GB2447303A - Gardening shears having energy saving function - Google Patents
Gardening shears having energy saving function Download PDFInfo
- Publication number
- GB2447303A GB2447303A GB0708954A GB0708954A GB2447303A GB 2447303 A GB2447303 A GB 2447303A GB 0708954 A GB0708954 A GB 0708954A GB 0708954 A GB0708954 A GB 0708954A GB 2447303 A GB2447303 A GB 2447303A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slide
- support seats
- accordance
- gardening shears
- rotation arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/08—Means for actuating the cutting member to effect the cut
- B26D5/10—Hand or foot actuated means
-
- 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
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/02—Secateurs; Flower or fruit shears
- A01G3/025—Secateurs; Flower or fruit shears having elongated or extended handles
- A01G3/0255—Tree pruners, i.e. pruning shears carried at the end of a pole
-
- 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
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/08—Other tools for pruning, branching or delimbing standing trees
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B13/00—Hand shears; Scissors
- B26B13/26—Hand shears; Scissors with intermediate links between the grips and the blades, e.g. for remote actuation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Scissors And Nippers (AREA)
Abstract
The gardening shears include two support seats 10 spaced from each other, and an anvil 20, a slide 40 and rotation arm 50 mounted between the support seats 10. The slide 40 has a cutting blade 41 that is movable relative to the anvil 20. The pivotally mounted arm 50 moves the slide 40 relative to the anvil 20 by when it 50 rotates. Preferably the slide 40 includes an elongate slot 42 and a rack 43 which is moved by a gear 52 on the pivoting 51 arm 50. Preferably the sliding blade secateurs also include a spring 60.
Description
GARDENING SHEARS HAVING ENERGi-,iiN1NU FUNCTION The present invention
relates to a cutting tool for gardening purposes arid, more particularly, to a pair of gardening shears for shearing a plant.
A gardening cutting tooi, such as a pair of energy-saving gardening shears, is used to cut or shear a plant, such as the branches of a tree, in an energy-saving manner, thereby facilitating a user operating the gardening cutting tool. However, the conventional gardening cutting tool has a very complicated construction, thereby greatly increasing the costs of fabrication and assembly.
In accordance with the present invention, there is provided a pair of gardening shears, comprising two support seats spaced from each other, an anvil mounted between the support seats, a slide movably mounted between the support seats and having a first end formed with a cutting blade that is movable relative to the anvil, and a rotation arm pivotally mounted between the support seats and connected to the slide to move the slide relative to the anvil by rotation of the rotation arm.
The primary objective of the present invention is to provide a pair of gardening shears having an energy-saving function.
Another objective of the present invention is to provide a pair of gardening shears, wherein the gardening shears comprise two support seats, an anvil, a slide, a rotation arm, and a restoring spring so that the gardening shears have a simplified construction, thereby decreasing the costs of fabrication and assembly.
A further objective of the present invention is to provide a pair of gardening shears, wherein the drive handle of the rotation arm drives the drive gear portion of the rotation arm by a leverage action to move the driven rack of the slide, so that the rotation arm produces a two-stage drive force on the slide to drive the cutting blade of the slide to move toward the anvil in an energy-saving manner, thereby greatly facilitating a user operating the gardening shears.
Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
In the drawings: Fig. 1 is a perspective view of a pair of gardening shears in accordance with the preferred embodiment of the present invention.
Fig. 2 is an exploded perspective view of the gardening shears as shown in Fig. 1.
Fig. 3 is a partially side view of the gardening shears as shown in Fig. 1.
Fig. 4 is a schematic operational view of the gardening shears as shown in Fig. 1.
Fig. 5 is a schematic operational view of the gardening shears as shown in Fig. 4.
Fig. 6 is a side view of the gardening shears as shown in Fig. 5.
Referring to the drawings and initially to Figs. 1-3, a pair of gardening shears in accordance with the preferred embodiment of the present invention comprise two support seats 10 spaced from each other, an anvil 20 mounted between the support seats 10, a slide 40 movably mounted between the support seats 10 and having a first end formed with a cutting blade 41 that is movable relative to the anvil 20, a rotation arm 50 pivotally mounted between the support seats 10 and connected to the slide 40 to move the slide 40 relative to the anvil 20 by rotation of the rotation arm 50, two support plates 30 located between the support seats 10 and rested on the slide 40 and the rotation arm 50 so that the slide 40 and the rotation arm 50 are located between the support plates 30, and a restoring spring 60 biased between the support seats 10 and the slide 40 to pull the cutting blade 41 of the slide 40 to space from the anvil 20.
Each of the support seats 10 has an upper end 13 formed with an opening 12 in which the cutting blade 41 of the slide 40 is movable, a middle portion formed with two spaced positioning holes 11, a through hole 14 and a fixing hole 16, and a lower end formed with a connecting portion 15 mounted on a handle 19. A receiving space 18 is defined between the support seats 10 to receive the anvil 20, the slide 40, the rotation arm 50, the restoring spring 60 and the support plates 30.
The anvil 20 is mounted between the upper ends 13 of the support seats 10 and located above the opening 12 of each of the support seats 10 and the cutting blade 41 of the slide 40.
The slide 40 has a second end formed with an elongated guide slot 42 and has a side formed with an elongated driven rack 43. Each of the guide slot 42 and the driven rack 43 of the slide 40 is extended in an axial direction of the slide 40. The guide slot 42 of the slide 40 is parallel with the driven rack 43.
The first end of the slide 40 is formed with a fixing bore 44 located under the cutting blade 41.
The restoring spring 60 has a first end fixed in the fixing bore 44 of the slide 40, and the gardening shears further comprise a fixing member 17 extended through the fixing hole 16 of each of the support seats 10 and a second end of the restoring spring 60 to attach the second end of the restoring spring 60 to the support seats 10.
The gardening shears further comprise two guide members 70 each extended through a respective positioning hole 11 of each of the support seats and the guide slot 42 of the slide 40 so that the guide slot 42 of the slide 40 is slidable on the guide members 70 to guide movement of the slide 40.
The rotation arm 50 has a first end pivotally mounted between the support seats 10 and formed with a drive gear portion 52 meshing with the driven rack 43 of the slide 40 and a second end formed with a drive handle 53.
The first end of the rotation arm 50 is formed with a pivot hole 51, and the drive gear portion 52 of the rotation arm 50 is substantially arc-shaped and is pivotable about the pivot hole 51.
The gardening.shears further comprise a pivot member 80 extended through the through hole 14 of each of the support seats 10 and the pivot hole 51 of the rotation arm 50 so that the rotation arm 50 is pivotable about the pivot member 80 and the drive gear portion 52 of the rotation arm 50 is pivotable about the pivot member 80.
Each of the support plates 30 is formed with two spaced positioning bores 31 to allow passage of the guide members 70 and a through bore 32 to allow passage of the pivot member 80.
In operation, a plant to be cut is received into the opening 12 of each of the support seats 10 and located between the cuffing blade 41 of the slide 40 and the anvil 20.
As shown in Fig. 4, the drive handle 53 of the rotation arm 50 is movable outwardly and downward relative to the support seats 10 to rotate the drive gear portion 52 of the rotation arm 50 about the pivot member 80 by a leverage action to move the driven rack 43 of the slide 40 upward, so that the cutting blade 41 of the slide 40 is movable toward the anvil 20 by rotation of the rotation arm 50. At this time, the guide slot 42 of the slide 40 is slidable on the guide members 70 to guide movement of the slide 40.
As shown in Figs. 5 and 6, the cutting blade 41 of the slide 40 is movable to rest on the anvil 20 so as to cut the plant. After the force applied on the drive handle 53 of the rotation arm 50 is removed, the cutting blade 41 of the slide 40 is movable to space from the anvil 20 by the restoring force of the restoring spring 60.
Accordingly, the gardening shears comprise two support seats 10, an anvil 20, a slide 40, a rotation arm 50, and a restoring spring 60 so that the gardening shears have a simplified construction, thereby decreasing the costs of fabrication and assembly. In addition, the drive handle 53 of the rotation arm 50 drives the drive gear portion 52 of the rotation arm 50 by a leverage action to move the driven rack 43 of the slide 40, so that the rotation arm 50 produces a two-stage drive force on the slide 40 to drive the cutting blade 41 of the slide to move toward the anvil 20 in an energy-saving manner, thereby greatly facilitating a user operating the gardening shears.
Although the invention has been explained in relation to its preferred embodiment(s) as mentioned above, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the present invention. It is, therefore, contemplated that the appended claim or claims will cover such modifications and variations that fall within the true scope of the invention.
Claims (18)
1. A pair of gardening shears, comprising: two support seats spaced from each other; an anvil mounted between the support seats; a slide movably mounted between the support seats and having a first end formed with a cutting blade that is movable relative to the anvil; a rotation arm pivotally mounted between the support seats and connected to the slide to move the slide relative to the anvil by rotation of the rotation arm.
2. The gardening shears in accordance with claim 1, wherein each of the support seats has a side formed with an elongated driven rack, and the rotation arm has a first end pivotally mounted between the support seats and formed with a drive gear portion meshing with the driven rack of the slide.
3. The gardening shears in accordance with claim 2, wherein the rotation arm has a second end formed with a drive handle.
4. The gardening shears in accordance with claim 2, wherein each of the support seats has a middle portion formed with two spaced positioning holes, the slide has a second end formed with an elongated guide slot, and the gardening shears further comprise two guide members each extended through a respective positioning hole of each of the support seats and the guide slot of the slide so that the guide slot of the slide is slidable on the guide members to guide movement of the slide.
5. The gardening shears in accordance with claim 1, further comprising a restoring spring biased between the support seats and the slide to pull the cutting blade of the slide to space from the anvil.
6. The gardening shears in accordance with claim 1, wherein each of the support seats has an upper end formed with an opening in which the cutting blade of the slide is movable.
7. The gardening shears in accordance with claim 1, wherein each of the support seats has a lower end formed with a connecting portion mounted on a handle.
8. The gardening shears in accordance with claim 1, wherein a receiving space is defined between the support seats to receive the anvil, the slide and the rotation arm.
9. The gardening shears in accordance with claim 5, wherein a receiving space is defined between the support seats to receive the restoring spring.
10. The gardening shears in accordance with claim 6, wherein the anvil is mounted between the upper ends of the support seats and located above the opening of each of the support seats and the cutting blade of the slide.
11. The gardening shears in accordance with claim 4, wherein each of the guide slot and the driven rack of the slide is extended in an axial direction of the slide.
12. The gardening shears in accordance with claim 4, wherein the guide slot of the slide is parallel with the driven rack.
13. The gardening shears in accordance with claim 2, wherein each of the support seats has a middle portion formed with a through hole, the first end of the rotation arm is formed with a pivot hole, and the gardening shears further comprise a pivot member extended through the through hole of each of the support seats and the pivot hole of the rotation arm so that the rotation arm is pivotable about the pivot member, arid the drive gear portion of the rotation arm is pivotable about the pivot member.
14. The gardening shears in accordance with claim 5, wherein each of the support seats has a middle portion formed with a fixing hole, the first end of the slide is formed with a fixing bore located under the cutting blade, the restoring spring has a first end fixed in the fixing bore of the slide, and the gardening shears further comprise a fixing member extended through the fixing hole of each of the support seats and a second end of the restoring spring to attach the second end of the restoring spring to the support seats.
15. The gardening shears in accordance with claim 2, wherein the drive gear portion of the rotation arm is substantially arc-shaped.
16. The gardening shears in accordance with claim 13, wherein the drive gear portion of the rotation arm is pivotable about the pivot hole.
17. The gardening shears in accordance with claim 4, further comprising two support plates located between the support seats and rested on the slide so that the slide is located between the support plates, wherein each of the support plates is formed with two spaced positioning bores to allow passage of the guide members.
18. A pair of shears substantially as hereinbefore described with reference to and as shown in the accompanying drawings.
18. The gardening shears in accordance with claim 13, further comprising two support plates located between the support seats and rested on the rotation arm so that the rotation arm is located between the support plates, wherein each of the support plates is formed with a through bore to allow pss age of the pivot member.
19. The gardening shears in accordance with claim 17, wherein a receiving space is defined between the support seats to receive the support plates.
20. The gardening shears in accordance with claim 3, wherein the drive handle of the rotation arm is movable outwardly and downward relative to the support seats to rotate the drive gear portion of the rotation arm about the pivot member by a leverage action to move the driven rack of the slide, so that the cutting blade of the slide is movable toward the anvil by rotation of the rotation arm.
21. A pair of shears substantially as hereinbefore described with reference to and as shown in the accompanying drawings. I0
Amended claims have been filed as follows:
1. A pair of gardening shears comprising: two support seats spaced from each other; an anvil mounted between the support seats; a slide movably mounted between the support seats and having a first end formed with a cutting blade that is movable relative to the anvil; a rotation arm pivotally mounted between the support seats and connected to the slide to move the slide relative to the anvil by rotation of the rotation arm, the slide having a side formed with an elongated driven rack, and the rotation arm having first and second ends, the first end being pivotally mounted between the support seats and formed with a drive gear portion meshing with the driven rack of the slide and the second end being formed as a drive handle, each of the support seats having a middle portion formed with two spaced positioning holes, the slide having a second end formed with an elongated guide slot, and two guide members each extending through a respective positioning hole of one of the support seats and through the guide so that the guide slot of the slide is slidable on the guide members to guide movement of the slide.
2. The gardening shears in accordance with claim I, further comprising a restoring spring acting between the support seats and the slide to pull the cutting blade of the slide away from the anvil.
3. The gardening shears in accordance with claim 1, wherein each of the support seats has an upper end formed with an opening in which the cutting blade of the slide is movable.
4. The gardening shears in accordance with claim 1, wherein each of the support seats has a lower end formed with a connecting portion mounted on a handle.
5. The gardening shears in accordance with claim 1, wherein a receiving space is defined between the support seats to receive the anvil, the slide and the rotation arm.
6. The gardening shears in accordance with claim 2, wherein a receiving space is defined between the support seats to receive the restoring spring.
7. The gardening shears in accordance with claim 3, wherein the anvil is mounted between the upper ends of the support seats and is located above the opening of each of the support seats and the cutting blade of the slide.
8. The gardening shears in accordance with claim 1, wherein the guide slot and the driven rack of the slide each extend in an axial direction of the slide.
9. The gardening shears in accordance with claim 1, wherein the guide slot of the slide is parallel with the driven rack.
10. The gardening shears in accordance with claim 1, wherein each of the support seats has a middle portion formed with a through hole, the first end of the rotation arm is formed with a pivot hole, and wherein a pivot member extends through the through hole of each of the support seats and through the pivot hole of the rotation arm so that the rotation arm is pivotable about the pivot member and the drive gear portion of the rotation arm is pivotable about the pivot member.
11. The gardening shears in accordance with claim 2, wherein each of the support seats has a middle portion formed with a fixing hole, the first end of the slide is formed with a fixing bore located under the cutting blade, the restoring spring has a first end fixed in the fixing bore of the slide, and the gardening shears further comprise a fixing member extending through the fixing hole of each of the support seats and a second end of the restoring spring to attach the second end of the restoring spring to the support seats.
12. The gardening shears in accordance with claim 1, wherein the drive gear portion of the rotation arm is substantially arc-shaped.
13. The gardening shears in accordance with claim 10, wherein the drive gear portion of the rotation arm is pivotable about the pivot hole.
14. The gardening shears in accordance with claim 1, further comprising two support plates located between the support seats and resting on * the slide so that the slide is located between the support plates, and wherein each of the support plates is formed with two spaced positioning bores to allow passage of the guide members.
15. The gardening shears in accordance with claim 10, further comprising two support plates located between the support seats and resting on the rotation arm so that the rotation arm is located between the support plates, wherein each of the support plates is formed with a through bore to allow passage of the pivot member.
16. The gardening shears in accordance with claim 14, wherein a receiving space is defined between the support seats to receive the support plates.
17. The gardening shears in accordance with claim 1, wherein the drive handle of the rotation arm is movable outwardly and downward relative to the support seats to rotate the drive gear portion of the rotation arm about the pivot member by a leverage action to move the driven rack of the slide, so that the cutting blade of the slide is moved toward the anvil by rotation of the rotation arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0708954A GB2447303B (en) | 2007-05-10 | 2007-05-10 | Gardening shears having an energy-saving function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0708954A GB2447303B (en) | 2007-05-10 | 2007-05-10 | Gardening shears having an energy-saving function |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB0708954D0 GB0708954D0 (en) | 2007-06-20 |
| GB2447303A true GB2447303A (en) | 2008-09-10 |
| GB2447303B GB2447303B (en) | 2009-09-23 |
Family
ID=38219133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0708954A Expired - Fee Related GB2447303B (en) | 2007-05-10 | 2007-05-10 | Gardening shears having an energy-saving function |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2447303B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2478175A (en) * | 2010-11-24 | 2011-08-31 | Ho Cheng Garden Tools Co Ltd | Pruning hook with toothed engagement |
| GB2483480A (en) * | 2010-09-09 | 2012-03-14 | Ho Cheng Garden Tools Co Ltd | Pruning hook |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098869B (en) * | 2017-12-29 | 2023-06-06 | 德路通（石家庄）生物科技有限公司 | Needle shearing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB857015A (en) * | 1958-09-11 | 1960-12-29 | Thomas Frederick Herbert Bigg | Improvements in and relating to horticultural knives and pruning knives |
| GB1304082A (en) * | 1969-08-06 | 1973-01-24 | ||
| GB2061166A (en) * | 1979-10-24 | 1981-05-13 | Stanley Garden Tools Ltd | Garden secateurs |
-
2007
- 2007-05-10 GB GB0708954A patent/GB2447303B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB857015A (en) * | 1958-09-11 | 1960-12-29 | Thomas Frederick Herbert Bigg | Improvements in and relating to horticultural knives and pruning knives |
| GB1304082A (en) * | 1969-08-06 | 1973-01-24 | ||
| GB2061166A (en) * | 1979-10-24 | 1981-05-13 | Stanley Garden Tools Ltd | Garden secateurs |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2483480A (en) * | 2010-09-09 | 2012-03-14 | Ho Cheng Garden Tools Co Ltd | Pruning hook |
| GB2483480B (en) * | 2010-09-09 | 2012-10-17 | Ho Cheng Garden Tools Co Ltd | Pruning hook performing a shearing action step by step |
| GB2478175A (en) * | 2010-11-24 | 2011-08-31 | Ho Cheng Garden Tools Co Ltd | Pruning hook with toothed engagement |
| GB2478175B (en) * | 2010-11-24 | 2012-08-01 | Ho Cheng Garden Tools Co Ltd | Pruning hook with toothed engagement |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2447303B (en) | 2009-09-23 |
| GB0708954D0 (en) | 2007-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20150510 |