GB2424386A - Connecting device for connecting a main tool and an auxiliary tool of a combination tool - Google Patents
Connecting device for connecting a main tool and an auxiliary tool of a combination tool Download PDFInfo
- Publication number
- GB2424386A GB2424386A GB0505976A GB0505976A GB2424386A GB 2424386 A GB2424386 A GB 2424386A GB 0505976 A GB0505976 A GB 0505976A GB 0505976 A GB0505976 A GB 0505976A GB 2424386 A GB2424386 A GB 2424386A
- Authority
- GB
- United Kingdom
- Prior art keywords
- swiveling
- tool
- clamping
- end portion
- main tool
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B1/00—Hand tools
- A01B1/22—Attaching the blades or the like to handles; Interchangeable or adjustable blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F1/00—Combination or multi-purpose hand tools
- B25F1/006—Combination or multi-purpose hand tools with percussion tool-heads or -blades, e.g. hammers, axes
-
- 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
Abstract
A connecting device 10, which connects detachably a main tool 100 and an auxiliary tool 200 of a combination tool, includes first and second clamping members 11, 12, a pivot joint (14, fig.1) and a fastening member 13. The pivot joint (14, fig.1) interconnects the first and second clamping members 11, 12 and permits relative rotation of the first and second clamping members 11, 12 to a clamping position, where the first and second clamping members 11, 12 embrace the head 110 of the main tool 100. The fastening member 13 serves to fasten releasably the first and second clamping members 11, 12 to the main tool 100 when the first and second clamping members 11, 12 are rotated relative to each other to the clamping position. The fastening member 13 includes a screw fastener (131, fig 1) which passes through a hole (170, fig.1) in the head 110 of the main tool 100. The main tool 100 may be a combination of a hammer and a pair of pliers and the auxiliary tool 200 may include a shovel blade 210 and rake teeth 220.
Description
1 2424386
CONNECTING DEVICE FOR CONNECTING A MAIN TOOL AND AN
AUXILIARY TOOL OF A COMBINATION TOOL
The invention relates to a connecting device, more particularly to a connecting device for connecting detachably a main tool and an auxiliary tool of a combination tool.
A conventional combination tool is disclosed in DE Utility Module No. 20307634.6 owned by the applicant.
The conventional combination tool includes a hammer, an auxiliary tool, and a connecting device.
The aforementioned conventional combination tool is disadvantageous in that the operation for connecting theauxiliarytooltothehammerviathecoflflectiflgdevjce is troublesome.
Therefore, the main object of the present invention is to provide an easyto-operate connecting device so as to overcome the aforesaid drawback of the prior art.
According to the present invention, a connecting device, which connects detachably a main tool and an auxiliary tool of a combination tool, includes first and second clamping members, a pivot joint, and a fastening member. The pivot joint interconnects the first and second clamping members, and permits relative rotation of the first and second clamping members to a clamping position, where the first and second clamping members embrace the main tool. The fastening member serves to fasten releasably the first and second clamping members to the main tool when the first and second clamping members are rotated relative to each other to the clamping position.
Other features and advantages of the present inventionwillbecomeapparentinthefollowingdetailed description of the preferred embodiment with reference to the accompanying drawings, of which: Figure 1 is an exploded perspective view of the preferred embodiment of a connecting device according to the present invention; Figure 2 is perspective view of the preferred embodiment in a state of use; Figure 3 is a fragmentary sectional view of the preferred embodiment illustrating an adjusting unit; Figure 4 is a sectional view of the preferred embodiment illustrating a cross-section of a cylindrical coupling body of the adjusting unit; Figure 5 is a fragmentary sectional view of the preferred embodiment illustrating a swiveling unit; and Figure 6 is a fragmentary schematic view of the preferred embodiment illustrating operation of the swiveling unit.
ReferringtoFiguresland2, thepreferredembodiment of a connecting device 10 according to this invention is shown to include first and second clamping members 11, 12, a pivot joint 14, and a fastening member 13.
The connecting device 10 serves to connect detachably amaintool lOOandanauxiliarytool2000facombjnation tool, in a manner that will be described hereinafter.
The main tool 100 includes a head 110, and a handle that extends from the head 110. The head 110 of the main tool 100 has front and rear ends 130, 180, left and right sides 140, 150, and top and bottom sides 160, 190. Each of the top and bottom sides 160, 190 of the head 110 has front and rear end portions. Moreover, the head 110 of themain tool 100 is formed withathrough-hole 170 that extends through the left and right sides 140, 150.
Inthis embodiment, themaintool 100 isacombinatjon of a hammer and a pair of pliers. In particular, the head 110 of the main tool 100 includes a claw that is formed on the front end portion of the top side 160 of the head 110, and a hammerhead that is formed on the front end portion of the bottom side 190 of the head 110. Moreover, the head 110 of the main tool 100 includes a pair of toothed jaws, which cooperatively define the through-hole 170 therebetween. The handle 120 includes a first handle part that extends from one of the jaws, and a second handle part that is connected pivotally to the first handle part and that extends from the other one of the jaws.
In this embodiment, the auxiliary tool 200 includes a shovel blade 210 and rake teeth 220.
The pivot joint 14 interconnects the first and second clamping members 11, 12. In this embodiment, the pivot joint 14 permits relative rotation of the first and second clamping members 11, 12 to a clamping position, where the first and second clamping members 11, 12 embrace the left and right sides 140, 150 of the head 110 of the main tool 100. In particular, the second clamping member 12 is generally L-shaped, and includes shorter and longer arms 121, 122. The shorter arml2l has a distal end distal to the longer arm 122. The pivot joint 14 interconnects the distal end of the shorter arm 121 of the second clamping member 12 and the first clamping member 11. As best shown in Figure 2, when the first and second clamping members 11, 12 are rotated relative toeachotherto the clampingposition, the first clamping member 11 abuts against the left side 140 of the head of the main tool 100, and the shorter and longer arms 121, J22 of the second clamping member 12 respectively abut against the front end 130 and the right side 150 of the head 110 of the main tool 100. Moreover, each of the first and second clamping members 11, 12 is formed with a pair of tabs 113, 123. The tabs 113, 123 of each of the first and second clamping members 11, 12 embrace the rear end portions of the top and bottom sides 160, 190 of the head 110 of the main tool 100 when the first and second clamping members 11, 12 are rotated relative to each other to the clamping position.
The fastening member 13 is operable so as to fasten releasably the first and second clamping members 11, 12 to the head 110 of the main tool 100 when the first and second clamping members 11, 12 are rotated relative to each other to the clamping position. In particular, each of the first and second clamping members 11, 12 is formed with a hole 114, 124 therethrough. The holes 114, 124 in the first and second clamping members 11, 12 are aligned with the through-hole 170 in the head of the main tool 100 when the first and second clamping members 11, 12 are rotated relative to each other to the clamping position. Moreover, the hole 124 in the second clamping member 12 is defined by a groove-defining wall that i-s formed with an inner thread. The fastening member 13 includes a screw fastener 131 that extends through the hole 114 in the first clamping member 11 and the through-hole 170 in the head 110, and that threadedly engages the inner thread of the groove-defining wall of the second clamping member 12, thereby connecting detachably the auxiliary tool 200 to the head 110 of the main tool 100.
With further reference to Figures 3 and 4, the connecting device 10 further includes an adjusting unit 21 that permits adjustment of the orientation of the auxiliary tool 200 relative to the main tool 100. In particular, the adjusting unit 21 includes a cylindrical coupling body 23, an engaging piece 24, and a cap 25.
The coupling body 23 is formed on the shorter arm 121 of the second clamping member 12, defines an engaging groove therein, and has an outer surface 232 that is formed with an outer thread. As best shown in Figure 4, the engaging groove in the coupling body 23 has a non-circular crosssection, preferablya cross-shaped, and includes a pair of crossed groove sections 231.
The engaging piece 24 has a first end portion 242 that has a circular cross-section, and a second end portion 241 that has a cross-section, which corresponds to that of the groove sections 231 of the engaging groove in the coupling body 23, and that is formed with a flange 243. The flange 243 of theengagingpiece24 abuts against the coupling body 23 when the second end portion 24].
of the engaging piece 24 is inserted into one of the groovesections23loftheengag nggroovejnthecoupling body 23.
The cap 25 is sleeved on the second end portion 241 of the engaging piece 24, has an inner surface 252 formed with an inner thread, which threadedly engages the outer thread 232 of the coupling body 23, and abuts against the flange 243 of the engaging piece 24 so as to retain the second end portion 241 of the engaging piece 24 in one of the groove sections 231 of the engaging groove in the coupling body 23.
When it is desired to reorient the auxiliary tool relative to the main tool 100, the cap 25 is first disengaged from the coupling body 23. At this time, the second end portion 241 of the engaging piece 24 may be removed and re-inserted into the other one of the groove sections 231 of the engaging groove in the coupling body 23. Thereafter, the cap 25 is threadedly engaged to the coupling body 23 so as to retain the second end portion 241 of the engaging piece 24 in the other one of the groove sections 231 of the engaging groove in the coupling body 23.
With further reference to Figures 5 and 6, the connecting device 10 further includes a swiveling unit 22 that permits adjustment of the orientation of the auxiliary tool 200 relative to the main tool 100. In particular, the swiveling unit 22 includes first and second swiveling members 26, 27, and a pivot bolt 28.
As best shown in Figure 1, the first swiveling member 26 has a first end portion 262 that is formed with a first bore, and ratchet teeth 263 that surround the first bore, and a tubular second end portion 261. It is noted that the first bore in the first end portion 262 of the first swiveling member 26 is defined by a bore-defining wall that is formed with an inner thread.
As best shown in Figure 3, the second end portion 261 of the first swiveling member 26 is sleeved on the first end portion 242 of the engaging piece 24 of the adjusting unit 21.
The first end portion 242 of the engaging piece 24 of the adjusting unit 21 is formed with an engaging hole 240 therethrough (see Figure 1) . The second end portion 261 of the first swiveling member 26 is formed with a pairofengagingholes2o (seeFigurel) .Apin30extends through one of the engaging holes 260 in the second end Portion26lofthefirstswiveljngmember26, theengaging hole 240 in the first end portion 242 of the engaging piece 24, and the other one of the engaging holes 260 in the second end portion 261 of the first swiveling member 26.
The second swivelingmember 27 has a first endportion 272 coupled to the auxiliary tool 200, and a second end portion 271 formed with a second bore, and ratchet teeth 273 that surround the second bore in the second end portion 271 of the second swiveling member 27.
As best shown in Figure 5, the pivot bolt 28 extends through the second bore in the second end portion 271 of the second swiveling member 27 and threadedly engages the inner thread of the bore-defining wall of the first end portion 262 of the first swiveling member 26. In this embodiment, the pivot bolt 28 is operable so as to permit relative movement of the first and second swiveling members 26, 27 between an engaging position, where the ratchet teeth 263 of the first swiveling member 26 engage the ratchet teeth 273 of the second swiveling member 27, anda disengaging position, where the ratchet teeth 263 of the first swiveling member 26 disengage from the ratchet teeth 273 of the second swiveling member 27.
The swiveling unit 22 further includes a biasing spring 29 that is sleeved on the pivot bolt 28, that is disposed between the first end portion 262 of the first swiveling member 26 and the second end portion 271 of the second swiveling member 27, and that urges the first and second swiveling members 26, 27 to the disengagingposition. Thebiasing spring 29has opposite ends received respectively in the first bore in the first end portion 262 of the first swiveling member 26 and in the second bore of the second end portion 271 of the second swiveling member 27.
As illustrated in Figure 6, when it is desired to reorient the auxiliary tool 200 relative to the main tool 100, the pivot bolt 28 is first operated so as to dispose the first and second swiveling members 26, 27 at the disengaging position. At this time, the auxiliary tool 200 may be adjusted to form a desired angle with respect to the main tool 100. Thereafter, the pivot bolt 28 is operated so as to dispose the first and second swiveling members 26, 27 at the engaging position, thereby retaining the auxiliary tool 200 at the desired angle relative to the main tool 100.
While the present invention has been described in its preferred embodiments, it is to be understood that * 5 the words which have been used are words of description rather than limitation and that changes may be made to the invention without departing from its scope as defined by the appended claims.
Each feature disclosed in this specification (which term includes the claims) and/or shown in the drawings may be incorporated in the invention independently of other disclosed and/or illustrated features.
Statements in this specification of the "objects of the invention" relate to preferred embodiments of the invention, but not necessarily to all embodiments of the invention falling within the claims.
The text of the abstract filed herewith is repeated
here as part of the specification.
A connecting device, which connects detachably a main tool and an auxiliary tool of a combination tool, includes first and second clamping members, a pivot joint, and a fastening member. The pivot joint interconnects the first and second clamping members, and permits relative rotation of the first and second clamping members to a clamping position, where the first and second clamping members embrace the main tool. The fastening member serves to fasten releasably the first and second clamping members to the main tool when the first and second clamping members are rotated relative to each other to the clamping position. :ii
Claims (6)
- CLAIMS: 1. A connecting device adapted for connecting detachably a maintool and an auxiliary tool of a combination tool, the main tool including a head, and a handle that extends from the head, the head of the main tool having a front end, left and right sides, and top and bottom sides, and being formed with a through-hole that extends through the left and right sides, said connecting device comprising: first and second clamping members, each of which is formed with a hole therethrough and is provided with a pair of tabs, said hole in said second clamping member being defined by a groove-defining wall that is formed with an inner thread, a pivot joint interconnecting said first and second clamping members, said pivot joint permitting relative rotation of said first and second clamping members to aclampingposition, where saidfirst andsecondclamping members embrace the left and right sides of the head of the main tool, where said tabs of each of said first and second clamping members embrace the top and bottom sides of the head of the main tool, and where said holes in said first and second clamping members align with said through-hole in the head of the main tool; and a fastening member for fastening releasably said first and second clamping members to the head of the main tool when said first and second clamping members are rotated relative to each other to the clamping position, said fastening member including a screw fastener that extends through said hole in said first clamping member and said through- hole in the head of the main tool, and that threadedly engages said inner thread of said groove-defining wall of said second clamping member.
- 2. The connecting device as claimed in Claim 1, wherein said second clamping member is generally L-shaped, and includes shorter and longer arms, said pivot joint interconnecting said shorter arm of said second clamping member and said first clamping member, said first clamping member abutting against the left side of the head of the main tool, and said shorter and longer arms of said second clamping member respectively abutting against said front end and right side of the head of the main tool when said first and second clamping members are rotated relative to each other to the clamping position.
- 3. The connecting device as claimed in Claim 1, further comprising an adjusting unit for permitting adjustment of the orientation of the auxiliary tool relative to the main tool, said adjusting unit including a cylindrical coupling body that is formed on said second clamping member, that defines an engaging groove therein, and that has an outer surface, said engaging groove of said coupling body having a non-circular crosssection, said outer surface of said coupling body being formed with an outer thread, an engaging piece that has a first end portion, which iscoupledtotheauxiliarytool, andasecondendportjon, which has a crosssection that corresponds to that of said engaging groove in the coupling body and which is formed with a flange, said flange of said engaging piece abutting against said coupling body when said second end portion of said engaging piece is inserted into said engaging groove in said coupling body, and a cap that is sleeved on said second end portion of said engaging piece, that has an inner surface formed with an inner thread for threadedly engaging said outer thread of said coupling body, and that abuts against said flange of said engaging piece so as to retain said second end portion of said engaging piece in said engaging groove in said coupling body.
- 4. The connecting device as claimed in Claim 3, further comprising a swiveling unit for permitting adjustment of the orientation of the auxiliary tool relative to the main tool, said swiveling unit including a first swiveling member that has opposite first and secondendportions, saidfirstendportjonofsajdfjrst swiveling member being formed with a first bore, and ratchet teeth that surround said first bore, said second end portion of said first swiveling member being coupled to said first end portion of said engaging piece of said adjusting unit, said first bore in said first end portion of said first swiveling member being defined by a bore-defining wall that is formed with an inner thread, a second swiveling member that has opposite first and second end portions, said first end portion of said second swiveling member being coupled to the auxiliary tool, said second end portion of said second swiveling member being formed with a second bore, and ratchet teeth that surround said second bore, and a pivot bolt that extends through said second bore in said second end portion of said second swiveling member, and that threadedly engages said inner thread of said bore-defining wall of said first end portion of said first swiveling member, said pivot bolt being operable so as to permit relative movement of said first and second swiveling members between an engaging position, where said ratchet teeth of said first swiveling member engage said ratchet teeth of said second swiveling member, and a disengaging position, where said ratchet teeth of said first swiveling member disengage from said ratchet teeth of said second swiveling member.
- 5. The connecting device as claimed in Claim 4, wherein said swiveling unit further includes a biasing spring that is sleeved on said pivot bolt of said swiveling unit, that is disposed between said first end portion ofsaidfirstswivelingmemberandsaidsecondendportjon of said second swiveling member, and that urges said first and second swiveling members to the disengaging position.
- 6. The connecting device substantially as hereinbefore described with reference to and as illustrated in the accompanying drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0505976A GB2424386A (en) | 2005-03-23 | 2005-03-23 | Connecting device for connecting a main tool and an auxiliary tool of a combination tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0505976A GB2424386A (en) | 2005-03-23 | 2005-03-23 | Connecting device for connecting a main tool and an auxiliary tool of a combination tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB0505976D0 GB0505976D0 (en) | 2005-04-27 |
| GB2424386A true GB2424386A (en) | 2006-09-27 |
Family
ID=34531745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB0505976A Withdrawn GB2424386A (en) | 2005-03-23 | 2005-03-23 | Connecting device for connecting a main tool and an auxiliary tool of a combination tool |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2424386A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108834437A (en) * | 2018-06-29 | 2018-11-20 | 郭铁建 | A kind of new-type agricultural Portable multifunctional spade |
| US11606892B2 (en) * | 2019-06-15 | 2023-03-21 | Binovo Manufacturing Co., Ltd. | Military shovel |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355979A (en) * | 2020-09-28 | 2021-02-12 | 山东电工豪迈节能科技有限公司 | Multipurpose flat shovel type punching head |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4183385A (en) * | 1978-04-10 | 1980-01-15 | Burkybile George L | Hand tool |
| US5297306A (en) * | 1993-02-23 | 1994-03-29 | Frederick Shandel | Multipurpose outdoor tool |
| US6739010B1 (en) * | 2003-05-13 | 2004-05-25 | Ming-Shuan Lin | Combination tool having a hammer |
-
2005
- 2005-03-23 GB GB0505976A patent/GB2424386A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4183385A (en) * | 1978-04-10 | 1980-01-15 | Burkybile George L | Hand tool |
| US5297306A (en) * | 1993-02-23 | 1994-03-29 | Frederick Shandel | Multipurpose outdoor tool |
| US6739010B1 (en) * | 2003-05-13 | 2004-05-25 | Ming-Shuan Lin | Combination tool having a hammer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108834437A (en) * | 2018-06-29 | 2018-11-20 | 郭铁建 | A kind of new-type agricultural Portable multifunctional spade |
| CN108834437B (en) * | 2018-06-29 | 2020-11-27 | 唐山同创电力设备有限公司 | Multi-functional spade of portable for agricultural |
| US11606892B2 (en) * | 2019-06-15 | 2023-03-21 | Binovo Manufacturing Co., Ltd. | Military shovel |
Also Published As
| Publication number | Publication date |
|---|---|
| GB0505976D0 (en) | 2005-04-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |