CN208248214U - It is a kind of can Quick overhaul railway signal lamp - Google Patents

It is a kind of can Quick overhaul railway signal lamp Download PDF

Info

Publication number
CN208248214U
CN208248214U CN201820808314.8U CN201820808314U CN208248214U CN 208248214 U CN208248214 U CN 208248214U CN 201820808314 U CN201820808314 U CN 201820808314U CN 208248214 U CN208248214 U CN 208248214U
Authority
CN
China
Prior art keywords
signal lamp
groove
spring
slide bar
annulus
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 - Fee Related
Application number
CN201820808314.8U
Other languages
Chinese (zh)
Inventor
孔筱筱
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.)
Nanjing Institute of Railway Technology
Original Assignee
Nanjing Institute of Railway Technology
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 Nanjing Institute of Railway Technology filed Critical Nanjing Institute of Railway Technology
Priority to CN201820808314.8U priority Critical patent/CN208248214U/en
Application granted granted Critical
Publication of CN208248214U publication Critical patent/CN208248214U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses it is a kind of can Quick overhaul railway signal lamp, including mounting base, link block is fixedly connected in the middle part of the mounting base lower surface, the middle part of the link block lower surface in the middle part of elastic device and backing plate upper surface by being fixedly connected, and the middle part of the lower surface of backing plate and lamp holder upper surface overlaps, the lower surface of the lamp holder is provided with signal lamp ontology, is fixedly connected to connecting rod at left and right sides of the lamp holder upper surface.This can Quick overhaul railway signal lamp, by the way that annulus is arranged, gag lever post is fallen into annulus under the effect of gravity, so as to prevent round handle from pushing slide bar to be moved to the left under the action of second spring elastic force, then it pulls another annulus to be moved to the left again and the dismantlement work of signal lamp ontology can be completed, staff does not need when dismantling to signal lamp ontology using spanner, to keep the operation of staff more convenient, to improve work task efficiency.

Description

It is a kind of can Quick overhaul railway signal lamp
Technical field
The utility model relates to railway signal lamp technical field, specially it is a kind of can Quick overhaul railway signal lamp.
Background technique
Signal lamp is a classification in traffic safety product, is to reduce traffic accident to reinforce control of traffic and road Generation, be suitable for the intersections such as cross, T-shaped, controlled by road traffic signal controller, guiding vehicle and pedestrains safety It passes through in an orderly manner.
Railway signal lamp can be improved the service efficiency of railway, improve the situation of railway traffic, therefore obtain extensive Using, and traditional railway signal lamp is fixedly connected using screw, in maintenance, staff is needed to use spanner etc. Tool is dismantled, to keep the operation of staff more troublesome, to reduce the working efficiency of staff.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provide it is a kind of can Quick overhaul railway signal lamp, solve Traditional railway signal lamp is fixedly connected using screw, in maintenance, need staff using the tools such as spanner into Row disassembly, to keep the operation of staff more troublesome, thus the problem of reducing staff's working efficiency.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: it is a kind of can Quick overhaul railway signal lamp, Including mounting base, it is fixedly connected with link block in the middle part of the mounting base lower surface, passes through in the middle part of the link block lower surface It is fixedly connected in the middle part of elastic device and backing plate upper surface, and the middle part of the lower surface of backing plate and lamp holder upper surface overlaps, institute The lower surface for stating lamp holder is provided with signal lamp ontology, is fixedly connected to connecting rod at left and right sides of the lamp holder upper surface, institute The side for stating connecting rod offers the second limit hole, is provided with slide bar in second limit hole, the left end of the slide bar and the The left side of one groove inner wall overlaps, and the first groove is provided with the right side of link block, the outer surface socket of the slide bar There is sliding sleeve, the sliding sleeve is connected to the side of connecting plate, and the upper surface of connecting plate is fixedly connected on the lower surface of mounting base, The outer surface of the slide bar is socketed with second spring, and the left end of the second spring is fixedly connected on the right side of sliding sleeve, described The other end of second spring is fixedly connected on the left side of round handle, and the left side of circle handle is fixedly connected with the right end of slide bar, It is fixedly connected with annulus in the middle part of the round handle right side, gag lever post, a left side for the gag lever post are provided on the right side of the annulus Right two sides are fixedly connected to sliding block, and two sliding blocks are slidably connected at third groove inner wall left and right sides respectively and open up Second sliding slot in, the third groove is provided with the lower surface of mounting base.
Preferably, the position of corresponding two connecting rods in the mounting base lower surface offers the second groove, and second The depth of groove is adapted with the length of connecting rod.
Preferably, the elastic device includes the first spring of telescopic rod and the socket of flexible rod outer surface, the telescopic rod It is fixedly connected with one end of the first spring in the lower surface of link block, the other end of the telescopic rod and the first spring is fixed It is connected to the upper surface of backing plate.
Preferably, the telescopic rod includes shell, and the top of the shell is fixedly connected on the lower surface of link block, described The bottom end of shell offers the first limit hole, and inner casing is provided in first limit hole, and the bottom end of the inner casing is fixedly connected In the upper surface of backing plate, the bottom end of the inner casing is fixedly connected with slide plate, and the left and right sides of the slide plate are slidably connected respectively In the first sliding groove that wall left and right sides open up inside the shell.
Preferably, the shape of the second sliding slot is T-shaped, and the shape of the sliding block is T-shaped.
Preferably, the shape of second limit hole, the first groove and slide bar is rectangle, and the internal diameter of the first groove Size is adapted with the outer diameter of slide bar.
(3) beneficial effect
The utility model provide it is a kind of can Quick overhaul railway signal lamp, have it is following the utility model has the advantages that
(1), this can the railway signal lamp of Quick overhaul pulling before annulus moves right, needing by the way that annulus is arranged Gag lever post is pushed to move up, gag lever post is located at the top of annulus under the action of thrust, then applies drawing to the right to annulus It can be by circle grip strip moving slide-bar in cunning during power, annulus move right under the action of pulling force, and annulus moves right Pulling of the second spring in round the handle in the process until left end of slide bar is located at the right side of the second limit hole is slided in set to the right Under do stretching routine, second spring applies elastic force to the left to circle handle using the elasticity of itself, and annulus is located at gag lever post at this time Underface removes the thrust acted on gag lever post, and gag lever post is fallen into annulus under the effect of gravity, so as to prevent Only justify handle pushes slide bar to be moved to the left under the action of second spring elastic force, then another annulus is pulled to be moved to the left simultaneously again The dismantlement work of signal lamp ontology can be completed, staff is not needed when dismantling to signal lamp ontology using spanner, To keep the operation of staff more convenient, to improve work task efficiency.
(2), this can Quick overhaul railway signal lamp, by be arranged elastic device, by slide bar be inserted into the first groove when need To apply upward thrust to elastic device, the first spring in elastic device is compressed because of stress, at this time the first spring benefit Downward elastic force can be applied to lamp holder by backing plate with the elasticity of itself, to make the connection between slide bar and the second limit hole It is more close, so that signal lamp ontology can be consolidated more after being mounted, by the second groove of setting and the second limit hole, lead to The positional relationship between the second groove and several second limit holes is overregulated, the height of adjustment signal lamp ontology is thus allowed for Degree, so that the indicating effect of signal lamp ontology is more preferable.
(3), this can Quick overhaul railway signal lamp, by be arranged telescopic rod, telescopic rod, which can reduce the first spring, to be done The deformation quantity of double swerve when stretching motion, so as to guarantee the service life of the first spring, by setting second sliding slot and The shape of sliding block, second sliding slot and sliding block is T-shaped, so that gag lever post can be more stable during declining, so as to Gag lever post is enough improved to the locating effect of annulus, and the utility model which has a compact structure and a reasonable design, it is practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the utility model is faced;
Fig. 2 is the structural schematic diagram amplified at A in the utility model Fig. 1;
Fig. 3 is the structural schematic diagram amplified at B in the utility model Fig. 1;
Fig. 4 is the schematic diagram of the section structure that the utility model telescopic rod is faced;
Fig. 5 is the schematic diagram of the section structure that the utility model second sliding slot is overlooked.
In figure: A1 mounting base, A2 link block, A3 elastic device, the first spring of A31, A32 telescopic rod, A321 shell, A322 Slide plate, A323 inner casing, A324 first sliding groove, the first limit hole of A325, A4 backing plate, A5 lamp holder, A6 signal lamp ontology, A7 connection Bar, the second limit hole of A8, A9 slide bar, the first groove of A10, A11 sliding sleeve, A12 connecting plate, A13 second spring, A14 circle handle, A15 Annulus, the second groove of A16, A17 gag lever post, A18 sliding block, A19 second sliding slot, A20 third groove.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-5, the utility model provides a kind of technical solution: it is a kind of can Quick overhaul railway signal lamp, packet Mounting base 1 is included, the position of corresponding two connecting rods 7 in 1 lower surface of mounting base offers the second groove 16, and the second groove 16 Depth be adapted with the length of connecting rod 7, by setting the second groove 16 and the second limit hole 8, by adjusting the second groove Positional relationship between 16 and several second limit holes 8 thus allows for the height of adjustment signal lamp ontology 6, so that letter The indicating effect of signal lamp ontology 6 is more preferable, and link block 2 is fixedly connected in the middle part of 1 lower surface of mounting base, 2 lower surface of link block By being fixedly connected in the middle part of elastic device 3 and 4 upper surface of backing plate, elastic device 3 includes telescopic rod 32 and telescopic rod 32 at middle part One end of first spring 31 of outer surface socket, telescopic rod 32 and the first spring 31 is fixedly connected in the lower surface of link block 2, The other end of telescopic rod 32 and the first spring 31 is fixedly connected in the upper surface of backing plate 4, by the way that elastic device 3 is arranged, will be slided Bar 9 be inserted into the first groove 10 when need to apply elastic device 3 upward thrust, the first spring 31 in elastic device 3 because by Power and compressed, at this time the first spring 31 using itself elasticity can apply downward elastic force to lamp holder 5 by backing plate 4, from And keep the connection between slide bar 9 and the second limit hole 8 more close, so that signal lamp ontology 6 can be more steady after being mounted Gu telescopic rod 32 includes shell 321, the top of shell 321 is fixedly connected on the lower surface of link block 2, and the bottom end of shell 321 is opened Equipped with the first limit hole 325, inner casing 323 is provided in the first limit hole 325, the bottom end of inner casing 323 is fixedly connected on backing plate 4 Upper surface, the bottom end of inner casing 323 are fixedly connected with slide plate 322, and the left and right sides of slide plate 322 are slidably connected at shell respectively In the first sliding groove 324 that 321 inner wall left and right sides open up, by the way that telescopic rod 32 is arranged, telescopic rod 32 can reduce first The deformation quantity of double swerve when spring 31 does stretching motion, so as to guarantee the service life of the first spring 31, and backing plate 4 Lower surface and the middle part of 5 upper surface of lamp holder overlap, the lower surface of lamp holder 5 is provided with signal lamp ontology 6,5 upper surface of lamp holder The left and right sides is fixedly connected to connecting rod 7, and the side of connecting rod 7 offers the second limit hole 8, and the second limit hole 8, first is recessed The shape of slot 10 and slide bar 9 is rectangle, and the internal diameter of the first groove 10 is adapted with the outer diameter of slide bar 9, is led to Setting slide bar 9 is crossed, slides slide bar 9 to the right in sliding sleeve 11 until the left end of slide bar 9 is located at the right side of the second limit hole 8, from And limitation of the slide bar 9 to the second limit hole 8 can be released, slide bar 9, the left end of slide bar 9 and first are provided in the second limit hole 8 The left side of 10 inner wall of groove overlaps, and the first groove 10 is provided with the right side of link block 2, the outer surface socket of slide bar 9 There is sliding sleeve 11, sliding sleeve 11 is connected to the side of connecting plate 12, and the upper surface of connecting plate 12 is fixedly connected under mounting base 1 Surface, the outer surface of slide bar 9 are socketed with second spring 13, by the way that gag lever post 17, meeting during circle handle 14 moves right is arranged Second spring 13 is pulled to do stretching routine, second spring 13 applies elastic force to the left to circle handle 14 using the elasticity of itself, at this time Gag lever post 17 is placed in annulus 15, so as to prevent round handle 14 pushed under the action of 13 elastic force of second spring slide bar 9 to It moves left, the left end of second spring 13 is fixedly connected on the right side of sliding sleeve 11, and the other end of second spring 13 is fixedly connected on The left side of circle handle 14, and the left side of circle handle 14 is fixedly connected with the right end of slide bar 9, and the middle part of circle 14 right side of handle is fixed It is connected with annulus 15, the right side of annulus 15 is provided with gag lever post 17, and the left and right sides of gag lever post 17 are fixedly connected to sliding block 18, and two sliding blocks 18 are slidably connected at respectively in the second sliding slot 19 that 20 inner wall left and right sides of third groove open up, the The shape of two sliding slots 19 be it is T-shaped, the shape of sliding block 18 be it is T-shaped, pass through setting second sliding slot 19 and sliding block 18, second sliding slot 19 and sliding block 18 shape be it is T-shaped so that gag lever post 17 decline during can be more stable, so as to improve limit Position bar 17 is provided with the lower surface of mounting base 1 to the locating effect of annulus 15, third groove 20.
In use, needing that gag lever post 17 is pushed to move up, gag lever post 17 is pushing away before pulling annulus 15 to move right Be located at the top of annulus 15 under the action of power, pulling force to the right then applied to annulus 15, annulus 15 under the action of pulling force to Move right, and during annulus 15 moves right can by circle handle 14 with moving slide-bar 9 in sliding sleeve 11 sliding to the right until The left end of slide bar 9 is located at the right side of the second limit hole 8, and second spring 13 does stretching, extension fortune under the pulling of circle handle 14 in the process Dynamic, second spring 13 applies elastic force to the left to circle handle 14 using the elasticity of itself, and annulus 15 is being located at gag lever post 17 just at this time Lower section removes the thrust acted on gag lever post 17, and gag lever post 17 is fallen under the effect of gravity in annulus 15, so as to To prevent round handle 14 from pushing slide bar 9 to be moved to the left under the action of 13 elastic force of second spring, another annulus is then pulled again 15 are moved to the left, and release two slide bars 9 connection relationship between two the second limit holes 8 respectively, in succession so as to complete letter The dismantlement work of signal lamp ontology 6.
Can to sum up obtain, (1), this can Quick overhaul railway signal lamp, by be arranged annulus 15, pull annulus 15 to the right It before movement, needs that gag lever post 17 is pushed to move up, gag lever post 17 is located at the top of annulus 15 under the action of thrust, then Pulling force to the right is applied to annulus 15, during annulus 15 moves right under the action of pulling force, and annulus 15 moves right It can be slided to the right in sliding sleeve 11 by circle handle 14 with moving slide-bar 9 until the left end of slide bar 9 is located at the right side of the second limit hole 8 Side, second spring 13 does stretching routine under the pulling of circle handle 14 in the process, and second spring 13 is right using the elasticity of itself Circle handle 14 applies elastic force to the left, and annulus 15 is located at the underface of gag lever post 17 at this time, removes and acts on pushing away on gag lever post 17 Power, gag lever post 17 are fallen under the effect of gravity in annulus 15, so as to prevent round handle 14 in 13 elastic force of second spring Under the action of push slide bar 9 be moved to the left, then pull another annulus 15 to be moved to the left again and signal lamp sheet can be completed The dismantlement work of body 6, staff does not need when dismantling to signal lamp ontology 6 using spanner, to make staff Operation it is more convenient, to improve work task efficiency.
(2), this can Quick overhaul railway signal lamp, by be arranged elastic device 3, by slide bar 9 be inserted into the first groove 10 When need to apply elastic device 3 upward thrust, the first spring 31 in elastic device 3 is compressed because of stress, at this time One spring 31 can apply downward elastic force to lamp holder 5 by backing plate 4 using the elasticity of itself, so that slide bar 9 and second be made to limit Connection between the hole 8 of position is more close, so that signal lamp ontology 6 can be consolidated more after being mounted, it is recessed by setting second Slot 16 and the second limit hole 8, by adjusting the positional relationship between the second groove 16 and several second limit holes 8, so as to The height of signal lamp ontology 6 is enough adjusted, so that the indicating effect of signal lamp ontology 6 is more preferable.
(3), this can Quick overhaul railway signal lamp, by the way that telescopic rod 32 is arranged, telescopic rod 32 can reduce the first bullet The deformation quantity of double swerve when spring 31 does stretching motion passes through setting the so as to guarantee the service life of the first spring 31 The shape of two sliding slots 19 and sliding block 18, second sliding slot 19 and sliding block 18 be it is T-shaped so that gag lever post 17 decline during meeting More stable, so as to improve gag lever post 17 to the locating effect of annulus 15, and the utility model is compact-sized, and design is closed Reason, it is practical.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. one kind can Quick overhaul railway signal lamp, including mounting base (1), it is characterised in that: mounting base (1) lower surface Middle part be fixedly connected with link block (2), the middle part of link block (2) lower surface passes through on elastic device (3) and backing plate (4) It is fixedly connected in the middle part of surface, and the middle part of the lower surface of backing plate (4) and lamp holder (5) upper surface overlaps, the lamp holder (5) Lower surface is provided with signal lamp ontology (6), is fixedly connected to connecting rod (7), institute at left and right sides of lamp holder (5) upper surface The side for stating connecting rod (7) offers the second limit hole (8), is provided with slide bar (9), the cunning in second limit hole (8) The left end of bar (9) and the left side of the first groove (10) inner wall overlap, and the first groove (10) is provided with the right side of link block (2) The outer surface of side, the slide bar (9) is socketed with sliding sleeve (11), and the sliding sleeve (11) is connected to the side of connecting plate (12), and And the upper surface of connecting plate (12) is fixedly connected on the lower surface of mounting base (1), the outer surface of the slide bar (9) is socketed with second Spring (13), the left end of the second spring (13) are fixedly connected on the right side of sliding sleeve (11), the second spring (13) The other end is fixedly connected on the left side of round handle (14), and the left side of circle handle (14) is fixedly connected with the right end of slide bar (9), It is fixedly connected with annulus (15) in the middle part of round handle (14) right side, is provided with gag lever post on the right side of the annulus (15) (17), the left and right sides of the gag lever post (17) are fixedly connected to sliding block (18), and two sliding blocks (18) company of sliding respectively It connects in the second sliding slot (19) that third groove (20) inner wall left and right sides open up, the third groove (20) is provided with peace Fill the lower surface of seat (1).
2. one kind according to claim 1 can Quick overhaul railway signal lamp, it is characterised in that: the mounting base (1) The position of corresponding two connecting rods (7) in lower surface offers the second groove (16), and the depth of the second groove (16) and company The length of extension bar (7) is adapted.
3. one kind according to claim 1 can Quick overhaul railway signal lamp, it is characterised in that: the elastic device It (3) include the first spring (31) of telescopic rod (32) and the socket of telescopic rod (32) outer surface, the telescopic rod (32) and the first bullet One end of spring (31) is fixedly connected in the lower surface of link block (2), the telescopic rod (32) and the first spring (31) it is another End is fixedly connected in the upper surface of backing plate (4).
4. one kind according to claim 3 can Quick overhaul railway signal lamp, it is characterised in that: the telescopic rod (32) Including shell (321), the top of the shell (321) is fixedly connected on the lower surface of link block (2), the shell (321) Bottom end offers the first limit hole (325), is provided with inner casing (323) in first limit hole (325), the inner casing (323) Bottom end be fixedly connected on the upper surfaces of backing plate (4), the bottom end of the inner casing (323) is fixedly connected with slide plate (322), the cunning The left and right sides of plate (322) are slidably connected at the first sliding groove (324) that shell (321) inner wall left and right sides open up respectively It is interior.
5. one kind according to claim 1 can Quick overhaul railway signal lamp, it is characterised in that: the second sliding slot (19) shape be it is T-shaped, the shape of the sliding block (18) is T-shaped.
6. one kind according to claim 1 can Quick overhaul railway signal lamp, it is characterised in that: second limit hole (8), the shape of the first groove (10) and slide bar (9) is rectangle, and the internal diameter of the first groove (10) and slide bar (9) Outer diameter is adapted.
CN201820808314.8U 2018-05-29 2018-05-29 It is a kind of can Quick overhaul railway signal lamp Expired - Fee Related CN208248214U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820808314.8U CN208248214U (en) 2018-05-29 2018-05-29 It is a kind of can Quick overhaul railway signal lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820808314.8U CN208248214U (en) 2018-05-29 2018-05-29 It is a kind of can Quick overhaul railway signal lamp

Publications (1)

Publication Number Publication Date
CN208248214U true CN208248214U (en) 2018-12-18

Family

ID=64651558

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820808314.8U Expired - Fee Related CN208248214U (en) 2018-05-29 2018-05-29 It is a kind of can Quick overhaul railway signal lamp

Country Status (1)

Country Link
CN (1) CN208248214U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110216730A (en) * 2019-05-27 2019-09-10 南通誉力智能装备有限公司 A kind of single face corrugated board production cadre's equipment production line
CN111441999A (en) * 2020-04-29 2020-07-24 杜浩 Oven exhaust fan with noise reduction function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110216730A (en) * 2019-05-27 2019-09-10 南通誉力智能装备有限公司 A kind of single face corrugated board production cadre's equipment production line
CN111441999A (en) * 2020-04-29 2020-07-24 杜浩 Oven exhaust fan with noise reduction function

Similar Documents

Publication Publication Date Title
CN208248214U (en) It is a kind of can Quick overhaul railway signal lamp
CN103786010B (en) A kind of step-feeding fingertip-spring automatic assembling apparatus
CN206509705U (en) Double jump ring material pressing device
CN208230564U (en) A kind of automobile panel apparatus for shaping
CN102641987A (en) Automatic rivet dismounting device
CN210501021U (en) Mold demolding device
CN202894077U (en) Package riveting die of cylinder piece
CN205057444U (en) Bearing press fit device of door carrying frame transfer lines of assembling
CN202921851U (en) Cone forging die
CN211192827U (en) Key pendant assembling machine
CN210358941U (en) Automatic feeding device
CN204603040U (en) Automobile brake master cylinder installs stiffener to side flanging die
CN104209442B (en) Automatic riveting machine
CN203917625U (en) A kind of riveting electric machine support needle shaft die device
CN206203436U (en) Paper holder
CN208146843U (en) A kind of rivet cold upsetting forming die facilitating adjusting
CN202591529U (en) Automatic rivet dismounting device
CN205613621U (en) A novel equipment for assembling spray gun nozzle
CN205341719U (en) Continuous riveting set of LED fin
CN206153489U (en) It is two towards formula gas -liquid squeeze riveter
CN201832915U (en) Automatic discharging device for cold punch die
CN205241564U (en) Detonator reverse mould automated production equipment
CN204183950U (en) Device at the bottom of the rushing glass of a kind of Disposable paper cup machine
CN201274820Y (en) Machine for automatically assembling zipper head
CN208879480U (en) Railway freight-car circlip molding die

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
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: 20181218

Termination date: 20190529