CN208106868U - A kind of right boom cylinder of excavator - Google Patents
A kind of right boom cylinder of excavator Download PDFInfo
- Publication number
- CN208106868U CN208106868U CN201820054276.1U CN201820054276U CN208106868U CN 208106868 U CN208106868 U CN 208106868U CN 201820054276 U CN201820054276 U CN 201820054276U CN 208106868 U CN208106868 U CN 208106868U
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- wall
- cylinder body
- piston rod
- piston
- earrings
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Abstract
The utility model discloses a kind of right boom cylinder of excavator, it is characterised in that：Including piston rod, guide sleeve, cylinder body, piston and cylinder bottom, wherein one end is sealed cylinder body by cylinder bottom, weld guide holder in the open end of cylinder body, guide holder connects guide sleeve, locknut is successively arranged on one end end that piston rod is placed in cylinder body, piston and cushion collar, locknut side is equipped with tapped through hole, steel ball built in tapped through hole, tapped through hole is threadedly coupled interior hexagonal holding screw, interior hexagonal holding screw is against on steel ball, steel ball is against in the groove of piston rod, piston rod, which is placed on one end outside cylinder body, connects the first earrings, cylinder bottom is equipped with the second earrings, lubricating cup is equipped on first earrings and the second earrings, epicoele oil pipe component tilts 55 ° of settings upwards, lower cavity oil pipe component is bent upwards 180 ° of settings, it is divided into rod chamber and rodless cavity in cylinder body, preceding hydraulic fluid port is connected to rod chamber, hydraulic fluid port is connected to rodless cavity afterwards.The utility model advantage has：Structure is simple, and stability is good, capable of expansion and contraction.
Description
Technical field
The invention belongs to technical field of engineering machinery, and in particular to a kind of right boom cylinder of excavator.
Background technique
Loader-digger is that a kind of widely applied multi-functional construction is mechanical.Since a variety of works can be changed quickly in it
The features such as industry device multi items, high quality and high efficiency, therefore the favor by vast construction operation unit, manufacture industry
Also it increasingly flourishes.Apply the speed during oil cylinder requirement on loader-digger is in shovel digging fast, high-efficient, mobility
It is good, it operates light.At present in the use process of the right boom cylinder of engineering machinery, it is slow that there are cylinder actions, leaks at pressure release, oil sealing
The situation of oil.From economy and product quality and the angle of promotion properties of product, need to design and fabricate a symbol
Close a excavation Oil cylinder of the market demand and the fusion of itself product.Therefore, solution in response to the above problems is with regard to particularly important.
Summary of the invention
The present invention has overcome the deficiencies of the prior art and provide that a kind of structure is simple, stability is good, retractile excavator
Right boom cylinder.
In order to achieve the above object, the technical scheme adopted by the invention is that：A kind of right boom cylinder of excavator, feature exist
In：Including piston rod, guide sleeve, cylinder body, piston and cylinder bottom, wherein one end is sealed the cylinder body by cylinder bottom, and the cylinder body is opened
Guide holder is welded at mouth end, and the guide holder and cylinder body are coaxially disposed, and internal diameter is identical, and the guide holder connects guide sleeve, institute
Stating guide sleeve includes front, middle part and rear portion, and the rear portion outer wall and the sealing of guide holder inner wall cooperate, and the middle part protrusion is set
It sets, protruding end is against on the open end of guide holder, and the middle part is connect by hexagon socket cap head screw with guide holder, before described
Portion's inner wall and the sealing of piston rod outer wall cooperate, and the rear portion outer wall is equipped with the first O-ring seals, in the front inner wall successively
Equipped with hole elastic spring, sliding shaft sleeve, the first bumper ring, axle sealing ring, dustband and hole retaining ring, the middle part it is interior
There are gap between wall and the inner wall and piston rod outer wall at the rear portion, it is rank that the piston rod, which is placed in one end end in cylinder body,
Ladder type cylinder is successively arranged with locknut, piston and cushion collar, and the cushion collar is arranged on the piston rod, and one end is against work
On stopper rod, the other end is against on one end of piston, and the cushion collar inner wall and the sealing of piston rod outer wall cooperate, in the cushion collar
Inner wall is equipped with the second bumper ring, and the cushion collar can be fastened on the inner wall at the middle part and the inner wall and piston at the rear portion
Between bar outer wall there are gap in, the piston other end is against on locknut, and the piston inner wall and piston rod outer wall seal
Cooperation is equipped with the second O-ring seals on the piston inner wall, and the piston outer wall and inboard wall of cylinder block sealing cooperate, described
Be successively arranged on piston outer wall the first molding guide ring, first receive dirty ring, hole sealing ring, second receive dirty ring and second molding lead
Xiang Huan, the locknut inner wall and piston rod outer wall sealing cooperate, and the locknut side is equipped with tapped through hole, the screw thread
Steel ball built in through-hole, the tapped through hole are threadedly coupled interior hexagonal holding screw, and the interior hexagonal holding screw is against on steel ball,
The steel ball is against in the groove of piston rod, and the piston rod, which is placed on one end outside cylinder body, connects the first earrings, the cylinder
Bottom is equipped with the second earrings, and first earrings and the equal inner sleeve of the second earrings, the axle sleeve both ends are equipped with dust-proof
It encloses, lubricating cup is equipped on first earrings and second earrings, the cylinder bottom side is equipped with rear hydraulic fluid port, and the rear hydraulic fluid port is logical
Hexagon socket cap head screw connection lower cavity oil pipe component is crossed, the guide holder side is equipped with preceding hydraulic fluid port, and the preceding hydraulic fluid port passes through interior
Hexagonal cylindrical head screw connects epicoele oil pipe component, and the preceding hydraulic fluid port and the rear hydraulic fluid port are placed in cylinder body the same side, the epicoele
The oil inlet end of oil pipe component and the oil inlet end of the lower cavity oil pipe component are placed in the middle part of cylinder body, are equipped with and are embraced in the middle part of the cylinder body
Hoop, the anchor ear are equipped with briquetting, the briquetting clamping epicoele oil pipe component and lower cavity oil pipe component, the epicoele oil pipe component
55 ° of settings of inclination, lower cavity oil pipe component are bent upwards 180 ° of settings upwards, and epicoele oil pipe component and lower cavity oil pipe component
Oil inlet end is divided into rod chamber and rodless cavity in the cylinder body, the preceding hydraulic fluid port is connected to the rod chamber, institute towards cylinder bottom
Rear hydraulic fluid port is stated to be connected to the rodless cavity.
Further, the cylinder bottom and second earrings are integrally formed.
Further, the lubricating cup on the lubricating cup on first earrings and second earrings is symmetrical arranged, with
Piston rod axis is in 90 °.
Further, the cylinder diameter is 125mm, and the diameter of piston rod is 80mm.
Further, the range that reels of the cylinder body and the piston rod is 1790-3025mm.
Further, the stroke of the piston is 1235mm.
Compared with prior art, it is an advantage of the invention that：
1, service life is long and stability is good；
2, capable of expansion and contraction, occur in 2000 working hours without pressure release, oil leak, the situation for stretching slow；
3, the economic benefit of complete machine production efficiency and production is improved.
Detailed description of the invention
Fig. 1 is a kind of structural representation front sectional view of the right boom cylinder of excavator of the present invention.
Fig. 2 is a kind of structural representation top view of the right boom cylinder of excavator of the present invention.
Fig. 3 is a kind of structural representation right view of the right boom cylinder of excavator of the present invention.
Fig. 4 is a kind of portion the A enlarged structure schematic diagram of the right boom cylinder of excavator of the present invention shown in Fig. 1.
Fig. 5 is a kind of portion the B enlarged structure schematic diagram of the right boom cylinder of excavator of the present invention shown in Fig. 1.
1. piston rod in the figure, 2. cylinder bodies, 3. pistons, 4. cylinder bottoms, 5. guide holders, 6. fronts, 7. middle parts, 8. rear portions, 9.
First O-ring seals, 10. hole elastic springs, 11. sliding shaft sleeves, 12. first bumper rings, 13. axle sealing rings, 14. is dust-proof
Circle, 15. hole retaining rings, 16. locknuts, 17. cushion collars, 18. second bumper rings, 19. second O-ring seals, 20. first moldings are led
Xiang Huan, 21. first receive dirty ring, 22. hole sealing rings, and 23. second receive dirty ring, 24. second molding guide rings, 25. tapped through holes,
26. steel ball, hexagonal holding screw in 27., 28. first earrings, 29. second earrings, 30. axle sleeves, 31. dustbands, 32. lubricating cups,
33. hydraulic fluid port after, 34. lower cavity oil pipe components, hydraulic fluid port before 35., 36. epicoele oil pipe components, 37. anchor ears, 38. briquettings, 39. have bar
Chamber, 40. rodless cavities.
Specific embodiment
The embodiments given below are intended to further illustrate the invention, but is not to be construed as to the scope of the present invention
Limitation, content still falls within this to some nonessential modifications and adaptations of the invention to those skilled in the art according to the present invention
The protection scope of invention.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In Fig. 1 into Fig. 5,1. piston rods, 2. cylinder bodies, 3. pistons, 4. cylinder bottoms, 5. guide holders, 6. fronts, 7. middle parts, 8.
Rear portion, 9. first O-ring seals, 10. hole elastic springs, 11. sliding shaft sleeves, 12. first bumper rings, 13. axle sealing rings,
14. dustband, 15. hole retaining rings, 16. locknuts, 17. cushion collars, 18. second bumper rings, 19. second O-ring seals, 20.
One molding guide ring, 21. first receive dirty ring, 22. hole sealing rings, and 23. second receive dirty ring, 24. second molding guide rings, and 25.
Tapped through hole, 26. steel balls, hexagonal holding screw in 27., 28. first earrings, 29. second earrings, 30. axle sleeves, 31. dustbands,
32. lubricating cup, hydraulic fluid port after 33., 34. lower cavity oil pipe components, hydraulic fluid port before 35., 36. epicoele oil pipe components, 37. anchor ears, 38. briquettings,
39. rod chamber, 40. rodless cavities.
A kind of right boom cylinder of excavator, it is characterised in that：Including piston rod 1, guide sleeve, cylinder body 2, piston 3 and cylinder bottom
4, wherein one end is sealed cylinder body 2 by cylinder bottom 4, and guide holder 5 is welded in the open end of cylinder body 2, and guide holder 5 and cylinder body 2 are coaxially disposed, and
And internal diameter is identical, guide holder 5 connects guide sleeve, and guide sleeve includes front 6, middle part 7 and rear portion 8,8 outer wall of rear portion and guide holder 5
Inner wall sealing cooperation, 7 protrusion setting of middle part, protruding end are against on the open end of guide holder 5, and middle part 7 passes through interior hexagonal cylindrical head
Screw is connect with guide holder 5, and 6 inner wall of front and the sealing of 1 outer wall of piston rod cooperate, and 8 outer wall of rear portion is equipped with the first O-ring seals
9, hole elastic spring 10, sliding shaft sleeve 11, the first bumper ring 12, axle sealing ring 13, dust-proof is successively arranged on 6 inner wall of front
Circle 14 and hole retaining ring 15, there are gap, the piston rods between 1 outer wall of the inner wall at middle part 7 and the inner wall at rear portion 8 and piston rod
1 is placed in one end end in cylinder body 2 as stepped cylinder, is successively arranged with locknut 16, piston 3 and cushion collar 17, cushion collar 17
Be set on piston rod 1, and one end is against on piston rod 1, the other end is against on one end of piston 3,17 inner wall of cushion collar with
The sealing cooperation of 1 outer wall of piston rod, is equipped with the second bumper ring 18 on 17 inner wall of cushion collar, and cushion collar 17 can be fastened on middle part 7
Inner wall and rear portion 81 outer wall of inner wall and piston rod between there are gap in, 3 other end of piston is against on locknut 16, piston
3 inner walls and the sealing of 1 outer wall of piston rod cooperate, and the second O-ring seals 19,3 outer wall of piston and cylinder body 2 are equipped on 3 inner wall of piston
Inner wall sealing cooperation, be successively arranged on 3 outer wall of piston the first molding guide ring 20, first receive dirty ring 21, hole sealing ring 22,
Second receives dirty ring 23 and the second molding guide ring 24, and 16 inner wall of locknut and the sealing of 1 outer wall of piston rod cooperate, and locknut is set on 16 side
There is tapped through hole 25, steel ball 26 built in tapped through hole 25, tapped through hole 25 is threadedly coupled interior hexagonal holding screw 27, and interior hexagonal is tight
Determine screw 27 to be against on steel ball 26, steel ball 26 is against in the groove of piston rod 1, is connected on one end that piston rod 1 is placed in outside cylinder body 2
The first earrings 28 is connect, cylinder bottom 4 is equipped with the second earrings 29, the first earrings 28 and the equal inner sleeve 30 of the second earrings 29, axle sleeve 30
Both ends are equipped with dustband 31, and lubricating cup 32 is equipped on the first earrings 28 and the second earrings 29, and 4 side of cylinder bottom is equipped with rear hydraulic fluid port
33, rear hydraulic fluid port 33 connects lower cavity oil pipe component 34 by hexagon socket cap head screw, and 5 side of guide holder is equipped with preceding hydraulic fluid port 35, preceding
Hydraulic fluid port 35 connects epicoele oil pipe component 36 by hexagon socket cap head screw, and it is same that preceding hydraulic fluid port 35 and rear hydraulic fluid port 33 are placed in cylinder body 2
Side, the oil inlet end of epicoele oil pipe component 36 and the oil inlet end of lower cavity oil pipe component 34 are placed in 2 middle part of cylinder body, 2 middle part of cylinder body
Equipped with anchor ear 37, anchor ear 37 is equipped with briquetting 38, and briquetting 38 is clamped epicoele oil pipe component 36 and lower cavity oil pipe component 34, epicoele oil
The 55 ° of settings of inclination upwards of tube assembly 36, lower cavity oil pipe component 34 is bent upwards 180 ° of settings, and epicoele oil pipe component 36 is under
The oil inlet end of chamber oil pipe component 34 is divided into rod chamber 39 and rodless cavity 40 towards cylinder bottom 4 in cylinder body 2, preceding hydraulic fluid port 35 with have
Rod cavity 39 is connected to, and rear hydraulic fluid port 33 is connected to rodless cavity 40.
Cylinder bottom 4 and the second earrings 29 are integrally formed.
The lubricating cup 32 on lubricating cup 32 and the second earrings 29 on first earrings 28 is symmetrical arranged, and is in 1 axis of piston rod
90°。
2 internal diameter of cylinder body is 125mm, and 1 diameter of piston rod is 80mm.
The range that reels of cylinder body 2 and piston rod 1 is 1790-3025mm.
The stroke of piston 3 is 1235mm.
In use, right boom cylinder is installed between swing arm and upper frame；It has carried out in a pre-installation bulge test 24 hours
The phenomenon that there is no oil leaks；It is capable of expansion and contraction after installation, and after practice test, there is no within cumulative activation 2000 hours oil leak, let out
The case where pressure, occurs, and has achieved the effect that anticipation；The overall performance and quality of product are improved from another point of view；Improve complete machine
The economic benefit of production efficiency and production.
Claims (6)
1. a kind of right boom cylinder of excavator, it is characterised in that：Including piston rod（1）, guide sleeve, cylinder body（2）, piston（3）With
Cylinder bottom（4）, the cylinder body（2）Wherein one end is by cylinder bottom（4）Sealing, the cylinder body（2）Open end weld guide holder（5）, institute
State guide holder（5）With cylinder body（2）Coaxial arrangement, and internal diameter is identical, the guide holder（5）Connect guide sleeve, the guide sleeve
Including front（6）, middle part（7）The rear portion and（8）, the rear portion（8）Outer wall and guide holder（5）Inner wall sealing cooperation, the middle part
（7）Protrusion setting, protruding end are against guide holder（5）Open end on, the middle part（7）By hexagon socket cap head screw with lead
To seat（5）Connection, the front（6）Inner wall and piston rod（1）Outer wall sealing cooperation, the rear portion（8）Outer wall is equipped with the first O
Shape sealing ring（9）, the front（6）Hole elastic spring is successively arranged on inner wall（10）, sliding shaft sleeve（11）, the first bumper ring
（12）, axle sealing ring（13）, dustband（14）With hole retaining ring（15）, the middle part（7）Inner wall and the rear portion（8）'s
Inner wall and piston rod（1）There are gap, the piston rods between outer wall（1）It is placed in cylinder body（2）In one end end be step type
Cylinder is successively arranged with locknut（16）, piston（3）And cushion collar（17）, the cushion collar（17）It is set in piston rod（1）On,
And one end is against piston rod（1）On, the other end is against piston（3）One end on, the cushion collar（17）Inner wall and piston rod
（1）Outer wall sealing cooperation, in the cushion collar（17）Inner wall is equipped with the second bumper ring（18）, the cushion collar（17）It can block
It closes at the middle part（7）Inner wall and the rear portion（8）Inner wall and piston rod（1）Between outer wall there are gap in, it is described
Piston（3）The other end is against locknut（16）On, the piston（3）Inner wall and piston rod（1）Outer wall sealing cooperation, in the piston
（3）Inner wall is equipped with the second O-ring seals（19）, the piston（3）Outer wall and cylinder body（2）Inner wall sealing cooperation, in the work
Plug（3）The first molding guide ring is successively arranged on outer wall（20）, first receive dirty ring（21）, hole sealing ring（22）, second receive dirt
Ring（23）With the second molding guide ring（24）, the locknut（16）Inner wall and the piston rod（1）Outer wall sealing cooperation, the lock
It is female（16）Side is equipped with tapped through hole（25）, the tapped through hole（25）Built-in steel ball（26）, the tapped through hole（25）Spiral shell
Line connects interior hexagonal holding screw（27）, the interior hexagonal holding screw（27）It is against steel ball（26）On, the steel ball（26）It supports
In piston rod（1）Groove in, the piston rod（1）It is placed in cylinder body（2）The first earrings is connected on external one end（28）, described
Cylinder bottom（4）It is equipped with the second earrings（29）, first earrings（28）With second earrings（29）Equal inner sleeve（30）, institute
State axle sleeve（30）Both ends are equipped with dustband（31）, first earrings（28）With second earrings（29）On be equipped with lubricating cup
（32）, the cylinder bottom（4）Side is equipped with rear hydraulic fluid port（33）, the rear hydraulic fluid port（33）Cavity of resorption is connected by hexagon socket cap head screw
Oil pipe component（34）, the guide holder（5）Side is equipped with preceding hydraulic fluid port（35）, the preceding hydraulic fluid port（35）Pass through interior hexagonal cylindrical head spiral shell
Nail connection epicoele oil pipe component（36）, the preceding hydraulic fluid port（35）With the rear hydraulic fluid port（33）It is placed in cylinder body（2）The same side, it is described on
Chamber oil pipe component（36）Oil inlet end and the lower cavity oil pipe component（34）Oil inlet end be placed in cylinder body（2）Middle part, it is described
Cylinder body（2）Middle part is equipped with anchor ear（37）, the anchor ear（37）It is equipped with briquetting（38）, the briquetting（38）It is clamped epicoele oil pipe group
Part（36）With lower cavity oil pipe component（34）, the epicoele oil pipe component（36）55 ° of settings of inclination upwards, lower cavity oil pipe component（34）
It is bent upwards 180 ° of settings, and epicoele oil pipe component（36）With lower cavity oil pipe component（34）Oil inlet end towards cylinder bottom
（4）, the cylinder body（2）Inside it is divided into rod chamber（39）And rodless cavity（40）, the preceding hydraulic fluid port（35）With the rod chamber（39）Even
It is logical, the rear hydraulic fluid port（33）With the rodless cavity（40）Connection.
2. the right boom cylinder of a kind of excavator according to claim 1, it is characterised in that：The cylinder bottom（4）With described
Two earrings（29）It is integrally formed.
3. the right boom cylinder of a kind of excavator according to claim 1, it is characterised in that：First earrings（28）On
Lubricating cup（32）With second earrings（29）On lubricating cup（32）It is symmetrical arranged, and piston rod（1）Axis is in 90 °.
4. the right boom cylinder of a kind of excavator according to claim 1, it is characterised in that：The cylinder body（2）Internal diameter is
125mm, the piston rod（1）Diameter is 80mm.
5. the right boom cylinder of a kind of excavator according to claim 4, it is characterised in that：The cylinder body（2）With the work
Stopper rod（1）Reel range be 1790-3025mm.
6. the right boom cylinder of a kind of excavator according to claim 1, it is characterised in that：The piston（3）Stroke be
1235mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054276.1U CN208106868U (en) | 2018-01-13 | 2018-01-13 | A kind of right boom cylinder of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820054276.1U CN208106868U (en) | 2018-01-13 | 2018-01-13 | A kind of right boom cylinder of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208106868U true CN208106868U (en) | 2018-11-16 |
Family
ID=64128647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820054276.1U Expired - Fee Related CN208106868U (en) | 2018-01-13 | 2018-01-13 | A kind of right boom cylinder of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208106868U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU2021102520B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102521B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102514B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102519B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102516B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102512B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102522B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102515B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102518B4 (en) * | 2021-05-12 | 2022-08-25 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
-
2018
- 2018-01-13 CN CN201820054276.1U patent/CN208106868U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2021102520B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102521B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102514B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102519B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102516B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102512B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102522B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102515B4 (en) * | 2021-05-12 | 2022-08-18 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
| AU2021102518B4 (en) * | 2021-05-12 | 2022-08-25 | Caterpillar Inc. | Hydraulic cylinder with specific performance dimensions |
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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 |
Granted publication date: 20181116 Termination date: 20220113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |