CN202188801U - Female thread micrometer - Google Patents

Female thread micrometer Download PDF

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Publication number
CN202188801U
CN202188801U CN2011202847194U CN201120284719U CN202188801U CN 202188801 U CN202188801 U CN 202188801U CN 2011202847194 U CN2011202847194 U CN 2011202847194U CN 201120284719 U CN201120284719 U CN 201120284719U CN 202188801 U CN202188801 U CN 202188801U
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CN
China
Prior art keywords
internal thread
microdrum
measuring staff
milscale
gauge head
Prior art date
Application number
CN2011202847194U
Other languages
Chinese (zh)
Inventor
孙生强
Original Assignee
孙生强
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 孙生强 filed Critical 孙生强
Priority to CN2011202847194U priority Critical patent/CN202188801U/en
Application granted granted Critical
Publication of CN202188801U publication Critical patent/CN202188801U/en

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Abstract

The utility model provides a female thread micrometer which is a novel measuring tool for female thread measurement. Through the excellent cooperation of components such as interchangeable probes, a bending measuring rod, a transmission shaft, a support sleeve, a microdrum, an adjusting knob, a ruler body and a digital display apparatus specially used for displaying the female thread micrometer, etc, the female thread micrometer effectively overcomes the deficiency that a routine measuring tool can not directly read the pitch diameter dimension of the female thread, meets requirements of a female thread pitch diameter measuring method and measuring precision and provides a new measuring tool and method for female thread processing technology in a machining field.

Description

The internal thread milscale
Technical field
The utility model relates to a kind of internal thread milscale, especially can measure the internal thread milscale of footpath size in the internal thread fast.
Background technology
At present; Measurement for footpath in the internal thread does not also have a kind of quick, easy, accurate survey instrument and measuring method; The footpath measuring method adopts screw thread no-go gage and screw thread drift to try to survey footpath size in the processed internal thread in traditional internal thread; The operator often can not accurately estimate drift also not through the time pitch diameter of thread numerical value that also need process, can occur sometimes estimating that process redundancy is forbidden causes the screw thread no-go gage to pass through, thereby the footpath dimension overproof produces waste product in causing.Though a kind of straight bar type internal thread milscale is arranged in the internal thread field of measurement, receive the restriction of processing work internal diameter size, cause measurement range to be restricted, can not measure the middle footpath size of conventional internal thread sooner, more easily.Many with micrometer inside caliper (ZL200920174644.7) and many with digital display micrometer inside caliper (201110071791.3; 201120080275.2) three patents all have certain influence to measuring accuracy in the kind of drive and modular construction design.
Summary of the invention
Too much in order to overcome the inner driving-chain of existing internal thread milscale; Cause the internal thread milscale can't reach the deficiency of perfect precision; The utility model provides a kind of brand-new internal thread milscale, on parts drive mechanism and measuring principle, produces key breakthrough, through effective minimizing with change its gear train inner driving-chain and the kind of drive; Effectively solve conventional internal thread and measured the deficiency of inconvenience, reached the requirement that improves the internal thread measuring accuracy.
The utility model solves the technical scheme that its technical matters adopted: this internal thread milscale, and its composition comprises: can change gauge head, elbow measuring staff, transmission shaft, stop sleeve, microdrum and adjusting knob, blade and be exclusively used in the digital display device of digital display internal thread milscale; It is characterized in that: can change gauge head (13) and (14) and be installed in respectively fixedly on the elbow measuring staff (12) and mobile elbow measuring staff (15); Fixedly elbow measuring staff (12) is connected with blade (9); Moving elbow measuring staff (15) is connected with transmission shaft (28) with stop sleeve (2); Transmission shaft (28) is connected with adjusting knob (7) with microdrum (4), and stop sleeve (2) is connected with microdrum (4) with blade (9), and the blade (9) that is used for digital display internal thread milscale is provided with digital display device (56); Can change gauge head and comprise V-thread gauge head, circle pitch thread gauge head, square thread gauge head and acme thread gauge head, it can change gauge head and comprise and special-purpose can not change gauge head; Fixedly elbow measuring staff (12) be provided with fixedly the elbow measuring staff cooperate with blade plane (37) and fixedly the elbow measuring staff cooperate periphery (38) and register pin (36) with blade; Moving elbow measuring staff (15) is provided with mobile elbow measuring staff scale (1), moves elbow measuring staff internal thread (39), chock (16), the straight wall of arc groove (33) and arc groove sphere (35); Transmission shaft (28) is provided with screw rod (40), ratchet rod mounting hole (41), oil storage tank (26) and ball grooves (27); Stop sleeve (2) is provided with microdrum and cooperates plane (17), microdrum to cooperate periphery (18), microdrum to cooperate periphery (22), bulb dog screw screw (42), stop sleeve to cooperate periphery (43), stop sleeve groove (44) with blade with transmission shaft with stop sleeve with stop sleeve; Microdrum (4) is provided with calibration adjustments hole (5), annular knurl (6), microdrum scale (47), microdrum internal thread hole (48); Adjusting knob (7) is provided with annular knurl (6), handle ratchet wheel (31), adjusting knob threaded hole (49) and adjusting knob and round head screw matching thread (50); Bulb dog screw (32) is provided with bulb dog screw periphery (45) and bulb dog screw sphere (46); This internal thread milscale comprises special-purpose digital display internal thread milscale that has digital display device (56) and the verification frame (53) that is used for checking dimension.
The beneficial effect of the utility model is: reduced the inner driving-chain of internal thread milscale, effectively eliminated the error that driving-chain too much produces, reached the requirement that improves internal thread miking precision.This internal thread milscale can directly be measured the middle footpath size of internal thread, and convenient measurement, quick, accurate.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the front view of internal thread milscale
Fig. 2 is an internal thread milscale cut-open view
Fig. 3 is the cut-open view of internal thread milscale adjusting knob A A
Fig. 4 is the cut-open view of internal thread milscale B-B
Fig. 5 is the cut-open view of internal thread milscale C-C
Fig. 6 is fixing elbow measuring staff synoptic diagram
Fig. 7 moves elbow measuring staff synoptic diagram
Fig. 8 is the transmission shaft synoptic diagram
Fig. 9 is a stop sleeve
Figure 10 is the round head screw synoptic diagram
Figure 11 is the microdrum front view
Figure 12 is the microdrum cut-open view
Figure 13 is the adjusting knob synoptic diagram
Figure 14 can change taper gauge head synoptic diagram
Figure 15 can change V-arrangement gauge head synoptic diagram
Figure 16 can change V-arrangement gauge head right view
Figure 17 can change taper gauge head and packing combination synoptic diagram
Figure 18 can change V-arrangement gauge head and packing combination synoptic diagram
Figure 19 is the packing synoptic diagram.Figure 20 is an internal thread milscale verification frame
Figure 21 is an internal thread milscale work synoptic diagram
Figure 22 has the digital display internal thread milscale of digital display device
Among Fig. 1-Figure 22: 1. move elbow measuring staff scale, 2. stop sleeve, 3. microdrum scale value datum line, 4. microdrum, 5. calibration adjustments hole, 6. annular knurl; 7. adjusting knob, 8. round head screw, 9. blade, 10. thermal insulation board, 11. thermal insulation board gib screws; 12. fixing elbow measuring staff, 13. can change the taper gauge head, and 14. can change the V-type gauge head, and 15. move elbow measuring staff, 16; Chock, 17. microdrums cooperate the plane with stop sleeve, and 18. microdrums cooperate periphery with stop sleeve, 19. springs, 20. stop sleeve sunk screws; 21. ball, 22. microdrums cooperate periphery with transmission shaft, 23. adjusting knob sunk screws, 24. springs, 25. balls; 26. oil storage tank, 27. ball grooves, 28. transmission shafts, 29. springs, 30. ratchets rod; 31. handle ratchet wheel, 32. bulb dog screws, the straight wall of 33. arc grooves, 34. bulb dog screw grooves, 35. arc groove spheres; 36. register pin, 37. fixedly the elbow measuring staff cooperate the plane with blade, 38. fixedly the elbow measuring staff cooperate periphery with blade, 39. move elbow measuring staff internal thread, 40. screw rods; 41. ratchet rod mounting hole, 42. bulb dog screw screws, 43. stop sleevees cooperate periphery with blade, 44. stop sleeve grooves, 45. bulb dog screw peripheries; 46. bulb dog screw sphere, 47. microdrum scales, 48. microdrum internal thread holes, 49. adjusting knob threaded holes, 50. adjusting knobs and round head screw matching thread; 51. the packing groove, 52. packings, 53. verification framves, 54. verification framves with can change gauge head cylinder locating surface, 55. verification framves with can change gauge head plane positioning plane.56. digital display device
Embodiment
In Fig. 1-Figure 22, this internal thread milscale main part comprises: can change gauge head, elbow measuring staff, transmission shaft, stop sleeve, microdrum and adjusting knob, blade and be exclusively used in the digital display device of digital display internal thread milscale; Its interconnect and drive connection following:
Two of this internal thread milscale can change gauge head and be respectively and can change taper gauge head (13) and can change V-type gauge head (14); Be installed in respectively fixedly on the elbow measuring staff (12) and mobile elbow measuring staff (15); Fixedly elbow measuring staff (12) is connected with blade (9); Move elbow measuring staff (15) and be connected with transmission shaft (28) with stop sleeve (2), transmission shaft (28) is connected with adjusting knob (7) with microdrum (4), and stop sleeve (2) is connected with microdrum (4) with blade (9).Blade (9) is being fixed fixedly elbow measuring staff (12) and stop sleeve (2); Stop sleeve (2) is supporting microdrum (4); Microdrum (4) is driving transmission shaft (28); Transmission shaft (28) is driving mobile elbow measuring staff (15) and is moving, and the adjusting knob (7) that transmission shaft (28) is provided with also drives transmission shaft (28) and impels mobile elbow measuring staff (15) to move axially in measuring process.
This internal thread milscale characteristic, structure and embodiment are following:
Two of this internal thread milscale can change gauge head and be respectively and can change taper gauge head (13) and can change V-type gauge head (14); When measuring the screw thread of other type; Can change gauge head can change; The type that can change gauge head comprises V-thread gauge head, circle pitch thread gauge head, square thread gauge head and acme thread gauge head, and it can change gauge head and also comprise and special-purpose can not change gauge head; This can change taper gauge head (13) and can change a kind of the most frequently used preferred version that V-type gauge head (14) is only represented this internal thread milscale screw measurement.This can change taper gauge head (13) and can change V-type gauge head (14) and be provided with the packing groove (51) that is used to install packing (52) and (see Figure 14-Figure 19); Can change taper gauge head (13) and can change the expansive force of V-type gauge head (14) through packing (52) and install and be installed in respectively fixedly on the elbow measuring staff (12) and mobile elbow measuring staff (15); Before the measurement; Can change taper gauge head (13) earlier and can change V-type gauge head (14) and put the corresponding probe location of verification frame (53) place into; Then 0 line scale value of the microdrum scale (47) (seeing Figure 11) on the microdrum (4) is aimed at microdrum scale value datum line (3); When 0 line scale value is not aimed at microdrum scale value datum line (3), regulate through the calibration adjustments hole (5) on the microdrum (4).After finishing, adjusting carries out the secondary verification through microdrum (4) and adjusting knob (7) again; After spring (29), ratchet rod (30) and handle ratchet wheel (31) through adjusting knob (7) the inside send the sound that mechanical drive skids naturally (its structure is seen Fig. 3), the last 0 line scale value of microdrum (4) is still aimed at microdrum scale value datum line (3) and is just calculated the verification completion.Verification frame (53) is provided with and can changes gauge head cylinder locating surface (54) and verification frame and can change gauge head plane positioning plane (55) (its structure is seen Figure 20), to guarantee the accurate of verification frame size.
When the actual measurement internal thread; Shown in figure 21, adopt microdrum (4) and adjusting knob (7) to cooperate too and carry out, microdrum (4) is used for fast moving; Be about to gauge head and move to or shift out surface measurements fast; Adjusting knob (7) then is used for control operation person's measurement spin, promptly when gauge head contact measurement surface or just must use when soon reaching final measurement size numerical value adjusting knob (7) to come control operation person's measurement dynamics, to avoid exerting oneself excessive and measuring error generation.
Two elbow measuring staffs of this internal thread milscale are respectively fixedly elbow measuring staff (12) and mobile elbow measuring staff (15); Fixedly elbow measuring staff (12) be provided with fixedly the elbow measuring staff cooperate with blade plane (37) and fixedly the elbow measuring staff cooperate periphery (38) with blade; As shown in Figure 6; To guarantee the fixedly bearing accuracy of elbow measuring staff (12), also be provided with in its side simultaneously and prevent its register pin that moves (36) (as shown in Figure 5), to guarantee the fixedly bearing accuracy and the intensity of elbow measuring staff (12).Move elbow measuring staff (15) and be provided with demonstration measured workpiece size 0.5mm and the integer-valued mobile elbow measuring staff scale of 1mm (1); When being 30.28mm or 30.58mm like numerical value when measured screw thread; Promptly move elbow measuring staff scale (1) and go up demonstration 30mm or 30.50mm numerical value, remaining fractional value 0.28mm or 0.08mm align expression through microdrum scale (47) and microdrum scale value datum line (3).Move screw rod (40) precision-fit on elbow measuring staff internal thread (39) and the transmission shaft (28), bear transmission of knob power and size Presentation Function that internal thread is measured.The external diameter of chock (16) is identical with the big footpath of mobile elbow measuring staff internal thread (39), and is the transition fit relation, for processing the protective effect (see figure 7) of being done after the fabrication hole that moves elbow measuring staff internal thread (39).Elbow measuring staff (15) be should move and straight wall of arc groove (33) and arc groove sphere (35) were provided with; Limit it with bulb dog screw periphery (45) on the cooperation bulb dog screw (32) and bulb dog screw sphere (46) and move moving axially and locating of elbow measuring staff (15), moving between elbow measuring staff (15) and the stop sleeve (2) is accurate slip cooperating relationship.
Internal thread (39) precision-fit of screw rod (40) that the transmission shaft of this internal thread milscale (28) is provided with and mobile elbow measuring staff is born internal thread jointly and is measured transmission and Presentation Function (see figure 2).Transmission shaft (28) is provided with microdrum and cooperates periphery (22) with transmission shaft, with the cooperate drive connection of assurance transmission shaft (28) with microdrum (4).The spring (29) of its transmission shaft dynamometry of installation and control, ratchet rod (30) and handle ratchet wheel (31) (see figure 3) in ratchet rod mounting hole (41) (see figure 8), oil storage tank (26) is in order to the friction between lubricated ratchet rod (30) and the handle ratchet wheel (31).Ball grooves (27) is used with adjusting knob sunk screw (23), spring (24) and ball (25) and limits the axial location of adjusting knob (7) on transmission shaft (28).
It is fixing that the stop sleeve of this internal thread milscale (2) (seeing Fig. 9, Fig. 2) cooperates periphery (43) to be connected with blade (9) transition fit through stop sleeve and blade; Microdrum on the stop sleeve (2) cooperates plane (17) and microdrum to cooperate periphery (18) carrying microdrum (4) with stop sleeve with stop sleeve cooperation positioning function, stop sleeve groove (44) are used with spring (19), stop sleeve sunk screw (20) and ball (21) and limit the axial location of microdrum (4) on stop sleeve (2).Bulb dog screw screw (42) is used to install bulb dog screw (32).
Annular knurl (6) on the microdrum of this internal thread milscale (4) is used to increase the finger friction when measuring; Microdrum internal thread hole (48) (seeing Figure 12) is used for mounting spring (19), stop sleeve sunk screw (20) and ball (21), and microdrum (4) has transmission transmission shaft (28) knob power and the function that shows thread size on stop sleeve (2).
The adjusting knob of this internal thread milscale (7) is provided with the friction force of annular knurl (6) when increasing its knob; Spring (29) on handle ratchet wheel (31) and the transmission shaft (28), ratchet rod (30) are used the knob power (see figure 3) of regulating and controlling knob (7); When the operator is rotated counterclockwise adjusting knob (7), adjusting knob (7) can drive on transmission shaft (28) and the mobile elbow measuring staff (15) gauge head to measured surface near, when beginning with adjusting knob (7) measuring workpieces; Skidding can take place in handle ratchet wheel (31) and ratchet rod (30) when reaching certain knob power; This shows that this measurement strength has satisfied measurement requirement, can read the measurement numerical value in footpath in the internal thread, after numerical value reads completion; The operator rotates adjusting knob (7) to CW; At this moment ratchet rod (30) can eject under the effect of spring (29) and stick handle ratchet wheel (31), and the gauge head that impels adjusting knob (7) to drive on the transmission shaft (28) leaves measured surface, accomplishes whole measuring process.Install adjustment knob sunk screw (23), spring (24) and ball (25) in the adjusting knob threaded hole (49) on this adjusting knob (7) are so that the axial location of location adjusting knob (7) on transmission shaft (28).Adjusting knob and round head screw matching thread (50) (seeing Figure 13, Fig. 1) cooperate with round head screw (8) this internal thread milscale are played dustproof and effect attractive in appearance.
The straight wall of arc groove (33) on bulb dog screw periphery (45) on the bulb dog screw (32) of this internal thread milscale and bulb dog screw sphere (46) (seeing Figure 10, Fig. 4) and the mobile elbow measuring staff (15) and arc groove sphere (35) be used control mobile elbow measuring staff (15) move axially precision and position, its bulb dog screw groove (34) is the processing technology groove.
The digital display device of this internal thread milscale (56) (seeing Figure 22) is exclusively used on the digital display internal thread milscale of this internal thread milscale, and the digital display technique that the gear train of its digital display device and this internal thread milscale takes place is a known technology, repeats no more at this.
The verification frame (53) of this internal thread milscale is the accessory kit of this internal thread milscale, and used when being mainly used in the initial measuring basis of this internal thread of verification, method of calibration belongs to routine techniques, and the changed gauge head on its verification frame (53) also comprises the fixed gauge head.Thermal insulation board (10) on the blade of this internal thread milscale (9) is fixing by thermal insulation board gib screw (11), is mainly used in the measurement of precision.
Footpath survey instrument and method are compared in this internal thread milscale and the traditional internal thread; Design ingenious, simple, reasonable, accurate; Can measure the middle footpath size of internal thread accurately and effectively,, improve the internal thread machining precision and offer convenience for saving operator's Measuring Time; Be the novel product of internal thread field of measurement, positive impetus will be arranged the progress of mechanical processing technique.

Claims (10)

1. internal thread milscale, its composition comprises: can change gauge head, elbow measuring staff, transmission shaft, stop sleeve, microdrum and adjusting knob, blade and be exclusively used in the digital display device of digital display internal thread milscale; It is characterized in that: can change gauge head (13) and (14) and be installed in respectively fixedly on the elbow measuring staff (12) and mobile elbow measuring staff (15); Fixedly elbow measuring staff (12) is connected with blade (9); Moving elbow measuring staff (15) is connected with transmission shaft (28) with stop sleeve (2); Transmission shaft (28) is connected with adjusting knob (7) with microdrum (4), and stop sleeve (2) is connected with microdrum (4) with blade (9), and the blade (9) that is exclusively used in digital display internal thread milscale is provided with digital display device (56).
2. internal thread milscale according to claim 1 is characterized in that: can change gauge head and comprise V-thread gauge head, circle pitch thread gauge head, square thread gauge head and acme thread gauge head, it can change gauge head and comprise and special-purpose can not change gauge head.
3. internal thread milscale according to claim 1 is characterized in that: fixedly elbow measuring staff (12) be provided with fixedly the elbow measuring staff cooperate with blade plane (37) and fixedly the elbow measuring staff cooperate periphery (38) and register pin (36) with blade.
4. internal thread milscale according to claim 1 is characterized in that: move elbow measuring staff (15) and be provided with mobile elbow measuring staff scale (1), move elbow measuring staff internal thread (39), chock (16), the straight wall of arc groove (33) and arc groove sphere (35).
5. internal thread milscale according to claim 1 is characterized in that: transmission shaft (28) is provided with screw rod (40), ratchet rod mounting hole (41), oil storage tank (26) and ball grooves (27).
6. internal thread milscale according to claim 1 is characterized in that: stop sleeve (2) is provided with microdrum and cooperates plane (17), microdrum to cooperate periphery (18), microdrum to cooperate periphery (22), bulb dog screw screw (42), stop sleeve to cooperate periphery (43), stop sleeve groove (44) with blade with transmission shaft with stop sleeve with stop sleeve.
7. internal thread milscale according to claim 1 is characterized in that: microdrum (4) is provided with calibration adjustments hole (5), annular knurl (6), microdrum scale (47), microdrum internal thread hole (48).
8. internal thread milscale according to claim 1 is characterized in that: adjusting knob (7) is provided with annular knurl (6), handle ratchet wheel (31), adjusting knob threaded hole (49) and adjusting knob and round head screw matching thread (50).
9. internal thread milscale according to claim 1 is characterized in that: bulb dog screw (32) is provided with bulb dog screw periphery (45) and bulb dog screw sphere (46).
10. internal thread milscale according to claim 1 is characterized in that: this internal thread milscale comprises special-purpose digital display internal thread milscale that has digital display device (56) and the verification frame (53) that is used for checking dimension.
CN2011202847194U 2011-08-08 2011-08-08 Female thread micrometer CN202188801U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202847194U CN202188801U (en) 2011-08-08 2011-08-08 Female thread micrometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202847194U CN202188801U (en) 2011-08-08 2011-08-08 Female thread micrometer

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CN202188801U true CN202188801U (en) 2012-04-11

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Application Number Title Priority Date Filing Date
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013020373A1 (en) * 2011-08-08 2013-02-14 苏州蓝王机床工具科技有限公司 Internal thread micrometer
WO2013037190A1 (en) * 2011-09-16 2013-03-21 苏州蓝王机床工具科技有限公司 Inner diameter micrometer
CN103604345A (en) * 2013-10-16 2014-02-26 格林精密部件(苏州)有限公司 Worm intermediate diameter measuring device
CN104567580A (en) * 2014-11-28 2015-04-29 华瑞电器股份有限公司 Measurement device and measurement method of contact piece of commutator
CN105222692A (en) * 2015-09-30 2016-01-06 中航飞机起落架有限责任公司 A kind of MJ internal thread finish rolling hardening flow amount testing tool and detection method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013020373A1 (en) * 2011-08-08 2013-02-14 苏州蓝王机床工具科技有限公司 Internal thread micrometer
GB2507915B (en) * 2011-08-08 2017-09-13 Suzhou Blue King Machine Tools Tech Co Ltd Internal thread micrometer
GB2507915A (en) * 2011-08-08 2014-05-14 Suzhou Blue King Machine Tools Technology Co Ltd Internal thread micrometer
GB2509447A (en) * 2011-09-16 2014-07-02 Suzhou Blue King Machine Tools Technology Co Ltd Inner diameter micrometer
WO2013037190A1 (en) * 2011-09-16 2013-03-21 苏州蓝王机床工具科技有限公司 Inner diameter micrometer
CN103604345A (en) * 2013-10-16 2014-02-26 格林精密部件(苏州)有限公司 Worm intermediate diameter measuring device
CN104567580A (en) * 2014-11-28 2015-04-29 华瑞电器股份有限公司 Measurement device and measurement method of contact piece of commutator
CN105222692A (en) * 2015-09-30 2016-01-06 中航飞机起落架有限责任公司 A kind of MJ internal thread finish rolling hardening flow amount testing tool and detection method

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Address after: Suzhou City, Jiangsu Province, 215163 Branch Road, Science City high tech Zone No. 18 B building 3 floor glass room

Patentee after: Sun Shengqiang

Address before: 221140 room 2, building 22, building two, 501 West Ring Road, Xuzhou, Jiangsu, China

Patentee before: Sun Shengqiang

C41 Transfer of patent application or patent right or utility model
ASS Succession or assignment of patent right

Owner name: SUZHOU LANWANG MACHINE TOOL TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: SUN SHENGQIANG

Effective date: 20140509

TR01 Transfer of patent right

Effective date of registration: 20140509

Address after: Suzhou City, Jiangsu Province, 215163 Branch Road, Science City high tech Zone No. 18 B building 3 floor glass room

Patentee after: Suzhou Lanwang Machine Tool Science & Technology Co., Ltd.

Address before: Suzhou City, Jiangsu Province, 215163 Branch Road, Science City high tech Zone No. 18 B building 3 floor glass room

Patentee before: Sun Shengqiang

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120411

Termination date: 20160808