CN102092021B - Reciprocating type monkey wrench - Google Patents
Reciprocating type monkey wrench Download PDFInfo
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- CN102092021B CN102092021B CN 200910252182 CN200910252182A CN102092021B CN 102092021 B CN102092021 B CN 102092021B CN 200910252182 CN200910252182 CN 200910252182 CN 200910252182 A CN200910252182 A CN 200910252182A CN 102092021 B CN102092021 B CN 102092021B
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- reciprocating type
- monkey wrench
- head
- screw rod
- removable pin
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Abstract
The invention provides a reciprocating type monkey wrench which comprises a handle part, a head part, a movable jaw, a shaft rod and a screw rod, wherein the handle part is provided with a connection end at which the head part is pivoted; a fixed jaw, a chute, a containing groove and a communicating hole are formed on the head part, wherein the communicating hole is communicated with the containing groove; and a movable pin and a spring are arranged between the head part and the connection end, wherein the top end of the movable pin selectively penetrates in the communicating hole, the movable pin extends radially into a pushing edge, and the spring is arranged on the movable pin and between the pushing edge and the head part in a pushing way so as to enable the bottom end of the movable pin to push against the connection end. The screw rod can control the movable jaw to slide horizontally and is arranged in the containing groove in a sliding way along the shaft rod, and the movable pin is selectively stopped at the pushing end of the screw rod to avoid the screw rod sliding. The reciprocating type monkey wrench has the following benefits that the head part of the wrench can be freely and smoothly controlled to pivot relative to the handle part of the wrench; and the monkey wrench has a simpler structure, is convenient to produce and has better controlled volume.
Description
Technical field
The invention relates to a kind of monkey wrench, particularly about a kind of reciprocating type monkey wrench.
Background technology
Monkey wrench is one of modal several hand-held tools, and the piecemeal activity spanner is that design is reciprocating type and can makes it fastening when forward switching nut, during reverse switching nut it is got loose, thereby makes things convenient for user's sharp work.
The movable jaw of part reciprocating type monkey wrench can be away from fixed jaw when reverse pulling, patents such as US1391251, US2562060, US2733626, US2970502, US5809404 and US7137321 is taken off, on take off monkey wrench screw rod all be and the synchronous interlock of its axostylus axostyle to do left and right sides slippage and can drive the movable jaw tooth row; Other still also discloses similar designs just like patents such as US3312129, US5746099, US6679139, precisely because relatively axostylus axostyle slippage of screw rod.
On take off in the patent, the connection relationship of head and lever is often too complicated, or can't reduce the monkey wrench volume because member is numerous, unfavorable user's operation, this is the problem that mainly overcomes for the present invention.
In addition, on take off patent and all have an elastic component and reset in order to direct lead-screw or axostylus axostyle, and how to configure this elastic component to reduce the head width of sort of activity spanner, also be the problem that the present invention wanted to probe into.
Summary of the invention
Main purpose of the present invention provides the swimmingly reciprocating type monkey wrench of relative shank pivot pendulum of a kind of head.
In order to reach above-mentioned purpose, the present invention adopts following technical scheme:
A kind of reciprocating type monkey wrench, it comprises:
One shank, it has a connecting end;
One head, this head one end is formed with a fixed jaw, one chute, one storage tank, one intercommunicating pore and one is positioned at the chute surface on chute top, this storage tank is connected with this chute, this intercommunicating pore then is communicated in this storage tank and head bottom, between this head and this connecting end, be provided with a pivot, one first spring, one removable pin and one second spring, this pivot is between this first spring and this removable pin, this head can take this pivot as the axle center relative this shank pivot pendulum, this first spring is to be resisted against between this head and this connecting end, this removable pin top wears or is not arranged in this intercommunicating pore, this second spring is to make the removable pin bottom be resisted against at any time this connecting end, and the elasticity strength of this first spring is greater than the elasticity strength of this second spring;
One movable jaw has a tooth row, and this tooth row is to be mounted slidably in the head chute;
One axostylus axostyle is to be fixedly arranged in this storage tank;
One screw rod, this screw rod has a pair of axis hole that wears for axostylus axostyle of engaging piece and that should tooth row, this screw rod be can along this axostylus axostyle axial slip be arranged in this storage tank, this removable pin be optionally block in a support end of this screw rod to avoid this screw rod to slide.
Described axis hole comprises large hole, footpath and a diameter holes, should hole, large footpath be axially to offer from described support end, this diameter holes also is to offer and be connected with hole, large footpath along described screw axial, be formed with a shoulder in hole, large footpath and diameter holes intersection, described axostylus axostyle comprises large footpath section and a path section, should large footpath section be to stretch into hole, described large footpath from described support end, this path Duan Ze passes described diameter holes, between hole, path Duan Yuda footpath, enclose structure one annular space is arranged, arrange in it for one the 3rd spring, the 3rd spring is to be resisted against between described large footpath section and the described shoulder, is the closed that does not expose.
This reciprocating type monkey wrench is for switching one hexagonal (hexagon)nut, this hexagonal (hexagon)nut be e to angular length, this hexagonal (hexagon)nut then be s to the length of side, described screw rod has a partes glabra, this partes glabra is between described support end and described engaging piece, and the diameter of this partes glabra is less than or equal to the root footpath of this engaging piece, and the length of this partes glabra is more than or equal to (e-s).
Described removable pin radially is extended with one and supports edge, and described the second spring is to be sheathed on this removable pin and to be resisted against this to support between edge and the described head.
Described connecting end is formed with a convex globoidal and supports for described removable pin bottom.
Described removable pin bottom is formed with a convex globoidal and supports for described connecting end.
Described removable pin top offers a plane vertically, for described screw rod support end against.
This reciprocating type monkey wrench comprises a structure in order to prevent that removable pin from rotating relative to the axle center of intercommunicating pore.
The diameter of described removable pin is more than or equal to (e-s).
Described head bottom is extended with a pair of alar part, and this is installed with in it for this connecting end being formed with a profile groove between the alar part.
This reciprocating type monkey wrench more includes a locked instrument, this locked instrument comprises an elongated slot, a L shaped groove and a latch, this elongated slot is to be located in described alar part and the described connecting end wherein one, this L shaped groove then is located at another one in described alar part and the described connecting end, this latch then is inserted in described elongated slot and the described L shaped groove, this latch is optionally to be positioned at one of them of this elongated slot two ends, and can in this elongated slot, move freely, be and be pivoted or locking relation in order to control this head and this connecting end.
Namely when this latch was positioned at the elongated slot first end, this latch can in the first paragraph stroke intrinsic displacement of L shaped groove, because this first paragraph stroke is positioned at same arc footpath with the pivot pendulum stroke of the relative connecting end of head, make relatively connecting end 11 pivots pendulum of head.Stir and when being positioned at the second end of elongated slot, this latch is the second segment stroke that is positioned at L shaped groove and turn right when this latch, make head and connecting end be fixedly shape and can't relative pivot pendulum.
Beneficial effect of the present invention is: the pivot pendulum that can control freely and smoothly the relative shank of Wrench head; The more simple and convenient production of structure, the volume size is better controlled.
Below by accompanying drawing the present invention is further specified.
Description of drawings
Fig. 1 is the exploded view of first embodiment of the invention.
Figure 1A is the side view of head of the present invention.
Figure 1B is the profile of another embodiment of the present invention.
Fig. 2 is the constitutional diagram of first embodiment of the invention.
Fig. 3 is the fragmentary cross-sectional view () of first embodiment of the invention.
Fig. 3 A is the profile of screw rod of the present invention.
Fig. 4 is the fragmentary cross-sectional view (two) of first embodiment of the invention.
Fig. 5 is the fragmentary cross-sectional view of second embodiment of the invention.
Fig. 6 is the exploded view of third embodiment of the invention.
Fig. 7 is the fragmentary cross-sectional view () of third embodiment of the invention.
Fig. 8 is the fragmentary cross-sectional view (two) of third embodiment of the invention.
The specific embodiment
Below will the effect that architectural feature of the present invention, operation principle and expection thereof are reached be described by several preferred embodiments, be not the category that limits institute of the present invention wish protection, chats in advance bright.
At first, please refer to Fig. 1 to Fig. 3.In the first embodiment of the present invention, this reciprocating type monkey wrench comprises a shank 10, a head 20, a movable jaw 30, an axostylus axostyle 40 and a screw rod 50.
This shank 10 has a connecting end 11, and these shank 10 other ends also can arrange a driving head (not illustrating) separately, utilizes for the user.More particularly, this connecting end 11 has one and drives support surface 12, single-revolution support surface 13, one supports groove 14 and a pivot hole 15, in turning round on the support surface 13 and offering one first spring eye 17, wherein this driving support surface 12 and this revolution support surface 13 just are positioned at the not homonymy in pivot hole 15 relatively, and this driving support surface 12 and this 13 junctions, revolution support surface are formed with a corner 16, this corner 16 preferablies are the positions that drive on support surface 12 and this revolution support surface 13 in the each point near this pivot hole 15, it is harmless that this corner 16 also can be set as circular arc chamfering, should drive again between support surface 12 and the revolution support surface 13 and form an angle theta.This driving support surface 12 comprises near the first paragraph 121 in pivot hole 15 and away from the second segment 122 in pivot hole 15, this first paragraph 121 also joins with this revolution support surface 13, this is supported 14 of grooves and is located between first, second section 121,122, in this supports groove 14 and be provided with a contact-making surface, a for example convex globoidal 141, and this contact-making surface preferably is lower than this driving support surface 12.In addition, in other embodiments of the invention, this connecting end 11 can not be provided with and support groove, namely as shown in Figure 1B.
Between this head 20 and connecting end 11, be provided with a pivot 61, one first spring 62, a removable pin 63 and one second spring 64, this pivot 61 be corresponding inserted in those pivot holes 15,28, make this head 20 can take this pivot 61 as the axle center relative this shank 10 pivots pendulum.The part of this first spring 62 is to be located in this first spring eye 17 and to be resisted against between this head 20 and this connecting end 11, this removable pin 63 lays respectively at this pivot 61 both sides with this first spring 62, and the top of this removable pin 63 optionally is arranged in this intercommunicating pore 24, offer vertically a plane 632 in removable pin 63 tops, this removable pin 63 radially is extended with one and supports edge 631, this second spring 64 is to be sheathed on this removable pin 63 and to be resisted against this to support between edge 631 and this head 20, make removable pin 63 bottoms be resisted against this connecting end 11, more specifically be resisted against this convex globoidal of supporting groove 14 141.Wherein, the elasticity strength of this first spring 62 should in order to make this driving support surface 12 under nature, all can keep being resisted against head 20 bottoms greater than the elasticity strength of this second spring 64, namely is resisted against this profile groove 27 root edges.
Again, more can establish an anti-rotation structure for this removable pin 63, in order to prevent the axle center rotation of removable pin 63 relative intercommunicating pores 24; In the present embodiment, this anti-rotation structure comprises a stop pin 66, and this stop pin 66 is to be inserted in this jack 65 and with this plane 632 to support, and makes the relatively stop pin 66 upper and lower slippages and can not rotating of this plane 632; In addition, this anti-rotation structure also can comprise the collocation of a chute and slide rail, perhaps this intercommunicating pore 24, removable pin 63 is changed into the design of non-circular section.
It is worth mentioning that, in the above-described embodiments, this convex globoidal 141 is to be arranged at this connecting end 11, but the second embodiment that also can be as shown in Figure 5, and convex globoidal 141 ' is arranged at removable pin 63 bottoms, support for connecting end 11.Or, these removable pin 63 bottoms with support in the groove 14 and can not be provided with convex globoidal, form the two planes shape that contacts, also belong to feasible.
This movable jaw 30 has a tooth row 31, and this tooth row 31 is to be mounted slidably in head 20 chutes 22.Wherein, this reciprocating type monkey wrench can utilize fixed jaw 21 and movable jaw 30 and clamping, switching one hexagonal (hexagon)nut 5, and the maximum of the maximum hexagonal (hexagon)nut 5 that this monkey wrench can be pulled is e to angular length, and the maximum of this maximum hexagonal (hexagon)nut then is s to the length of side.
This axostylus axostyle 40 is to be arranged in the horizontal perforation 29 of head 20 and to be fixedly arranged in this storage tank 23, and this axostylus axostyle 40 comprises large footpath section 41 and one a path section 42.
This screw rod 50 has a pair of engaging piece 51, a partes glabra 52, one axis hole 53 and the support end 54 that wear for axostylus axostyle 40 that should tooth row 31, and this screw rod 50 is to be arranged at slippingly in this storage tank 23 along axostylus axostyle 40.More particularly, as shown in Figure 3A, this axis hole 53 comprises large hole 531, footpath and a diameter holes 532, should hole 531, large footpath be axially to offer from this support end 54, this diameter holes 532 also is axially to offer and be connected with hole, large footpath 531 along screw rod 50, and 531 are formed with a shoulder 533 with diameter holes 532 intersections in hole, large footpath.Wherein, should large footpath section 41 be to stretch into this hole, large footpath 531 from this support end 54,42 of this path sections are passed this diameter holes 532, between path section 42 and hole 531, large footpath, enclose structure one annular space is arranged, accommodating in it for one the 3rd spring 55, the 3rd spring 55 is to be resisted against between this large footpath section 41 and this shoulder 533, in order to the power that provides this screw rod 50 to move horizontally towards the direction of fixed jaw 21.Again, optionally block is avoiding screw rod 50 to slide by removable pin 63 in this support end 54, owing to offering plane 632 on this removable pin 63, so this removable pin 63 can be face with support end 54 and supports relation.In addition, this partes glabra 52 is between this support end 54 and this engaging piece 51, and the diameter of this partes glabra 52 is not more than the root footpath Φ (Root diameter) of this engaging piece 51, and the axial length L 1 of this partes glabra 52, less than the axial length L 2 at engaging piece 51 whole tooth peaks.
The operation principle of reciprocating type monkey wrench of the present invention below will be described.Please refer to Fig. 3, when the clockwise switching of this reciprocating type monkey wrench, this driving support surface 12 and this head 20 are under nature, all can keep supporting mutually, and it is mobile up to promote removable pin 63, this plane 632 and the support end 54 of screw rod 50 are supported mutually, made this movable jaw 30 and fixed jaw 21 closely clamping and drive this hexagonal (hexagon)nut 5 rotations.
Then, please refer to Fig. 3 A and Fig. 4, when this reciprocating type monkey wrench of reverse switching, this driving support surface 12 can break away from head 20 to be supported, this revolution support surface 13 is then supported with head 20, and namely this shank 10 can rotate an angle relative to head 20, and this angle should be equal to this angle theta, this removable pin 63 is acted on and slippage downwards by the second spring 64 then, makes this plane 632 break away from these support ends 54; In this simultaneously, these hexagonal (hexagon)nut 5 meeting administration activities jaws 30 1 horizontal components, when this horizontal component during greater than the elastic force of the 3rd spring 55, this movable jaw 30 will be towards the direction slippage away from fixed jaw 21 with this screw rod 50, and slip length is at least (e-s), therefore the length preferably of this partes glabra 52 also is not less than (e-s), and these removable pin 63 non-diameters that support upper edge equally also are not less than (e-s).
Should be noted, when the reverse switching of this reciprocating type monkey wrench, user's hand need rotate at least (60 °+θ), and the design of this angle theta is the displacement that depends on this removable pin 63, when these removable pin 63 required displacements are larger, it is large that this angle theta also becomes thereupon, otherwise when this removable pin 63 required displacements hour, this angle theta also can have smaller angle.Because screw rod 50 of the present invention is provided with the partes glabra 52 than path, therefore the maximum displacement that this removable pin 63 is required, be to be the width W of these partes glabra 52 outer peripheral edges apart from axis hole 53, therefore this angle theta can be designed to smaller angle, make (60 °+θ) further dwindle of the angles of the reverse switching of user, when being beneficial to operate more smoothly, unlikely excessive upset wrist.
Again, after the horizontal component of these hexagonal (hexagon)nut 5 administration activities jaws 30 disappears, the 3rd spring 55 can promote this screw rod 50 and movable jaw 30 resets, and because the elasticity strength of the first spring 62 is greater than the elasticity strength of the second spring 64, therefore this shank 10 also can spontaneously rotate and promote removable pin 63 near axostylus axostyle 40, namely reply state as shown in Figure 3.
Wherein, owing to the present invention is arranged at the 3rd spring 55 in the annular space of axis hole 53, and do not expose to outside the axis hole 53, by this kind set-up mode, can effectively shorten the width of head, and further reduce volume and the weight of this head, have significant economy and Practical Benefit.
Come again, please refer to Fig. 6 to Fig. 8.In the third embodiment of the present invention, this reciprocating type monkey wrench more is provided with a locked instrument 70, this locked instrument 70 comprises an elongated slot 71, one L shaped groove 72 and a latch 73, this elongated slot 71 is to be located in this alar part 26 and this connecting end 11 one of them (being to be located at alar part 26 in the present embodiment), this L shaped groove 72 then is located at another one in this alar part 26 and the connecting end 11 (being to be located at connecting end 11 in the present embodiment), 73 of this latches are inserted in this elongated slot 71 and this L shaped groove 72, be provided with a promotion face 74 in latch 73 1 ends and promote for the user, make this latch 73 optionally move in elongated slot 71 two ends.More particularly, as shown in Figure 7, when this latch 73 was positioned at elongated slot 71 first end, this latch 73 can be in the first paragraph stroke intrinsic displacement of L shaped groove 72, because this first paragraph stroke is positioned at same arc footpath with the pivot pendulum stroke of head 20 relative connecting ends 11, makes relatively connecting end 11 pivots pendulum of head 20.And as shown in Figure 8, turn right when this latch 73 and to stir and when being positioned at the second end of elongated slot 71, this latch 73 is the second segment strokes that are positioned at L shaped groove 72, makes head 20 and connecting end 11 be fixedly shape and can't relative pivot pendulum, is with this connecting end 11 and is pivoted or locking relation in order to control this head 20.
Claims (11)
1. a reciprocating type monkey wrench is characterized in that, it comprises:
One shank, it has a connecting end;
One head, this head one end is formed with a fixed jaw, one chute, one storage tank, one intercommunicating pore and one is positioned at the chute surface on chute top, this storage tank is connected with this chute, this intercommunicating pore then is communicated in this storage tank and head bottom, between this head and this connecting end, be provided with a pivot, one first spring, one removable pin and one second spring, this pivot is between this first spring and this removable pin, this head can take this pivot as the axle center relative this shank pivot pendulum, this first spring is to be resisted against between this head and this connecting end, this removable pin top wears or is not arranged in this intercommunicating pore, this second spring is to make the removable pin bottom be resisted against at any time this connecting end, and the elasticity strength of this first spring is greater than the elasticity strength of this second spring;
One movable jaw has a tooth row, and this tooth row is to be mounted slidably in the head chute;
One axostylus axostyle is to be fixedly arranged in this storage tank;
One screw rod, this screw rod has a pair of axis hole that wears for axostylus axostyle of engaging piece and that should tooth row, this screw rod be can along this axostylus axostyle axial slip be arranged in this storage tank, this removable pin be do not wear or be arranged in this intercommunicating pore block optionally in a support end of this screw rod avoiding this screw rod to slide, or not backstop in a support end of this screw rod so that this screw rod slide.
2. reciprocating type monkey wrench as claimed in claim 1, it is characterized in that, described axis hole comprises large hole, footpath and a diameter holes, should hole, large footpath be axially to offer from described support end, this diameter holes also is to offer and be connected with hole, large footpath along described screw axial, be formed with a shoulder in hole, large footpath and diameter holes intersection, described axostylus axostyle comprises large footpath section and a path section, should large footpath section be to stretch into hole, described large footpath from described support end, this path Duan Ze passes described diameter holes, between hole, path Duan Yuda footpath, enclose structure one annular space is arranged, arrange in it for one the 3rd spring, the 3rd spring is to be resisted against between described large footpath section and the described shoulder, is the closed that does not expose.
3. reciprocating type monkey wrench as claimed in claim 1, it is characterized in that, this reciprocating type monkey wrench is for switching one hexagonal (hexagon)nut, this hexagonal (hexagon)nut be e to angular length, this hexagonal (hexagon)nut then be s to the length of side, described screw rod has a partes glabra, this partes glabra is between described support end and described engaging piece, and the diameter of this partes glabra is less than or equal to the root footpath of this engaging piece, and the length of this partes glabra is more than or equal to e-s.
4. reciprocating type monkey wrench as claimed in claim 1 is characterized in that, described removable pin radially is extended with one and supports edge, and described the second spring is to be sheathed on this removable pin and to be resisted against this to support between edge and the described head.
5. such as each described reciprocating type monkey wrench in the claim 1 to 4, it is characterized in that, described connecting end is formed with a convex globoidal and supports for described removable pin bottom.
6. such as each described reciprocating type monkey wrench in the claim 1 to 4, it is characterized in that, described removable pin bottom is formed with a convex globoidal and supports for described connecting end.
7. such as each described reciprocating type monkey wrench in the claim 1 to 4, it is characterized in that, described removable pin top offers a plane vertically, for described screw rod support end against.
8. such as each described reciprocating type monkey wrench in the claim 1 to 4, it is characterized in that, comprise a structure in order to prevent that removable pin from rotating relative to the axle center of intercommunicating pore.
9. reciprocating type monkey wrench as claimed in claim 3 is characterized in that, the diameter of described removable pin is more than or equal to e-s.
10. such as each described reciprocating type monkey wrench in the claim 1 to 4, it is characterized in that, described head bottom is extended with a pair of alar part, and this is installed with in it for this connecting end being formed with a profile groove between the alar part.
11. reciprocating type monkey wrench as claimed in claim 10, it is characterized in that, this reciprocating type monkey wrench more includes a locked instrument, this locked instrument comprises an elongated slot, one L shaped groove and a latch, this elongated slot is to be located in described alar part and the described connecting end wherein one, this L shaped groove then is located at another one in described alar part and the described connecting end, this latch then is inserted in described elongated slot and the described L shaped groove, this latch is optionally to be positioned at one of them of this elongated slot two ends, and can in this elongated slot, move freely, be and be pivoted or locking relation in order to control this head and this connecting end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910252182 CN102092021B (en) | 2009-12-10 | 2009-12-10 | Reciprocating type monkey wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910252182 CN102092021B (en) | 2009-12-10 | 2009-12-10 | Reciprocating type monkey wrench |
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| Publication Number | Publication Date |
|---|---|
| CN102092021A CN102092021A (en) | 2011-06-15 |
| CN102092021B true CN102092021B (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910252182 Active CN102092021B (en) | 2009-12-10 | 2009-12-10 | Reciprocating type monkey wrench |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5746099A (en) * | 1996-10-04 | 1998-05-05 | Janson; Paul | Adjustable open-wrench with a sliding side jaw having a releasable adjustment mechanism to allow ratcheting operation |
| US6089129A (en) * | 1999-02-03 | 2000-07-18 | Huang; Ping Wen | Adjustable wrench |
| US6276241B1 (en) * | 1999-02-18 | 2001-08-21 | Snap-On Technologies, Inc. | Laminated adjustable wrench |
| CN2923201Y (en) * | 2006-05-22 | 2007-07-18 | 黄秉文 | Improved adjustable spanner structure |
| CN201325015Y (en) * | 2008-11-18 | 2009-10-14 | 黄秉文 | Swinging type spanner |
| CA2676060A1 (en) * | 2009-08-18 | 2009-11-10 | New Way Tools Co., Ltd. | Adjustable wrench with ratchet function |
-
2009
- 2009-12-10 CN CN 200910252182 patent/CN102092021B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5746099A (en) * | 1996-10-04 | 1998-05-05 | Janson; Paul | Adjustable open-wrench with a sliding side jaw having a releasable adjustment mechanism to allow ratcheting operation |
| US6089129A (en) * | 1999-02-03 | 2000-07-18 | Huang; Ping Wen | Adjustable wrench |
| US6276241B1 (en) * | 1999-02-18 | 2001-08-21 | Snap-On Technologies, Inc. | Laminated adjustable wrench |
| CN2923201Y (en) * | 2006-05-22 | 2007-07-18 | 黄秉文 | Improved adjustable spanner structure |
| CN201325015Y (en) * | 2008-11-18 | 2009-10-14 | 黄秉文 | Swinging type spanner |
| CA2676060A1 (en) * | 2009-08-18 | 2009-11-10 | New Way Tools Co., Ltd. | Adjustable wrench with ratchet function |
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| Publication number | Publication date |
|---|---|
| CN102092021A (en) | 2011-06-15 |
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