US20160048174A1 - Multi-joint synchronous rotary axle structure - Google Patents
Multi-joint synchronous rotary axle structure Download PDFInfo
- Publication number
- US20160048174A1 US20160048174A1 US14/501,275 US201414501275A US2016048174A1 US 20160048174 A1 US20160048174 A1 US 20160048174A1 US 201414501275 A US201414501275 A US 201414501275A US 2016048174 A1 US2016048174 A1 US 2016048174A1
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- US
- United States
- Prior art keywords
- synchronous
- actuating
- rotary axle
- axle structure
- link
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1681—Details related solely to hinges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/08—Friction devices between relatively-movable hinge parts
- E05D11/082—Friction devices between relatively-movable hinge parts with substantially radial friction, e.g. cylindrical friction surfaces
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D7/00—Hinges or pivots of special construction
- E05D7/009—Elongate hinges, e.g. piano-hinges
Definitions
- the present invention relates to a multi-joint synchronous rotary axle structure, and more particularly to a rotary axle structure which can be mounted to two opposing foldable apparatuses for synchronous rotation and operation and has a more compact structure.
- an electronic apparatus usually comprises a base as a system end and an upper cover as a display.
- the base and the upper cover are connected through a pivotal device.
- the upper cover can be opened upward to be in a use state with the pivotal device as the axle of operation, or the upper cover can be closed to the upper surface of the base to be in a closed state.
- the pivotal device is as the axle of the electronic apparatus, so the design of the structure must consider whether the operation relative to the base is smooth or not.
- the pivotal device When the upper cover is opened to a desired angle (for example, the screen of the notebook is opened to 135 degrees), the pivotal device must have enough support force to position the screen at the operation angle.
- the pivotal device comprises a connection member having a spindle and another connection member having a spindle sleeve.
- One connection member is mounted to the upper cover, and the other connection member is mounted to the base.
- the spindle and the spindle sleeve are connected with each other.
- the two connection members having the spindle and the spindle sleeve are disposed at two opposing edges of the upper cover and the base of the electronic apparatus (such as a notebook).
- This conventional pivotal device is arranged in the form of one set.
- the coordination of two pivotal devices is not perfect because the two pivotal devices don't have the same spindle when being turned.
- the rotation degree of the two pivotal devices is also limited, so the electronic apparatus cannot be opened or closed smoothly.
- a pivotal device not having the same spindle is developed and mounted between the upper cover and the base of the electronic apparatus.
- the coordination of the two spindles of the pivotal device cannot be controlled so the electronic apparatus cannot be closed or opened accurately and smoothly and the demand for a light operation cannot be achieved.
- This device comprises at least one driving joint assembly 1 and at least one driven joint assembly 2 .
- the driving joint assembly 1 comprises two opposing first and second joint plates 11 , 12 and a middle link plate assembly 13 between the first and second joint plates 11 , 12 .
- the two opposing first and second joint plates 11 , 12 have synchronous actuating portion 111 , 121 at respective inner ends thereof.
- the middle link plate assembly 13 has two connecting actuating portions at the two ends thereof to mate with the synchronous actuating portions 111 , 121 of the first joint plate 11 and the second joint plate 12 .
- the driven joint assembly 2 is disposed between the first and second joint plates 11 , 12 of the driving joint assembly 1 .
- the driven joint assembly 2 comprises at least two driven plates 20 , 21 which have synchronous actuating portions at respective inner ends thereof to mate with each other.
- the inner ends of the opposing joint plates 11 , 12 correspond to the outer ends of the driven plates 20 , 21 and are connected with axle pins 3 .
- the outer ends of each middle link plate of the middle link plate assembly 13 correspond to the inner ends of the driven plates 20 , 21 and are connected with axle pins.
- the outer ends of the opposing joint plates 11 , 12 have insertion end heads 110 , 120 for connecting with a foldable object 4 easily.
- the driving joint assembly 1 and the driven joint assembly 2 are arranged side by side, and the middle link plate assembly 13 between the opposing joint plates 11 , 21 and the driven joint assembly 2 are connected through the axle pins to form a multi-joint synchronous rotary axle structure.
- Each joint plate of the driving joint assembly can be rotated freely through multiple rotation centers.
- the aforesaid multi-joint synchronous rotary axle structure is composed of a plurality of toothed plates to achieve better transmission and the required torsion to support the turning angle. Because the parts are too many, the quality of the product can't be controlled easily. It is difficult to control the tightness of the plates. Sometimes, the lubricant may leak out. Accordingly, the inventor of the present invention has devoted himself based on his many years of practical experiences to solve these problems.
- the primary object of the present invention is to provide a multi-joint synchronous rotary axle structure which comprises a middle shaft and two parallel side shafts at two sides of the middle shaft.
- a first synchronous actuating assembly and a second synchronous actuating assembly are provided at two opposite positions of the middle shaft and the side shafts, which are connected in a reverse link relationship.
- the two side shafts can be rotated about the middle shaft to generate a synchronous reverse turning.
- a further object of the present invention is to provide a multi-joint synchronous rotary axle structure which comprises a two-way shaft plate disposed between the middle shaft and each of the side shafts for providing the torsion of tuning of the shafts so as to simplify the torsion supply device between the shafts.
- each of the first and second synchronous actuating assemblies of the present invention is composed of a synchronous actuating member and a corresponding link member.
- Each synchronous actuating member has an actuating end and a fixing end. The actuating end is pivotally connected to one of the side shafts. The actuating end and a link end of the link member form a synchronous connection. The link end of the link member is pivotally connected to the middle shaft.
- the link member further has a driven end fixed to the other side shaft.
- the first synchronous actuating assembly and the second synchronous actuating assembly are disposed at two opposite positions of the middle shaft and the side shafts, which are connected in a reverse link relationship relative to the middle shaft. The two side shafts can be rotated about the middle shaft to generate a synchronous reverse turning.
- a two-way shaft plate to provide a torsion balance of the synchronous actuation of the two side shafts.
- a one-way shaft plate with a fixing plate to overcome the torsion of the relative turning of the middle shaft and the two side shafts for supporting the turning angle of the shafts.
- FIG. 1 is an exploded view of a conventional multi-joint rotary axle structure
- FIG. 2 is a perspective schematic view of the conventional multi-joint rotary axle structure applied to a foldable object
- FIG. 3 is an exploded view according to a preferred embodiment of the present invention.
- FIG. 4 is another exploded view of the embodiment of FIG. 3 ;
- FIG. 5 is a partial exploded view showing the synchronous actuating assembly of the embodiment of FIG. 3 ;
- FIG. 6 is an exploded view of the present invention mounted to a foldable object
- FIG. 7 is a schematic view showing operation of the present invention mounted to the foldable object.
- FIG. 8 is a perspective view showing a plurality of connected multi-joint synchronous rotary axle structures
- the present invention comprises a middle shaft 40 and two side shafts which are disposed at two sides of the middle shaft 40 and parallel to each other.
- the two side shafts are a first side shaft 50 and a second side shaft 51 .
- the middle shaft 40 , the first side shaft 50 , and the second side shaft 51 have a first position 400 , 500 , 510 and a second position 401 , 501 , 511 , respectively.
- a first synchronous actuating assembly 60 and a second synchronous actuating assembly 61 are provided at the first position 400 , 500 , 510 and the second position 401 , 501 , 511 of the middle shaft 40 , the first side shaft 50 , and the second side shaft 51 .
- the connection of the first synchronous actuating assembly 60 and the second synchronous actuating assembly 61 relative to the middle shaft 40 , the first side shaft 50 and the second side shaft 51 can be in opposite directions.
- the first synchronous actuating assembly 60 is composed of a first synchronous actuating member 600 and a first link member 601 .
- the second synchronous actuating assembly 61 is composed of a second synchronous actuating member 610 and a second link member 611 .
- the first synchronous actuating member 600 has an actuating end 602 .
- the actuating end 602 is pivotally connected to the first position 500 of the first side shaft 50 .
- the first synchronous actuating member 600 further has a fixing end 603 extending outward from the actuating end 602 .
- the first link member 601 has a link end 604 .
- the link end 604 is pivotally connected to the first position 400 of the middle shaft 40 .
- the first link member 601 further has a driven end 605 fixed at the first position 510 of the second side shaft 51 .
- the second synchronous actuating member 610 has an actuating end 612 .
- the actuating end 612 is pivotally connected to the second position 511 of the second side shaft 51 .
- the second synchronous actuating member 610 further has a fixing end 613 extending outward from the actuating end 612 .
- the second link member 611 has a link end 614 .
- the link end 614 is pivotally connected to the second position 401 of the middle shaft 40 .
- the second link member 611 further has a driven end 615 fixed at the second position 501 of the first side shaft 50 .
- the actuating end 602 of the first synchronous actuating member 600 and the link end 604 of the first link member 601 form a synchronous connection.
- the actuating end 612 of the second synchronous actuating member 610 and the link end 614 of the second link member 611 form a synchronous connection.
- the synchronous connection can be achieved by teeth, corresponding frictional surfaces, or other means to be linked synchronously.
- the user can operate the first synchronous actuating assembly 60 or the second synchronous actuating assembly 61 relative to the middle shaft 40 .
- the actuating end 602 of the first synchronous actuating member 600 the actuating end 602 will be rotated around the outer periphery of the link end 604 of the first link member 601 (namely, relative to the middle shaft 40 ).
- This operation will actuate the first side shaft 50 to rotate relative to the middle shaft 40 simultaneously, such that the driven end 615 of the second link member 611 is linked to displace.
- the link end 614 of the second link member 611 is rotated relative to the middle shaft 40 .
- the present invention is able to form a multi-joint rotary axle structure which comprises at least three shafts, referring to FIG. 7 .
- the present invention further comprises a torsion elastic plate assembly 7 disposed between two synchronous actuating assembles (such as between the first synchronous actuating assembly 60 and the second synchronous actuating assembly 61 ).
- the torsion elastic plate assembly 7 comprises a two-way shaft plate 71 and/or a one-way shaft plate 72 .
- the two-way shaft plate 71 comprises a pair of elastic sleeves 710 to wrap the middle shaft 40 and one of the first side shaft 50 and the second side shaft 51 for providing the rotation torsion between either of the side shafts and the middle shaft 40 .
- the one-way shaft plate 72 comprises an elastic sleeve 720 to wrap one of the first side shaft 50 and the second side shaft 51 , and a fixing plate 721 extends from the elastic sleeve 720 to be secured to the fixing end 603 , 613 of the first synchronous actuating member 600 or the second synchronous actuating member 610 to achieve a synchronous operation and provide the torsion of the relative rotation between the synchronous actuating member 600 , 610 and the corresponding side shaft 50 , 51 .
- the number and length of the multi-joint rotary axle structure of the present invention can be adjusted according to the demand of the object.
- two outer ends of the multi-joint rotary axle are coupled with respective end fittings 80 .
- the fixing ends 603 , 613 of the synchronous actuating members or/and the fixing plate 721 of the multi-joint rotary axle can be coupled to opposite connecting sides 91 of two foldable members 90 of the aforesaid electronic object to provide a foldable effect.
- the multi-joint synchronous rotary axle structure of the present invention has the following advantages.
- the parts of the present invention are decreased greatly to enhance the capacity and lower the cost.
- the present invention uses at least three shafts to achieve a full turning. Compared to the conventional structure having at least four shafts, the present invention has less turning folding thickness to provide a compact condition for the object.
- the present invention does not need to use foldable elastic plates to provide the torsion of the turning shafts. This not only simplifies the number of the parts but also prevents lubricant from leaking.
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
- Toys (AREA)
Abstract
Description
- 1. Field of the Invention
- The present invention relates to a multi-joint synchronous rotary axle structure, and more particularly to a rotary axle structure which can be mounted to two opposing foldable apparatuses for synchronous rotation and operation and has a more compact structure.
- 2. Description of the Prior Art
- Nowadays, an electronic apparatus usually comprises a base as a system end and an upper cover as a display. The base and the upper cover are connected through a pivotal device. The upper cover can be opened upward to be in a use state with the pivotal device as the axle of operation, or the upper cover can be closed to the upper surface of the base to be in a closed state. The pivotal device is as the axle of the electronic apparatus, so the design of the structure must consider whether the operation relative to the base is smooth or not. When the upper cover is opened to a desired angle (for example, the screen of the notebook is opened to 135 degrees), the pivotal device must have enough support force to position the screen at the operation angle.
- In general, the pivotal device comprises a connection member having a spindle and another connection member having a spindle sleeve. One connection member is mounted to the upper cover, and the other connection member is mounted to the base. The spindle and the spindle sleeve are connected with each other. To consider the support strength and the smoothness of operation, the two connection members having the spindle and the spindle sleeve are disposed at two opposing edges of the upper cover and the base of the electronic apparatus (such as a notebook).
- This conventional pivotal device is arranged in the form of one set. When the upper cover of the electronic apparatus is opened, the coordination of two pivotal devices is not perfect because the two pivotal devices don't have the same spindle when being turned. Besides, the rotation degree of the two pivotal devices is also limited, so the electronic apparatus cannot be opened or closed smoothly.
- Due to the functional limit of the aforesaid pivotal device and the demand for a larger angle of turning, a pivotal device not having the same spindle is developed and mounted between the upper cover and the base of the electronic apparatus. The coordination of the two spindles of the pivotal device cannot be controlled so the electronic apparatus cannot be closed or opened accurately and smoothly and the demand for a light operation cannot be achieved.
- In order to improve the aforesaid shortcomings, a prior invention is developed as shown in
FIG. 1 andFIG. 2 . This device comprises at least onedriving joint assembly 1 and at least one drivenjoint assembly 2. Thedriving joint assembly 1 comprises two opposing first andsecond joint plates link plate assembly 13 between the first andsecond joint plates second joint plates portion link plate assembly 13 has two connecting actuating portions at the two ends thereof to mate with the synchronous actuatingportions first joint plate 11 and thesecond joint plate 12. The drivenjoint assembly 2 is disposed between the first andsecond joint plates driving joint assembly 1. The drivenjoint assembly 2 comprises at least two drivenplates opposing joint plates plates link plate assembly 13 correspond to the inner ends of the drivenplates opposing joint plates insertion end heads driving joint assembly 1 and the drivenjoint assembly 2 are arranged side by side, and the middlelink plate assembly 13 between theopposing joint plates joint assembly 2 are connected through the axle pins to form a multi-joint synchronous rotary axle structure. Each joint plate of the driving joint assembly can be rotated freely through multiple rotation centers. - However, the aforesaid multi-joint synchronous rotary axle structure is composed of a plurality of toothed plates to achieve better transmission and the required torsion to support the turning angle. Because the parts are too many, the quality of the product can't be controlled easily. It is difficult to control the tightness of the plates. Sometimes, the lubricant may leak out. Accordingly, the inventor of the present invention has devoted himself based on his many years of practical experiences to solve these problems.
- The primary object of the present invention is to provide a multi-joint synchronous rotary axle structure which comprises a middle shaft and two parallel side shafts at two sides of the middle shaft. A first synchronous actuating assembly and a second synchronous actuating assembly are provided at two opposite positions of the middle shaft and the side shafts, which are connected in a reverse link relationship. The two side shafts can be rotated about the middle shaft to generate a synchronous reverse turning.
- A further object of the present invention is to provide a multi-joint synchronous rotary axle structure which comprises a two-way shaft plate disposed between the middle shaft and each of the side shafts for providing the torsion of tuning of the shafts so as to simplify the torsion supply device between the shafts.
- According to the aforesaid embodiment, each of the first and second synchronous actuating assemblies of the present invention is composed of a synchronous actuating member and a corresponding link member. Each synchronous actuating member has an actuating end and a fixing end. The actuating end is pivotally connected to one of the side shafts. The actuating end and a link end of the link member form a synchronous connection. The link end of the link member is pivotally connected to the middle shaft. The link member further has a driven end fixed to the other side shaft. The first synchronous actuating assembly and the second synchronous actuating assembly are disposed at two opposite positions of the middle shaft and the side shafts, which are connected in a reverse link relationship relative to the middle shaft. The two side shafts can be rotated about the middle shaft to generate a synchronous reverse turning.
- According to the aforesaid embodiment, between the middle shaft and the two side shafts is provided with a two-way shaft plate to provide a torsion balance of the synchronous actuation of the two side shafts. Between the middle shaft and the two side shafts is further provided with a one-way shaft plate with a fixing plate to overcome the torsion of the relative turning of the middle shaft and the two side shafts for supporting the turning angle of the shafts.
-
FIG. 1 is an exploded view of a conventional multi-joint rotary axle structure; -
FIG. 2 is a perspective schematic view of the conventional multi-joint rotary axle structure applied to a foldable object; -
FIG. 3 is an exploded view according to a preferred embodiment of the present invention; -
FIG. 4 is another exploded view of the embodiment ofFIG. 3 ; -
FIG. 5 is a partial exploded view showing the synchronous actuating assembly of the embodiment ofFIG. 3 ; -
FIG. 6 is an exploded view of the present invention mounted to a foldable object; -
FIG. 7 is a schematic view showing operation of the present invention mounted to the foldable object; and -
FIG. 8 is a perspective view showing a plurality of connected multi-joint synchronous rotary axle structures - Embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings.
- Referring to
FIG. 3 toFIG. 5 , the present invention comprises amiddle shaft 40 and two side shafts which are disposed at two sides of themiddle shaft 40 and parallel to each other. The two side shafts are afirst side shaft 50 and asecond side shaft 51. Themiddle shaft 40, thefirst side shaft 50, and thesecond side shaft 51 have afirst position second position synchronous actuating assembly 60 and a second synchronous actuatingassembly 61 are provided at thefirst position second position middle shaft 40, thefirst side shaft 50, and thesecond side shaft 51. The connection of the firstsynchronous actuating assembly 60 and the second synchronous actuatingassembly 61 relative to themiddle shaft 40, thefirst side shaft 50 and thesecond side shaft 51 can be in opposite directions. As shown in the drawings, the firstsynchronous actuating assembly 60 is composed of a firstsynchronous actuating member 600 and afirst link member 601. The second synchronous actuatingassembly 61 is composed of a second synchronous actuatingmember 610 and asecond link member 611. The firstsynchronous actuating member 600 has anactuating end 602. Theactuating end 602 is pivotally connected to thefirst position 500 of thefirst side shaft 50. The firstsynchronous actuating member 600 further has a fixingend 603 extending outward from the actuatingend 602. Thefirst link member 601 has alink end 604. Thelink end 604 is pivotally connected to thefirst position 400 of themiddle shaft 40. Thefirst link member 601 further has a drivenend 605 fixed at thefirst position 510 of thesecond side shaft 51. The second synchronous actuatingmember 610 has anactuating end 612. Theactuating end 612 is pivotally connected to thesecond position 511 of thesecond side shaft 51. The second synchronous actuatingmember 610 further has a fixingend 613 extending outward from the actuatingend 612. Thesecond link member 611 has alink end 614. Thelink end 614 is pivotally connected to thesecond position 401 of themiddle shaft 40. Thesecond link member 611 further has a drivenend 615 fixed at thesecond position 501 of thefirst side shaft 50. Theactuating end 602 of the firstsynchronous actuating member 600 and thelink end 604 of thefirst link member 601 form a synchronous connection. Theactuating end 612 of the second synchronous actuatingmember 610 and thelink end 614 of thesecond link member 611 form a synchronous connection. The synchronous connection can be achieved by teeth, corresponding frictional surfaces, or other means to be linked synchronously. - Through the aforesaid structure, the user can operate the first
synchronous actuating assembly 60 or the second synchronous actuatingassembly 61 relative to themiddle shaft 40. If the user operates theactuating end 602 of the firstsynchronous actuating member 600, the actuatingend 602 will be rotated around the outer periphery of thelink end 604 of the first link member 601 (namely, relative to the middle shaft 40). This operation will actuate thefirst side shaft 50 to rotate relative to themiddle shaft 40 simultaneously, such that thedriven end 615 of thesecond link member 611 is linked to displace. Thus, thelink end 614 of thesecond link member 611 is rotated relative to themiddle shaft 40. This rotation brings the second synchronous actuatingmember 610 to rotate reversely relative to the firstsynchronous actuating member 600. Similarly, if the user operates the second synchronous actuatingmember 610, according to the aforesaid link relationship, the firstsynchronous actuating member 600 will be rotated reversely relative to the second synchronous actuatingmember 610. Accordingly, the present invention is able to form a multi-joint rotary axle structure which comprises at least three shafts, referring toFIG. 7 . - For the rotation angle between the
middle shaft 40, thefirst side shaft 50 and thesecond side shaft 51 to have enough torsion, the present invention further comprises a torsionelastic plate assembly 7 disposed between two synchronous actuating assembles (such as between the firstsynchronous actuating assembly 60 and the second synchronous actuating assembly 61). The torsionelastic plate assembly 7 comprises a two-way shaft plate 71 and/or a one-way shaft plate 72. The two-way shaft plate 71 comprises a pair ofelastic sleeves 710 to wrap themiddle shaft 40 and one of thefirst side shaft 50 and thesecond side shaft 51 for providing the rotation torsion between either of the side shafts and themiddle shaft 40. The one-way shaft plate 72 comprises anelastic sleeve 720 to wrap one of thefirst side shaft 50 and thesecond side shaft 51, and a fixingplate 721 extends from theelastic sleeve 720 to be secured to the fixingend synchronous actuating member 600 or the second synchronous actuatingmember 610 to achieve a synchronous operation and provide the torsion of the relative rotation between thesynchronous actuating member corresponding side shaft - Referring to
FIG. 3 toFIG. 8 , the number and length of the multi-joint rotary axle structure of the present invention can be adjusted according to the demand of the object. After assembled, two outer ends of the multi-joint rotary axle are coupled withrespective end fittings 80. The fixing ends 603, 613 of the synchronous actuating members or/and the fixingplate 721 of the multi-joint rotary axle can be coupled to opposite connectingsides 91 of twofoldable members 90 of the aforesaid electronic object to provide a foldable effect. - Compared to the conventional multi-joint rotary axle, the multi-joint synchronous rotary axle structure of the present invention has the following advantages.
- 1. The parts of the present invention are decreased greatly to enhance the capacity and lower the cost.
- 2. The present invention uses at least three shafts to achieve a full turning. Compared to the conventional structure having at least four shafts, the present invention has less turning folding thickness to provide a compact condition for the object.
- 3. The present invention does not need to use foldable elastic plates to provide the torsion of the turning shafts. This not only simplifies the number of the parts but also prevents lubricant from leaking.
- Although particular embodiments of the present invention have been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the present invention. Accordingly, the present invention is not to be limited except as by the appended claims.
Claims (27)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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TW103128200 | 2014-08-15 | ||
TW103128200A TWI532930B (en) | 2014-08-15 | 2014-08-15 | Multi - joint synchronous shaft structure |
TW103128200A | 2014-08-15 |
Publications (2)
Publication Number | Publication Date |
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US20160048174A1 true US20160048174A1 (en) | 2016-02-18 |
US9268372B1 US9268372B1 (en) | 2016-02-23 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/501,275 Active US9268372B1 (en) | 2014-08-15 | 2014-09-30 | Multi-joint synchronous rotary axle structure |
Country Status (3)
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US (1) | US9268372B1 (en) |
CN (2) | CN204164153U (en) |
TW (1) | TWI532930B (en) |
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Also Published As
Publication number | Publication date |
---|---|
US9268372B1 (en) | 2016-02-23 |
CN105370709A (en) | 2016-03-02 |
TW201606211A (en) | 2016-02-16 |
TWI532930B (en) | 2016-05-11 |
CN105370709B (en) | 2018-01-30 |
CN204164153U (en) | 2015-02-18 |
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