CN105014954A - Handheld pneumatic umbrella buckling device - Google Patents
Handheld pneumatic umbrella buckling device Download PDFInfo
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- CN105014954A CN105014954A CN201510348537.1A CN201510348537A CN105014954A CN 105014954 A CN105014954 A CN 105014954A CN 201510348537 A CN201510348537 A CN 201510348537A CN 105014954 A CN105014954 A CN 105014954A
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- button
- shaped
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- chuck
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Abstract
The invention discloses a handheld pneumatic umbrella buckling device. The handheld pneumatic umbrella buckling device comprises a handle, an electromagnetic valve control system, an air cylinder power system, an engine body, a chuck forming assembly and a U-shaped buckle thruster system. The handle is of a hollow structure. The rear end of the handle is connected with the electromagnetic valve control system. The air cylinder power system is arranged at the front end of the handle. The engine body is arranged at the lower end of the air cylinder power system. The U-shaped buckle thruster system is arranged on the rear side of the engine body and is used for providing a U-shaped aluminum buckle for the engine body. The air cylinder power system drives the engine body and the chuck forming assembly to work in a matched manner. An umbrella cover and an umbrella frame are buckled together through the U-shaped aluminum buckle. The handheld pneumatic umbrella buckling device has the beneficial effects that the occupied area is small, using is convenient, the operation is simple, the manpower resource cost is greatly lowered, and the production efficiency is improved.
Description
Technical field
The present invention relates to a kind of floor space little, easy to use, simple to operate, greatly reduce cost of human resources, the hand-held pneumatic button umbrella equipment of enhancing productivity.
Background technology
Umbrella, the daily living article that we know, the production technology of umbrella has a lot of step, we carry out a simple preliminary understanding with regard to this technique of seam umbrella: umbrella is made up of umbrella stand and umbrella cover, and umbrella cover (also known as canopy) makes with technique sewing machine conjunction sheet after being cut into triangular plate by cloth cutting to form.Umbrella stand is the semi-finished product that umbrella stand factory processes.Umbrella cover will be sewn to umbrella stand and get on by factory, makes umbrella, this procedure, and we claim it to be seam umbrella.
A lot of Zhi San enterprise is also with traditional manual needlework technique seam umbrella, and line is pierced into embroidery needle by manual seam umbrella exactly, pin one line umbrella cover is sewn on umbrella stand, certainly, how slow speed have as seen; Even if afterwards 373 button-sewing machines of clothing factory to be repacked into seam umbrella machine, but because of with linear slit, suture will stitch 13 pins, and machine will run 13 times and just stop, and machine speed is still very slow; Much less, speed is extremely slow for manual seam umbrella; Existing seam umbrella machine seam umbrella, has following five large shortcomings: 373 seam umbrella machines of repacking drive main frame by motor, and main frame is by body, and main shaft, clutch-plate, recoiling device, gear, a lot of mechanical fitting composition such as bearing, motion mode is cam mechanism structure.Used for a long time wearing and tearing large, if wear and tear in machines is large, the gap promoting the connection sliding block of mould is large, and eedle breaks because mould meeting not in place is got in feeding version when running up and down at a high speed, and machine is easily bad, safeguards and needs professional mechanician; General workman's annual pay is more than at least 50000, and maintenance cost is high; Broken needle can cause element part to damage, and machine service life is short, (common eedle 1 mao 1 piece), and frequent broken needle is a kind of waste; Broken needle can smash umbrella cover again, (umbrella cover 1 ~ 5 yuan), is a kind of waste; More seriously eedle likely can hurt people in the moment of fracture, luckily also can not hurt eyes, even if put on one's glasses also can hurt face or hand, seriously there is potential safety hazard.
Therefore, need a kind of floor space badly little, easy to use, simple to operate, greatly reduce cost of human resources, the hand-held pneumatic button umbrella equipment of enhancing productivity.
Summary of the invention
The object of this invention is to provide a kind of floor space little, easy to use, simple to operate, greatly reduce cost of human resources, the hand-held pneumatic button umbrella equipment of enhancing productivity.
To achieve these goals, technical scheme provided by the invention is: provide a kind of hand-held pneumatic button umbrella equipment, comprise: handle, electromagnetic valve controlling system, cylinder dynamical system, body, the shaping assembly of chuck and U-shaped button impeller system, described handle is hollow structure and rear end is connected with described electromagnetic valve controlling system, described cylinder dynamical system is installed on described handle front end, described body is installed on described cylinder dynamical system lower end, described U-shaped button propulsion system is located on rear side of described body, for providing U-shaped aluminium button for described body, described cylinder dynamical system drives described body and the shaping assembly cooperating of described chuck, umbrella cover and umbrella stand are snapped together by described U-shaped aluminium button.
Described handle is plastic cement material; synthesized by two parts; inside is equipped with from described electromagnetic control system tracheae, switch and electric wire out; and be screwed; described electromagnetic control system outside is plastic cement containment vessel; and described plastic cement containment vessel internal solenoid valve; described magnetic valve is equipped with inlet suction port, air outlet adapter and silencer; in addition power plug wire is fixed on described plastic cement containment vessel by protection rubber base; described switch is for controlling described electromagnetic valve work, and described tracheae and electric wire are coated with plastic casing-pipe.
Also comprise: U-shaped button thimble, described cylinder dynamical system is connected with steel core, have employed high-strength material, more wear-resisting; Described steel core end offers screw hole, described U-shaped button thimble is installed in described screw hole, and be also provided with positioning gutta pad between described U-shaped button thimble and described screw hole, described positioning gutta pad is built in described screw hole, when described U-shaped button thimble installs in described screw hole, the depth can be regulated a little, and can not loosen, described cylinder dynamical system bottom is also connected with support, and described support is fixed in described cylinder dynamical system by four stainless steel screws.
A positioning component is equipped with on described internal body upper left side, and described positioning component is made up of internal axle sleeve and buffering annular groove bearing, and is fixed by screws in described internal body; Described internal body lower left is provided with fixed chuck; described fixed chuck is fixed by screw; described body fore shell has individual square aperture; U-shaped aluminium button locating cover is equipped with at described square aperture place, and described U-shaped aluminium anchors a cover screw and is fixed on described body, and can dismantle; the nail that easy cleaning blocks and nail bits; be furnished with dust cover above described body, shield, the cabinet rear of described body is provided with the alignment pin for fixing U-shaped button guide rail.
The shaping assembly of described chuck comprises lever body, there is a framework for four sides intersection hollow out described lever body upper end, one group of parts is equipped with in inside, be respectively buffering ring connected in star bearing, buffer shaft, buffer shaft shift fork, buffer rubber gasket, square metal sheet, bottom, this part parts forms a buffer system, described lever body is provided with the slot for installing described buffer shaft, described buffer shaft is installed in described slot movably, described buffer shaft is through described lever body, described buffering ring connected in star bearing is through in the middle of the described lever body of hollow out, the semicircle prong of described buffer shaft shift fork rides on the axle of described buffering ring connected in star bearing, described buffer rubber gasket is embedded in the fork-tail mouth that described buffer shaft is dialled, described square metal sheet is arranged on after described buffer rubber gasket, and by described bottom, they are covered in the described lever body of hollow out.
Is provided with screw hole in the middle of described bottom, there is individual 5mm soket head cap screw without a head the inside, is used for the size of adjustment pressure, and like this, described buffering ring connected in star bearing just can play cushioning effect at work.
Described lever body center is provided with outer shaft, and described outer shaft can be concentric, and also can be eccentric, described outer shaft be used for bearing effect, also for regulating the position of the shaping assembly of described chuck; Also be provided with fixed hub in described outer shaft, and through described outer shaft, described fixed hub be fixed in the fluting of described lever body by screw; In addition, also comprise active chuck, there is trapezoidal draw-in groove described lever body bottom, and described draw-in groove both sides are provided with screw hole, and described active chuck is installed in described draw-in groove, and is fixed through described draw-in groove by screw; Be provided with perforation directly over described draw-in groove, described perforation built with tension spring, and has individual circular hole with described corresponding two sides of boring a hole above described draw-in groove, the built-in alignment pin of described circular hole, and described tension spring one end is fixed by described alignment pin; Described tension spring other end nail, on described lever body, makes described lever body lower end be in open configuration all the time.
Described U-shaped button impeller system comprises: U-shaped button guide rail, and described U-shaped button guide upper is equipped with thrust spring, the described U-shaped aluminium button of bottom installing, and described U-shaped button guide rail rear end is provided with pin hole, and described pin hole is provided with the latch for locating described thrust spring.
By following description also by reference to the accompanying drawings, the present invention will become more clear, and these accompanying drawings are for explaining embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of hand-held pneumatic button umbrella equipment of the present invention.
Fig. 2 is the diagram of another angle of an embodiment of hand-held pneumatic button umbrella equipment of the present invention.
Fig. 3 is the handle of hand-held pneumatic button umbrella equipment, the schematic diagram of electromagnetic valve controlling system as shown in Figure 1.
Fig. 4 is the structural representation of the cylinder dynamical system of hand-held pneumatic button umbrella equipment as shown in Figure 1.
Fig. 5 is the structural representation of the body of hand-held pneumatic button umbrella equipment as shown in Figure 1.
Fig. 6 is the structural representation of the shaping assembly of chuck of hand-held pneumatic button umbrella equipment as shown in Figure 1.
Fig. 7 is the U-shaped structural representation buckleing impeller system of hand-held pneumatic button umbrella equipment as shown in Figure 1.
Fig. 8 is the U-shaped fundamental diagram buckleing impeller system of hand-held pneumatic button umbrella equipment as shown in Figure 1.
Detailed description of the invention
With reference now to accompanying drawing, describe embodiments of the invention, element numbers similar in accompanying drawing represents similar element.As mentioned above, as illustrated in fig. 1 and 2, the hand-held pneumatic button umbrella equipment 100 that the embodiment of the present invention provides, comprise: handle 1, electromagnetic valve controlling system 2, cylinder dynamical system 3, body 4, the shaping assembly of chuck 5 and U-shaped button impeller system 6, described handle 1 is hollow structure and rear end is connected with described electromagnetic valve controlling system 2, described cylinder dynamical system 3 is installed on described handle 1 front end, described body 4 is installed on described cylinder dynamical system 3 lower end, described U-shaped button propulsion system 6 is located on rear side of described body 4, for providing U-shaped aluminium button for described body 4, described cylinder dynamical system 3 drives described body 4 and described chuck shaping assembly 5 cooperating, umbrella cover and umbrella stand are snapped together by described U-shaped aluminium button.
As shown in Figure 3, described handle 1 is plastic cement material, synthesized by two parts 1a and 1b, inside is equipped with from described electromagnetic control system 2 tracheae 11 out, switch 12 and electric wire 13, and be screwed, described electromagnetic control system 2 outside is plastic cement containment vessel, and described plastic cement containment vessel internal solenoid valve 21, described magnetic valve 21 is equipped with inlet suction port, air outlet adapter and silencer, in addition power plug wire 22 is fixed on described plastic cement containment vessel by protection rubber base, described switch 12 works for controlling described magnetic valve 21, described tracheae 11 and electric wire 13 are coated with plastic casing-pipe.
As shown in Figure 4, also comprise: U-shaped button thimble 31, described cylinder dynamical system 3 is connected with steel core 32, and described steel core 32 have employed high-strength material, more wear-resisting; Described steel core 32 end offers screw hole, described U-shaped button thimble 31 is installed in described screw hole, and be also provided with positioning gutta pad 33 between described U-shaped button thimble 31 and described screw hole, described positioning gutta pad 33 is built in described screw hole, when described U-shaped button thimble 31 installs in described screw hole, the depth can be regulated a little, and can not loosen, described cylinder dynamical system 3 bottom is also connected with support 34 and 35, and described support 34 and 35 is fixed in described cylinder dynamical system 3 by four stainless steel screws.
As shown in Figure 5, a positioning component is equipped with on the described inner upper left side of body 4, and described positioning component is made up of internal axle sleeve 41 and buffering annular groove bearing 42, and it is inner to be fixed by screws in described body 4; The described inner lower left of body 4 is provided with fixed chuck 44; described fixed chuck 44 is fixed by screw; described body 4 fore shell has individual square aperture 45; U-shaped aluminium button locating cover 46 is equipped with at described square aperture 45 place; described U-shaped aluminium button locating cover 46 is screwed on described body 4; and can dismantle; the nail that easy cleaning blocks and nail bits; dust cover 48 is furnished with above described body 4; dust cover 48 shields, and the cabinet rear of described body 4 is provided with the alignment pin 47 for fixing U-shaped button guide rail.
As shown in Figure 6, the shaping assembly 5 of described chuck comprises lever body 51, there is a framework for four sides intersection hollow out described lever body 51 upper end, one group of parts is equipped with in inside, be respectively buffering ring connected in star bearing 52, buffer shaft 53, buffer shaft shift fork 54, buffer rubber gasket 55, square metal sheet 56, bottom 57, this part parts forms a buffer system, described lever body 51 is provided with the slot 58 for installing described buffer shaft 53, described buffer shaft 53 is installed in described slot 58 movably, described buffer shaft 53 is through described lever body 51, the described lever body 51 described buffering ring connected in star bearing 52 being through hollow out is middle, the semicircle prong of described buffer shaft shift fork 54 rides on the axle of described buffering ring connected in star bearing 52, described buffer rubber gasket 55 is embedded in the fork-tail mouth that described buffer shaft is dialled, described square metal sheet is arranged on after described buffer rubber gasket 55, and by described bottom 57, they are covered in the described lever body 51 of hollow out.
As shown in Figure 6, is provided with screw hole in the middle of described bottom 57, there is individual 5mm soket head cap screw 59 without a head the inside, is used for the size of adjustment pressure, and like this, described buffering ring connected in star bearing 52 just can play cushioning effect at work.
As shown in Figure 6, described lever body 51 center is provided with outer shaft 591, and described outer shaft 591 can be concentric, also can be eccentric, described outer shaft 591 for playing bearing effect, also for regulating the position of the shaping assembly 5 of described chuck; Also be provided with fixed hub 592 in described outer shaft 591, and through described outer shaft 591, described fixed hub 592 be fixed in the fluting 593 of described lever body 51 by screw; In addition, also comprise active chuck 594, there is trapezoidal draw-in groove 595 described lever body 51 bottom, and described draw-in groove 595 both sides are provided with screw hole, and described active chuck 594 is installed in described draw-in groove 595, and is fixed through described draw-in groove 595 by screw; Perforation is provided with directly over described draw-in groove 595, described perforation is built with tension spring 596, and having individual circular hole with described corresponding two sides of boring a hole above described draw-in groove 595, the built-in alignment pin 597 of described circular hole, described tension spring 596 one end is fixed by described alignment pin 597; Described tension spring 596 other end nail, on described lever body 51, makes described lever body 51 lower end be in open configuration all the time.
As shown in Figures 7 and 8, described U-shaped button impeller system 6 comprises: U-shaped button guide rail 61, thrust spring 62 is equipped with on described U-shaped button guide rail 61 top, the described U-shaped aluminium button 63 of bottom installing, and described U-shaped button guide rail 61 rear end is provided with pin hole, described pin hole is provided with the latch 64 for locating described thrust spring 62.Operation principle is: the front bottom end of described U-shaped button impeller system 6 has the U-shaped opening of protrusion, the size of opening and appearance and size consistent with U-shaped aluminium button, effect is by the described body 4 of propelling of one one, U-shaped aluminium button, namely be carry out pin, because U-shaped aluminium button loads below described U-shaped button guide rail 61 in the other direction, to come off guide rail to prevent U-shaped aluminium button, holder needle assemblies 65 is provided with below the opening that described U-shaped button impeller system 6 is protruded, be spring 66 after holder needle assemblies 65, with latch 64, holder needle assemblies 65 and spring 66 be fixed in propeller.Such holder needle assemblies 65 just can ask U-shaped aluminium button 63 to enter described body 4 length by length along with the promotion of thrust spring 62.Holder pin is not entered in described body 4, so have holder needle spring after holder pin, the elastic force of holder needle spring is far smaller than the elastic force of propeller spring, when asking pin top to encounter housing, holder pin is just forbidden motionless, at this moment angle of rake opening still can enter housing, by not surplus the pushing inside housing of 63 1, U-shaped aluminium button.
After described U-shaped aluminium button 63 goes out pin, when described U-shaped button thimble 31 installs in described screw hole, the depth can be regulated a little, and can not loosen, described cylinder dynamical system 3 bottom is also connected with support 34 and 35, and described support 34 and 35 is fixed in described cylinder dynamical system 3 by four stainless steel screws.
Logical upper source of the gas, plug in, before startup, the U-shaped button thimble 31 be contained on steel core 32 is positioned at peak, when pressing starting switch, cylinder dynamical system 3 is started working, at this moment U-shaped button thimble 31 can promote from top to bottom, and when the tapering point of steel core 32 moves to outer shaft 591 place, the top that the buffering ring connected in star bearing 52 of another side can promote lever body 51 is opened to the left side, active chuck 594 is just to the right motion thus, closes up with the fixed chuck 44 on the left side; U-shaped button thimble 31 moves downward can buckle outlet slot place through U-shaped, is cut off by single U-shaped aluminium button 63 in forming tank that backward fixed chuck 44 and active chuck 594 be combined formation shaping, finally forms a complete annulus.When unclamping starting switch, steel core 32 can get back to peak, and lever body 51 can be pushed open by the tension spring 596 be contained in below lever body 51, and at this moment active chuck 44 opens, the annulus formed by U-shaped aluminium button 63 just can depart from from forming tank, can carry out next action with that.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (8)
1. a hand-held pneumatic button umbrella equipment, it is characterized in that, comprise: handle, electromagnetic valve controlling system, cylinder dynamical system, body, the shaping assembly of chuck and U-shaped button impeller system, described handle is hollow structure and rear end is connected with described electromagnetic valve controlling system, described cylinder dynamical system is installed on described handle front end, described body is installed on described cylinder dynamical system lower end, described U-shaped button propulsion system is located on rear side of described body, for providing U-shaped aluminium button for described body, described cylinder dynamical system drives described body and the shaping assembly cooperating of described chuck, umbrella cover and umbrella stand are snapped together by described U-shaped aluminium button.
2. hand-held pneumatic button umbrella equipment as claimed in claim 1, it is characterized in that, described handle is plastic cement material, synthesized by two parts, inside is equipped with from described electromagnetic control system tracheae out, switch and electric wire, and be screwed, described electromagnetic control system outside is plastic cement containment vessel, and described plastic cement containment vessel internal solenoid valve, described magnetic valve is equipped with inlet suction port, air outlet adapter and silencer, in addition power plug wire is fixed on described plastic cement containment vessel by protection rubber base, described switch is for controlling described electromagnetic valve work, described tracheae and electric wire are coated with plastic casing-pipe.
3. hand-held pneumatic button umbrella equipment as claimed in claim 1, it is characterized in that, also comprise: U-shaped button thimble, described cylinder dynamical system is connected with steel core, , described steel core end offers screw hole, described U-shaped button thimble is installed in described screw hole, and be also provided with positioning gutta pad between described U-shaped button thimble and described screw hole, described positioning gutta pad is built in described screw hole, when described U-shaped button thimble installs in described screw hole, the depth can be regulated a little, and can not loosen, described cylinder dynamical system bottom is also connected with support, described support is fixed in described cylinder dynamical system by four stainless steel screws.
4. hand-held pneumatic button umbrella equipment as claimed in claim 1, it is characterized in that, a positioning component is equipped with on described internal body upper left side, and described positioning component is made up of internal axle sleeve and buffering annular groove bearing, and is fixed by screws in described internal body; Described internal body lower left is provided with fixed chuck, described fixed chuck is fixed by screw, described body fore shell has individual square aperture, U-shaped aluminium button locating cover is equipped with at described square aperture place, described U-shaped aluminium anchors a cover screw and is fixed on described body, and can dismantle, be furnished with dust cover above described body, the cabinet rear of described body is provided with the alignment pin for fixing U-shaped button guide rail.
5. hand-held pneumatic button umbrella equipment as claimed in claim 1, it is characterized in that, the shaping assembly of described chuck comprises lever body, there is a framework for four sides intersection hollow out described lever body upper end, one group of parts is equipped with in inside, be respectively buffering ring connected in star bearing, buffer shaft, buffer shaft shift fork, buffer rubber gasket, square metal sheet, bottom, this part parts forms a buffer system, described lever body is provided with the slot for installing described buffer shaft, described buffer shaft is installed in described slot movably, described buffer shaft is through described lever body, described buffering ring connected in star bearing is through in the middle of the described lever body of hollow out, the semicircle prong of described buffer shaft shift fork rides on the axle of described buffering ring connected in star bearing, described buffer rubber gasket is embedded in the fork-tail mouth that described buffer shaft is dialled, described square metal sheet is arranged on after described buffer rubber gasket, and by described bottom, they are covered in the described lever body of hollow out.
6. hand-held pneumatic button umbrella equipment as claimed in claim 5, is characterized in that, is provided with screw hole in the middle of described bottom, there is individual 5mm soket head cap screw without a head the inside, be used for regulating the size of pressure, like this, described buffering ring connected in star bearing just can play cushioning effect at work.
7. the hand-held pneumatic button umbrella equipment as described in claim 5 or 6, it is characterized in that, described lever body center is provided with outer shaft, described outer shaft can be concentric, also can be eccentric, described outer shaft be used for bearing effect, also for regulating the position of the shaping assembly of described chuck; Also be provided with fixed hub in described outer shaft, and through described outer shaft, described fixed hub be fixed in the fluting of described lever body by screw; In addition, also comprise active chuck, there is trapezoidal draw-in groove described lever body bottom, and described draw-in groove both sides are provided with screw hole, and described active chuck is installed in described draw-in groove, and is fixed through described draw-in groove by screw; Be provided with perforation directly over described draw-in groove, described perforation built with tension spring, and has individual circular hole with described corresponding two sides of boring a hole above described draw-in groove, the built-in alignment pin of described circular hole, and described tension spring one end is fixed by described alignment pin; Described tension spring other end nail, on described lever body, makes described lever body lower end be in open configuration all the time.
8. hand-held pneumatic button umbrella equipment as claimed in claim 1, it is characterized in that, described U-shaped button impeller system comprises: U-shaped button guide rail, described U-shaped button guide upper is equipped with thrust spring, the described U-shaped aluminium button of bottom installing, and described U-shaped button guide rail rear end is provided with pin hole, described pin hole is provided with the latch for locating described thrust spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348537.1A CN105014954A (en) | 2015-06-23 | 2015-06-23 | Handheld pneumatic umbrella buckling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348537.1A CN105014954A (en) | 2015-06-23 | 2015-06-23 | Handheld pneumatic umbrella buckling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105014954A true CN105014954A (en) | 2015-11-04 |
Family
ID=54405421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510348537.1A Pending CN105014954A (en) | 2015-06-23 | 2015-06-23 | Handheld pneumatic umbrella buckling device |
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| Country | Link |
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| CN (1) | CN105014954A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202114459U (en) * | 2011-05-13 | 2012-01-18 | 余建军 | Pneumatic gun type dog clutch umbrella sewing machine |
| CN202919236U (en) * | 2012-09-29 | 2013-05-08 | *** | Air pressure gun type jaw lock umbrella sewing machine button pushing device and umbrella sewing machine |
| JP2014204968A (en) * | 2013-03-19 | 2014-10-30 | 株式会社マイファースト | Pneumatically foldable umbrella |
| CN204712459U (en) * | 2015-06-23 | 2015-10-21 | 薛廷锐 | Hand-held pneumatic button umbrella device |
-
2015
- 2015-06-23 CN CN201510348537.1A patent/CN105014954A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202114459U (en) * | 2011-05-13 | 2012-01-18 | 余建军 | Pneumatic gun type dog clutch umbrella sewing machine |
| CN202919236U (en) * | 2012-09-29 | 2013-05-08 | *** | Air pressure gun type jaw lock umbrella sewing machine button pushing device and umbrella sewing machine |
| JP2014204968A (en) * | 2013-03-19 | 2014-10-30 | 株式会社マイファースト | Pneumatically foldable umbrella |
| CN204712459U (en) * | 2015-06-23 | 2015-10-21 | 薛廷锐 | Hand-held pneumatic button umbrella device |
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Application publication date: 20151104 |