CN203003808U - Multi-use wire thread insert combination tool - Google Patents

Multi-use wire thread insert combination tool Download PDF

Info

Publication number
CN203003808U
CN203003808U CN 201220600026 CN201220600026U CN203003808U CN 203003808 U CN203003808 U CN 203003808U CN 201220600026 CN201220600026 CN 201220600026 CN 201220600026 U CN201220600026 U CN 201220600026U CN 203003808 U CN203003808 U CN 203003808U
Authority
CN
China
Prior art keywords
multiplex
drive rod
steel
purpose handle
wire screw
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 - Lifetime
Application number
CN 201220600026
Other languages
Chinese (zh)
Inventor
刘零军
奚文戟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CETC 14 Research Institute
Original Assignee
CETC 14 Research Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CETC 14 Research Institute filed Critical CETC 14 Research Institute
Priority to CN 201220600026 priority Critical patent/CN203003808U/en
Application granted granted Critical
Publication of CN203003808U publication Critical patent/CN203003808U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The utility model discloses a multi-use wire thread insert combination tool, which comprises a multi-use handle, a multi-use pressure sleeve, a multi-use drive rod and a multi-use drive cock, wherein the multi-use drive rod and the multi-use drive cock are arranged in the multi-use handle and are in interference fit with the multi-use handle; and the multi-use pressure sleeve is sleeved on the multi-use handle and the multi-use drive rod extending out of the multi-use handle. The tool can be used for mounting locking and general type thread inserts, has the characteristics of small volume, light weight and small pressure contact area, can adapt to various limitations of parts to be assembled on the aspect of operating space, and has the characteristics of selectivity of lengthening or pressurizing operation and the like.

Description

Multiplex steel-wire screw-socket combination tool
Technical field
The utility model can be suitable for locking and ordinary steel wire swivel nut technology, particularly a kind of multiplex steel-wire screw-socket combination tool simultaneously.
Background technology
The assembly work of steel-wire screw-socket, it is the especially important foundation setting in the military products civilian goods such as Aeronautics and Astronautics, boats and ships, machinery, electronics field of modern industry, characteristics wide in variety with respect to it, that quantity is large, the place is many, the existing instrument equipment aspect characteristics that function singleness and adaptability are strong, installation effectiveness is not high that seem.In specific or concrete installation environment because the function that erecting tools does not possess is small-sized, multiplex, quick and instrument is easy to obtain very easily causes the difficulties such as operation possibility, installation effectiveness, Quality Control, thereby significant limitation the ability of batch production.Particularly because the restriction of structural member shape or multiple narrow assembly space, tend to cause to operate or surface quality impaired.Therefore, large-scale production management philosophy based on maturation, the target control of production process must be satisfied feasibility well and the prerequisite of usefulness first, be and put forward dynamical emphasis approach the flow scheme improvements that continues, the combination property of lifting operation instrument has very important effect to promoting operability and usefulness.
The comparison of brands of wire thread insert mounting tool in the market many (being commonly referred to as the silk braid assembly wrench), but structure and function belong to same GB standard spare basically, special silk braid instrument patent application is less, on market, existing instrument majority is reference or carries out national standard or industry standard, make as HB4275-89, version is very approaching, and operation principle has adopted silk braid precommpression in the instrument thread in inner cavity in advance, then with after the workpiece screwed hole docks with its screw-in.The structure of instrument and size, determined only can adapt to general assembly space environment, and need strictly by selecting again the condition pattern of instrument, assembling process basically all to adopt the basic process of (distinguish instrument kind+silk braid pre-assembled+silk braid in tool cavity pack into workpiece etc.) after the locking of silk braid or common attribute.The shortcoming of this pattern is, their installation effectiveness is lower, and can only provide the simplest tool support to general production is required, that is: first outfit selected according to the kind of silk braid, thereafter, the rotating shaft end head of silk braid inserter inner chamber, it is rotated to the top of instrument and lifts one's head a little, then the target screwed hole that need pack on alignment pieces, screw in fully and control after compressing downwards and sink a little, the seeker of silk braid breaks end etc., thereby completes the assembling of a silk braid.Above-mentioned patent instrument can not be broken through the restriction of structural member shape or multiple narrow assembly space, and installation effectiveness is lower.Development along with modern production technology, to silk braid, relevant application enterprise being installed thinks, above-mentioned assembly tool, its mode of operation has only been paid close attention to instrument and has been distinguished specification with silk braid, distinguishes the corresponding of kind, and the simple requirement of rather spacious position assembly environment, and complete, high efficiency comprehensive consideration is installed, operated to instrument versatility, multiple location, significant limitation efficient raising, instrument cost and satisfy the diversified demand in installation position.Relate to the relevant enterprise demand that silk braid is installed, the instrument of being can break through existing poor efficiency Installation Modes and installation position multiple restriction, create new tool can solve under new principle instruct, therefore in the urgent need to a kind of can provide raise the efficiency, regardless of kind (referring to have locking and the plain edition of tailfiber cover), adapt to the tool device that restriction is installed at multiple position.On the other hand, the instrument of traditional silk braid causes vision observation inconvenience when installing because tool diameter is large, the front end face area is excessive, easily exceeds the regulation fitting depth during operation, causes relevant unnecessary doing over again; In addition, front end face directly contacts with surface of the work, common quality defect that workpiece mounting table face (especially metal surface) is scratched etc. also very easily appears, therefore in the urgent need to can compatible different cultivars under a kind of same specification, fast, have and adapt to many field settings sexual function, new tool that the front end face area coverage is little.
The problems referred to above that exist for solving traditional steel wire silk braid instrument, the technical staff has carried out relevant research, as Chinese patent application for example: Chinese patent 201020193202.X; 201020671339.1 etc.But these researchs still do not have the multiplex and large subject matter of efficient two of instrument in fine solution steel-wire screw-socket conventional mounting.For example: the silk braid instrument that has proposed the combination of a kind of polished rod and pressure cap in Chinese patent 201020193202.X, utilize gland to the certain damping due to rotation of formation of the pressure of silk braid upper surface, realized that silk braid is being subject to the synchronization constrain installation of downward pressure and diameter convergent force, solved silk braid basic demand has been installed, but because instrument to outer-enwraped type structure and pressure cap internal recess and the larger characteristics of external diameter of silk braid, make the observable state of silk braid installation process, silk braid the second half impaction state not good, still exist with the problem such as surface of the work contact friction; Chinese patent 201020671339.1.. has proposed a kind of structure that silk braid is pre-installed and elasticity is located of utilizing on the screw thread of instrument, owing to having utilized the elasticity setting, make this instrument have certain pre-determined bit effect to silk braid, but this structure fabrication relative complex, simultaneously, fail miniaturization due to instrument height and diameter equidimension, make and the silk braid of low height space, small swing radius, narrow groove inside etc. is installed adaptability can't realize.
In addition, (abbreviation conventional tool) generally is comprised of shell, drive rod in existing silk braid instrument, contains non-removable radially boosting-rod, and the simple setting of single afterburning mode.Conventional tool silk braid is formal install before, must carry out in the instrument inner chamber that drive rod is released, silk braid is packed into and three kinds of actions such as screw-ins fully, and need to control four of prepackages such as appropriate length that silk braid lifts one's head at the housing front end and go on foot orders, efficient is low; Conventional tool and for lock type and the plain edition of silk braid must be equipped with respectively instrument in use.Its larger housing diameter of conventional tool and entire length size, limited the difference demand under multiple assembly space, do not support low height space mounting (instrument total length 〉=18cm), the less narrow places such as the radius of gyration (tool diameter Φ 〉=24mm), and as the environment such as in narrow plane or groove, can't approach work at all.The area of conventional tool front end face is larger, there is no observability when making silk braid seek installing hole, easily causes the surface tear to workpiece; Need the careful silk braid fitting depth of controlling, the handling degree of depth is crossed the position.The material therefor size of conventional tool own is larger, and the size of processing and positional precision are relatively high, and the factors such as integrated cost have when making the employee to the complete acquisition of instrument and many personnel, place, bring Difficulty.The larger volume of the relative instrument of conventional tool, quantity and weight, also there is inconvenience in daily keeping and carrying.
The utility model content
The purpose of this utility model is to provide a kind of combination tool applicable to the steel-wire screw-socket Fast Installation, can compatible lock type and the erectility of plain edition different cultivars silk braid, possess that volume is little, weight is little, press down the little characteristics of contact area, and can adapt to accessory to be installed multiple restriction aspect the operating space.
The technical solution that realizes the utility model purpose is: a kind of multiplex steel-wire screw-socket combination tool, comprise multi-purpose handle, multiplex gland, multiplex drive rod, multiplex driving cock, multiplex drive rod, multiplex driving cock are arranged in multi-purpose handle, multiplex drive rod, multiplex driving cock and multi-purpose handle interference fit, multiplex gland are socketed in multi-purpose handle and stretch out on the multiplex drive rod of this multi-purpose handle.
The utility model compared with prior art, its remarkable advantage: (1) can omit the pre-assembled process of silk braid in conventional tool, significantly erection ﹠ lift efficient.(2) can satisfy simultaneously the common installation needs that the same specification different cultivars is lock type and plain edition silk braid by an instrument, the outfit quantity of instrument descends 50%, has effectively reduced acquisition cost.(3) multiple operation is selective, when making the utility model tool operation, but instrument mounting torque or space size select hand-screw mode, boosting-rod mode etc. to add force mode, also be provided with simultaneously the double long patterns that add of reinforcing such as inner hexagon spanner, crosspoint tip screwdriver, flat blade screwdriver, the multiple restriction of installing space be can effectively dissolve, Fig. 6, Fig. 7 and Fig. 8 seen.(4) possesses low height space, small swing radius position, the silk braid installation function at the narrow and small narrow positions such as the root plane under narrow groove location, higher facade, whole minor diameter, the little length dimension setting of selecting, make instrument be competent at low height (≤8-10cm), in small swing radius (approximately R4-R6 is following), groove under (width be about 1.5 times~2 times of nominal diameters), higher facade the silk braid of the multiple occasion of basic plane Kong Wei etc. pack into and share needs.(5) the right angle groove structure of drive rod is installed than conventional tool, the circular arc kerve of this tool drives bar arranges, and makes the stressed even distribution of the weak link of instrument, not frangibility.(6) have the observability of installing in whole process, stopped the scuffing of instrument to piece surface.The utility model is provided with at the front end of multiplex gland the minor diameter plane that is slightly larger than the silk braid external diameter, axial compressive force when providing silk braid to install, and silk braid is installed is fade-in clear-cut.(7) instrument is made simple, cost, but the utility model instrument drive rod is set to the tactic pattern that secondary is changed regeneration, makes to have facilitated acquisition and team the popularizing instrument of individual to instrument.(8) adopt minor diameter, little length dimension design makes compact conformation, effectively saves work, storage area, is convenient to keeping and carries.(9) the less pressure face that arranges of front end, contact part surface has had observability in silk braid assembling whole process, has not had surface tear, sanding, has stopped surperficial quality problems.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Description of drawings
Fig. 1 is the Standard schematic diagram of the multiplex steel-wire screw-socket combination tool of the utility model.
Fig. 2 is the local enlarged diagram of multi-purpose handle of the present utility model.
Fig. 3 is the local enlarged diagram of multiplex gland of the present utility model.
Fig. 4 is the local enlarged diagram of multiplex drive rod of the present utility model.
Fig. 5 is the local enlarged diagram of multiplex driving cock of the present utility model.
Fig. 6 is the multiplex steel-wire screw-socket combination tool of the utility model hand-screw scheme of installation in small space.
Fig. 7 is the compatible two kinds of silk braid functions of the multiplex steel-wire screw-socket combination tool of the utility model and the afterburning scheme of installation of quarter butt.
Fig. 8 is that the multiplex steel-wire screw-socket combination tool of the utility model lengthens reinforcing at the privileged sites scheme of installation.
The specific embodiment
In conjunction with Fig. 1, the multiplex steel-wire screw-socket combination tool of the utility model, comprise multi-purpose handle 1, multiplex gland 2, multiplex drive rod 3, multiplex driving cock 4, multiplex drive rod 3, multiplex driving cock 4 are arranged in multi-purpose handle 1, multiplex drive rod 3, multiplex driving cock 4 and multi-purpose handle 1 interference fit, multiplex gland 2 is socketed in multi-purpose handle 1 and stretches out on the multiplex drive rod 3 of this multi-purpose handle 1.
in conjunction with Fig. 2, the multi-purpose handle 1 of the multiplex steel-wire screw-socket combination tool of the utility model is by integrated drive rod installation portion 1.1, reinforcing section 1.2, lengthening afterburning section 1.3 forms, drive rod installation portion 1.1, reinforcing section 1.2, lengthening afterburning section 1.3 center lines overlaps, and middle the perforation, one end of multi-purpose handle 1 is drive rod installation portion 1.1, the multiplex drive rod 3 of the interior installation of this drive rod installation portion 1.1, the other end of multi-purpose handle 1 is afterburning section 1.2, the drive hole of perforation is set at these reinforcing section 1.2 places, the center line of this drive hole is perpendicular to the central axis of multi-purpose handle 1, in this reinforcing section 1.2 for lengthening afterburning section 1.3, coaxial and begin to arrange the hex drive hole from port with the central axis of multi-purpose handle 1 in this lengthening afterburning section 1.3, this hex drive arranges multiplex driving cock 4 in the hole.Wherein afterburning section 1.2 excircles of multi-purpose handle 1 can arrange annular knurl.
In conjunction with Fig. 3, the multiplex gland 2 of the multiplex steel-wire screw-socket combination tool of the utility model is comprised of integrated plane 2.1, hollow-out parts 2.2, the handheld pressure section 2.3 that presses down, hollow-out parts 2.2 is positioned at the middle part, what hollow-out parts 2.2 front end taperings shrink to form minor diameters presses down plane 2.1, hollow-out parts 2.2, handheld pressure section 2.3 center lines overlap, and middle the perforation, this presses down plane 2.1 and withstands in use steel-wire screw-socket.
In conjunction with Fig. 4, the multiplex drive rod 3 of the multiplex steel-wire screw-socket combination tool of the utility model by integrated arc at the bottom of driver slot 3.1, shaft 3.2, square falcon 3.3 form, one end of this shaft 3.2 arranges driver slot 3.1 at the bottom of arc, other end setting party falcon 3.3, the party falcon 3.3 is arranged in the drive rod installation portion 1.1 of multi-purpose handle 1, and at the bottom of arc, driver slot 3.1 drives the mounting groove of steel-wire screw-socket.Wherein shaft 3.2 shares for two kinds of simultaneous adaptation locking (seeing the locking silk braid 5.2 in Fig. 7) and non-locking silk braids (seeing the suitable tooth silk braid 5.1 in Fig. 7) cylinder that internal diameter is installed.
In conjunction with Fig. 5, the multiplex driving cock 4 of the multiplex steel-wire screw-socket combination tool of the utility model is comprised of integrated embedded cylinder 4.1, cross driver slot 4.2, cross driver slot 4.2 is the top of multiplex driving cock 4, be arranged on the rear end of embedded cylinder 4.1, the front end of this embedded cylinder 4.1 is provided with the tapering guiding.
Force fit side falcon 3.3 in the hole of drive rod installation portion 1.1, the compression distance side of being about falcon length+5mm; Shaft 3.2 stretches out the hole of drive rod installation portion 1.1, is enclosed within the through hole of hollow-out parts 2.2, and the embedded cylinder 4.1 of force fit on earth in lengthening the hex drive hole of afterburning section 1.3.installation procedure: silk braid directly is inserted in multiplex drive rod 3 front ends, its installing handle is included at the bottom of arc in driver slot 3.1, the tool belt silk braid vertically is placed on threaded bores by standard forming, after first only utilizing multi-purpose handle 1 reverse rotation to find the screw thread entrance, again multiplex gland 2 is applied suitable downward pressure, multi-purpose handle 1 provides the power of being rotated in the forward (forbidding producing downward pressure), this moment, two composition of forces impelled the natural diameter of silk braid to produce the trace contraction before progressively screwing in, after silk braid all enters smoothly, along with withdrawing of instrument composite force, silk braid is close to the screw inwall naturally by the expansion of original external diameter trend in the hole, silk braid is installed and is finished.
The mounting means of the multiplex steel-wire screw-socket combination tool of the utility model:
(1) preparatory stage, the quality of major constraints screwed hole and the placement of workpiece are namely when preparing to carry out the steel-wire screw-socket installation, at first; The silk braid of cleaning workpiece is installed bottom outlet, the middle warp of emphasis standard bottom outlet and orifice chamfer (chamfering must be completed, and makes in screwed hole through meeting the GBXXX standard, degree of depth Design of Symbols dimensional requirement) before tapping.Secondly; Need workpiece is placed steadily, and and the operator between form suitable ergonomics position.
(2) install the phase I
By the screw thread specification (as ST2-ST6) of the steel-wire screw-socket that will install, selected unique standard instrument, (need not by kind, i.e. lock type or medium-sized selection).
(3) second stage is installed
The right hand is held instrument (containing gland), the left hand silk braid of packing into, and the silk braid installing handle is pushed in the tool drives groove.
(4) install the phase III
The right hand is held instrument, and to carry silk braid downward, accurately cover the in place and centering of screwed hole institute with exposing silk braid, left hand keeps gland and suitable downward pressure vertical with workpiece, the right hand pad that turns clockwise continuously, until fully with after the aperture is concordant, continuing to revolve to turn around to enclose to 1.5, silk braid gets final product.Disconnected remove installing handle after, the installation of a steel-wire screw-socket finishes at this point.
Repeat above-mentioned (3)-(4) process, just can obtain just can obtaining New type tool the batch of silk braid is installed.

Claims (7)

1. multiplex steel-wire screw-socket combination tool, it is characterized in that comprising multi-purpose handle (1), multiplex gland (2), multiplex drive rod (3), multiplex driving cock (4), multiplex drive rod (3), multiplex driving cock (4) are arranged in multi-purpose handle (1), multiplex drive rod (3), multiplex driving cock (4) and multi-purpose handle (1) interference fit, multiplex gland (2) is socketed in multi-purpose handle (1) and stretches out on the multiplex drive rod (3) of this multi-purpose handle (1).
2. multiplex steel-wire screw-socket combination tool according to claim 1, it is characterized in that multi-purpose handle (1) is by integrated drive rod installation portion (1.1), reinforcing section (1.2), lengthening afterburning section (1.3) forms, drive rod installation portion (1.1), reinforcing section (1.2), lengthening afterburning section (1.3) center line overlaps, and middle the perforation, one end of multi-purpose handle (1) is drive rod installation portion (1.1), multiplex drive rod (3) is installed in this drive rod installation portion (1.1), the other end of multi-purpose handle (1) is afterburning section (1.2), locate to arrange the drive hole of perforation in this reinforcing section (1.2), the center line of this drive hole is perpendicular to the central axis of multi-purpose handle (1), be lengthening afterburning section (1.3) in this reinforcing section (1.2), upper coaxial and begin to arrange the hex drive hole from port with the central axis of multi-purpose handle (1) in the afterburning section of this lengthening (1.3), this hex drive arranges multiplex driving cock (4) in the hole.
3. multiplex steel-wire screw-socket combination tool according to claim 2, is characterized in that afterburning section (1.2) excircle of multi-purpose handle (1) arranges annular knurl.
4. multiplex steel-wire screw-socket combination tool according to claim 1, it is characterized in that multiplex gland (2) is comprised of the integrated plane (2.1), hollow-out parts (2.2), handheld pressure section (2.3) of pressing down, hollow-out parts (2.2) is positioned at the middle part, what hollow-out parts (2.2) front end tapering shrink to form minor diameter presses down plane (2.1), hollow-out parts (2.2), handheld pressure section (2.3) center line overlap, and middle the perforation, this presses down plane (2.1) and withstands in use steel-wire screw-socket.
5. multiplex steel-wire screw-socket combination tool according to claim 1, it is characterized in that driver slot (3.1) at the bottom of multiplex drive rod (3) is by integrated arc, shaft (3.2), square falcon (3.3) form, one end of this shaft (3.2) arranges driver slot (3.1) at the bottom of arc, other end setting party falcon (3.3), the party falcon (3.3) is arranged in the drive rod installation portion (1.1) of multi-purpose handle (1), and driver slot at the bottom of arc (3.1) drives the mounting groove of steel-wire screw-socket.
6. multiplex steel-wire screw-socket combination tool according to claim 5, is characterized in that shaft (3.2) is simultaneous adaptation locking and two kinds of cylinders that internal diameter is installed of non-locking silk braid.
7. multiplex steel-wire screw-socket combination tool according to claim 1, it is characterized in that multiplex driving cock (4) is comprised of integrated embedded cylinder (4.1), cross driver slot (4.2), cross driver slot (4.2) is the top of multiplex driving cock (4), be arranged on the rear end of embedded cylinder (4.1), the front end of this embedded cylinder (4.1) is provided with the tapering guiding.
CN 201220600026 2012-11-14 2012-11-14 Multi-use wire thread insert combination tool Expired - Lifetime CN203003808U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220600026 CN203003808U (en) 2012-11-14 2012-11-14 Multi-use wire thread insert combination tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220600026 CN203003808U (en) 2012-11-14 2012-11-14 Multi-use wire thread insert combination tool

Publications (1)

Publication Number Publication Date
CN203003808U true CN203003808U (en) 2013-06-19

Family

ID=48595440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220600026 Expired - Lifetime CN203003808U (en) 2012-11-14 2012-11-14 Multi-use wire thread insert combination tool

Country Status (1)

Country Link
CN (1) CN203003808U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109352589A (en) * 2018-12-10 2019-02-19 上海卫星装备研究所 Deep hole steel-wire screw-socket mounting device
CN112475842A (en) * 2020-11-24 2021-03-12 湖北三江航天险峰电子信息有限公司 Installation device and installation method of steel wire thread insert based on tapping machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109352589A (en) * 2018-12-10 2019-02-19 上海卫星装备研究所 Deep hole steel-wire screw-socket mounting device
CN112475842A (en) * 2020-11-24 2021-03-12 湖北三江航天险峰电子信息有限公司 Installation device and installation method of steel wire thread insert based on tapping machine

Similar Documents

Publication Publication Date Title
CN204844056U (en) Chuck locking spanner that lathe was used
CN203003808U (en) Multi-use wire thread insert combination tool
CN103551885A (en) Thread machining positioning device for transmission shaft
CN201685191U (en) Grinding wheel
CN206677874U (en) A kind of disassembling positioning pin accessory
CN206054482U (en) A kind of portable latch
CN204171947U (en) A kind of load module of Fast Installation steel-wire screw-socket
CN203566045U (en) Auxiliary tool for circle or arc cutting torch
CN202752712U (en) Circular die tool with T-shaped groove
CN105370694A (en) Screw capable of being disassembled manually
CN108145383B (en) Tapping method of the BCL bearing with end cover area conjunction screw hole
CN102806434B (en) Welding bench table top locating hole conversion equipment
CN202088181U (en) Child-mother combination hammer
CN201008917Y (en) Screw driver groove punching mould of screw head
CN201357334Y (en) Flywheel housing locating taper pin
CN218364413U (en) Portable combined wrench
CN204082473U (en) Tire patching with instrument and maintenance pump
CN204486950U (en) A kind of quick change clamping tool for motor-driven tapping
CN220416582U (en) PVC pipe with handle
CN205588202U (en) A operation tool for locking bolt
CN203509782U (en) Multifunctional manually-assembled tool
CN208557150U (en) A kind of fiber optic bundle manual grinding fixture
CN202292227U (en) Extension head structure of CNC (Computerized Numerical Control) processing machine
CN208034593U (en) Main clutch spring compressor of tracked vehicle
CN201115889Y (en) Hand tap with guidance tip

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20130619