and exquisite, easy to carry, good integrity, good appearance.
The anti-uncoupling position-limit mechanism of the small stool of portable stretchable of the utility model is arranged under most next section telescoping tube
Rubber foot, when flexible small stool is opened, the footing of rubber is contacted with ground, increases elastic, protects the telescoping tube of small stool will not be by
To prodigious impact force, service life is long, and rubber foot has contacted preferable frictional force with ground, places steady, people's seat
It is safe to use in stool surface.The edge side of the stool surface opening is formed with plug tenon, and the other side is formed with socket, socket and plug tenon
Cooperation, when two semi-cylindrical shaped stool surfaces altogether when, the plug tenon and socket of one side stool surface open edge are open with another side stool surface
The socket and plug tenon at edge coordinate, and keep two stool surfaces docile altogether, will not misplace.It is made in the stool surface for being formed with one, ear of connection
There is a reinforcing rib, reinforcing rib extends to and connect ear and be integrated, and has reinforcing rib, increases the intensity of connection ear and stool surface.
Description of the drawings
Fig. 1 is the small stool opening state stereoscopic schematic diagram of the utility model portable stretchable；
Fig. 2 is that the small stool of the utility model portable stretchable is shrunk to small column state stereoscopic schematic diagram；
Fig. 3 is each section telescoping tube contraction state structural schematic diagram；
Fig. 4 is the installation clamp spring schematic diagram in the fixture block card slot of telescoping tube inner wall suitable for reading；
Fig. 5 is the installation card schematic diagram in the fixture block card slot of telescoping tube inner wall suitable for reading；
Fig. 6 is card schematic diagram；
Fig. 7 is two telescoping tube decomposing state stereoscopic schematic diagrams；
Fig. 8 be most it is upper one section telescoping tube outside adjustable pipe, fixing pipe slide downward stereoscopic schematic diagram.
Specific implementation mode
The utility model is related to a kind of anti-uncoupling position-limit mechanisms of the small stool of portable stretchable, as Figure 1-Figure 8, including
Stool surface 1 and stool leg made of plastic material, it is characterised in that the stool surface 1 is two pieces of semicylindrical stool surfaces, two pieces of 1 phases of stool surface
Adjacent one is formed respectively with connection ear 2, connects and is provided with pin hole in ear 2, and pin 3, two pieces of 1 distributions of stool surface are inserted into pin hole
Stool leg is arranged in 3 rotatable connections in two pieces of stool surfaces 1 altogether, and the stool leg saves the above telescoping tube 4 by 3 and forms, described
Telescoping tube 4 is up big and down small tapered telescopic pipe, and the internal diameter of upper section telescoping tube is greater than or equal to the outer diameter of next section telescoping tube,
The top of most upper section telescoping tube is formed with connection sheet 5, and connecting hole is formed in connection sheet 5, and most upper section telescoping tube passes through connection
The connecting hole of piece 5 is rotatably connected with the connection ear 2 of two stool surfaces 1 and distribution, and fixing pipe 6 is arranged outside most upper section telescoping tube
With adjustable pipe 7, two halves circular arc suitable for reading 8 jaggy, two halves circular arc suitable for reading 8 and the semicircular cylinder opened is made in the suitable for reading of adjustable pipe 7
1 inner wall of shape stool surface contacts, and convex ribs are formed in movable inside pipe wall, in 6 inner wall convex block of fixing pipe, in the outer of most upper section telescoping tube
Wall, which is formed with, is oriented to groove and limiting groove, and the convex ribs in adjustable pipe are upper in the guiding groove outside most upper section telescoping tube to glide
It goes, the convex block in fixing pipe coordinates with guiding groove and limiting groove, and blocking mechanism is arranged in each telescoping tube inner wall suitable for reading, described
Blocking mechanism be to be formed with fixture block 9 in 4 inner wall suitable for reading of each telescoping tube, be formed with card slot 10 in fixture block 9, clamp spring 11 be set in card slot 10
Or card 19,19 edge of card are formed with notch 20, notch 20 is matched with fixture block 9, and the suitable for reading of next section telescoping tube is saved with upper one
The clamp spring 11 or card 19 of telescoping tube inner wall suitable for reading are in contact, and guide groove 12, each guide groove 12 are formed in the inner wall of each telescoping tube
Between be formed with limiting slot 13, the external wall of upper portion of each telescoping tube is formed with limited block 14, and the guide groove 12 of upper section telescoping tube is for next
The limited block for saving telescoping tube makees sliding above and below, the limited block of the limiting slot 13 and the flexible pipe outer wall of next section of upper section telescoping tube
14 match.It is mainly technically characterized by that blocking mechanism is arranged in each telescoping tube inner wall suitable for reading, and the blocking mechanism is each
4 inner wall suitable for reading of telescoping tube is formed with fixture block 9, and card slot 10 is formed in fixture block 9, clamp spring 11 or card 19 is arranged in each card slot 10, is pacifying
When assembling jump ring 11 or card 19, first the following of next section telescoping tube is inserted into from the top of upper section telescoping tube, and expose fixture block,
Then metal clamp spring or plastic cards are inserted into the card slot of fixture block, if it is installation card, are first directed at the notch of card 20
Fixture block 9 is rotated further by card 19 after card 19 enters card slot 10 of fixture block 9, and notch 20 is made to misplace with fixture block 9, and card 19 is fixed
In card slot 10.When to be shunk, first by each section telescoping tube 4（In addition to a most upper telescoping tube）It is rotated, is made next
The limiting slot 13 of a upper section 4 inner wall of telescoping tube of the abjection of limited block 14 of 4 outer wall of telescoping tube is saved, and the rotation of limited block 14 is made extremely to be oriented to
13 position of slot, limited block 14 can be along 13 upward sliding of guide groove at this time, i.e., next section telescoping tube can inwardly a section be stretched in retraction
In the draw, each section telescoping tube is shunk one by one according to above-mentioned action, until the most upper section telescoping tube of all telescoping tube whole retractions
It is interior, when the supreme telescoping tube of next telescoping tube upward sliding is suitable for reading, by upper telescoping tube inner wall clamp spring 11 suitable for reading or
Card 19 blocks, will not telescoping tube is suitable for reading goes out from a upper section for next section telescoping tube caused by firmly excessive, too quickly, avoid causing
Telescoping tube generates uncoupling（It disengages）Failure, then the fixing pipe 6 outside most upper section telescoping tube 4 is rotated, make 6 inner wall of fixing pipe
The most upper section of convex block abjection stretch the limiting groove of pipe outer wall, and convex block is made to rotate to being oriented to groove location, at this time fixing pipe 6
Can slide downward, make adjustable pipe that slide downward, the two halves circular arc suitable for reading 8 of adjustable pipe 7 also be followed to be detached from and connects with two stool surfaces, 1 inner wall
It touches, two pieces of stool surfaces 1 rotate doubling through connection ear 2 around pin 3, complete to shrink, and each section telescoping tube is contracted to a most upper section and stretches
In the draw, each section telescoping tube is made to be contracted in two stool surfaces, reduces retraction volume；It uses, then first passes through two pieces of stool surfaces 1 to expansion
Connection ear 2 is pushed up around 3 rotary expansion of pin, then by fixing pipe 6, adjustable pipe 7, and the convex block of 6 inner wall of fixing pipe is most upper
The guiding groove upward sliding of the flexible pipe outer wall of one section is simultaneously caught in limiting groove, so that fixing pipe 6 is fixed on a most upper section flexible
Outside pipe 4, and between adjustable pipe 7 is fixed on 1 inner wall of fixing pipe 6 and stool surface, make the two halves circular arc suitable for reading 8 and two stools of adjustable pipe 7
1 inner wall of face is in contact, and is fixed to two stool surfaces, and finally each telescoping tube is extracted and rotated, and makes the limit of next section 4 outer wall of telescoping tube
Block 14 is caught in the limiting slot 13 of the flexible inside pipe wall of a section, is made each section is flexible to be in control limit, will not voluntarily be shunk, two stool surfaces
After opening, fixation is strutted by adjustable pipe and fixing pipe, the telescoping tube under stool surface is blocked by each limited block, limiting slot, and people, which is sitting in, to be beaten
It is firm to stablize in two stool surfaces opened.Blocking mechanism is arranged in the inner wall suitable for reading of each section telescoping tube in the small stool of this programme portable stretchable,
When each section telescoping tube is shunk, next section telescoping tube blocking mechanism suitable for reading by the upper flexible internal wall of pipe orifice of a section blocks, and keeps away
Exempt from uncoupling, it is safe to use, prolong the service life, the expansion of plastic stool, shrinkage operation are convenient, and telescopic leg is hidden into two halves after contraction
In columnar stool surface, and after two stool surfaces carry out doubling, such as same small column size, overall volume is small and exquisite, easy to carry, whole
Body is good, good appearance.Described 4 times setting rubber foots 15 of most next section telescoping tube, when flexible small stool opening, the bottom of rubber
Foot is contacted with ground, is increased elasticity, is protected the telescoping tube of small stool not to be severely affected power, service life is long, and rubber
Glue footing has contacted preferable frictional force with ground, places steadily, people is sitting in stool surface, safe to use.The stool surface 1 is open
Edge side be formed with plug tenon 16, the other side is formed with socket 17, and socket 17 coordinates with plug tenon 16, when two semi-cylindrical shaped stool surfaces are closed
When getting up, the plug tenon and socket of one side stool surface open edge coordinate with the socket of another side stool surface open edge and plug tenon, make two
Stool surface is docile altogether, will not misplace.Reinforcing rib 18 is formed in the stool surface for being formed with 2 one, ear of connection, reinforcing rib 18 extends
To with connect ear 2 and is integrated, have reinforcing rib, increase the intensity for connecting ear and stool surface.
Claims (4)
1. the anti-uncoupling position-limit mechanism of the small stool of portable stretchable, including stool surface made of plastic material（1）And stool leg, feature exist
In the stool surface（1）For two pieces of semicylindrical stool surfaces, two pieces of stool surfaces（1）Adjacent one is formed respectively with connection ear（2）, even
Lug piece（2）In be provided with pin hole, be inserted into pin in pin hole（3）, two pieces of stool surfaces（1）Distribution（3）Rotatable connection, closes at two pieces
The stool surface come（1）Interior setting stool leg, the stool leg is by the 3 above telescoping tubes of section（4）Composition, the telescoping tube（4）It is upper big
Under small tapered telescopic pipe, the internal diameter of upper section telescoping tube is greater than or equal to the outer diameter of next section telescoping tube, and a most upper section is flexible
The top of pipe is formed with connection sheet（5）, in connection sheet（5）In be formed with connecting hole, most it is upper one section telescoping tube passes through connection sheet（5）Company
Connect hole and two stool surfaces（1）Connection ear（2）And distribution is rotatably connected, and fixing pipe is arranged outside most upper section telescoping tube（6）
And adjustable pipe（7）, adjustable pipe（7）Suitable for reading that two halves circular arc jaggy is made is suitable for reading（8）, two halves circular arc is suitable for reading（8）With opening
Semi-cylindrical shaped stool surface（1）Inner wall contacts, and convex ribs is formed in movable inside pipe wall, in fixing pipe（6）Inner wall convex block, most upper one
The outer wall of section telescoping tube, which is formed with, is oriented to groove and limiting groove, and guiding of the convex ribs in adjustable pipe outside most upper section telescoping tube is recessed
It is slided up and down in slot, the convex block in fixing pipe coordinates with guiding groove and limiting groove, in the inner wall setting resistance suitable for reading of each telescoping tube
Retaining device, the blocking mechanism are in each telescoping tube（4）Inner wall suitable for reading is formed with fixture block（9）, fixture block（9）In be formed with card slot
（10）, card slot（10）Middle setting clamp spring（11）Or card（19）, card（19）Edge is formed with notch（20）, notch（20）With fixture block
（9）It matches, the clamp spring suitable for reading that telescoping tube inner wall suitable for reading is saved with upper one of next section telescoping tube（11）Or card（19）It is in contact,
It is formed with guide groove in the inner wall of each telescoping tube（12）, each guide groove（12）Between be formed with limiting slot（13）, the top of each telescoping tube
Outer wall is formed with limited block（14）, the guide groove of upper section telescoping tube（12）Make upper and lower sliding for the limited block of next section telescoping tube,
The limiting slot of upper section telescoping tube（13）The limited block for pipe outer wall of stretching with next section（14）It matches.
2. the anti-uncoupling position-limit mechanism of the small stool of portable stretchable as described in claim 1, it is characterised in that：Described is most next
Save telescoping tube（4）Lower setting rubber foot（15）.
3. the anti-uncoupling position-limit mechanism of the small stool of portable stretchable as described in claim 1, it is characterised in that：The stool surface
（1）The edge side of opening is formed with plug tenon（16）, the other side is formed with socket（17）, socket（17）With plug tenon（16）Cooperation.
4. the anti-uncoupling position-limit mechanism of the small stool of portable stretchable as described in claim 1, it is characterised in that：It is being formed with engaging lug
Piece（2）It is formed with reinforcing rib in one stool surface（18）, reinforcing rib（18）It extends to and connect ear（2）It is integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720609277.3U CN207754881U (en) | 2017-05-27 | 2017-05-27 | The anti-uncoupling position-limit mechanism of the small stool of portable stretchable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720609277.3U CN207754881U (en) | 2017-05-27 | 2017-05-27 | The anti-uncoupling position-limit mechanism of the small stool of portable stretchable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207754881U true CN207754881U (en) | 2018-08-24 |
Family
ID=63179191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720609277.3U Expired - Fee Related CN207754881U (en) | 2017-05-27 | 2017-05-27 | The anti-uncoupling position-limit mechanism of the small stool of portable stretchable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207754881U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109247881A (en) * | 2018-09-02 | 2019-01-22 | 安徽风向标清洁设备有限公司 | It is a kind of can self-regulating water tank volume floor-cleaning machine |
| CN111990812A (en) * | 2020-08-21 | 2020-11-27 | 宁波腾浩电子有限公司 | Telescopic stool with firm structure |
| CN116144910A (en) * | 2022-12-27 | 2023-05-23 | 艾普零件制造（苏州）股份有限公司 | Gear surface quenching device and process |
-
2017
- 2017-05-27 CN CN201720609277.3U patent/CN207754881U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109247881A (en) * | 2018-09-02 | 2019-01-22 | 安徽风向标清洁设备有限公司 | It is a kind of can self-regulating water tank volume floor-cleaning machine |
| CN109247881B (en) * | 2018-09-02 | 2020-12-15 | 安徽风向标清洁设备有限公司 | But floor cleaning machine of automatically regulated water tank volume |
| CN111990812A (en) * | 2020-08-21 | 2020-11-27 | 宁波腾浩电子有限公司 | Telescopic stool with firm structure |
| CN116144910A (en) * | 2022-12-27 | 2023-05-23 | 艾普零件制造（苏州）股份有限公司 | Gear surface quenching device and process |
| CN116144910B (en) * | 2022-12-27 | 2024-01-05 | 艾普零件制造（苏州）股份有限公司 | Gear surface quenching device and process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180824 Termination date: 20200527 |