CN114514868B - Birch tear picking tool - Google Patents
Birch tear picking tool Download PDFInfo
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- CN114514868B CN114514868B CN202210144567.0A CN202210144567A CN114514868B CN 114514868 B CN114514868 B CN 114514868B CN 202210144567 A CN202210144567 A CN 202210144567A CN 114514868 B CN114514868 B CN 114514868B
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- 235000018185 Betula X alpestris Nutrition 0.000 title claims abstract description 102
- 235000018212 Betula X uliginosa Nutrition 0.000 title claims abstract description 102
- 238000005520 cutting process Methods 0.000 claims description 73
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 230000036346 tooth eruption Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G23/00—Forestry
- A01G23/10—Tapping of tree-juices, e.g. caoutchouc, gum
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Knives (AREA)
Abstract
The invention relates to the technical field of picking, in particular to a birch tear picking tool. The technical problems are as follows: when the axe cutter is used for picking the birch tears manually, the trunk of the birch is damaged to enable the interior of the birch to generate a cavity, so that the resources of the birch are reduced. The technical proposal is as follows: a birch tear picking tool comprises a handle and a fixing unit; the upper part of the handle is connected with a fixing unit. The invention realizes the removal of the birch tear, the wrapping of the birch tear on the birch is realized by utilizing the lever principle, the birch tear is separated from the birch, the whole birch is not greatly damaged, and meanwhile, the birch tear removal device is designed to be handheld, so that the birch tear removal by a single person is more convenient.
Description
Technical Field
The invention relates to the technical field of picking, in particular to a birch tear picking tool.
Background
The existing picking of the birch tears is carried out manually by using a simple axe cutter, the height of the birch tears is seven to two meters, the picking difficulty is caused by the difference of the heights of the workers, meanwhile, the birch trunk around the birch tears can be damaged when the workers pick the birch tears, the birch is seriously wounded, the holes are formed in the birch trunk, so that the birch resources are reduced, the yield of the birch tears is reduced, and the local forestry environment is damaged;
in view of the foregoing, a birch tear picking tool is needed to solve the above-mentioned problems.
Disclosure of Invention
The invention provides a birch tear picking tool, which aims to overcome the defect that a birch trunk is damaged when an axe cutter is manually used for picking birch tears so that a cavity is formed in the birch and birch resources are reduced.
The technical proposal is as follows: a birch tear picking tool comprises a handle, a fixing unit, a pulling unit and a cutting unit; the upper part of the grip is connected with a fixing unit which is used for being fixed on the birch; the fixed unit is connected with a pulling unit which is connected with the handle and is used for providing power for removing birch tears; the rear part of the pulling unit is connected with a cutting unit, the cutting unit is connected with a fixing unit, and the cutting unit is used for cutting birch tears.
As an improvement of the scheme, the fixing unit comprises a handle, a shell plate, a connecting buckle plate, a first connecting plate, a first pulley, a first fixing rod, a fixing frame and a second connecting plate; the upper end of the handle is fixedly connected with a connecting buckle plate; the connecting buckle plate is connected with the cutting unit; two shell plates are symmetrically and fixedly connected to the upper surface of the connecting buckle plate; the two shell plates are connected with the collecting unit; a first pulley is fixedly connected between the lower parts of the two shell plates; the first pulley is connected with the cutting unit; the rear sides of the lower parts of the two shell plates are fixedly connected with a first connecting plate; the rear sides of the upper parts of the two shell plates are fixedly connected with a second connecting plate; the opposite sides of the two shell plates are fixedly connected with a first fixing rod respectively; the upper ends of the two first fixing rods are rotatably connected with a fixing frame; the fixing frame is connected with the pulling unit.
As an improvement of the scheme, a groove is formed in the fixing frame.
As an improvement of the scheme, the pulling unit comprises a pull rod, a pull plate, a transmission plate, a mounting plate, a rotating ring, a second pulley, a first limiting block and a second limiting block; a pull rod is arranged in the handle; the upper part of the pull rod is fixedly connected with a pull plate; the upper part of the pulling plate is fixedly connected with a transmission plate; the pulling plate is contacted with the first pulley; the transmission plate is connected with the cutting unit; the upper part of the transmission plate is fixedly connected with a second limiting block; the second limiting block is connected with the cutting unit; the front part of the second limiting block is fixedly connected with a mounting plate; the upper part of the mounting plate is fixedly connected with a rotating ring; the rotating ring is connected with the fixed frame; the lower part of the first fixed rod transmission plate is fixedly connected with a first limiting block; the first limiting block is connected with the cutting unit; the rear side of the middle part of the pulling plate is fixedly connected with a second pulley, and the second pulley is positioned below the first pulley; the second pulley is connected with the cutting unit.
As an improvement of the scheme, a lug is arranged on the inner surface of the rotating ring, and the position of the lug corresponds to the position of a groove formed in the fixing frame.
As an improvement of the scheme, the cutting unit comprises a first cutting clamp, a first sliding rod, a first rope, a first reversing pulley block, a reversing buckle, a first elastic piece, a transverse plate, a second reversing pulley block, a second cutting clamp, a second sliding rod, a second rope, a third rope, a second elastic piece and a third elastic piece; the rear part of the first limiting block is symmetrically and slidably connected with two first sliding rods; the outer surfaces of the two first sliding rods are respectively sleeved with a second elastic piece; the upper ends of the two first sliding rods are fixedly connected with a first cutting clamp; the first cutting clamp is contacted with the first limiting block; the second elastic piece is contacted with the first limiting block; the rear part of the second limiting block is symmetrically and slidably connected with two second sliding rods; the outer surfaces of the two second sliding rods are respectively sleeved with a third elastic piece; the lower ends of the two second slide bars are fixedly connected with a second excision clamp; the rear side surface of the transmission plate is fixedly connected with a transverse plate; the rear side of the lower part of the transverse plate is provided with a first reversing pulley block; the rear side of the upper part of the transverse plate is provided with a second reversing pulley block; a first rope is wound on the first reversing pulley block; the first rope is fixedly connected with the first cutting clamp; a second rope is wound on the second reversing pulley block; the second rope is fixedly connected with the second excision clamp; the lower ends of the first rope and the second rope are fixedly connected with a conversion buckle; the lower end of the conversion buckle is fixedly connected with a third rope; the third rope is contacted with the lower part of the first pulley; the third rope is contacted with the upper part of the second pulley; the lower end of the third rope is fixedly connected with a first elastic piece; the first elastic piece is connected with the connecting buckle plate.
As an improvement of the above, the first and second cutting clips are each provided with a plurality of cutting teeth.
As an improvement of the scheme, the collecting unit comprises a mounting buckle, a second fixing rod and a cloth bag; the opposite sides of the two shell plates are fixedly connected with a mounting buckle respectively; the two mounting buckles are respectively connected with a second fixing rod in a rotating way; a cloth bag is arranged between the two second fixing rods.
As an improvement of the scheme, the rear ends of the two second fixing rods are respectively provided with a movable plate which is used for adapting to the size of the birch.
The beneficial effects are as follows: the invention realizes the removal of the birch tear, the wrapping of the birch tear on the birch is realized by utilizing the lever principle, the birch tear is separated from the birch, the whole birch is not greatly damaged, and meanwhile, the birch tear removal device is designed to be handheld, so that the birch tear removal by a single person is more convenient.
Drawings
FIG. 1 is a schematic perspective view of a birch tear picking tool according to the present invention;
FIG. 2 is a schematic view of a second perspective of a birch tear picking tool according to the present invention;
FIG. 3 is a schematic perspective view of a first embodiment of a stationary unit of a birch tear picking tool according to the present invention;
FIG. 4 is a schematic view showing a second perspective structure of a fixing unit of the birch tear picking tool of the present invention;
FIG. 5 is a schematic view of a partial perspective view of a birch tear picking tool securing unit according to the present invention;
FIG. 6 is a schematic perspective view of a pulling unit of a birch tear picking tool according to the present invention;
FIG. 7 is a schematic view of a partial perspective view of a pulling unit of a birch tear picking tool according to the present invention;
FIG. 8 is a schematic view showing a first perspective structure of a birch tear picking tool cutting unit according to the present invention;
FIG. 9 is a schematic view of a second perspective view of a birch tear picking tool cutting unit according to the present invention;
FIG. 10 is a schematic view of a third perspective view of a birch tear picking tool cutting unit according to the present invention;
FIG. 11 is a schematic view of a fourth perspective view of a birch tear picking tool cutting unit according to the present invention;
fig. 12 is a schematic perspective view of a birch tear picking tool collection unit according to the present invention.
Part names and serial numbers in the figure: 1-handle, 101-housing plate, 102-connecting buckle, 103-first connecting plate, 104-first pulley, 105-first fixing rod, 106-fixing frame, 107-second connecting plate, 201-pull rod, 202-pull plate, 203-driving plate, 204-mounting plate, 205-rotating ring, 206-second pulley, 207-first stopper, 208-second stopper, 301-first removing clip, 302-first slide bar, 303-first rope, 304-first reversing pulley block, 305-converting buckle, 306-first elastic piece, 307-transverse plate, 308-second reversing pulley block, 309-second removing clip, 3010-second slide bar, 3011-second rope, 3012-third rope, 3013-second elastic piece, 3014-third elastic piece, 401-mounting buckle, 402-second fixing rod, 403-cloth bag.
Detailed Description
The following describes in detail the preferred embodiments of the present invention with reference to the accompanying drawings. In an embodiment of the invention 306-the first elastic member, 3013-the second elastic member and 3014-the third elastic member are springs.
Example 1
A birch tear picking tool, according to the figures 1-12, comprises a handle 1, a fixing unit, a pulling unit and a cutting unit; the upper part of the handle 1 is connected with a fixing unit; the fixed unit is connected with a pulling unit which is connected with the handle 1; the rear part of the pulling unit is connected with a cutting unit which is connected with a fixing unit.
The working process comprises the following steps: when picking the birch tears, an operator holds the handle 1 by hand, then fixes the device on the birch with the birch tears by the fixing unit, so that the birch tears are under the range of the cutting unit, then pulls the pulling unit, drives the cutting unit to clamp the birch tears and remove the birch tears from the birch by the pulling unit, and finally completes the removal of the birch tears; the invention realizes the removal of the birch tear, the wrapping of the birch tear on the birch is realized by utilizing the lever principle, the birch tear is separated from the birch, the whole birch is not greatly damaged, and meanwhile, the birch tear removal device is designed to be handheld, so that the birch tear removal by a single person is more convenient.
Example 2
On the basis of embodiment 1, according to fig. 1 and 3-11, the fixing unit comprises a grip 1, a housing plate 101, a connecting buckle 102, a first connecting plate 103, a first pulley 104, a first fixing rod 105, a fixing frame 106 and a second connecting plate 107; the upper end of the handle 1 is fixedly connected with a connecting buckle plate 102; the connecting buckle plate 102 is connected with the cutting unit; the upper surface of the connecting buckle plate 102 is symmetrically connected with two shell plates 101 through bolts; the two housing plates 101 are connected to the collecting unit; a first pulley 104 is fixedly connected between the lower parts of the two shell plates 101; the first pulley 104 is connected with the cutting unit; a first connection plate 103 is bolted to the lower rear sides of the two housing plates 101; a second connection plate 107 is bolted to the upper rear sides of the two housing plates 101; a first fixing rod 105 is connected to each of the opposite sides of the two housing plates 101 through bolts; the upper ends of the two first fixing rods 105 are rotatably connected with a fixing frame 106; the holder 106 is connected to the pulling unit.
The fixing frame 106 is provided with a groove.
The pulling unit comprises a pull rod 201, a pull plate 202, a transmission plate 203, a mounting plate 204, a rotating ring 205, a second pulley 206, a first limiting block 207 and a second limiting block 208; a pull rod 201 is arranged in the grip 1; the upper part of the pull rod 201 is fixedly connected with a pull plate 202; the upper part of the pulling plate 202 is connected with a transmission plate 203 through bolts; the pulling plate 202 is in contact with the first pulley 104; the transmission plate 203 is connected with the cutting unit; a second limiting block 208 is connected to the upper portion of the transmission plate 203 through bolts; the second limiting block 208 is connected with the cutting unit; the front part of the second limiting block 208 is connected with a mounting plate 204 through bolts; a rotating ring 205 is connected to the upper part of the mounting plate 204 through bolts; the rotating ring 205 is connected with the fixed frame 106; a first limiting block 207 is connected to the lower portion of the transmission plate 203 of the first fixed rod 105 through bolts; the first limiting block 207 is connected with the cutting unit; a second pulley 206 is fixedly connected to the rear side of the middle part of the pull plate 202, and the second pulley 206 is positioned below the first pulley 104; the second pulley 206 is connected to the cutting unit.
The inner surface of the rotating ring 205 is provided with a bump, and the position of the bump corresponds to the position of the groove formed on the fixing frame 106.
The cutting unit comprises a first cutting clamp 301, a first sliding rod 302, a first rope 303, a first reversing pulley block 304, a conversion buckle 305, a first elastic piece 306, a transverse plate 307, a second reversing pulley block 308, a second cutting clamp 309, a second sliding rod 3010, a second rope 3011, a third rope 3012, a second elastic piece 3013 and a third elastic piece 3014; the rear part of the first limiting block 207 is symmetrically and slidingly connected with two first sliding rods 302; the outer surfaces of the two first sliding rods 302 are respectively sleeved with a second elastic piece 3013; a first cutting clip 301 is fixedly connected to the upper ends of the two first slide bars 302; the first cutting clip 301 is in contact with the first stopper 207; the second elastic piece 3013 is in contact with the first stopper 207; two second slide bars 3010 are symmetrically and slidably connected to the rear part of the second limiting block 208; the outer surfaces of the two second slide bars 3010 are respectively sleeved with a third elastic piece 3014; a second cutting clip 309 is fixedly attached to the lower ends of the two second slide bars 3010; a transverse plate 307 is fixedly connected to the rear side surface of the transmission plate 203; the lower rear side of the transverse plate 307 is provided with a first reversing pulley block 304; a second reversing pulley block 308 is mounted on the upper rear side of the transverse plate 307; a first rope 303 is wound on the first reversing pulley block 304; the first cord 303 is fixedly connected with the first cutting clip 301; a second rope 3011 is wound on the second diverting pulley pack 308; second cord 3011 is affixed to second excision clamp 309; the lower ends of the first rope 303 and the second rope 3011 are fixedly connected with a conversion buckle 305; a third rope 3012 is fixedly connected to the lower end of the conversion buckle 305; the third rope 3012 is in contact with the underside of the first sheave 104; the third rope 3012 is in contact with the upper side of the second pulley 206; the lower end of the third rope 3012 is fixedly connected to a first elastic member 306; the first elastic member 306 is connected to the connection buckle 102.
A plurality of cutting teeth are provided on each of the first cutting clip 301 and the second cutting clip 309.
The working process comprises the following steps: in use, an operator holds the handle 1, fixes the whole device on a birch by using the fixing frame 106, covers the birch tear between the first cutting clamp 301 and the second cutting clamp 309, then holds the handle 1 first, pulls the pull rod 201 away from the birch by one hand, then turns the pull rod 201 to drive the pull plate 202, the transmission plate 203, the mounting plate 204 and the rotating ring 205 by taking the fixing frame 106 as a fulcrum, and turns the fixing frame 106 slightly by the rotating ring 205, so that friction between the fixing frame 106 and the birch is increased, the device can be fixed on the birch more firmly, the second pulley 206 pulls the third rope 3012 to move away from the birch during turning, the third rope 3012 pulls the first rope 303 and the second rope 3011, so that the first rope 303 pulls the first cutting clamp 301 to move upwards, and the second rope 3011 pulls the second cutting clamp 309 to move downwards, the first and second cutting clips 301, 309 then cooperate to clamp the birch tear, while the pulling plate 202, the driving plate 203, the mounting plate 204, and the rotating ring 205 cooperate to drive the first cutting clip 301, the first slide bar 302, the first cord 303, the first diverting pulley block 304, the shift button 305, the cross plate 307, the second diverting pulley block 308, the second cutting clip 309, the second slide bar 3010, the second cord 3011, the third cord 3012, the second elastic member 3013, and the third elastic member 3014, respectively, to flip away from the birch with the anchor 106 as a fulcrum, and then the first cutting clip 301 and the second cutting clip 309 cooperate to pull the birch tear from the birch to complete the cutting operation, and then remove the device from the birch, the operator resets the pulling bar 201, the first cutting clip 301 resets with the compressed second elastic member 3013, similarly, the second cutting clip 309 is reset by the compressed third elastic member 3014, and finally the birch tears falling after the first cutting clip 301 and the second cutting clip 309 are reset enter the storage device, so as to complete the collection of the birch tears; the mechanism realizes the extirpation and collection of birch tears.
Example 3
On the basis of embodiment 2, according to fig. 1 and 12, the collecting unit includes a mounting buckle 401, a second fixing rod 402 and a cloth bag 403; each of the opposite sides of the two housing plates 101 is bolted with a mounting buckle 401; a second fixing rod 402 is rotatably connected to each of the two mounting buckles 401; a cloth bag 403 is arranged between the two second fixing bars 402.
The rear ends of the two second fixing bars 402 are each provided with a movable plate for adapting to the size of birch.
The working process comprises the following steps: when the birch tears are removed, the fallen dander and the broken slag of the birch tears around the birch tears fall downwards into the cloth bag 403 along the birch trunk to be collected, so that the dander and the broken slag are prevented from being splashed into eyes to be injured by manual removal by an axe, and finally the dander and the broken slag are poured into the collecting equipment by an operator; the mechanism realizes the collection of falling bark scraps and birch tear scraps.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (4)
1. A birch tear picking tool comprises a handle; the device is characterized by further comprising a fixing unit, a pulling unit and a cutting unit; the upper part of the grip is connected with a fixing unit which is used for being fixed on the birch; the fixed unit is connected with a pulling unit which is connected with the handle and is used for providing power for removing birch tears; the rear part of the pulling unit is connected with a cutting unit, the cutting unit is connected with the fixing unit, and the cutting unit is used for cutting birch tears;
the fixing unit comprises a shell plate, a connecting buckle plate, a first connecting plate, a first pulley, a first fixing rod, a fixing frame and a second connecting plate; the upper end of the handle is fixedly connected with a connecting buckle plate; the connecting buckle plate is connected with the cutting unit; two shell plates are symmetrically and fixedly connected to the upper surface of the connecting buckle plate; the two shell plates are connected with the collecting unit; a first pulley is fixedly connected between the lower parts of the two shell plates; the first pulley is connected with the cutting unit; the rear sides of the lower parts of the two shell plates are fixedly connected with a first connecting plate; the rear sides of the upper parts of the two shell plates are fixedly connected with a second connecting plate; the opposite sides of the two shell plates are fixedly connected with a first fixing rod respectively; the upper ends of the two first fixing rods are rotatably connected with a fixing frame; the fixing frame is connected with the pulling unit;
the fixing frame is provided with a groove;
the pulling unit comprises a pull rod, a pull plate, a transmission plate, a mounting plate, a rotating ring, a second pulley, a first limiting block and a second limiting block; a pull rod is arranged in the handle; the upper part of the pull rod is fixedly connected with a pull plate; the upper part of the pulling plate is fixedly connected with a transmission plate; the pulling plate is contacted with the first pulley; the transmission plate is connected with the cutting unit; the upper part of the transmission plate is fixedly connected with a second limiting block; the second limiting block is connected with the cutting unit; the front part of the second limiting block is fixedly connected with a mounting plate; the upper part of the mounting plate is fixedly connected with a rotating ring; the rotating ring is connected with the fixed frame; the lower part of the first fixed rod transmission plate is fixedly connected with a first limiting block; the first limiting block is connected with the cutting unit; the rear side of the middle part of the pulling plate is fixedly connected with a second pulley, and the second pulley is positioned below the first pulley; the second pulley is connected with the cutting unit;
the inner surface of the rotating ring is provided with a lug, and the position of the lug corresponds to the position of a groove formed in the fixing frame;
the cutting unit comprises a first cutting clamp, a first sliding rod, a first rope, a first reversing pulley block, a conversion buckle, a first elastic piece, a transverse plate, a second reversing pulley block, a second cutting clamp, a second sliding rod, a second rope, a third rope, a second elastic piece and a third elastic piece; the rear part of the first limiting block is symmetrically and slidably connected with two first sliding rods; the outer surfaces of the two first sliding rods are respectively sleeved with a second elastic piece; the upper ends of the two first sliding rods are fixedly connected with a first cutting clamp; the first cutting clamp is contacted with the first limiting block; the second elastic piece is contacted with the first limiting block; the rear part of the second limiting block is symmetrically and slidably connected with two second sliding rods; the outer surfaces of the two second sliding rods are respectively sleeved with a third elastic piece; the lower ends of the two second slide bars are fixedly connected with a second excision clamp; the rear side surface of the transmission plate is fixedly connected with a transverse plate; the rear side of the lower part of the transverse plate is provided with a first reversing pulley block; the rear side of the upper part of the transverse plate is provided with a second reversing pulley block; a first rope is wound on the first reversing pulley block; the first rope is fixedly connected with the first cutting clamp; a second rope is wound on the second reversing pulley block; the second rope is fixedly connected with the second excision clamp; the lower ends of the first rope and the second rope are fixedly connected with a conversion buckle; the lower end of the conversion buckle is fixedly connected with a third rope; the third rope is contacted with the lower part of the first pulley; the third rope is contacted with the upper part of the second pulley; the lower end of the third rope is fixedly connected with a first elastic piece; the first elastic piece is connected with the connecting buckle plate.
2. The birch tear picking tool of claim 1, wherein the first and second cutting clips are each provided with a plurality of cutting teeth.
3. The birch tear picking tool according to claim 2, wherein the collecting unit comprises a mounting buckle, a second fixing rod and a cloth bag; the opposite sides of the two shell plates are fixedly connected with a mounting buckle respectively; the two mounting buckles are respectively connected with a second fixing rod in a rotating way; a cloth bag is arranged between the two second fixing rods.
4. A birch tear picking tool as claimed in claim 3 wherein the rear ends of the two second fixed bars are each provided with a movable plate for accommodating birch sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210144567.0A CN114514868B (en) | 2022-02-17 | 2022-02-17 | Birch tear picking tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210144567.0A CN114514868B (en) | 2022-02-17 | 2022-02-17 | Birch tear picking tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114514868A CN114514868A (en) | 2022-05-20 |
| CN114514868B true CN114514868B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210144567.0A Active CN114514868B (en) | 2022-02-17 | 2022-02-17 | Birch tear picking tool |
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| CN (1) | CN114514868B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190413957A (en) * | 1904-06-20 | 1904-07-21 | John Kerwin Stewart | Improvements in Hand Directed Tools and Apparatus for Actuating the same |
| DD240326A1 (en) * | 1985-08-21 | 1986-10-29 | Staatlicher Forstwirtschafts B | RESIN PLANE |
| JPH0681226U (en) * | 1993-04-30 | 1994-11-22 | 株式会社共立 | Pruning machine |
| US7913403B1 (en) * | 2006-06-08 | 2011-03-29 | Peter Douglas Willetts | Reciprocating pruning saw |
| US8961051B2 (en) * | 2012-12-17 | 2015-02-24 | King Saud University | Device for tapping and inoculating trees |
| CN105705004B (en) * | 2013-11-08 | 2018-08-14 | 胡斯华纳有限公司 | Pruning tool |
| CN111528040B (en) * | 2020-05-19 | 2023-05-26 | 江西农业大学 | Intelligent self-adaptation pine resin sampling groove cutting device |
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2022
- 2022-02-17 CN CN202210144567.0A patent/CN114514868B/en active Active
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Effective date of registration: 20230629 Address after: 400000 Science and Technology Enterprise Incubation Park, Shuanggui Subdistrict, Liangping District, Chongqing (independent commitment) Applicant after: Chongqing Jingyu Forestry Development Co.,Ltd. Address before: 712000 Room 501, West unit, family building, Xilan office, Renmin West Road, Qindu District, Xianyang City, Shaanxi Province Applicant before: Yan Yanfang |
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