CN2505807Y - Laser chopper-bar projector - Google Patents
Laser chopper-bar projector Download PDFInfo
- Publication number
- CN2505807Y CN2505807Y CN 01259742 CN01259742U CN2505807Y CN 2505807 Y CN2505807 Y CN 2505807Y CN 01259742 CN01259742 CN 01259742 CN 01259742 U CN01259742 U CN 01259742U CN 2505807 Y CN2505807 Y CN 2505807Y
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- hypophysis
- heavy
- platform
- dotted line
- balance weight
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Abstract
The utility model provides a laser chopper-bar projector, which comprises an adjusting platform, a frame body and a body, wherein, the adjusting platform comprises at least one base arranged on a work top; a right position of the base is provided with a first fixing bolt and a second fixing bolt corresponding to each other; a platform part which is connected with the base is provided with at least one adjusting mechanism which adjusts the tilt angle of the platform part relative to the base; the frame body can be fixed on the adjusting platform; the body comprises at least one hanging mechanism connected with the frame body and of an appropriate height away from the platform part; a heavy pendent body is connected with the hanging mechanism and can be hung between the hanging mechanism and the adjusting platform by means of gravity; a first projection light source mechanism is combined with the heavy pendent body to project a linear light perpendicular to ground surface; in addition, a second projection light source mechanism is also combined with the heavy pendent body to project a light loop of appropriate height and parallel to ground surface.
Description
Technical field
The utility model relates to a kind of laser dotted line grenade instrumentation, particularly a kind of laser dotted line grenade instrumentation with two projection source mechanisms.
Background technology
Because unban population is increased sharply in recent years, the soil applies and uses, and human residential environment and then to the high-altitude development makes high buildings and large mansions stand in great numbers.Therefore generally build rising in engineering, building lot or the floor thing and make measuring point and baseline and measure and demarcate operation and become a very important ring.
Above-mentioned operation is when using instrument metrology operation such as demarcating distance or vertical fixed point, often be soft and can't present real straight line situation because of measurer, and the orientation of wayward its placement and angle, and the vertical fixed point is often disturbed swing because be subjected to external force (for example wind-force), and owing to existence is convenient to move or adjust the instrument foot rest that is provided with, make and correctly vertical have been aligned measuring point, and influence the quality and the program of operation.
When engineerings such as civil construction, decoration construction are carried out, because the landform restriction makes the ornaments adjustment of this vertical and instrument foot rest be difficult to carry out, and the measurement in enclosure space indicates only need be used under the situation of measurer, also, can't make the measurement and the demarcation of precision and accurate horizontal line, perpendicular line often because the angle orientation of measurer departs to some extent and can't present under the real straight line situation at measurer.
Summary of the invention
The purpose of this utility model is to provide a kind of laser dotted line grenade instrumentation, and this laser dotted line grenade instrumentation system can provide the vertical line vertical with ground surface, the horizontal line parallel with ground surface or the aphylactic map projection point of tool par height.
The utility model is to realize like this, a kind of laser dotted line grenade instrumentation, it is characterized in that comprising: one adjusts platform, be placed on the work top, it includes this adjustment platform at least: a pedestal, be placed on this work top, this pedestal appropriate position is provided with corresponding one first set bolt and one second set bolt; One platform part is connected with this pedestal, and this platform part is provided with at least one adjusting mechanism, can change the angle of inclination of this platform part with respect to this pedestal by this adjusting mechanism adjustment; One support body is fixed on this adjustment platform; One body is connected with support body, and this body includes less: a hitch, be connected with this support body and with this platform part at a distance of suitable height; One weighs hypophysis, has the column structure of a central axis, and this heavy hypophysis is connected with this hitch, can hang between this hitch and this adjustment platform by gravity, makes that this central axis and ground surface are perpendicular; One first projection source mechanism combines with this heavy hypophysis, can project the line of linear light always that is parallel to each other with this central axis; And one second projection source mechanism, combine with this heavy hypophysis, can project an aperture that parallels suitable height with ground surface.
The utility model has the advantages that, applicable to indicating real horizontal line and perpendicular line in various fluctuatings or the rough landform; Can simply operate the level of reaching, also can alleviate extraneous vibrations and disturb.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the spatial structure schematic appearance of the utility model laser dotted line grenade instrumentation preferred embodiment;
Fig. 2 is the spatial structure decomposing schematic representation that the utility model is adjusted the platform preferred embodiment;
Fig. 3 A is the perspective view of the utility model body preferred embodiment;
Fig. 3 B is the spatial structure decomposing schematic representation of the utility model body preferred embodiment;
Fig. 3 C is that the utility model is adjusted the corresponding body adjustment of platform preferred embodiment cross-sectional view;
Fig. 4 is the spatial structure decomposing schematic representation of the utility model hitch preferred embodiment;
Fig. 5 A is the utility model balance weight mechanism first preferred embodiment cross-sectional view;
Fig. 5 B is the utility model balance weight mechanism first preferred embodiment spatial structure decomposing schematic representation;
Fig. 5 C is the utility model balance weight mechanism second preferred embodiment spatial structure decomposing schematic representation;
Fig. 6 A is the utility model damping mechanism first preferred embodiment perspective view;
Fig. 6 B is the utility model damping mechanism second preferred embodiment perspective view;
Fig. 7 is the utility model first projection source mechanism preferred embodiment perspective view;
Fig. 8 is the utility model second projection source mechanism preferred embodiment spatial structure decomposing schematic representation;
Fig. 9 A is the utility model caution mechanism preferred embodiment perspective view;
Fig. 9 B is the utility model caution mechanism preferred embodiment cross-sectional view.
Embodiment
Figure elements label: 10 work tops; 20 adjust platform; 21 pedestals; 211 first set bolts; 2111 ball hub switch sides; 212 second set bolts; 2121 flexible members; 22 platform part; 221 adjusting mechanisms; 2211 screw rods; 2212 skewbacks; 2213 projections; 222 shrinkage pools; 30 support bodys; 40 bodies; 41 hitches; 411 outer ring sets; 412 inner ring sleeves; 4121 in conjunction with axle; 4122 bearings; 42 heavy hypophysis; 421 central axis; 422 balance weight mechanisms; 4221 endoporus; 4222 screws; 4223 counterweight rings; 4224 breach; 4225 screws; 4226 screws; 423 damping mechanisms; 4231 copper rings; 4232 group of magnets; 43 first projection source mechanisms; 431 light emitters; 432 power supplys; 433 straight line light; 44 second projection source mechanisms; The 441 pointolite projectors; 4411 pointolite projector central axis; 4412 light; 4413,4413a refraction point light; 442 rotation motors; 443 5 jiaos of water chestnut mirrors; 444 apertures; 45 caution mechanisms; 50 ground surfaces.
Referring to Fig. 1, this figure is the utility model laser dotted line grenade instrumentation preferred embodiment spatial structure schematic appearance.The utility model laser dotted line grenade instrumentation comprises: one adjusts platform 20, a support body 30 and a body 40.This adjustment platform 20 can provide and be placed on the work top 10, and this adjustment platform 20 can be locked on tripod or the fixed mount (not shown) certainly, and this adjustment platform 20 be can be applicable on the various landform.This support body 30 can be fixed on this adjustment platform 20, utilize this body 40 to be connected with this support body 30, these body 40 supports are higher than on this adjustment platform 20, this support body 30 is a square column in the utility model, certainly also cylinder or other shapes, suchlike deformation can be changed enforcement according to above-mentioned explanation by those skilled in the art, will not lose the main idea place of the utility model, the spirit and scope that also do not break away from the utility model are not so add to give unnecessary details at this.
Referring to Fig. 2, this figure is that the utility model is adjusted platform preferred embodiment spatial structure decomposing schematic representation.This adjustment platform 20 of the utility model comprises at least: a pedestal 21 and a platform part 220, pedestal 21 appropriate positions are provided with corresponding one first set bolt 211 and one second set bolt 212; In the utility model preferred embodiment, this pedestal 21 is a rectangular shape, can provide and be placed on this work top 10, two end points of a diagonal line are respectively equipped with first set bolt 211 and second set bolt 212 that is connected with this platform part 22 in the rectangle of this pedestal 21, make this platform part 22 form the structure that can change with respect to these pedestal 21 angles of inclination, certainly this pedestal 21 can also be circular or other are irregularly shaped, this does not break away from spirit and scope of the present utility model, so do not add to give unnecessary details at this; And wherein this first set bolt 211 has a ball hub switch side 2111, insert this platform part 22 corresponding shrinkage pools 222 of offering, and this second set bolt 212 more is provided with a flexible member 2121, this flexible member 2121 is between this pedestal 21 and this platform part 22, can increase the degree of freedom of this platform part 22 thus, make this platform part 22 can have more diverse angle Selection, and can be fixed on this pedestal 21, and this platform part 22 is provided with at least one adjusting mechanism 221, this adjusting mechanism 221 is two in the preferable enforcement of the utility model, and form vertical ornaments, certainly this adjusting mechanism 221 can also be the ornaments of or three and the conversion of above formation diverse location, this does not break away from spirit and scope of the present utility model, so do not add to give unnecessary details at this
This platform part 22 can be adjusted by this adjusting mechanism 221 and change the angle of inclination of this platform part 22 with respect to this pedestal 21, and wherein this adjusting mechanism 221 comprises: a screw rod 2211, a skewback 2212 and a projection 2213.This screw rod 2211 is connected with this platform part 22, this skewback 2212 is connected on this screw rod 2211, can make this skewback 2212 carry out the linear displacement motion by this screw rod 2211 of rotation, and this projection 2213 can be fixed on this pedestal 21, this projection 2213 contacts with this skewback 2212 during assembling, can carry out the linear displacement motion by this skewback 2212, conversion this skewback 2212 and these projection 2213 contact positions, to change the plane inclination height of this platform part 22, so can adjust the angle of inclination of this platform part 22 with respect to this pedestal 21.
Referring to Fig. 3 A and Fig. 3 B, this figure is the utility model body preferred embodiment perspective view.This body 40 is connected with this support body 30 and hangs from above by gravity in the utility model preferred embodiment, and this body 40 comprises at least: a heavy hypophysis 42, a hitch 41, a balance weight mechanism 422, a damping mechanism 423, one first projection source mechanism 43, one second projection source mechanism 44 and a caution mechanism 45; This heavy hypophysis 42 is for having the column structure of a central axis 421, and referring to Fig. 3 C, this figure is that the utility model is adjusted the synoptic diagram that the corresponding body of platform is adjusted the preferred embodiment cross-section structure.When this adjustment platform 20 is positioned at when tilting on the plane of an angle θ with ground surface 90, this heavy hypophysis 42 can be fixed and hang from above with gravity by this support body 30, therefore this central axis 421 is perpendicular with ground surface 50, place this plane on owing to this pedestal 21 this moment, is θ by adjusting this platform part 22 with respect to the angle of inclination of this pedestal 21, guarantees that this central axis 421 is perpendicular with ground surface 50.
Referring to Fig. 4, this figure is the utility model hitch preferred embodiment spatial structure decomposing schematic representation.In the utility model preferred embodiment, hitch 41 be connected with this support body 30 and with this platform part 22 at a distance of a suitable height, wherein this hitch 41 also comprises: an outer ring set 411 and an inner ring sleeve 412.Should be connected with this support body 30 by outer ring set 411, and this inner ring sleeve 412 is provided with two groups of corresponding in twos combination axles 4121, one group in conjunction with axle 4121 with should outer ring set 411 be connected, another group is connected with this heavy hypophysis 42 in conjunction with axle 4121, and this combination axle 4121 pass a bearing 4122 make with should outer ring set 411 and this heavy hypophysis 42 connecting moves more smooth and easy, and this corresponding in twos bearing of trend in conjunction with axle 4121 is the central point by this inner ring sleeve 412, and these two groups corresponding in twos is vertical mutually in conjunction with axle 4121 bearing of trends, this heavy hypophysis 42 can hang on this hitch 41 thus, with the central axis 421 of this heavy hypophysis 42 and the intersection point of this hitch 41 is that suitable angle variation is done in the axle center, ring set 411 is an annulus with this inner ring sleeve 412 outside being somebody's turn to do in the utility model preferred embodiment, certainly can also encircle or other shapes the side of being, suchlike deformation can be changed enforcement according to above-mentioned explanation by those skilled in the art, will not lose the main idea place of the utility model, the spirit and scope that also do not break away from the utility model are not so add to give unnecessary details at this.
Referring to Fig. 5 A and Fig. 5 B, it is the utility model balance weight mechanism first preferred embodiment solid and cross-sectional view.In the utility model preferred embodiment, this balance weight mechanism 422 is located on this heavy hypophysis 42, this balance weight mechanism 422 has the ring texture of an endoporus 4221, this balance weight mechanism 422 is an annulus in the utility model preferred embodiment, certainly can also just encircle or other shapes enforcements, this does not break away from the spirit and scope of the utility model so do not add to give unnecessary details at this.This endoporus 4221 is greater than these heavy hypophysis 42 outer margin contours, wherein this balance weight mechanism 422 also is provided with some screws 4222, these some these endoporus 4221 of screw 4222 removable protrusions lock this balance weight mechanism 422 and this heavy hypophysis 42, therefore the position that can combine with this heavy hypophysis 42 by this balance weight mechanism 422 of length adjustment that these some screws 4222 change protrusion makes that the heavy hypophysis 42 of this balance weight mechanism 422 and this combines the centre of gravity place that the back changes this heavy hypophysis 42.Referring to Fig. 5 C, it is the utility model balance weight mechanism second preferred embodiment spatial structure decomposing schematic representation.Be this balance weight mechanism of the utility model 422 another embodiment, this balance weight mechanism 422 is provided with two counterweight rings 4223, this counterweight ring 4223 has a breach 4224, can change the centre of gravity place of this heavy hypophysis 42 after adjustment changes this balance weight mechanism 422 and this heavy hypophysis 42 combines by breach 4224 relative positions of two counterweight rings 4223, certainly these counterweight ring 4223 outer rims also can be provided with some screws 4225, this screw 4225 can combine with-screw 4226, can be by different numbers being set, the centre of gravity place of screw 4226 these heavy hypophysis 42 of fine setting of diverse location.
Referring to Fig. 6 A and Fig. 6 B, it is the utility model damping mechanism preferred embodiment spatial structure decomposing schematic representation.In the utility model preferred embodiment, this damping mechanism 423 is provided with a copper ring 4231 and a group of magnets 4232.This copper ring 4231 combines with the heavy hypophysis 42 of fixing mode and this; This copper ring 4231 is an annulus in the utility model preferred embodiment, can also just encircle certainly or other shapes enforcements, and this does not break away from the spirit and scope of the utility model so do not add to give unnecessary details at this.This group of magnets 4232 is connected with this support body 30, and with these copper ring 4231 corresponding settings, this group of magnets 4232 is formed by four magnet in the utility model first preferred embodiment; Be provided with two magnet in the last plane of this copper ring 4231, the imaginary connecting line of these two magnet extends through this copper ring 4231 central points, and corresponding two magnet in the lower plane setting of this copper ring 4231 and last plane, certainly this group of magnets 4232 can also be other several form the ornaments of diverse location conversion, this does not break away from the spirit and scope of the utility model, so do not add to give unnecessary details at this, in the utility model second preferred embodiment, this copper ring 4231 is arranged at the bottom of this heavy hypophysis 42, this group of magnets 4232 and these copper ring 4231 corresponding settings, and this group of magnets 4232 is one.Therefore by above two kinds of settings, when this heavy hypophysis 42 connects these copper rings 4231 in swing situation following time,, and reduce the swing of this copper ring 4231 because this copper ring 4231 can produce induced fields by this group of magnets 4232 and repel mutually with former magnetic field.
Referring to Fig. 7, it is the utility model first projection source mechanism preferred embodiment spatial structure decomposing schematic representation.This first projection source mechanism 43 combines with this heavy hypophysis 42 for cylindric in the utility model preferred embodiment; Wherein this first projection source mechanism 43 is provided with a light emitters 431 at least, this light emitters 431 can be connected with a power supply 432, provide electric power to make this light emitters 431 project linear light line 433 always by this power supply 432, and is combining of vertical or suitable angle by this first projection source mechanism 43 with this heavy hypophysis 42, makes that projecting this straight line light 433 is parallel to each other with this central axis 421.
Referring to Fig. 8, it is that the utility model second projection source mechanism preferred embodiment spatial structure is decomposed and diagrammatic cross-section.In the utility model preferred embodiment, this second projection source mechanism 44 is connected on this heavy hypophysis 42, and wherein this second projection source mechanism 44 comprises some light source projects devices 441, a rotation motor 442 and First Five-Year Plan angle water chestnut mirror 443.This pointolite projector 441 it be cylindric and combine with this heavy hypophysis 42, central axis 4411 and this heavy hypophysis central axis 421 of this pointolite projector are parallel to each other, this pointolite projector 441 can project a light 4412, therefore the course of this light 4412 is parallel to each other with this heavy hypophysis central axis 421 or overlaps, the point light 4412 that will receive by these five jiaos of water chestnut mirrors 443 is reflected the refraction point light 4413 perpendicular with the course of this light 4412 again, can obtain this refraction point light 4413 in the difference of par height, certainly these five jiaos of water chestnut mirrors 443 of the utility model preferably also can become two refraction point point light 4413 with some light 4412 refractions of this reception, one be with perpendicular 4413, one of the refraction point light of the course of this light 4412 be to overlap refraction point light 4413a with these heavy hypophysis central axis 421 bearing of trends.This rotation motor 442 is located on this hitch 41, can rotate by power drive, and these five jiaos of water chestnut mirrors 443 are connected with this rotation motor 442, therefore when these rotation motor 442 these five jiaos of water chestnut mirrors 443 of drive rotate, this refraction point light 4413 forms an aperture 444 in the difference of par height, and this aperture 444 is clear more when rotating speed is fast more.
Referring to Fig. 9 A and Fig. 9 B, it is the utility model caution mechanism's preferred embodiment spatial structure and diagrammatic cross-section.In the utility model preferred embodiment, this caution mechanism 45 is connected with this heavy hypophysis 42 and is posted by this platform part 22, when this platform part 22 tilts, can make this caution mechanism 45 touch this platform part 22 (shown in dotted line) and send an alert news, this alert news can be that a lamp will is sent light, a hummer sends the sound etc., suchlike deformation can be changed enforcement according to above-mentioned explanation by those skilled in the art, will not lose the main idea place of the utility model, the spirit and scope that also do not break away from the utility model are not so add to give unnecessary details at this.
In comprehensive the above the utility model laser dotted line grenade instrumentation preferred embodiment, at first this laser dotted line grenade instrumentation is placed on this work top 10, when this work top 10 tilts, this caution mechanism 45 can touch this platform part 22 and send an alert news, this moment is by adjusting the angle of inclination of this platform part 22 with respect to this pedestal 21, make this caution mechanism 45 not touch this platform part 22, and this this heavy hypophysis 42 can be fixed and hang from above with gravity by this support body 30, make this central axis 421 guarantee with ground surface 50 perpendicular, it is perpendicular with this ground surface 50 that this moment, this first projection source mechanism 43 projected this straight line light 433, and this second projection source mechanism 44 projects this aperture 444 with these ground surface 50 mutual levels and apart from a level altitude, therefore applicable to indicating real horizontal line and perpendicular line in various fluctuatings or the uneven landform, and when extraneous vibration disturbs, can reach these heavy hypophysis 42 static balances rapidly vibration interference is minimized by this damping mechanism 423.
Above-mentioned explanation utilizes preferred embodiment to describe the utility model in detail, and unrestricted the utility model scope.Suitably do slightly change and adjustment, do not break away from spirit and scope of the present utility model.
Claims (10)
1. laser dotted line grenade instrumentation is characterized in that comprising:
One adjusts platform, is placed on the work top, and it includes this adjustment platform at least: a pedestal, be placed on this work top, and this pedestal appropriate position is provided with corresponding one first set bolt and one second set bolt; One platform part is connected with this pedestal, and this platform part is provided with at least one adjusting mechanism, can change the angle of inclination of this platform part with respect to this pedestal by this adjusting mechanism adjustment:
One support body is fixed on this adjustment platform;
One body is connected with support body, and this body includes less: a hitch, be connected with this support body and with this platform part at a distance of suitable height; One weighs hypophysis, has the column structure of a central axis, and this heavy hypophysis is connected with this hitch, can hang between this hitch and this adjustment platform by gravity, makes that this central axis and ground surface are perpendicular; One first projection source mechanism combines with this heavy hypophysis, can project the line of linear light always that is parallel to each other with this central axis; And one second projection source mechanism, combine with this heavy hypophysis, can project an aperture that parallels suitable height with ground surface.
2. laser dotted line grenade instrumentation as claimed in claim 1 is characterized in that this adjusting mechanism also comprises:
One screw rod is connected with this platform part;
One skewback is connected with this screw rod, can make this skewback carry out the linear displacement motion by this screw rod of rotation: and
One projection is fixed on this pedestal, can change the angle of inclination of this platform part with respect to this pedestal by this projection and this skewback contact position conversion.
3. laser dotted line grenade instrumentation as claimed in claim 1 is characterized in that this hitch also comprises:
One outer ring set is connected with this support body; And
One inner ring sleeve, be provided with two groups of corresponding in twos combination axles, this corresponding in twos bearing of trend in conjunction with axle passes through this inner ring sleeve central point, and these two groups corresponding in twos combination axle bearing of trends are vertical mutually, one group in conjunction with axle with should outer ring set be connected, another group is connected in conjunction with this weight hypophysis.
4. laser dotted line grenade instrumentation as claimed in claim 1 is characterized in that heavy hypophysis also comprises a balance weight mechanism, and this balance weight mechanism has the ring texture of an endoporus, and this endoporus is greater than this heavy hypophysis outer margin contour.
5. laser dotted line grenade instrumentation as claimed in claim 4, it is characterized in that this balance weight mechanism is provided with some screws, this endoporus of the removable protrusion of these some screws lock this balance weight mechanism and this heavy hypophysis can protrude the centre of gravity place that this balance weight mechanism of length adjustment combines with this heavy hypophysis by changing.
6. laser dotted line grenade instrumentation as claimed in claim 1, it is characterized in that this heavy hypophysis comprises a balance weight mechanism, this balance weight mechanism is provided with two counterweight rings, and this counterweight ring has a breach, can change to adjust by this gap position to change the centre of gravity place that this balance weight mechanism combines with this heavy hypophysis.
7. laser dotted line grenade instrumentation as claimed in claim 1 is characterized in that this heavy hypophysis comprises a damping mechanism, and this damping mechanism is provided with:
One copper ring combines with this heavy hypophysis; And
One group of magnets is connected with this support body, and with the corresponding setting of this copper ring.
8. laser dotted line grenade instrumentation as claimed in claim 1 is characterized in that this first projection source mechanism is cylindric, is provided with a light emitters at least, and this light emitters is connected with a power supply.
9. laser dotted line grenade instrumentation as claimed in claim 1 is characterized in that this second projection source mechanism comprises:
Some light source projects devices, for cylindric and combine with this heavy hypophysis, the central axis of this pointolite projector and this heavy hypophysis central axis are for being parallel to each other, and this pointolite projector can project some light;
One rotation motor is located on this hitch, can rotate by power drive;
First Five-Year Plan angle water chestnut mirror is connected with this rotation motor, can receive this light and be reflected into a refraction point light.
10. laser dotted line grenade instrumentation as claimed in claim 1 is characterized in that this body comprises a caution mechanism, and this caution mechanism is connected with this heavy hypophysis and is posted by this platform part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01259742 CN2505807Y (en) | 2001-08-21 | 2001-08-21 | Laser chopper-bar projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01259742 CN2505807Y (en) | 2001-08-21 | 2001-08-21 | Laser chopper-bar projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2505807Y true CN2505807Y (en) | 2002-08-14 |
Family
ID=33668052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01259742 Expired - Fee Related CN2505807Y (en) | 2001-08-21 | 2001-08-21 | Laser chopper-bar projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2505807Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009132488A1 (en) * | 2008-04-30 | 2009-11-05 | 常州华达科捷光电仪器有限公司 | A laser projector projecting spots and lines simultaneity |
| CN101975586A (en) * | 2010-09-14 | 2011-02-16 | 上海诺司纬光电仪器有限公司 | Leveling system of laser leveling device and adjusting method thereof |
| CN109737936A (en) * | 2019-03-12 | 2019-05-10 | 安徽三建工程有限公司 | A kind of portable pendulum mass formula self leveling laser hangs down quasi- cultellation instrument |
-
2001
- 2001-08-21 CN CN 01259742 patent/CN2505807Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009132488A1 (en) * | 2008-04-30 | 2009-11-05 | 常州华达科捷光电仪器有限公司 | A laser projector projecting spots and lines simultaneity |
| CN101975586A (en) * | 2010-09-14 | 2011-02-16 | 上海诺司纬光电仪器有限公司 | Leveling system of laser leveling device and adjusting method thereof |
| CN109737936A (en) * | 2019-03-12 | 2019-05-10 | 安徽三建工程有限公司 | A kind of portable pendulum mass formula self leveling laser hangs down quasi- cultellation instrument |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |