CN109973577A - A kind of unlocking structure of gas spring - Google Patents
A kind of unlocking structure of gas spring Download PDFInfo
- Publication number
- CN109973577A CN109973577A CN201910352402.0A CN201910352402A CN109973577A CN 109973577 A CN109973577 A CN 109973577A CN 201910352402 A CN201910352402 A CN 201910352402A CN 109973577 A CN109973577 A CN 109973577A
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- Prior art keywords
- gas spring
- support
- support frame
- eccentric drive
- drive wheel
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- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 210000002683 foot Anatomy 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Biomedical Technology (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of unlocking structures of gas spring, belong to controllable gas spring technical field, including lifter plate, support shaft and the support base for being symmetrically disposed in lifter plate supporting surface two sides, support frame and controllable gas spring, the support base, support frame is provided with axis hole corresponding with support shaft, support frame is in U-shape structure, and bottom is provided with the installation interface of controllable gas spring, the piston rod end of controllable gas spring is tightened to the bottom of support frame, the bar core of piston rod protrudes into support frame, the side sheet room installation of support frame as described above has the eccentric drive wheel of supporting shaft hole, the support shaft and the support base for being arranged in lifter plate supporting surface two sides, support frame, and the eccentric drive wheel in support frame is coupled.The present invention directly realizes linkage control to controllable gas spring using support shaft, does not have to add auxiliary operation structure when installing and using, and handle installing is flexibly, reduces the interference problem occurred in practical process.
Description
Technical field
The present invention relates to controllable gas spring technical field, the unlocking structure of specifically a kind of gas spring.
Background technique
Gas spring is widely applied in multiple fields such as automobile, furniture, Medical Devices, such as deck is exactly to use one
The uncontrollable gas spring support back box lid of kind, the backboard of transfer car(buggy), diagnosis and treatment bed, operating bed of Medical Devices etc. is required to adjust and be risen
Drop height (such as Fig. 6 signal).So realizing height adjustment using a kind of controllable gas spring, described controllable gas spring bar top has
One bar core, gas spring can then move in certain stroke range under pressing state, after release can in stroke any position
Stopping is set, and there is very big coupling mechanism force.To realize the angular adjustment of the products backboards such as transfer car(buggy), diagnosis and treatment bed, operating bed.
In the prior art, the control method of single branch gas spring and construction or fairly simple convenience, such as using the bowden of cable connection
Line support frame system (such as Fig. 1 signal) is constructed with lever release system (such as Fig. 2 signal).
Lifter plate is supported with single branch gas spring, the middle position of backboard reverse side is generally seated in, although stability easy to operate
It is not high, it especially will affect patient and shoot chest x-ray piece.So in order to improve the stability of strutting system of backboard or for the ease of shooting X
Mating plate operation, it is often necessary to while the two sides of backboard are supported on 2 gas springs.Existing two gas springs realize the control of linkage
Method processed mostly uses greatly the mode such as Fig. 2, the installation linkage pressing lever of 3 signals or push-pull rod to realize, however due to separately filling linkage
Control can form interference with other constructions in most cases or can not operate, to bring problem to product design.Germany
HAHN-GASFEDERN company have the linkage control construction (as shown in Figure 4) of gas spring a kind of, added using micro hydraulic device
The method of line traffic control realizes linkage control, but the installation of this method is more complicated, and price is very high, so using less.
Summary of the invention
It is easy for installation the purpose of the present invention is to provide a kind of unlocking structure of gas spring, it is dry to other structures when installation
Relate to few, manufacturing cost is low and the linkage control of maneuverable controllable gas spring, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of unlocking structure of gas spring, including lifter plate, support shaft and it is symmetrically disposed in lifter plate supporting surface two sides
Support base, support frame and controllable gas spring, the support base, support frame be provided with axis hole corresponding with support shaft, props up
Support is in U-shape structure, and bottom is provided with the installation interface of controllable gas spring, and fixation is tightened in the piston rod end of controllable gas spring
In the bottom of support frame, the bar core of piston rod is protruded into support frame, and the side sheet room installation of support frame as described above is with supporting shaft hole
Eccentric drive wheel, impulse stroke curved surface and the supporting shaft hole centre distance of eccentric drive wheel are gradually increased, in release conditions can
The bar core end of gas spring is controlled close on the eccentric drive camber of wheels away from supporting shaft hole center closer distance, the support shaft and cloth
The eccentric drive wheel set in the support base in lifter plate supporting surface two sides, support frame and support frame is coupled.
As a further solution of the present invention: eccentric drive wheel described in two sides is in equal angular with support shaft with fixation
Pin, welding or bonding way are fastened.
As a further solution of the present invention: further including control handle, control handle is installed in support shaft both ends or unilateral side
Or relatively intermediate position or it is set up directly in eccentric drive wheel.
As a further solution of the present invention: the clipping room of the controllable gas spring of the supporting surface of the lifter plate and component away from
Not less than the width of the X-ray of maximum specification.
As a further solution of the present invention: spring bearing or lubricative axle sleeve are installed in the support base.
As a further solution of the present invention: eccentric drive wheel described in two sides is equipped in equal angular with support shaft solid
Fixed pin hole is equipped with fixed pin in fixed pin holes.
As a further solution of the present invention: the controllable gas spring bottom end is connected with gas spring support arm.
As a further solution of the present invention: support frame as described above inner opposite end installs the limit of restricted eccentric drive wheel rotation
Position part.
As further scheme of the invention: being equipped with middle control handle in the middle part of the support shaft.
As further scheme of the invention: the width of the lifter plate is 500~510mm, the peace of controllable gas spring
Dress spacing is 390~410mm.
As further scheme of the invention: the eccentric drive wheel is to be provided with the circle of eccentric supporting shaft hole
Wheel, or the round entity structure with stroke curved surface.
Compared with prior art, it links the beneficial effects of the present invention are: directly being realized to controllable gas spring using support shaft
Control does not have to add auxiliary operation structure when installing and using, and handle installing is flexibly, reduce occur in use process it is dry
Relate to problem；Structure is simple, manufacturing cost is low, easy to operate, is a variety of industries, especially medical transport pushing cart, operating bed, gynaecology
The design and manufacture of diagnosis and treatment bed etc. provide very useful technical solution.
Detailed description of the invention
Fig. 1 is that prior art controllable gas spring bowden line discharges structural schematic diagram.
Fig. 2 is that prior art controllable gas spring band lever discharges structural schematic diagram.
Fig. 3 is the linkage control organigram that lever shown in Fig. 2 discharges structure.
Fig. 4 is that the linkage control of HAHN-GASFEDERN company, Germany constructs product schematic diagram.
Fig. 5 is the schematic side view for being equipped with the portable transport pushing cart of controllable gas spring.
Fig. 6 is the elevational schematic view for installing the lifter plate supporting surface of linkage control construction.
Partial structurtes enlarged diagram at A in Fig. 7 Fig. 6.
Fig. 8 is B-B schematic cross-sectional view in Fig. 7.
Fig. 9 is the structural form schematic cross-sectional view that eccentric drive wheel cuts off curved surface stroke outer portion entity.
Figure 10 is the three-dimensional assembling structure schematic diagram of the present invention.
Figure 11 is the schematic diagram of another embodiment of the three-dimensional assembling structure of the present invention.
In figure: 1- lifter plate, 2- support base, 21- spring bearing, 3- control handle, control in 31- handle, 4- support frame,
5- support shaft, 6- fixed pin, 7- eccentric drive wheel, 8- locating part, 9- bar core, 10- piston rod, 11- controllable gas spring, 12- gas
Spring supporting arm.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
Refering to Fig. 4~10, in the embodiment of the present invention, a kind of unlocking structure of gas spring, including lifter plate 1,5 and of support shaft
It is symmetrically disposed in support base 2, support frame 4 and the controllable gas spring 11 of 1 supporting surface two sides of lifter plate, support base 2 is fixed
At 1 back side of lifter plate, 4 inner opposite end of support frame as described above installs the locating part 8 that restricted eccentric drive wheel 7 rotates, and further includes behaviour
Handle 3 is controlled, control handle 3 is installed in 5 both ends of support shaft or unilateral side or relatively intermediate position or is set up directly on eccentric drive wheel 7
On.
The controllable gas spring 11 of the supporting surface of the lifter plate 1 and the clipping room of component are away from the X-ray for being not less than maximum specification
The width of piece, in the present embodiment, the width of lifter plate 1 is 500~510mm, the clipping room of controllable gas spring 11 away from for 390~
410mm, the preferably width of lifter plate 1 are 510mm, and the clipping room of controllable gas spring 11 is away from 390mm, and not only there are foots for the size
Enough installation spaces and enough operating spaces, are additionally favorable for patient X-ray.
11 bottom end of controllable gas spring is connected with gas spring support arm 12, is equipped with support shaft in the support base 2
21 or lubricative axle sleeve are held, to reduce rotary resistance, reduces contact friction force, rapid operation, the support base 2, support frame 4 are set
It is equipped with axis hole corresponding with support shaft 5, support frame 4 is in U-shape structure, and bottom is provided with the installation interface of controllable gas spring 11,
10 end of piston rod of controllable gas spring 11 is tightened to the bottom of support frame 4, and the bar core 9 of piston rod 10 protrudes into support frame 4
Interior, the side sheet room installation of support frame as described above 4 has the eccentric drive wheel 7 of supporting shaft hole, the impulse stroke curved surface of eccentric drive wheel 7
Be gradually increased with supporting shaft hole centre distance, in release conditions controllable gas spring 11 9 end of bar core close to away from supporting shaft hole
On 7 curved surface of eccentric drive wheel of center closer distance, eccentric drive wheel 7 described in two sides is assembled in equal angular with support shaft 5
Have fixed pin holes, fixed pin 6 be installed in fixed pin holes, eccentric drive wheel 7 described in two sides in equal angular with support shaft 5 with
Fixed pin 6, welding or bonding way are fastened, the support shaft 5 be arranged in 1 supporting surface two sides of lifter plate support base 2,
Eccentric drive wheel 7 in support frame 4 and support frame 4 is coupled, while pressing control handle 3 rotates eccentric drive wheel 7,
The synchronous bar core 9 for pushing two sides of its curved surface realizes that the piston rod 10 of controllable gas spring 11 unlocks lifting, and releases in control handle 3
The fastening of piston rod 10 positioning when putting.
The support base 2, can be with casting and forming or number preferably with lifter plate 1, braced frame assembly welding fabrication
Machine-shaping is controlled, frame selects metal pipe material, expects required size under automated programming laser Pipe Cutting, carry out packing weldering using tooling
It connects, low manufacture cost, easily realizes processing, can be mass-produced；Or casting and forming, support base 2 utilize mold one-step casting
Molding, is assembled with lifter plate 1 using standard handware；Can also using carbon fibre material and 1 hot pressing of lifter plate one at
Type.
The control handle 3 can be to be made of a variety of methods such as metal Vehicle Processing, injection molding, die casting and shape, described
Eccentric drive wheel 7 be to be provided with the circular wheel of eccentric supporting shaft hole, or the round entity knot with stroke curved surface
The moulding of the various shapes of structure etc..
Support frame as described above 4 preferentially selects punch forming or die cast, can be with assembled welding fabrication, and support frame 4 is excellent
Eccentric drive wheel pressing structure (as shown in Figure 7) first is selected, the bar core 9 of Controllable Air spring 11 is pressed using eccentric drive wheel 7,
Realize that control function, eccentric drive wheel 7 pass through finishing processing, outer circle smooth abrasion-proof makes the structure operation light；Or it uses
Pressure head pressure plate structure (as shown in Figure 6), pressure head and pressing plate utilize wire cutting technology machine-shaping or welding fabrication, and setting angle is easy
Control；Cam pressing structure (not shown) can also be used, replaces pressure head and pressure head to realize Controllable Air bullet using cam
The bar core 9 of spring 11 acts on, and realizes control function.
Embodiment 2
Refering to fig. 11, in another embodiment of the invention, it is in place of the difference of the embodiment and above-described embodiment,
Middle control handle 31 is installed in the middle part of the support shaft 5, by control handle 31 in manipulation and can realize the rotation to support shaft 5.
The working principle of the invention is: two sides being used to support the support shaft 5 that pedestal 2 and 4 axis of support frame connect and are extended for two
Side shares, and the eccentric drive wheel 7 of two equal angulars is fastened in the support shaft 5 in support frame 4, and control handle 3 can have more
Kind mode is easily and flexibly installed in support shaft 4, and rotation control handle 3 makes the curved surface pushing of the eccentric drive wheel 7 of two sides can
The bar core 9 of gas spring 11 is controlled, realizes 10 synchronizing unlocking of the piston rod lifting of controllable gas spring 11, and when control handle 3 discharges
The fastening positioning of piston rod 10.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of unlocking structure of gas spring, including lifter plate (1), support shaft (5) and it is symmetrically disposed in lifter plate (1) support
Support base (2), support frame (4) and the controllable gas spring (11) of face two sides, the support base (2), support frame (4) are provided with
Axis hole corresponding with support shaft (5), support frame (4) are in U-shape structure, and bottom is provided with the installation of controllable gas spring (11) and connects
Mouthful, piston rod (10) end of controllable gas spring (11) is tightened to the bottom of support frame (4), the bar core of piston rod (10)
(9) it protrudes into support frame (4), which is characterized in that the side sheet room installation of support frame as described above (4) has the eccentric drive of supporting shaft hole
It takes turns (7), impulse stroke curved surface and the supporting shaft hole centre distance of eccentric drive wheel (7) are gradually increased, in the controllable of release conditions
Bar core (9) end of gas spring (11) is close on eccentric drive wheel (7) curved surface away from supporting shaft hole center closer distance, the branch
Support axis (5) and the bias being arranged in the support base (2), support frame (4) and support frame (4) of lifter plate (1) supporting surface two sides
Driving wheel (7) is coupled, and support frame as described above (4) inner opposite end installs the locating part (8) of restricted eccentric drive wheel (7) rotation,
Eccentric drive wheel described in two sides (7) is equipped with fixed pin holes with support shaft (5) in equal angular, is equipped in fixed pin holes solid
Rationed marketing (6).
2. a kind of unlocking structure of gas spring according to claim 1, which is characterized in that eccentric drive wheel described in two sides
(7) it is fastened in equal angular with support shaft (5) with fixed pin (6), welding or bonding way.
3. a kind of unlocking structure of gas spring according to claim 2, which is characterized in that it further include control handle (3), behaviour
Control handle (3) is installed in support shaft (5) both ends or unilateral side or relatively intermediate position or is set up directly on eccentric drive wheel (7).
4. a kind of unlocking structure of gas spring according to claim 1, which is characterized in that the support of the lifter plate (1)
The controllable gas spring (11) in face and the clipping room of component are away from the width of the X-ray not less than maximum specification.
5. a kind of unlocking structure of gas spring according to claim 1, which is characterized in that pacify on the support base (2)
Equipped with spring bearing (21) or lubricative axle sleeve.
6. a kind of unlocking structure of gas spring according to claim 4, which is characterized in that controllable gas spring (11) bottom
End is connected with gas spring support arm (12).
7. a kind of unlocking structure of gas spring according to claim 2 or 3, which is characterized in that in the middle part of the support shaft (5)
Middle control handle (31) is installed.
8. a kind of unlocking structure of gas spring according to claim 1, which is characterized in that the width of the lifter plate (1)
For 500~510mm, the clipping room of controllable gas spring (11) is away from for 390~410mm.
9. a kind of unlocking structure of gas spring according to claim 2, which is characterized in that the eccentric drive wheel (7) is
It is provided with the circular wheel of eccentric supporting shaft hole, or the round entity structure with stroke curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352402.0A CN109973577A (en) | 2019-04-29 | 2019-04-29 | A kind of unlocking structure of gas spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910352402.0A CN109973577A (en) | 2019-04-29 | 2019-04-29 | A kind of unlocking structure of gas spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973577A true CN109973577A (en) | 2019-07-05 |
Family
ID=67086987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910352402.0A Pending CN109973577A (en) | 2019-04-29 | 2019-04-29 | A kind of unlocking structure of gas spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109973577A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082762A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳市科曼医疗设备有限公司 | Swing arm apparatus |
| WO2021082763A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳市科曼医疗设备有限公司 | Rocker arm device |
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| US4408800A (en) * | 1980-06-11 | 1983-10-11 | American Seating Company | Office chairs |
| JP2000116457A (en) * | 1998-10-20 | 2000-04-25 | Koizumi Sangyo Corp | Sofa elevating and lowering device |
| JP2003310377A (en) * | 2002-04-18 | 2003-11-05 | Takano Co Ltd | Gas spring for chair |
| JP2005169074A (en) * | 2003-11-21 | 2005-06-30 | Itoki Crebio Corp | Gas spring operation device and chair with the same |
| CN2790453Y (en) * | 2005-05-20 | 2006-06-28 | 陈利忠 | Tilt control mechanism for obstetric bed |
| CN102962483A (en) * | 2012-11-27 | 2013-03-13 | 上海龙腾机械制造有限公司 | Cutter adjustment mechanism |
| CN207349041U (en) * | 2017-10-27 | 2018-05-11 | 扬州市金阳光铸造有限公司 | A kind of Portable hand pump |
| CN209839038U (en) * | 2019-04-29 | 2019-12-24 | 上海品兴医疗设备有限公司 | Air spring linkage control mechanism |
-
2019
- 2019-04-29 CN CN201910352402.0A patent/CN109973577A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408800A (en) * | 1980-06-11 | 1983-10-11 | American Seating Company | Office chairs |
| JP2000116457A (en) * | 1998-10-20 | 2000-04-25 | Koizumi Sangyo Corp | Sofa elevating and lowering device |
| JP2003310377A (en) * | 2002-04-18 | 2003-11-05 | Takano Co Ltd | Gas spring for chair |
| JP2005169074A (en) * | 2003-11-21 | 2005-06-30 | Itoki Crebio Corp | Gas spring operation device and chair with the same |
| CN2790453Y (en) * | 2005-05-20 | 2006-06-28 | 陈利忠 | Tilt control mechanism for obstetric bed |
| CN102962483A (en) * | 2012-11-27 | 2013-03-13 | 上海龙腾机械制造有限公司 | Cutter adjustment mechanism |
| CN207349041U (en) * | 2017-10-27 | 2018-05-11 | 扬州市金阳光铸造有限公司 | A kind of Portable hand pump |
| CN209839038U (en) * | 2019-04-29 | 2019-12-24 | 上海品兴医疗设备有限公司 | Air spring linkage control mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021082762A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳市科曼医疗设备有限公司 | Swing arm apparatus |
| WO2021082763A1 (en) * | 2019-10-29 | 2021-05-06 | 深圳市科曼医疗设备有限公司 | Rocker arm device |
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