CN110697516A - Non-parallel type double-friction-roller tension-reducing winch device and operation method thereof - Google Patents
Non-parallel type double-friction-roller tension-reducing winch device and operation method thereof Download PDFInfo
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- CN110697516A CN110697516A CN201910991676.4A CN201910991676A CN110697516A CN 110697516 A CN110697516 A CN 110697516A CN 201910991676 A CN201910991676 A CN 201910991676A CN 110697516 A CN110697516 A CN 110697516A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 24
- 238000004804 winding Methods 0.000 claims description 14
- 230000009977 dual effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
- B65H75/4405—Traversing devices; means for orderly arranging the material on the drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4473—Constructional details without arrangements or adaptations for rotating the core or former
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/32—Optical fibres or optical cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/35—Ropes, lines
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- Forwarding And Storing Of Filamentary Material (AREA)
Abstract
The invention discloses a non-parallel type double-friction-roller tension-reducing winch device which comprises a first friction wheel, a second friction wheel, a hydraulic motor, a speed reducer and a winch mounting base, wherein the first friction wheel and the second friction wheel are mounted on the winch mounting base through roller supporting bearing seats respectively arranged at the bottoms of the first friction wheel and the second friction wheel, the hydraulic motor is mounted on the winch mounting base, an output shaft of the hydraulic motor is connected with an input shaft of the speed reducer, the speed reducer is mounted in the friction wheels and is directly connected with a driving shaft of the friction wheels, the first friction wheel and the second friction wheel are symmetrically arranged, a cable is wound by the first friction wheel and the second friction wheel in sequence and then extends out, the axes of the first friction wheel and the second friction wheel are not on the same horizontal plane and form an included angle of an alpha angle, and cables between the first friction wheel and the second friction wheel are arranged in parallel. Through the structural design of the non-parallel double-friction roller, the invention ensures that the cable does not form an included angle when passing through the front and the rear friction rollers of the tension reducing winch, reduces the harmful additional abrasion in the working process of the cable, and improves the service life of the cable and the use efficiency of equipment.
Description
Technical Field
The invention relates to a tension reducing winch device and an operation method thereof, in particular to a non-parallel double-friction-wheel tension reducing winch device and an operation method thereof, and belongs to the technical field of engineering machinery.
Background
The tension reducing winch generally cooperates with the cable storage winch to work together, so that the winding and unwinding work of the ten-million-level cable is completed, the heavy load of the cable at the front end of the winch is borne, and the small load of the cable at the rear end of the winch is guaranteed. The tension reducing winch in the current market adopts a parallel double-friction roller structure, and the axes of the two friction rollers are on the same horizontal plane and are arranged in a staggered mode. However, the double-friction roller structure arranged on the same horizontal plane in a staggered mode can generate a certain included angle when the cable passes through the front friction roller and the rear friction roller, so that certain radial force is generated on the cable, the abrasion of the cable is accelerated, and the service life of the cable is shortened. .
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a tension reducing winch device with non-parallel double friction wheels and an operation method thereof, wherein the tension reducing winch device is reasonable in structure, convenient to use and capable of eliminating deviation, ensuring that a cable does not form an included angle when passing through two friction rollers at the front and the rear of a tension reducing winch, reducing harmful additional abrasion in the working process of the cable, and improving the service life of the cable and the service efficiency of equipment.
The invention adopts the following technical scheme for solving the technical problems: a non-parallel double-friction-roller tension-reducing winch device, which comprises a first friction wheel, a second friction wheel, a hydraulic motor, a speed reducer and a winch mounting base, the first friction wheel and the second friction wheel are arranged on the winch mounting base through roller supporting bearing seats respectively arranged at the bottoms of the first friction wheel and the second friction wheel, the hydraulic motor is arranged on the winch mounting base, the output shaft of the hydraulic motor is connected with the input shaft of the speed reducer, the speed reducer is arranged in the friction wheel and is directly connected with the driving shaft of the friction wheel, the first friction wheel and the second friction wheel are symmetrically arranged, the cable is wound by the first friction wheel and the second friction wheel in sequence and then extends out, the axes of the first friction wheel and the second friction wheel are not on the same horizontal plane and form an included angle with an alpha angle, and the mooring ropes between the first friction wheel and the second friction wheel are arranged in parallel.
Furthermore, the angle alpha is an included angle formed by the axes of the two friction rollers on two parallel central planes, and after the cable enters the first friction wheel, the cable is ensured to go out of the first friction wheel and enter a rope groove corresponding to the second friction wheel in parallel, so that the cable does not generate an included angle between the first friction wheel and the second friction wheel.
Furthermore, the friction wheel is the same as the friction wheel II in structure and comprises a winding drum and a rope groove arranged in the winding drum, the outer circle surface of the winding drum is provided with a plurality of semicircular arc-shaped rope grooves respectively, a mooring rope is wound in the rope groove, and the mooring rope enters the cable storage winch after passing through the friction wheel II.
Furthermore, the first friction wheel and the second friction wheel are respectively driven by a hydraulic motor, and the cable storage winch is driven by a motor; and the rotating speed of a hydraulic motor for driving the first friction wheel and the second friction wheel is the same as that of a motor for driving the cable storage winch.
Furthermore, the hydraulic motor is connected with a speed reducer through a coupling, the speed reducer is an embedded planetary speed reducer, is directly installed in the friction wheel and is directly connected with a driving shaft of the friction wheel, and the embedded planetary speed reducer has speed reduction and braking functions.
Furthermore, the mounting base is formed by welding steel plates, the section of the mounting base is in an isosceles trapezoid shape, and the speed reducer is mounted in the friction roller through a fastener and connected with a driving shaft of the friction roller.
A method of operating a non-parallel, dual friction roller, tension reducing winch arrangement, comprising the steps of:
s1, designing the radius of the rope grooves of the front roller and the rear roller and the pitch between the rope grooves, and calculating the fixed included angle of the axes of the two rollers which are not on the same horizontal plane according to the center distance of the rollers, and finally determining the structural form of the two friction rollers of the tension reducing winch.
The determination of the angle α is as follows: the diameter of the cable for the friction roller is D, the nominal diameter of the friction roller is D, the radius of the rope groove of the friction roller is r, and the pitch of the rope groove is P.
Nominal diameter D k of friction roller1×d(k1The working grade of the mechanism, the material and the structure of the mooring rope are related, and the value is generally 16-25);
radius r of friction roller rope is k2×d(k2Taking 0.53-0.56, related to the material and structure of the cable rope);
rope groove pitch P is 2r + k3(k3Taking 2-4 mm);
fixed included angle
S2, connecting a load with an upper cable, and transmitting the upper cable to a first friction wheel;
the cable on the first friction wheel is transmitted to the position of the groove corresponding to the second friction wheel through the groove on the first friction wheel, so that the cables are parallel to each other and do not form an included angle, and then the cable is wound back through the groove and returns to the first friction wheel again;
s3, repeating the step S2 until the cable winds the groove, finally leading out the cable through a second friction wheel, and winding the cable into a traction winch through an automatic cable arranger;
and S4, ending the work.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects: the invention calculates the fixed included angle of the axes of the two rollers which are not on the same horizontal plane through the design of the radius of the rope grooves of the front roller and the rear roller, the pitch between the rope grooves, the center distance of the rollers and the like, and finally determines the structural form of the two friction rollers of the tension reducing winch. Through the structural design of the non-parallel double-friction roller, an included angle is not generated when the mooring rope passes through the front friction roller and the rear friction roller of the tension reducing winch, harmful additional abrasion in the working process of the mooring rope is reduced, and the service life of the mooring rope and the service efficiency of equipment are improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 shows the operation state of the offset dual-friction roller on the same horizontal plane in the prior art.
FIG. 4 shows the operation of the non-parallel double friction roller of the present invention.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
the invention provides a non-parallel double-friction-roller tension-reducing winch device, which comprises a first friction wheel, a second friction wheel, a hydraulic motor, a speed reducer and a winch mounting base, the first friction wheel and the second friction wheel are arranged on the winch mounting base through roller supporting bearing seats respectively arranged at the bottoms of the first friction wheel and the second friction wheel, the hydraulic motor is arranged on the winch mounting base, the output shaft of the hydraulic motor is connected with the input shaft of the speed reducer, the speed reducer is arranged in the friction wheel and is directly connected with the driving shaft of the friction wheel, the first friction wheel and the second friction wheel are symmetrically arranged, the cable is wound by the first friction wheel and the second friction wheel in sequence and then extends out, the axes of the first friction wheel and the second friction wheel are not on the same horizontal plane and form an included angle with an alpha angle, and the mooring ropes between the first friction wheel and the second friction wheel are arranged in parallel.
The angle alpha is an included angle formed by the axes of the two friction rollers on the two parallel central planes, and after the cable enters the first friction wheel, the cable is ensured to go out of the first friction wheel and enter the corresponding rope groove of the second friction wheel in parallel, so that the cable does not generate an included angle between the first friction wheel and the second friction wheel.
Meanwhile, the first friction wheel and the second friction wheel are the same in structure and are composed of a winding drum and rope grooves formed in the winding drum, a plurality of semicircular arc-shaped rope grooves are formed in the outer circle surface of the winding drum respectively, and a mooring rope is wound in the rope grooves and enters the cable storage winch after passing through the second friction wheel.
The first friction wheel and the second friction wheel are respectively driven by a hydraulic motor, and the cable storage winch is driven by a motor; and the rotating speed of a hydraulic motor for driving the first friction wheel and the second friction wheel is the same as that of a motor for driving the cable storage winch.
The hydraulic motor is connected with a speed reducer through a coupling, the speed reducer is an internal planetary speed reducer, is directly installed in a friction wheel and is directly connected with a driving shaft of the friction wheel, and the internal planetary speed reducer has speed reduction and braking functions.
The mounting base is formed by welding steel plates, the section of the mounting base is in an isosceles trapezoid shape, and the speed reducer is mounted in the friction roller through a fastener and connected with a driving shaft of the friction roller.
A method of operating a non-parallel, dual friction roller, tension reducing winch arrangement, comprising the steps of:
s1, designing the radius of the rope grooves of the front roller and the rear roller and the pitch between the rope grooves, and calculating the fixed included angle of the axes of the two rollers which are not on the same horizontal plane according to the center distance of the rollers, and finally determining the structural form of the two friction rollers of the tension reducing winch.
The determination of the angle α is as follows: the diameter of the cable for the friction roller is D, the nominal diameter of the friction roller is D, the radius of the rope groove of the friction roller is r, and the pitch of the rope groove is P.
Nominal diameter D k of friction roller1×d(k1The working grade of the mechanism, the material and the structure of the mooring rope are related, and the value is generally 16-25);
radius r of friction roller rope is k2×d(k2Taking 0.53-0.56, related to the material and structure of the cable rope);
rope groove pitch P is 2r + k3(k3Taking 2-4 mm);
fixed included angle
S2, connecting a load with an upper cable, and transmitting the upper cable to a first friction wheel;
the cable on the first friction wheel is transmitted to the position of the groove corresponding to the second friction wheel through the groove on the first friction wheel, so that the cables are parallel to each other and do not form an included angle, and then the cable is wound back through the groove and returns to the first friction wheel again;
s3, repeating the step S2 until the cable winds the groove, finally leading out the cable through a second friction wheel, and winding the cable into a traction winch through an automatic cable arranger;
and S4, ending the work.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to further illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is also intended to be covered by the appended claims. The scope of the invention is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a two friction roller's of non-parallel formula subtract tension winch device, includes friction pulley, No. two friction pulley, hydraulic motor, reduction gear and winch mounting base, the friction pulley is installed on winch mounting base through setting up respectively in gyro wheel support bearing frame of respective bottom, hydraulic motor installs on winch mounting base, and hydraulic motor output shaft and reduction gear input shaft hookup, and the reduction gear is installed in the friction pulley, and direct in the drive shaft hookup of friction pulley, its characterized in that: a friction pulley and No. two friction pulley symmetry set up, and the hawser stretches out after the repeated winding of friction pulley, No. two friction pulleys in proper order, the axis of a friction pulley and No. two friction pulleys is not on same horizontal plane, is the contained angle that alpha angle set up, hawser between a friction pulley and No. two friction pulleys is parallel to each other and places.
2. A non-parallel, dual friction roller, tension reducing winch arrangement according to claim 1, wherein: the angle alpha is an included angle formed by the axes of the two friction rollers on two parallel central planes, and after the cable enters the first friction wheel, the cable is ensured to go out of the first friction wheel and enter the corresponding rope groove of the second friction wheel in parallel, so that the cable does not generate an included angle between the first friction wheel and the second friction wheel.
3. A non-parallel, dual friction roller, tension reducing winch arrangement according to claim 1, wherein: the friction wheel is the same as the friction wheel II in structure and comprises a winding drum and a rope groove arranged in the winding drum, the outer circle surface of the winding drum is provided with a plurality of semicircular arc-shaped rope grooves respectively, a mooring rope is wound in the rope groove, and the mooring rope enters the cable storage winch after passing through the friction wheel II.
4. A non-parallel, dual friction roller, tension reducing winch arrangement according to claim 3, wherein: the first friction wheel and the second friction wheel are respectively driven by a hydraulic motor, and the cable storage winch is driven by a motor; and the rotating speed of a hydraulic motor for driving the first friction wheel and the second friction wheel is the same as that of a motor for driving the cable storage winch.
5. A non-parallel, dual friction roller, tension reducing winch arrangement according to claim 1, wherein: the hydraulic motor is connected with a speed reducer through a coupling, the speed reducer is an internal planetary speed reducer, is directly installed in a friction wheel and is directly connected with a driving shaft of the friction wheel, and the internal planetary speed reducer has speed reduction and braking functions.
6. A non-parallel, dual friction roller, tension reducing winch arrangement according to claim 1, wherein: the mounting base is formed by welding steel plates, the section of the mounting base is in an isosceles trapezoid shape, and the speed reducer is mounted in the friction roller through a fastener and connected with a driving shaft of the friction roller.
7. A method of operating a non-parallel double friction roller tension reducing winch arrangement according to claim 1, comprising the steps of:
s1, designing the radius of the rope grooves of the front roller and the rear roller and the pitch between the rope grooves, and calculating the fixed included angle of the axes of the two rollers which are not on the same horizontal plane according to the center distance of the rollers, and finally determining the structural forms of the two friction rollers of the tension reducing winch;
the determination of the angle α is as follows: the diameter of the cable for the friction roller is D, the nominal diameter of the friction roller is D, the radius of the rope groove of the friction roller is r, and the pitch of the rope groove is P;
nominal diameter D k of friction roller1X d, wherein k1The value is 16-25, and is related to the working grade of the mechanism, the material and the structure of the cable;
radius r of friction roller rope is k2X d, wherein k2The value is 0.53-0.56, which is related to the material and structure of the cable;
rope groove pitch P is 2r + k3Wherein k is3Taking the value of 2-4 mm;
fixed included angle
S2, connecting a load with an upper cable, and transmitting the upper cable to a first friction wheel;
the cable on the first friction wheel is transmitted to the position of the groove corresponding to the second friction wheel through the groove on the first friction wheel, so that the cables are parallel to each other and do not form an included angle, and then the cable is wound back through the groove and returns to the first friction wheel again;
s3, repeating the step S2 until the cable winds the groove, finally leading out the cable through a second friction wheel, and winding the cable into a traction winch through an automatic cable arranger;
and S4, ending the work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910991676.4A CN110697516A (en) | 2019-10-18 | 2019-10-18 | Non-parallel type double-friction-roller tension-reducing winch device and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910991676.4A CN110697516A (en) | 2019-10-18 | 2019-10-18 | Non-parallel type double-friction-roller tension-reducing winch device and operation method thereof |
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| CN110697516A true CN110697516A (en) | 2020-01-17 |
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| CN201910991676.4A Pending CN110697516A (en) | 2019-10-18 | 2019-10-18 | Non-parallel type double-friction-roller tension-reducing winch device and operation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2625366A (en) * | 2022-12-16 | 2024-06-19 | Richardson Ewart | A Reeling Device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100110936A (en) * | 2009-04-06 | 2010-10-14 | (주)동성조선 | Winch system for pulling ship |
| CN102826475A (en) * | 2012-09-10 | 2012-12-19 | 江苏科技大学 | Horizontal type inclined cable-tension attenuating winch |
| CN104355250A (en) * | 2014-11-18 | 2015-02-18 | 南京优耐特船舶配套有限公司 | Winch |
| CN109437036A (en) * | 2019-01-08 | 2019-03-08 | 大连海事大学 | Scientific investigation ship pulling winch subtracts tensioner and its operating method |
| CN211895571U (en) * | 2019-10-18 | 2020-11-10 | 南京中船绿洲机器有限公司 | Non-parallel type double-friction roller tension reducing winch device |
-
2019
- 2019-10-18 CN CN201910991676.4A patent/CN110697516A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100110936A (en) * | 2009-04-06 | 2010-10-14 | (주)동성조선 | Winch system for pulling ship |
| CN102826475A (en) * | 2012-09-10 | 2012-12-19 | 江苏科技大学 | Horizontal type inclined cable-tension attenuating winch |
| CN104355250A (en) * | 2014-11-18 | 2015-02-18 | 南京优耐特船舶配套有限公司 | Winch |
| CN109437036A (en) * | 2019-01-08 | 2019-03-08 | 大连海事大学 | Scientific investigation ship pulling winch subtracts tensioner and its operating method |
| CN211895571U (en) * | 2019-10-18 | 2020-11-10 | 南京中船绿洲机器有限公司 | Non-parallel type double-friction roller tension reducing winch device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2625366A (en) * | 2022-12-16 | 2024-06-19 | Richardson Ewart | A Reeling Device |
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Application publication date: 20200117 |
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