CA2303582C - Shears - Google Patents
Shears Download PDFInfo
- Publication number
- CA2303582C CA2303582C CA002303582A CA2303582A CA2303582C CA 2303582 C CA2303582 C CA 2303582C CA 002303582 A CA002303582 A CA 002303582A CA 2303582 A CA2303582 A CA 2303582A CA 2303582 C CA2303582 C CA 2303582C
- Authority
- CA
- Canada
- Prior art keywords
- lug
- handle
- pair
- shaft
- main handle
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B17/00—Hand cutting tools, i.e. with the cutting action actuated by muscle power with two jaws which come into abutting contact
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D29/00—Hand-held metal-shearing or metal-cutting devices
- B23D29/02—Hand-operated metal-shearing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25G—HANDLES FOR HAND IMPLEMENTS
- B25G1/00—Handle constructions
- B25G1/06—Handle constructions reversible or adjustable for position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Scissors And Nippers (AREA)
- Cookers (AREA)
- Percussive Tools And Related Accessories (AREA)
- Knives (AREA)
Abstract
A pair of shears 20 has a pair of blades 40, a main handle 22, an auxiliary handle 39, a lug 28, and a shaft 21.
The lug 28 is connected to the auxiliary handle 39. The shaft 21 is disposed on a bottom of the lug 28. The shaft 21 has an insertion groove 24. The lug 28 has a circular aperture 33. The main handle 22 has a protection bow 35, a hollow interior 36, an upper recess 31 receiving a spring 32, a round hole 221 formed on an upper portion of the main handle 22 and receiving the shaft 21, and a circular hole 222 communicating with the round hole 221. A bolt 23 is inserted in the insertion groove 24 via the circular hole 222. A rod 34 has a lower end inserted in the upper recess 31 and an upper end inserted in the circular aperture 33.
The lug 28 is connected to the auxiliary handle 39. The shaft 21 is disposed on a bottom of the lug 28. The shaft 21 has an insertion groove 24. The lug 28 has a circular aperture 33. The main handle 22 has a protection bow 35, a hollow interior 36, an upper recess 31 receiving a spring 32, a round hole 221 formed on an upper portion of the main handle 22 and receiving the shaft 21, and a circular hole 222 communicating with the round hole 221. A bolt 23 is inserted in the insertion groove 24 via the circular hole 222. A rod 34 has a lower end inserted in the upper recess 31 and an upper end inserted in the circular aperture 33.
Description
TITLE: SHEARS
The present invention relates to a pair of shears.
More particularly, the present invention relates to a pair of shears which has a main handle to be rotated and returned to its original direction.
05 Referring to FIG. 1, a pair of conventional shears comprises a pair of blades 18, a main handle 12, an auxiliary handle 17, a lug 15, and a shaft 11. The lug 15 is connected to the auxiliary handle 17. The lug 15 has a blocking flange 151. The pair of blades 18 are disposed 10 on the lug 15 and the auxiliary handle 17. The shaft 11 is disposed on a bottom of the lug 15. The shaft 11 has an annular groove 14. The main handle 12 has a protuded block 16, a round hole 121 receiving the shaft 11, and a circular hole 122 communicating with the round hole 121.
A bolt 13 is inserted in the annular groove 14 via the circular hole 122. The protuded block 16 engages with the blocking flange 151. After the main handle 12 is rotated, the main handle 12 cannot return to its original direction.
An object of the present invention is to provide a pair of shears which has a main handle to be rotated and returned to its original direction.
Another object of the present invention is to provide a pair of shears which has a main handle having a protection bow to protect fingers of a user.
In one aspect, the present invention provides a pair of shears comprising a pair of blades, a main handle, an auxiliary handle, a lug, and a shaft, the lug connected to the auxiliary handle, the pair of blades attached to the lug and the auxiliary handle such that one blade is attached to the lug and the other of the pair of blades is attached to the auxiliary handle, and the shaft attached on a bottom of the lug, characterized in that:
the shaft has an insertion groove, the lug has at least one circular aperture, the main handle has a protection bow, a hollow interior, an upper recess receiving a spring, a round hole formed on an upper portion of the main handle for receiving the shaft, and a circular hole communicating with the round hole, and a bolt is inserted in the insertion groove via the circular hole, wherein said main handle is rotatable about a longitudinal axis of said shaft, said spring acts as a detent means for keeping said handle in one position such that when said main handle is rotated, said spring is compressed, a rotational arc of said handle is dependent upon said insertion groove and bolt such that when said main handle is rotated, said bolt travels along said insertion groove.
FIG. 1 is a perspective exploded view of a pair of conventional shears of the prior art;
FIG. 2 is a perspective exploded view of a pair of shears of a first preferred embodiment in accordance with 05 the present invention;
FIG. 3 is a first sectional view of a main handle of a first preferred embodiment in accordance with the present invention;
FIG. 4 is a first sectional view of a main handle of a first preferred embodiment after the main handle is rotated;
FIG. 5 is a second sectional view of a main handle of a first preferred embodiment in accordance with the present invention;
FIG. 6 is a second sectional view of a main handle of a first preferred embodiment after the main handle is rotated;
FIG. 7 is a perspective exploded view of a pair of shears of a second preferred embodiment in accordance with the present invention;
FIG. 8 is a sectional view of a main handle of a second preferred embodiment in accordance with the present invention;
FIG. 9 is a sectional view of a main handle of a second preferred embodiment after the main handle is rotated;
FIG. 10 is a perspective assembly view of a pair of shears of a second preferred embodiment in accordance with the present invention;
05 FIG. 11 is another sectional view of a main handle of a second preferred embodiment after the main handle is rotated;
FIG. 12 is a schematic view illustrating an appli ration of a pair of shears of a second preferred embodiment in accordance with the present invention;
FIG. 13 is a schematic view illustrating an opera-ration of a pair of shears of a second preferred embodiment in accordance with the present invention; and FIG. 14 is a perspective exploded view of a pair of shears of a third preferred embodiment in accordance with the present invention.
Referring to FIGS. 2 to 6, a first pair of shears 20 comprises a pair of blades 40, a main handle 22, an auxiliary handle 39, a lug 28, and a shaft 21. The lug 28 is connected to the auxiliary handle 39. The pair of blades 40 are disposed on the lug 28 and the auxiliary handle 39. The shaft 21 is disposed on a bottom of the lug 28.
The shaft 21 has an insertion groove 24. The lug 28 has a first circular aperture 281, a second circular aperture 282, and a third circular aperture 283.
The main handle 22 has a protection bow 35, a hollow interior 36, an upper recess 25 receiving a spring 26, a round aperture 280 communicating with the upper 05 recess 25, a round hole 221 communicating with the upper recess 25 and receiving the shaft 21, and a circular hole 222 communicating with the round hole 221.
The spring 26 has a first end 27 inserted in the round aperture 280 and a second end 270 inserted in one of the first circular aperture 281, the second circular aperture 282, and the third circular aperture 283.
A bolt 23 is inserted in the insertion groove 24 via the circular hole 222.
Referring to FIGS. 7 to 13, a second pair of shears 20 comprises a pair of blades 40, a main handle 22, an auxiliary handle 39, a lug 28, and a shaft 21. The lug 28 is connected to the auxiliary handle 39. The pair of blades 40 are disposed on the lug 28 and the auxiliary handle 39. The shaft 21 is disposed on a bottom of the lug 28.
The shaft 21 has an insertion groove 24. The lug 28 has a circular aperture 33.
The main handle 22 has a protection bow 35, a hollow interior 36, an upper recess 31 receiving a spring 32, a round hole 221 formed on an upper portion of the main handle 22 and receiving the shaft 21, and a circular hole 222 communicating with the round hole 221.
A bolt 23 is inserted in the insertion groove 24 via the circular hole 222.
05 A rod 34 has a lower end inserted in the upper recess 31 and an upper end inserted in the circular aperture 33.
Referring to FIG. 14, the main handle 22 further has two protruded posts 37. The protection bow 35 has two end grooves 38 receiving the protruded posts 37.
The present invention relates to a pair of shears.
More particularly, the present invention relates to a pair of shears which has a main handle to be rotated and returned to its original direction.
05 Referring to FIG. 1, a pair of conventional shears comprises a pair of blades 18, a main handle 12, an auxiliary handle 17, a lug 15, and a shaft 11. The lug 15 is connected to the auxiliary handle 17. The lug 15 has a blocking flange 151. The pair of blades 18 are disposed 10 on the lug 15 and the auxiliary handle 17. The shaft 11 is disposed on a bottom of the lug 15. The shaft 11 has an annular groove 14. The main handle 12 has a protuded block 16, a round hole 121 receiving the shaft 11, and a circular hole 122 communicating with the round hole 121.
A bolt 13 is inserted in the annular groove 14 via the circular hole 122. The protuded block 16 engages with the blocking flange 151. After the main handle 12 is rotated, the main handle 12 cannot return to its original direction.
An object of the present invention is to provide a pair of shears which has a main handle to be rotated and returned to its original direction.
Another object of the present invention is to provide a pair of shears which has a main handle having a protection bow to protect fingers of a user.
In one aspect, the present invention provides a pair of shears comprising a pair of blades, a main handle, an auxiliary handle, a lug, and a shaft, the lug connected to the auxiliary handle, the pair of blades attached to the lug and the auxiliary handle such that one blade is attached to the lug and the other of the pair of blades is attached to the auxiliary handle, and the shaft attached on a bottom of the lug, characterized in that:
the shaft has an insertion groove, the lug has at least one circular aperture, the main handle has a protection bow, a hollow interior, an upper recess receiving a spring, a round hole formed on an upper portion of the main handle for receiving the shaft, and a circular hole communicating with the round hole, and a bolt is inserted in the insertion groove via the circular hole, wherein said main handle is rotatable about a longitudinal axis of said shaft, said spring acts as a detent means for keeping said handle in one position such that when said main handle is rotated, said spring is compressed, a rotational arc of said handle is dependent upon said insertion groove and bolt such that when said main handle is rotated, said bolt travels along said insertion groove.
FIG. 1 is a perspective exploded view of a pair of conventional shears of the prior art;
FIG. 2 is a perspective exploded view of a pair of shears of a first preferred embodiment in accordance with 05 the present invention;
FIG. 3 is a first sectional view of a main handle of a first preferred embodiment in accordance with the present invention;
FIG. 4 is a first sectional view of a main handle of a first preferred embodiment after the main handle is rotated;
FIG. 5 is a second sectional view of a main handle of a first preferred embodiment in accordance with the present invention;
FIG. 6 is a second sectional view of a main handle of a first preferred embodiment after the main handle is rotated;
FIG. 7 is a perspective exploded view of a pair of shears of a second preferred embodiment in accordance with the present invention;
FIG. 8 is a sectional view of a main handle of a second preferred embodiment in accordance with the present invention;
FIG. 9 is a sectional view of a main handle of a second preferred embodiment after the main handle is rotated;
FIG. 10 is a perspective assembly view of a pair of shears of a second preferred embodiment in accordance with the present invention;
05 FIG. 11 is another sectional view of a main handle of a second preferred embodiment after the main handle is rotated;
FIG. 12 is a schematic view illustrating an appli ration of a pair of shears of a second preferred embodiment in accordance with the present invention;
FIG. 13 is a schematic view illustrating an opera-ration of a pair of shears of a second preferred embodiment in accordance with the present invention; and FIG. 14 is a perspective exploded view of a pair of shears of a third preferred embodiment in accordance with the present invention.
Referring to FIGS. 2 to 6, a first pair of shears 20 comprises a pair of blades 40, a main handle 22, an auxiliary handle 39, a lug 28, and a shaft 21. The lug 28 is connected to the auxiliary handle 39. The pair of blades 40 are disposed on the lug 28 and the auxiliary handle 39. The shaft 21 is disposed on a bottom of the lug 28.
The shaft 21 has an insertion groove 24. The lug 28 has a first circular aperture 281, a second circular aperture 282, and a third circular aperture 283.
The main handle 22 has a protection bow 35, a hollow interior 36, an upper recess 25 receiving a spring 26, a round aperture 280 communicating with the upper 05 recess 25, a round hole 221 communicating with the upper recess 25 and receiving the shaft 21, and a circular hole 222 communicating with the round hole 221.
The spring 26 has a first end 27 inserted in the round aperture 280 and a second end 270 inserted in one of the first circular aperture 281, the second circular aperture 282, and the third circular aperture 283.
A bolt 23 is inserted in the insertion groove 24 via the circular hole 222.
Referring to FIGS. 7 to 13, a second pair of shears 20 comprises a pair of blades 40, a main handle 22, an auxiliary handle 39, a lug 28, and a shaft 21. The lug 28 is connected to the auxiliary handle 39. The pair of blades 40 are disposed on the lug 28 and the auxiliary handle 39. The shaft 21 is disposed on a bottom of the lug 28.
The shaft 21 has an insertion groove 24. The lug 28 has a circular aperture 33.
The main handle 22 has a protection bow 35, a hollow interior 36, an upper recess 31 receiving a spring 32, a round hole 221 formed on an upper portion of the main handle 22 and receiving the shaft 21, and a circular hole 222 communicating with the round hole 221.
A bolt 23 is inserted in the insertion groove 24 via the circular hole 222.
05 A rod 34 has a lower end inserted in the upper recess 31 and an upper end inserted in the circular aperture 33.
Referring to FIG. 14, the main handle 22 further has two protruded posts 37. The protection bow 35 has two end grooves 38 receiving the protruded posts 37.
Claims (3)
1. A pair of shears comprising a pair of blades, a main handle, an auxiliary handle, a lug, and a shaft, the lug connected to the auxiliary handle, the pair of blades attached to the lug and the auxiliary handle such that one blade is attached to the lug and the other of the pair of blades is attached to the auxiliary handle, and the shaft attached on a bottom of the lug, characterized in that:
the shaft is an insertion groove, the lug has at least one circular aperture, the main handle has a protection bow, a hollow interior, an upper recess receiving a spring, a round hole formed on an upper portion o the main handle for receiving the shaft, and a circular hole communicating with the round hole, and a bolt is inserted in the insertion groove via the circular hole, wherein said main handle is rotatable about a longitudinal axis of said shaft, said spring acts as a detent means for keeping said handle in one position such that when said main handle is rotated, said spring is compressed, a rotational arc of said handle is dependent upon said insertion groove and bolt such that when said main handle is rotated, said bolt travels along said insertion groove.
the shaft is an insertion groove, the lug has at least one circular aperture, the main handle has a protection bow, a hollow interior, an upper recess receiving a spring, a round hole formed on an upper portion o the main handle for receiving the shaft, and a circular hole communicating with the round hole, and a bolt is inserted in the insertion groove via the circular hole, wherein said main handle is rotatable about a longitudinal axis of said shaft, said spring acts as a detent means for keeping said handle in one position such that when said main handle is rotated, said spring is compressed, a rotational arc of said handle is dependent upon said insertion groove and bolt such that when said main handle is rotated, said bolt travels along said insertion groove.
2. A pair of shears as claimed in claim 1, wherein a rod has a lower end inserted in the upper recess and an upper end inserted in the circular aperture, said rod acting to compress said spring when said main handle is rotated.
3. A pair of shears according to claim 1 wherein said spring is a coil spring with one end inserted in one of said at least one circular aperture and another end inserted in a round aperture in said upper recess.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0004539A GB2351254B (en) | 2000-02-28 | 2000-02-28 | Shears |
| AU20673/00A AU721586B3 (en) | 2000-02-28 | 2000-03-06 | Shears |
| DE20005037U DE20005037U1 (en) | 2000-02-28 | 2000-03-18 | scissors |
| CA002303582A CA2303582C (en) | 2000-02-28 | 2000-03-30 | Shears |
| FR0005115A FR2807914B3 (en) | 2000-02-28 | 2000-04-20 | SECTOR WITH ROTATING HANDLE WITH AUTOMATIC RECALL |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0004539A GB2351254B (en) | 2000-02-28 | 2000-02-28 | Shears |
| AU20673/00A AU721586B3 (en) | 2000-02-28 | 2000-03-06 | Shears |
| DE20005037U DE20005037U1 (en) | 2000-02-28 | 2000-03-18 | scissors |
| CA002303582A CA2303582C (en) | 2000-02-28 | 2000-03-30 | Shears |
| FR0005115A FR2807914B3 (en) | 2000-02-28 | 2000-04-20 | SECTOR WITH ROTATING HANDLE WITH AUTOMATIC RECALL |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2303582A1 CA2303582A1 (en) | 2001-09-30 |
| CA2303582C true CA2303582C (en) | 2005-06-07 |
Family
ID=27506660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002303582A Expired - Fee Related CA2303582C (en) | 2000-02-28 | 2000-03-30 | Shears |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU721586B3 (en) |
| CA (1) | CA2303582C (en) |
| DE (1) | DE20005037U1 (en) |
| FR (1) | FR2807914B3 (en) |
| GB (1) | GB2351254B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2813496B1 (en) * | 2000-09-07 | 2003-03-07 | Deville Sa | SHEARS |
| AU741451B3 (en) * | 2001-01-12 | 2001-11-29 | Chin-Sung Wu | Shears for gardening |
| WO2003009670A1 (en) * | 2001-07-23 | 2003-02-06 | Aquapore Moisture Systems, Inc. | Two-handed cutter with rotatable handles |
| US7111376B2 (en) | 2003-01-13 | 2006-09-26 | The Stanley Works | Tool with inserted blade members |
| ITBZ20030028A1 (en) * | 2003-05-19 | 2004-11-20 | Intercable Srl | HYDRAULIC TOOL FOR COMPRESSION AND CUTTING. |
| US20090277018A1 (en) * | 2005-05-04 | 2009-11-12 | Mario Arena | Sheet Metal Profile Cutter |
| DE102005027418A1 (en) * | 2005-06-14 | 2006-12-28 | University Of Dundee, Dundee | Medical gripping and / or cutting instrument |
| JP5943498B1 (en) * | 2015-04-08 | 2016-07-05 | 株式会社ヒカリ | Barber |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5123895U (en) * | 1974-08-13 | 1976-02-21 | ||
| SU1676508A1 (en) * | 1989-01-12 | 1991-09-15 | Харьковское Производственное Машиностроительное Объединение "Фэд" | Pruner |
| US5426857A (en) * | 1992-11-30 | 1995-06-27 | Fiskars Oy Ab | Pivoted hand-held cutting tool |
| US5659959A (en) * | 1996-02-23 | 1997-08-26 | General Housewares Corp. | Shears with rotatable handle |
| FR2747881B1 (en) * | 1996-04-26 | 1998-06-26 | Deville Sa | PRUNER-TYPE HAND CUTTING TOOL |
-
2000
- 2000-02-28 GB GB0004539A patent/GB2351254B/en not_active Expired - Fee Related
- 2000-03-06 AU AU20673/00A patent/AU721586B3/en not_active Ceased
- 2000-03-18 DE DE20005037U patent/DE20005037U1/en not_active Expired - Lifetime
- 2000-03-30 CA CA002303582A patent/CA2303582C/en not_active Expired - Fee Related
- 2000-04-20 FR FR0005115A patent/FR2807914B3/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2807914B3 (en) | 2002-03-08 |
| GB2351254A (en) | 2000-12-27 |
| GB2351254B (en) | 2001-10-03 |
| CA2303582A1 (en) | 2001-09-30 |
| DE20005037U1 (en) | 2000-06-21 |
| FR2807914A3 (en) | 2001-10-26 |
| AU721586B3 (en) | 2000-07-06 |
| GB0004539D0 (en) | 2000-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |