CN2454845Y - Building-block model group of drive mechanism - Google Patents
Building-block model group of drive mechanism Download PDFInfo
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- CN2454845Y CN2454845Y CN 00265952 CN00265952U CN2454845Y CN 2454845 Y CN2454845 Y CN 2454845Y CN 00265952 CN00265952 CN 00265952 CN 00265952 U CN00265952 U CN 00265952U CN 2454845 Y CN2454845 Y CN 2454845Y
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- building blocks
- gear
- frame plate
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Abstract
The utility model relates to a building-block model group of drive mechanisms. Two opposite rack plates are provided with drive mechanisms, and each rack plate is provided with a cross slide way, a plurality of drive shaft holes and a plurality of long grooves; each corner of the two opposite rack plates is provided with parallel combined pad blocks, and the peripheral surface of the parallel combined pad blocks is provided with a caulking groove, wherein, a magnet is buried in the caulking groove. Power shafts of the drive mechanisms can be pivoted on the drive shaft holes, and the tail ends of the power shafts are provided with rotaty heads. The power shafts, side shafts, shaft rods of the drive mechanisms can penetrate into a cross slide groove, and the drive mechanisms can be matched with each other arbitrarily to demonstrate the interlocking relationship and the operating principle of members of the various drive mechanisms.
Description
The utility model relates to a kind ofly can demonstrate the continuous action relation of various gear train members and the gear train building blocks module of operating principle.
Mechanism assembling location and interlock, the various mechanical component of normal application is reached, for example, plane four connection rod set, crank block group, plate cam group, gear set, belt group, chain group screw rod group .. or the like, and the design kenel of various mechanical components, its specific purpose is all arranged, wherein, plane four connection rod set can present the variation that pulls of connecting rod, and the crank block group can rotate and straight-line conversion, the transformation of speed of gear set, the rotation interlock .. of belt group and chain group.
Above-mentioned various mechanisms module of a great variety, and on Machine Design is used, designed according to its specific needs, each other, if will form continuous action relation, also to remake the special manufacturing of privileged site, its location is linked, and allow the kinetic force that rotatablely moves reach the Expected Results that transmits or turn to.
In general, Machine Design must relate to the knowledge of considerable science and engineering science and technology, and human cognition for a knowledge, again with as seen, be operable as best lead-in mode in study, though, various mechanical components all can be made into the model shape, go up class hour with reference to understanding for the student, yet, employed various mechanical component models on the present classroom, do not have relative continuous action relation, and different mechanical component models can not combination in any be changed, thus, and the various types of mechanical components of understanding that student's results of learning then only can be stiff, and the continuous action relation of the various mechanical components of indigestion, and the various variations that can form.
The purpose of this utility model is to provide a kind of gear train building blocks module, it is that different mechanical components is set in identical basic framework, make its module that forms the various combinations of conversion arbitrarily, with continuous action relation and the operating principle of demonstrating various gear train members.
The technical solution of the utility model provides a kind of gear train building blocks module, it is characterized in that: it comprises two relative frame plates, in two frame plates, gear train is set, cross chute is set on the frame plate, cross chute is centered close to the frame plate central point, and two vertical chutes are parallel to the frame plate side respectively, near opposite end, cross chute position the transmission axis hole is set respectively on the frame plate diagonal line, several elongated slots are set on the frame plate, two each corners of relative frame plate are provided with parallel combined pad, parallel combined pad side face is provided with caulking groove, and the line shaft of gear train is hubbed in the transmission axis hole, and end is provided with swivel adapter head on the line shaft.
Described gear train building blocks module is characterized in that: this gear train is to be arranged at two connecting rod modules between the relative frame plate.
Described gear train building blocks module is characterized in that: this connecting rod module comprises crank block module or plane four connecting rod modules, double-slider module, gear five connecting rod modules, toggle mechanism module, elevator links module.
Described gear train building blocks module is characterized in that: this gear train is to be arranged at two cam modules between the relative frame plate.
Described gear train building blocks module is characterized in that: this cam module comprises Geneva wheel module or does not have plate cam module, the plate cam module of tool amount of bias, plate cam driven member oscillating motion module, eccentric positive motion cam module, the barrel cam module of amount of bias.
Described gear train building blocks module is characterized in that: this gear train is to be arranged at two gear modules between the relative frame plate.
Described gear train building blocks module is characterized in that: this gear module comprises worm and wormwheel module or straight-tooth spur gear module, helical spur gear module, spiral spur gear module, bevel gear module, spiral bevel gear module.
Described gear train building blocks module is characterized in that: this gear train is to be arranged at two belt chain modules between the relative frame plate.
Described gear train building blocks module is characterized in that: this belt chain module comprises flat belt transmission module or time rule belt gear module, V-shape belt transmission module, circular belt gear module, chain drive module, cable wire transmission module.
Described gear train building blocks module is characterized in that: gear train is to be arranged at two screw rod modules between the relative frame plate.
Described gear train building blocks module is characterized in that: this screw rod module comprises square screw drive module or V-type screw drive module, ladder type screw drive module, ball screw transmission module, anodontia screw drive module, left and right sides screw drive module.
Described gear train building blocks module is characterized in that: gear train is to be arranged at two gear combination modules between the relative frame plate.
Described gear train building blocks module is characterized in that: this gear combination module comprises that gear shift drives module or single entry gear train module, compound gear is module, returns gear train module, epicyclic train of gears module, comes and goes rotation compound gear module.
Described gear train building blocks module, it is characterized in that: form in two of gear train relative joint detection unit, the frame plates outside of assembling and detect modules, comprise rotational speed detect module, space rate detect module, high torsion detect module, low torsion detect module, straight line exert oneself detect module, linear position detects module.
Described gear train building blocks module is characterized in that: detecting unit is connected with the swivel adapter head of gear train with swivel adapter head.
Described gear train building blocks module, it is characterized in that: the swivel adapter head surface is provided with recess and protuberance, and the protuberance of swivel adapter head inserts in the recess of another swivel adapter head.
Described gear train building blocks module is characterized in that: on each corner diagonal line of frame plate several pilot holes are set.
Described gear train building blocks module is characterized in that: bury magnet underground in the caulking groove of parallel combined pad.
Described gear train building blocks module, it is characterized in that: the side shaft of gear train is fixedly arranged in the cross chute.
Described gear train building blocks module, it is characterized in that: the axostylus axostyle of gear train is arranged in the cross chute.
Advantage of the present utility model is: can form and comprise the connecting rod module, the cam module, the gear module, belt chain module, the screw rod module, the gear combination module, detect module, power supply and CD-ROM drive motor module, and can in teaching, inspire the student, make the student can be familiar with various gear trains, and, can change easily and various assembled arrangement, and for the aided education of science and engineering machinery, can be along with student's age growth, further simulate unitized construction, and calculating power conversion and changing value, comprise that the output of setting up each module goes into (INPUT/OUTPUT) strength, speed, the derivations of equation such as position, analyze, and, can see through the measurer measurement and be verified, can provide the action principle of gear train greatest for the academic training of Fundamentals of Machine Design and benefit and the student can be fully understood.
Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.
Brief Description Of Drawings:
Fig. 1 is a frame plate front view (FV) of the present utility model.
Fig. 2 is the Geneva wheel module exploded view that cam is set in the utility model.
Fig. 3 is the Geneva wheel module outside drawing that cam is set in the utility model.
Fig. 4 is the Geneva wheel module front elevation that cam is set in the utility model.
Fig. 5 is the crank block module front elevation that connecting rod is set in the utility model.
Fig. 6 is the worm and wormwheel module front elevation that gear is set in the utility model.
Fig. 7 is the flat belt transmission module front elevation that the belt chain is set in the utility model.
Fig. 8 is the square screw drive module front elevation that screw rod is set in the utility model.
Fig. 9 is that the gear shift that gear combination is set in the utility model drives the module front elevation.
Figure 10 is provided with connecting rod to make the embodiment synoptic diagram that different gear train modules can transferring power in the utility model.
Figure 11 is the embodiment vertical view of a kind of applied in any combination of the utility model.
Figure 12 is the embodiment stereographic map of other applied in any combination of the utility model.
Figure 13 is that gear train module of the present utility model cooperates detecting unit to form the enforcement illustration that detects module.
At first, please cooperate referring to Figure 1 and Figure 2, wherein, basic framework of the present utility model is to have two relative frame plates 10, cross chute 11 is set on the frame plate 10, cross chute 11 is centered close to frame plate 10 central points, and two vertical chutes are parallel to frame plate 10 sides individually, on frame plate 10 each corner diagonal line several pilot holes 19 are set, and on frame plate 10 diagonal line, transmission axis hole 12 is set respectively near opposite end, cross chute 11 position, one transmission axis hole 12 is H1 apart from frame plate 10 sides, and another transmission axis hole 12 is H2 apart from frame plate 10 with side, no matter make frame plate 10 beyonds stand on the plane these relations is arranged all.
As Fig. 2, Fig. 3, shown in Figure 4, be 10 of two relative frame plates of basic framework, the Geneva wheel module 20 of cam is set, the line shaft 21 of this Geneva wheel module 20 can pass axle sleeve 13, and be hubbed in the transmission axis hole 12, and swivel adapter head 14 is set in line shaft 21 ends, swivel adapter head 14 surfaces are provided with recess 141 and protuberance 142, the protuberance 142 of different swivel adapter heads 14 can insert in the recess 141, when making swivel adapter head 14 rotations, power can be transmitted by swivel adapter head 14, Geneva wheel module 20 1 is taken turns driving lever 22 is set, another is taken turns short slot 23 is set, and when line shaft 21 rotations, driving lever 22 can enter in the short slot 23 and to drive another and take turns rotation one angle, form the conversion of rotation and geneva motion, this Geneva wheel module 20 is to belong to one of cam module, and the cam module more comprises and does not have a plate cam module of amount of bias, the plate cam module of tool amount of bias, plate cam driven member oscillating motion module, eccentric positive motion cam module, barrel cam module .. etc., all can be arranged at 10 of two relative frame plates of the utility model basic framework, and formation cam series modularity project organization, this serial module can be made up mutually with other serial modules, reach the various combination function.
Cooperation is referring to shown in Figure 5, its 10 of two relative frame plates that lie in the utility model basic framework are provided with the crank block module 30 of connecting rod, this crank block module 30 has the crank 31 of interlock, crank 31 1 ends are provided with slide block 32, slide block 32 both sides are provided with axostylus axostyle 321, axostylus axostyle 321 is arranged in cross chute 11, crank 31 end in addition then is hubbed at frame plate 10 with line shaft 311, line shaft 311 outer rims are arranged in swivel adapter head 14, so, when rotary power is imported by swivel adapter head 14, can drive crank 30 rotary oscillations, and drive axostylus axostyle 321 displacement in cross chute 11, make the slide block 32 can be reciprocating, again, the connecting rod module is except crank block module 30, more comprise plane four connecting rod modules, the double-slider module, gear five connecting rod modules, the toggle mechanism module, the elevator links module, the fixing motor storage bin .. etc. that reaches, all can be arranged at 10 of two relative frame plates of the utility model basic framework, and formation connecting rod modularity project organization, this serial module can be made up mutually with other serial modules, reach the various combination function.
Again as shown in Figure 6, it then is the worm and wormwheel module 40 that gear is set 10 of two of the utility model basic framework relative frame plates, the worm screw 41 of worm and wormwheel module 40 is hubbed at fixed block 16, fixed block 16 both sides are resisted against two frame plates, 10 inboards, and be locked in the cross chute 11 with screw and located, line shaft 411 ends of worm screw 41 then are arranged in swivel adapter head 14, again, worm gear 42 is to be hubbed at 10 of two relative frame plates with line shaft 43, the tooth mesh that makes worm gear 42 is in worm screw 41, so when worm screw 41 line shafts 411 are subjected to the rotary power rotation of swivel adapter head 14 inputs, can drive worm gear 42 rotates slowly, and rotary power is converted to another axial swivel adapter head 14 outwards to be transmitted, and because line shaft 411 is between two relative frame plates 10, and pass by side, it highly meets aforementioned H1 height, make swivel adapter head set on the line shaft 411 14 be connected transferring power with the also swivel adapter head 14 of its module, again, the gear module is except worm and wormwheel module 40, more comprise straight-tooth spur gear module, the helical spur gear module, the spiral spur gear module, the bevel gear module, spiral bevel gear module .. etc., all can be arranged at 10 of two relative frame plates of the utility model basic framework, and formative gear modularity project organization, this serial module can be made up mutually with other serial modules, reach the various combination function.
Again as shown in Figure 7, it then is the flat belt transmission module 50 that the belt chain is set 10 of two of the utility model basic framework relative frame plates, its driving wheel 51 is hubbed at frame plate 10 with line shaft 52, the side shaft 541 of two engaged wheels 54 is inserted cross chute 11, and locked in the appropriate location and to be set the position, and elongated slot 17 is set on frame plate 10, the line shaft 531 of idle pulley 53 is inserted elongated slot 17, and set in lock and to be positioned at the appropriate location, side shaft 541, bearing is set on 531, engaged wheel 54 and idle pulley 53 can be rotated, one flat belt 55 is set around driving wheel 51, on idle pulley 53 and the engaged wheel 54, line shaft 14 ends are provided with swivel adapter head 14, so, when rotary power is imported by swivel adapter head 14, can drive flat belt 55 rotations by driving wheel 51, again, belt chain module is except flat belt transmission module 50, rule belt gear module when more comprising, V-shape belt transmission module, circular belt gear module, the chain drive module, cable wire transmission module .. etc., all can be arranged at 10 of two relative frame plates of the utility model basic framework, and formation belt chain modularity project organization, this serial module can be made up mutually with other serial modules, reach the various combination function.
As shown in Figure 8, it is the square screw drive module 60 that screw rod is set 10 of two of the utility model basic framework relative frame plates, it lies in 10 of two relative frame plates two fixed blocks 16 is set, two fixed blocks, 16 sides are resisted against two relative frame plate 10 inboards, and penetrate cross chute 11 and lock fixed block 16 sides fastening in addition with screw, be provided with in 16 of two fixed blocks, following two guide rods 18, wear a slide unit 63 on two guide rods 18, and at 16 sides of setting of two fixed blocks tooth screw rod 61, line shaft 62 two ends of side's tooth screw rod 61 are provided with swivel adapter head 14, the place is provided with screw and 61 engagements of square tooth screw rod in the middle of the slide unit 63, therefore, when rotary power is imported by swivel adapter head 14,61 rotations of side's tooth screw rod, can drive slide unit 63 displacements, and if the rotary power of input is when forming intermittent rotating, slide unit 63 can produce shift reciprocately, again, the screw rod module is except square screw drive module 60, more comprise V-type screw drive module, ladder type screw drive module, ball screw transmission module, anodontia screw drive module, left and right sides screw drive module .. etc., all can be arranged at 10 of two relative frame plates of the utility model basic framework, and formation screw rod series modularity project organization, this serial module can be made up mutually with other serial modules, reach the various combination function.
Please cooperate again referring to shown in Figure 9, be 10 of two of the utility model basic framework relative frame plates, the gear shift that gear combination is set drives module 70, wherein, tooth bar 71 1 sides are provided with two axostylus axostyles 72, two axostylus axostyles 72 penetrate in the cross chute 11, tooth bar 71 is side and frame plate 10 formation one space in addition, eccentric wheel 74 is positioned at this space and is hubbed at frame plate 10 with line shaft 75, line shaft 75 ends are provided with swivel adapter head 14, one gear 76 is hubbed on two relative frame plates 10 with line shaft 77, gear 76 teeth and the engagement of tooth bar 71 teeth, line shaft 75,77 ends are provided with swivel adapter head 14 respectively, one axostylus axostyle 72 of tooth bar 71 is hubbed at connecting rod 73 1 ends, connecting rod 73 end in addition is hubbed on the set side shaft 72 of eccentric wheel 74 peripheries, and when rotary power is imported by the swivel adapter head 14 of eccentric wheel 74 sides, the rotation of eccentric wheel 74, but drivening rod 73 promotes tooth bar 71, make tooth bar 71 can promote gear 76 rotations, form the transmitting and converting of rotary power and increase rotating speed, again, the gear combination module is except gear shift drives module 70, more comprise single entry gear train module, compound gear is a module, return the gear train module, the epicyclic train of gears module, come and go rotation compound gear module .. etc., all can be arranged at 10 of two relative frame plates of the utility model basic framework, and formative gear combination series modularity project organization, this serial module can be made up mutually with other serial modules, reach the various combination function.
Again, the utility model is on the transmission of power of combination side by side, can be as shown in figure 10, and being set, connecting rod 101 makes the power transmission that can continue between the building blocks module of two gear trains, for example, the building blocks module of one gear train, be two locating pieces 86 to be set 10 of relative frame plates, 86 of two locating pieces are provided with guide rod 88, sheathed spring 874 and slide block 873 is set on the guide rod 88, pulley 872 is set on the slide block 873, on one line shaft 87 cam 871 is set, line shaft 87 ends can be provided with swivel adapter head 14, cam 871 contacts with pulley 872, be with spring 874 try hard to recommend to, and axostylus axostyle 85 is set on slide block 873, the building blocks module of another gear train, then the locating shaft 84 with lifting linking member 83 is locked in cross chute 11, the axostylus axostyle 85 of lifting linking member 83 bottoms then passes cross chute 11, so connecting rod 101 two ends can be hubbed at respectively on the axostylus axostyle 85 of building blocks module of two gear trains, make the to-and-fro movement of an end building blocks module to be transmitted to lifting linking member 83 modules, and can reach power transmission effect by connecting rod 101.
Again, assembled arrangement of the present utility model changes, can cooperate referring to shown in Figure 11, wherein, the utility model is provided with motor 80 10 of two of basic framework relative frame plates, motor 80 front ends are provided with reduction gear box 81, motor 80 power supplys are connected to transformer and constitute power supply and CD-ROM drive motor module 80, line shaft 83 front ends of this power supply and CD-ROM drive motor module 80 are provided with swivel adapter head 14, and the combination and variation of various gear trains, can be with swivel adapter head 14 butt joints of equal altitudes in each mechanism, the protuberance 142 of swivel adapter head 14 can be inserted in the recess 141 of another swivel adapter head, as shown in figure 11, be that module 20 is taken turns in Geneva, worm and wormwheel module 40 and crank block module 30 connect one by one to be established, and termination is established power supply and CD-ROM drive motor module 80 before the wheel module 20 of Geneva, so, the rotary power of starter motor 81 and reduction gear box 82, can transmit to Hou one by one via the swivel adapter head 14 of each gear train, and make each gear train module that continues form the interlock state, combination and variation like this, make each gear train module as building blocks, and can combination in any, again, each gear train module also can upwards pile up another mechanism driving module, as shown in figure 12, makes the magnet 152 of the parallel combined pad 15 of closing can inhale mutually and located, therefore, the transmission of power can be in the space three axially development and combination in any changes.
In addition, the utility model basic framework is set gear train in two relative frame plates 10, can cooperate various detecting units, detect module and form, detecting unit 90 as shown in figure 13, promptly can engage with the gear train module by swivel adapter head 14, form specific detection module, for example, the formed detection module of Figure 13 can detect for torsion, and the pattern detection module form that can form according to this, then comprise: rotational speed detects module, space rate detects module, high torsion detects module, low torsion detects module, the straight line detection module of exerting oneself, linear position detects module, wave angular detection module etc., and can comprise speed with output (OUTPUT) and transmission for the input (INPUT) of rotary power, strength, testings such as position.
Again, the connecting rod module that the utility model constituted, cam module, gear module, belt chain module, screw rod module, gear combination module, detection module, all can insert in the storage bin, and magnetic conductive metal sheet is set at the bottom of the storage bin, can make magnet absorption location set on each module.
Claims (20)
1. gear train building blocks module, it is characterized in that: it comprises two relative frame plates, in two frame plates, gear train is set, cross chute is set on the frame plate, cross chute is centered close to the frame plate central point, and two vertical chutes are parallel to the frame plate side respectively, near opposite end, cross chute position the transmission axis hole is set respectively on the frame plate diagonal line, several elongated slots are set on the frame plate, two each corners of relative frame plate are provided with parallel combined pad, parallel combined pad side face is provided with caulking groove, and the line shaft of gear train is hubbed in the transmission axis hole, and end is provided with swivel adapter head on the line shaft.
2. according to the described gear train building blocks of claim 1 module, it is characterized in that: this gear train is to be arranged at two connecting rod modules between the relative frame plate.
3. according to the described gear train building blocks of claim 2 module, it is characterized in that: this connecting rod module comprises crank block module or plane four connecting rod modules, double-slider module, gear five connecting rod modules, toggle mechanism module, elevator links module.
4. according to the described gear train building blocks of claim 1 module, it is characterized in that: this gear train is to be arranged at two cam modules between the relative frame plate.
5. according to the described gear train building blocks of claim 4 module, it is characterized in that: this cam module comprises Geneva wheel module or does not have plate cam module, the plate cam module of tool amount of bias, plate cam driven member oscillating motion module, eccentric positive motion cam module, the barrel cam module of amount of bias.
6. according to the described gear train building blocks of claim 1 module, it is characterized in that: this gear train is to be arranged at two gear modules between the relative frame plate.
7. according to the described gear train building blocks of claim 6 module, it is characterized in that: this gear module comprises worm and wormwheel module or straight-tooth spur gear module, helical spur gear module, spiral spur gear module, bevel gear module, spiral bevel gear module.
8. according to the described gear train building blocks of claim 1 module, it is characterized in that: this gear train is to be arranged at two belt chain modules between the relative frame plate.
9. described according to Claim 8 gear train building blocks module is characterized in that: this belt chain module comprises flat belt transmission module or time rule belt gear module, V-shape belt transmission module, circular belt gear module, chain drive module, cable wire transmission module.
10. according to the described gear train building blocks of claim 1 module, it is characterized in that: gear train is to be arranged at two screw rod modules between the relative frame plate.
11. according to the described gear train building blocks of claim 10 module, it is characterized in that: this screw rod module comprises square screw drive module or V-type screw drive module, ladder type screw drive module, ball screw transmission module, anodontia screw drive module, left and right sides screw drive module.
12. according to the described gear train building blocks of claim 1 module, it is characterized in that: gear train is to be arranged at two gear combination modules between the relative frame plate.
13. according to the described gear train building blocks of claim 12 module, it is characterized in that: this gear combination module comprises that gear shift drives module or single entry gear train module, compound gear is module, returns gear train module, epicyclic train of gears module, comes and goes rotation compound gear module.
14. according to the described gear train building blocks of claim 1 module, it is characterized in that: form in two of gear train relative joint detection unit, the frame plates outside of assembling and detect modules, comprise rotational speed detect module, space rate detect module, high torsion detect module, low torsion detect module, straight line exert oneself detect module, linear position detects module.
15. according to the described gear train building blocks of claim 1 module, it is characterized in that: detecting unit is connected with the swivel adapter head of gear train with swivel adapter head.
16. according to the described gear train building blocks of claim 1 module, it is characterized in that: the swivel adapter head surface is provided with recess and protuberance, the protuberance of swivel adapter head inserts in the recess of another swivel adapter head.
17., it is characterized in that: on each corner diagonal line of frame plate several pilot holes are set according to the described gear train building blocks of claim 1 module.
18., it is characterized in that: bury magnet underground in the caulking groove of parallel combined pad according to the described gear train building blocks of claim 1 module.
19. according to the described gear train building blocks of claim 1 module, it is characterized in that: the side shaft of gear train is fixedly arranged in the cross chute.
20. according to the described gear train building blocks of claim 1 module, it is characterized in that: the axostylus axostyle of gear train is arranged in the cross chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00265952 CN2454845Y (en) | 2000-12-18 | 2000-12-18 | Building-block model group of drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00265952 CN2454845Y (en) | 2000-12-18 | 2000-12-18 | Building-block model group of drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2454845Y true CN2454845Y (en) | 2001-10-17 |
Family
ID=33620161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00265952 Expired - Lifetime CN2454845Y (en) | 2000-12-18 | 2000-12-18 | Building-block model group of drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2454845Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943022A (en) * | 2014-05-09 | 2014-07-23 | 中国地质大学（武汉） | Combined teaching aid for simulating reversal |
-
2000
- 2000-12-18 CN CN 00265952 patent/CN2454845Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943022A (en) * | 2014-05-09 | 2014-07-23 | 中国地质大学（武汉） | Combined teaching aid for simulating reversal |
| CN103943022B (en) * | 2014-05-09 | 2016-01-06 | 中国地质大学（武汉） | A kind of combined appliance for teaching for simulating reversal process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20101218 Granted publication date: 20011017 |