CN109350007A - A kind of servo-actuated window and optometry equipment - Google Patents
A kind of servo-actuated window and optometry equipment Download PDFInfo
- Publication number
- CN109350007A CN109350007A CN201811549668.6A CN201811549668A CN109350007A CN 109350007 A CN109350007 A CN 109350007A CN 201811549668 A CN201811549668 A CN 201811549668A CN 109350007 A CN109350007 A CN 109350007A
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- front apron
- guide rail
- servo
- planker
- mounting bracket
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- 230000003287 optical effect Effects 0.000 claims abstract description 41
- 230000033001 locomotion Effects 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000001360 synchronised effect Effects 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 27
- 238000013519 translation Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000000887 face Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000000162 simple eye Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0016—Operational features thereof
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The present invention discloses a kind of servo-actuated window, first guide rail plays slide-and-guide to mounting bracket, second guide rail plays slide-and-guide to front apron, and the first guide rail and the second guide rail, which cooperate, to be realized horizontally-guided and be vertically directed, and makes front apron can be relative to shell vertical displacement and lateral displacement；Optometry hole is opened up on front apron, optical lens can be passed through from optometry hole, and the limit hole with the cooperation of optical lens motion range is opened up in mounting bracket, and optical lens can change position in the range of limit hole；Front apron and mounting bracket cooperate, and can cover the through-hole on shell；Front apron is fixedly connected with the movement mechanism of enclosure interior, movement mechanism drives front apron synchronous shift, front apron and optical lens synchronizing moving, during optical lens is mobile, always the optometry hole on front apron can be aligned with, other positions are isolated from the outside, and can effectively completely cut off extraneous impurity and enter inside.
Description
Technical field
The present invention relates to computerized optometry technical fields, further relate to a kind of servo-actuated window.Moreover, it relates to
A kind of optometry equipment.
Background technique
When rafractive works, need the measurement window of optical facilities being directed at patient's eye, measurement process needs to examine
The eyes for surveying patient, only measure to simple eye every time, want a wide range of traverse measurement window when measuring another eyes, between eyes
The about lateral displacement of 85mm.
Traditional measurement window is fixed on optical facilities front, is driven by three-dimensional motion mechanism, and movement mechanism is together with optics
Mechanism synchronizing moving, it is desirable that have enough mobile spaces；Body shell is designed according to mechanism shaping, and shell is this in company with movement
Patient sees that machine case acts on a large scale when the disadvantage of design is measurement, generates sense of discomfort, can subconscious adjustment head
Posture is hidden, and impacts to measurement；It thus needs that movement mechanism is arranged in shell using shell fixed structure
Portion, only optical facilities are reached and are measured except shell, and shell is fixed, and optical facilities are moved relative to shell, thus
It needs to open up on shell and moves the opening that range matches, cause to be interlinked to the outside in shell, extraneous dust debris easily enter
Enclosure interior interferes the optical instrument of internal precision.
For those skilled in the art, how will be effectively isolated inside and outside shell, be the technology for needing to solve at present
Problem.
Summary of the invention
The present invention provides a kind of servo-actuated window, can be mobile with optical lens, can will be between optical lens and shell
Gap covering, concrete scheme are as follows:
A kind of servo-actuated window, including with relatively-stationary first guide rail of shell, be slidably matched on first guide rail inserting
Mounting bracket；Second guide rail is set in the mounting bracket, is slidably matched on second guide rail and inserts front apron；
The optometry hole for passing through optical lens is opened up on the front apron, is opened up in the mounting bracket and optical frames
The limit hole of head motion range cooperation；First guide rail and second guide rail, which cooperate, to be realized horizontally-guided and leads vertically
To；
The front apron is fixedly connected with the movement mechanism of enclosure interior by connection frame, before the movement mechanism drive is described
Baffle synchronous shift.
Optionally, first guide rail is vertically fixed on the inner wall of the housing, is vertically directed the mounting bracket；Described
Front apron described in two guide rail horizontally-guideds.
Optionally, it is slidably matched in second guide rail and inserts planker, the planker and the overlapped cunning of the front apron
It is dynamic；The front apron drives the planker to translate by stop block structure.
Optionally, rolling groove, the rolling are opened up respectively in the front apron and planker plate face close to each other
Transmitting balls are set in slot；
The length direction of the rolling groove is parallel with second guide rail, and the length of multiple transmitting balls arrangements is less than
The length of the rolling groove.
Optionally, the planker is installed between the mounting bracket and the front apron；The front apron and described the
Mounting groove, the mounting groove is respectively set in the plate face of the plate face of two guide rail contacts, the planker and second guide rail contact
Interior setting contacts ball.
Optionally, the planker is set as two pieces, and two blocks of plankers are opposite to open up U-type groove；The two of second guide rail
End is respectively arranged to limit the limited block of the planker movement position.
Optionally, dynamic clamping head and quiet clamping head is set between two blocks of plankers.
Optionally, baffle ring is set at the limit hole of the front apron, and the maximum that the baffle ring is used to limit optical lens is stretched
Out position.
Optionally, second guide rail is turned down by the edge of the front apron forms.
The present invention also provides a kind of optometry equipments, including servo-actuated window described in any of the above embodiments.
The present invention provides a kind of servo-actuated window, the first guide rail plays slide-and-guide, the second guide rail pair to mounting bracket
Front apron plays slide-and-guide, and the first guide rail and the second guide rail, which cooperate, to be realized horizontally-guided and be vertically directed, and makes front
Plate can be relative to shell vertical displacement and lateral displacement；Optometry hole is opened up on front apron, optical lens can be passed through from optometry hole,
The limit hole with the cooperation of optical lens motion range is opened up in mounting bracket, optical lens can change in the range of limit hole
Position；Front apron and mounting bracket cooperate, and can cover the through-hole on shell；Front apron is fixedly connected with enclosure interior
Movement mechanism, movement mechanism drive front apron synchronous shift, front apron and optical lens synchronizing moving, mobile in optical lens
In the process, the optometry hole on front apron can be aligned with always, other positions are isolated from the outside, can effectively completely cut off extraneous impurity into
Enter inside.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Figure 1A is the structural schematic diagram on the outside of the servo-actuated window of the present invention；
Figure 1B is the structural schematic diagram of the servo-actuated window inner side of the present invention；
Fig. 2A is servo-actuated window and the mutually matched outer side view of shell of the invention；
Fig. 2 B is servo-actuated window and the mutually matched inner side view of shell of the invention；
Fig. 2 C is servo-actuated window and the mutually matched overall structure figure of shell of the invention；
Fig. 3 A is the sectional view in the direction A-A in Fig. 3 D；
Fig. 3 B is schematic diagram when front apron and planker are not driven；
Schematic diagram when Fig. 3 C is front apron and planker transmission；
Fig. 3 D is the front view in servo-actuated window inner side face of the invention；
Fig. 4 A is the local structural graph that optical lens extends longitudinally outward；
Fig. 4 B is the local structural graph that optical lens bounces back longitudinally inward.
Include: in figure
First guide rail 1, mounting bracket 2, the second guide rail 21, limited block 211, front apron 3, connection frame 31, baffle ring 32, planker
4, dynamic clamping head and quiet clamping head 41, transmitting balls 51, contact ball 52.
Specific embodiment
Core of the invention is to provide a kind of servo-actuated window, can be mobile with optical lens, can be by optical lens and shell
Gap covering between body.
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing and specifically
Embodiment, explanation is described in detail to servo-actuated window of the invention and optometry equipment.
The present invention provides a kind of servo-actuated windows, as shown in FIG. 1A and 1B, respectively on the outside of the servo-actuated window of the present invention
The structural schematic diagram of structural schematic diagram and inside；Including structures such as the first guide rail 1, mounting bracket 2, front aprons 3, wherein
One guide rail 1 and shell are relatively fixed, and the position of the first guide rail 1 and shell is kept fixed；Be slidably matched inserting peace on first guide rail 1
Bracket 2 is filled, mounting bracket 2 is oriented to by the first guide rail 1 and is translated；Second guide rail 21 is set in mounting bracket 2, is slided on the second guide rail 21
Dynamic cooperation inserting front apron 3, under the guiding of the second guide rail 21, front apron 3 can be translated relative to mounting bracket 2；First guide rail 1
Cooperate with the second guide rail 21 and realize and horizontally-guided and be vertically directed, the first guide rail 1 and the second guide rail 21 one of them in perpendicular
It is another to be arranged from this in horizontal cross to setting, make front apron 3 that can realize the two-dimensional movement of perpendicular.
As shown in Figure 2 A and 2 B, servo-actuated window respectively of the invention and the mutually matched outer side view of shell and inside
View, Fig. 2A are the angle from inside, and Fig. 2 B is the angle from outside；Fig. 2 C is servo-actuated window and shell of the invention
The mutually matched overall structure figure of body, part are splitted.Front apron 3 is fixedly connected with the movement of enclosure interior by connection frame 31
Mechanism, movement mechanism make three-dimensional motion inside housings, drive optical lens transversely, it is longitudinal, vertically movable, realize three maintenance and operations
Dynamic, in Fig. 2 C, X-axis is that laterally, Y-axis is longitudinal direction, Z axis is vertical.Front apron 3 is driven by movement mechanism and realizes synchronous shift, by
Make two-dimensional movement in perpendicular in front apron 3, therefore front apron 3 is fixed on to the second pole of three-dimensional motion mechanism, only can
Make transverse translation and vertical translation in perpendicular, the longitudinal movement of the top optical lens does not influence front apron 3, works as optical frames
Head longitudinal movement when can relative to front apron 3 close to or far from.
The optometry hole for passing through optical lens is opened up on front apron 3, be may pass through and is tested when optical lens is protruding
Unthreaded hole changes the distance between eyes when optical lens longitudinal translation；As shown in Figure 2 C, wherein A indicates to simulate the position of human eye
It sets, optical lens moves longitudinally can be close to or far from human eye；It is opened up in mounting bracket 2 and the cooperation of optical lens motion range
Limit hole since front apron 3 is transversely translated relative to mounting bracket 2, namely moves, therefore limit hole is also in along the x axis
The long stripes through hole laterally opened up, the length of limit hole are greater than or equal to the traverse range of optical lens；Similarly, it installs
The width of bracket 2 also should be greater than the through-hole opened up on shell, when mounting bracket 2 is translated along the first guide rail 1, at an arbitrary position
The through-hole on shell can be covered.
Servo-actuated window provided by the invention can be aligned with testing on front apron 3 during optical lens is mobile always
Unthreaded hole, other positions of the front apron 3 other than optometry hole and mounting bracket 2 cooperate, and form a complete plate shape knot
Structure, will be mutually isolated inside and outside shell, can effectively completely cut off extraneous impurity and enter inside.
Preferably, the first guide rail 1 in the present invention is vertically fixed on the inner wall of the housing, is vertically directed mounting bracket 2, is made
Mounting bracket 2 makees vertical translation；Second guide rail, 21 horizontally-guided front apron 3, front apron 3 can make transverse direction relative to mounting bracket 2
It is mobile；Namely Fig. 2A is to structure shown in fig. 2 C, but the present invention is not limited to this, can also by the first guide rail 1 in laterally setting,
In vertically arranged, form is specifically arranged in these should all be included in the protection scope of the present invention second guide rail 21.
Further, the present invention is slidably matched in the second guide rail 21 inserts planker 4, and planker 4 and front apron 3 are by second
The guiding sliding of guide rail 21, but the two is not in same plane, planker 4 and the overlapped sliding of front apron 3, and planker 4 is with before
Baffle 3 partly overlaps when sliding；And planker 4 is driven by front apron 3 and is translated, and block knot is arranged on planker 4 or front apron 3
Structure drives planker 4 to translate when front apron 3 is contacted with planker 4 by block, and the mutual movement both when block does not contact is simultaneously
Do not interfere, to make to realize delayed movement between planker 4 and front apron 3.
Preferably, the present invention provides the preferred embodiment of a kind of planker 4 and the cooperation of front apron 3, front apron 3 and planker herein
Rolling groove is opened up in 4 plate faces close to each other respectively, transmitting balls 51 are set in rolling groove；As shown in Figure 3A, for the present invention with
The partial structurtes sectional view of window is moved, it is straight that the depth of the rolling groove opened up on front apron 3 and planker 4 respectively may be about transmitting balls 51
The half of diameter, the rolling groove location on front apron 3 and planker 4 correspond to each other, and when front apron 3 and planker 4 contact with each other, roll
Slot can form a cavity, transmitting balls 51 are enclosed in, due to the depth of any one rolling groove on front apron 3 and planker 4
Degree is less than the diameter of transmitting balls 51, planker 4 can be driven mobile by transmitting balls 51 when front apron 3 is mobile.
The length direction of rolling groove is parallel with the second guide rail 21, when front apron 3 is moved along the second guide rail 21 direction of motion with
The length direction of rolling groove is identical；And length of the length that multiple transmitting balls 51 arrange less than rolling groove namely one, two
The length that a or three and the above transmitting balls 51 arrange is less than the length of rolling groove.As shown in Fig. 3 B and Fig. 3 C, transmission is indicated
The length of ball 51 and the mutually matched structural schematic diagram of rolling groove, front apron 3 and the rolling groove on planker 4 can be equal, can also
It differs, Fig. 3 B indicates the position when rolling groove on front apron 3 and planker 4 partly overlaps, wherein four transmitting balls 51 arrange
Total length be less than any one rolling groove on front apron 3 and planker 4；As shown in Figure 3B, front apron 3 moves right, front apron 3
Rolling groove on the left of not in contact with transmitting balls 51, at this time not by the promotion of front apron 3, transmitting balls 51 do not pass transmitting balls 51
It is dynamic；As shown in Figure 3 C, front apron 3 continues to move right, the rolling groove left contact transmitting balls 51 of front apron 3, transmitting balls
51 are pushed by front apron 3 at this time, the pressure of transmitting balls 51 to the right, and transmitting balls 51 are that rigid structure does not generate elastic change substantially
Shape, transmitting balls 51 further pull on planker 4 and move right, and play the role of transmission by transmitting balls 51.
Settable one group of rolling groove, two groups can also be arranged in opposite two sides.In addition to setting transmitting balls 51 and rolling groove
It cooperates except the form of transmission, accessible block can also be respectively set on front apron 3 and planker 4, when block is mutual
It is driven when contact, is not driven when not contacting, form, which is specifically arranged, in these should all be included in the protection scope of the present invention.
Using the structure of transmitting balls 51 and rolling groove, make front apron 3 that can drive planker 4 mobile, but the movement of the two is simultaneously
It non-fully synchronizes, the movement of planker 4 has hysteresis quality, by the lap fit of front apron 3 and planker 4, when the two overlapping area
The entire area formed when big is small, and the entire area formed when the two overlapping area is small is big, so that bigger covering can be realized
Area reduces the area of front apron 3, is more advantageous to reduction occupied space, if front apron 3 is only arranged, since it needs laterally to move
It is dynamic, it is required to the limit hole in covering mounting bracket 2 at both ends, needs the biggish front apron 3 of setting area.
Preferably, the planker 4 in the present invention is installed on knot between mounting bracket 2 and front apron 3 namely as shown in Figure 3A
Structure, certainly, the present invention, which is not precluded, is arranged in structure between mounting bracket 2 and planker 4 for front apron 3, and connection frame 31 need to be worn
The avoid holes crossed on planker 4 are connect with front apron 3.It is installed under the structure between mounting bracket 2 and front apron 3 in planker 4, it is preceding
Mounting groove is arranged in the plate face that baffle 3 is contacted with the second guide rail 21, and installation is arranged in the plate face that planker 4 is contacted with the second guide rail 21
Slot, the interior setting contact ball 52 of mounting groove, as shown in Figure 3A, and by the contact change sliding friction of ball 52 into rolling friction, reduction
Abrasion.The length that multiple contact balls 52 arrange can be isometric with mounting groove, is also smaller than the length of mounting groove, and pass through contact
Ball 52 can make the inner wall of front apron 3 and the second guide rail 21 have certain gap, and planker 4 and the inner wall of the second guide rail 21 have
Certain gap, avoids face contact.
On the basis of any of the above-described technical solution and its intercombination, middle carriage 4 of the present invention is set as two pieces, such as Fig. 3 D
It is shown, it is the front view in servo-actuated window inner side face of the invention；Two blocks of plankers 4 are opposite to open up U-type groove, and two blocks of plankers 4 can be opposite
Independent transverse translation；There is certain distance between two blocks of plankers 4, can not contact with each other；The both ends of second guide rail 21 are set respectively
The limited block 211 for limiting 4 movement position of planker is set, the extreme position being displaced for limiting two blocks of plankers 4 to two sides, limit
Screw can be used in block 211, can also be other structures, as long as can play the role of blocking.
Dynamic clamping head and quiet clamping head 41 is set between two blocks of plankers 4, and as shown in Figure 3D, dynamic clamping head and quiet clamping head 41 is spring, passes through elasticity
41 transmitting forces of return unit make two blocks of plankers 4 have the trend mobile to two sides, when front apron 3 is in an intermediate position, two
Block planker 4 is located at two sides, the limit hole not being exposed in mounting bracket 2；When front apron 3 moves right, pass through transmission
Ball 51 drives two blocks of plankers 4 to move right, and resists the elastic force of spring, and the planker 4 in left side exposes the limit in mounting bracket 2
Limit hole is blocked in hole；Correspondingly, when front apron 3 is moved to the left, the planker 4 on right side exposes the limit hole in mounting bracket 2.
As shown in Figure 4 A and 4 B shown in FIG., the respectively optical lens structural schematic diagram that extends longitudinally outward and inwardly bounce back,
Baffle ring 32 is set at the limit hole of front apron 3, and the bore size at 32 center of baffle ring is less than the size of optical lens, and baffle ring 32 is used for
Limit the maximum projecting position of optical lens.
The second guide rail 21 in the present invention is turned down by the edge of front apron 3 to be formed, as shown in Figure 3A, in the dog-ear of inner sidewall
It is smaller to locate thickness, convenient for bending, the second guide rail 21 turns down the U-shaped structure formed by the edge of front apron 3, and it is easy to process, also mention
High integraty.In addition to this, the second guide rail can also be arranged independently of front apron 3.
The present invention also provides a kind of optometry equipments, and including above-mentioned servo-actuated window, the outer housing of the optometry equipment keeps solid
Fixed motionless, internal movement mechanism drives optical lens movement to be detected, and due to using servo-actuated window, moves in optical lens
The outer housing of optometry equipment is kept into interior outer closure always in dynamic process, keeps inside and outside isolation.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, this hair
It is bright to be not intended to be limited to the embodiments shown herein, and be to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (10)
1. a kind of servo-actuated window, which is characterized in that including with relatively-stationary first guide rail (1) of shell, first guide rail (1)
On be slidably matched and insert mounting bracket (2)；It is arranged the second guide rail (21) on the mounting bracket (2), second guide rail (21)
On be slidably matched and insert front apron (3)；
The optometry hole for passing through optical lens is opened up on the front apron (3), is opened up on the mounting bracket (2) and optics
The limit hole of camera motion range fit；First guide rail (1) and second guide rail (21) mutual cooperation realization level are led
To be vertically directed；
The front apron (3) is fixedly connected with the movement mechanism of enclosure interior by connection frame (31), and the movement mechanism drives institute
State front apron (3) synchronous shift.
2. servo-actuated window according to claim 1, which is characterized in that first guide rail (1) is vertically fixed on shell
On inner wall, it is vertically directed the mounting bracket (2)；Front apron (3) described in second guide rail (21) horizontally-guided.
3. servo-actuated window according to claim 2, which is characterized in that the inserting that is slidably matched in second guide rail (21) is dragged
Plate (4), the planker (4) and the front apron (3) overlapped sliding；The front apron (3) drives institute by stop block structure
State planker (4) translation.
4. servo-actuated window according to claim 3, which is characterized in that the front apron (3) and the planker (4) are mutual
Rolling groove is opened up in close plate face respectively, transmitting balls (51) are set in the rolling groove；
The length direction of the rolling groove is parallel with the second guide rail (21), the length of multiple transmitting balls (51) arrangements
Less than the length of the rolling groove.
5. servo-actuated window according to claim 3, which is characterized in that the planker (4) is installed on the mounting bracket (2)
Between the front apron (3)；Plate face, the planker (4) and the institute that the front apron (3) contacts with second guide rail (21)
It states and mounting groove is respectively set in the plate face of the second guide rail (21) contact, setting contact ball (52) in the mounting groove.
6. according to the described in any item servo-actuated windows of claim 3 to 5, which is characterized in that the planker (4) is set as two pieces,
Two pieces of plankers (4) are opposite to open up U-type groove；The both ends of second guide rail (21) are respectively arranged to limit the planker
(4) limited block (211) of movement position.
7. servo-actuated window according to claim 6, which is characterized in that elastic reset is arranged between two pieces of plankers (4)
Part (41).
8. servo-actuated window according to claim 6, which is characterized in that baffle ring is arranged at the limit hole of the front apron (3)
(32), the baffle ring (32) is used to limit the maximum projecting position of optical lens.
9. servo-actuated window according to claim 6, which is characterized in that second guide rail (21) is by the front apron (3)
Edge turn down to be formed.
10. a kind of optometry equipment, which is characterized in that including the described in any item servo-actuated windows of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549668.6A CN109350007B (en) | 2018-12-18 | 2018-12-18 | Follow-up window and optometry device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549668.6A CN109350007B (en) | 2018-12-18 | 2018-12-18 | Follow-up window and optometry device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109350007A true CN109350007A (en) | 2019-02-19 |
| CN109350007B CN109350007B (en) | 2024-05-24 |
Family
ID=65329822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811549668.6A Active CN109350007B (en) | 2018-12-18 | 2018-12-18 | Follow-up window and optometry device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109350007B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4032461A1 (en) * | 2021-01-22 | 2022-07-27 | Topcon Corporation | Ophthalmologic apparatus and cover |
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| EP4032461A1 (en) * | 2021-01-22 | 2022-07-27 | Topcon Corporation | Ophthalmologic apparatus and cover |
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