IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0054972
(2005-02-10)
|
등록번호 |
US-7370423
(2008-05-13)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Ho Cheng Garden Tools Co., Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
5 |
초록
▼
A pair of long-arm gardening shears include a main body, a first casing, a second casing, a cutting blade assembly, a retaining member, a push button, and a spring. Thus, the angle between the cutting blade assembly and the main body is adjusted so that the length of the long-arm gardening shears is
A pair of long-arm gardening shears include a main body, a first casing, a second casing, a cutting blade assembly, a retaining member, a push button, and a spring. Thus, the angle between the cutting blade assembly and the main body is adjusted so that the length of the long-arm gardening shears is adjusted, thereby facilitating a user operating the long-arm gardening shears to shear the lawn at a lower height and the branches at a higher level. In addition, the use only needs to press the push button so as to rotate the cutting blade assembly and to release the push button so as to lock the cutting blade assembly, thereby facilitating the user adjusting the angles of the long-arm gardening shears.
대표청구항
▼
What is claimed is: 1. A pair of long-arm gardening shears, comprising: a main body having an end portion provided with a pivot seat; a first casing rotatably mounted on the main body and having an inside formed with a pivot hole pivotally mounted on the pivot seat of the main body; a second casing
What is claimed is: 1. A pair of long-arm gardening shears, comprising: a main body having an end portion provided with a pivot seat; a first casing rotatably mounted on the main body and having an inside formed with a pivot hole pivotally mounted on the pivot seat of the main body; a second casing rotatably mounted on the main body and combined with the first casing; a cutting blade assembly secured on the first casing and the second casing; a retaining member secured on the first casing and having an inside formed with a through hole having a periphery provided with a plurality of engaging grooves; a push button movably mounted in the retaining member and having a first side provided with a catch block received in the pivot hole of the first casing and a second side having a periphery provided with a plurality of engaging teeth detachably engaged with the engaging grooves of the retaining member; and a spring biased between the first casing and the push button to push the push button toward the retaining member to engage the engaging teeth of the push button with the engaging grooves of the retaining member, so that the push button is detachably secured on the retaining member. 2. The long-arm gardening shears in accordance with claim 1, wherein the pivot seat of the main body is substantially C-shaped. 3. The long-arm gardening shears in accordance with claim 1, wherein the pivot seat of the main body has an opening formed with a first stop portion and a second stop portion. 4. The long-arm gardening shears in accordance with claim 3, wherein the catch block of the push button is located between the first stop portion and the second stop portion of the pivot seat of the main body and has a first end formed with a first catch portion that is movable to abut the first stop portion of the pivot seat of the main body and a second end formed with a second catch portion that is movable to abut the second stop portion of the pivot seat of the main body. 5. The long-arm gardening shears in accordance with claim 1, wherein the pivot seat of the main body has a side formed with an extension extending outward therefrom and pivotally mounted in and flush with the pivot hole of the first casing. 6. The long-arm gardening shears in accordance with claim 1, wherein the main body has a central portion provided with a link extending outward from the end portion thereof, and the cutting blade assembly includes two cutting blades, and a drive chain having a first end connected to the link and a second end connected to the two cutting blades to drive the two cutting blades to operate. 7. The long-arm gardening shears in accordance with claim 1, wherein the pivot hole of the first casing is substantially C-shaped. 8. The long-arm gardening shears in accordance with claim 1, wherein the first casing has a spring seat located in the pivot hole, the push button has an inside formed with a receiving recess, and the spring has a first end received in the spring seat of the first casing and a second end received in the receiving recess of the push button. 9. The long-arm gardening shears in accordance with claim 1, wherein the first casing has a side formed with a cutout. 10. The long-arm gardening shears in accordance with claim 1, wherein the first casing has an end portion provided with a connecting portion having an inside formed with a passage, the second casing has an end portion provided with a connecting portion having an inside formed with a passage, and the cutting blade assembly is mounted on the connecting portion of the first casing and the connecting portion of the second casing. 11. The long-arm gardening shears in accordance with claim 1, wherein the second casing has an inside formed with a pivot hole pivotally mounted on the pivot seat of the main body. 12. The long-arm gardening shears in accordance with claim 11, wherein the pivot hole of the second casing is substantially C-shaped. 13. The long-arm gardening shears in accordance with claim 11, wherein the pivot seat of the main body is pivotally mounted in the pivot hole of the first casing and the pivot hole of the second casing, so that the first casing, the second casing, the cutting blade assembly and the retaining member are rotatable relative to the pivot seat of the main body. 14. The long-arm gardening shears in accordance with claim 1, wherein the second casing has a side formed with a cutout. 15. The long-arm gardening shears in accordance with claim 1, wherein the catch block of the push button is substantially sector-shaped. 16. The long-arm gardening shears in accordance with claim 1, wherein the catch block of the push button is rested on the pivot seat of the main body. 17. The long-arm gardening shears in accordance with claim 1, wherein the second side of the push button has a central portion provided with a press portion movably mounted in and protruded outward from the through hole of the retaining member.
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