CN209296508U - A kind of clamping mechanism and friction testing equipment for sole friction testing equipment - Google Patents
A kind of clamping mechanism and friction testing equipment for sole friction testing equipment Download PDFInfo
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- CN209296508U CN209296508U CN201822096176.8U CN201822096176U CN209296508U CN 209296508 U CN209296508 U CN 209296508U CN 201822096176 U CN201822096176 U CN 201822096176U CN 209296508 U CN209296508 U CN 209296508U
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Abstract
The utility model discloses a kind of clamping mechanism and friction testing equipment for sole friction testing equipment, which includes a connection piece, group seat-joined, rotating seat, articulated shaft and forcing piece；The connector is arranged in rotating seat and for fixing shoe tree, the group seat-joined forms hinged cooperation by articulated shaft with rotating seat, and the forcing piece is spirally connected through articulated shaft with rotating seat, and drive and be becoming tight the rotating seat with the group seat-joined of hinged axis connection, so that the shoe tree to connect with rotating seat swings certain angle relative to group seat-joined；The clamping mechanism for sole friction testing equipment that the utility model provides, its simple structure and reasonable design and easily realization, by the tilt angle for adjusting shoe tree, to realize the friction testing to sole difference significant points, the shoes product after guaranteeing factory are more able to satisfy demand of wearing of user during actual motion.
Description
Technical field
The utility model relates to shoe-making industries, especially with a kind of clamping mechanism for sole friction testing equipment and rub
It is related to wipe test equipment.
Background technique
Currently, shoes product need to carry out sole friction testing before manufacture, with test the shoes product of production to Different Ground (such as
Cement pavement, tile floor, wood floor, smooth marble, ice face, glass surface etc.) grab ground and abrasion resistant effect.But
Shoes are during actual motion, since the weight differences of wearer are larger, and in same sole different location stress not yet
Together, therefore each position of sole is required grabs ground and wear-resisting property is also not quite similar, especially sport footwear, for grabbing ground and resistance to
Mill demand is higher, by taking basketball shoes as an example, since during basketball movement, spring, emergency stop etc. are acted to sole forefoot
And road holding and the wearability requirement of rear heel position are higher, therefore before shoe sole production when progress friction testing, it is especially right
These critical positions carry out friction testing；However, existing test equipment is fixed and invariable the test position of sole, it can not
Reflect performance requirement of the sole under real normal service condition, human body can not be simulated and force in sole during actual motion
Critical positions carry out friction testing；In addition, the connection of existing test equipment and shoe tree is fixed, and in test equipment
Shoe tree be customization, need to re-replace shoe tree if being adjusted, and existing shoe tree is to be not used to test, and is needed separately
Customization cost is up to 2000 dollars/of shoe tree；Therefore, existing sole friction testing equipment still has further improved space.
Utility model content
Utility model aims to solve the problems of the prior art, provide a kind of for sole friction testing equipment
Clamping mechanism and friction testing equipment, simple structure and reasonable design and easily realize, by adjust shoe tree tilt angle,
User is more able to satisfy during actual motion with the shoes product of realizing to the friction testings of sole significant points, after guaranteeing factory
Demand of wearing.
To reach above-mentioned purpose, the utility model adopts the following technical solution:
A kind of clamping mechanism for sole friction testing equipment, the clamping mechanism include a connection piece, group seat-joined, rotation
Seat, articulated shaft and forcing piece；The connector is arranged in rotating seat and for fixing shoe tree, and the group seat-joined passes through with rotating seat
Articulated shaft forms hinged cooperation, and the forcing piece is spirally connected through articulated shaft with rotating seat, and drives the group with hinged axis connection
Joint chair is becoming tight the rotating seat, so that the shoe tree to connect with rotating seat swings certain angle relative to group seat-joined.
It further, further include a shoe tree fixed frame, the shoe tree fixed frame includes that bar is held on the first frame body and the first top, institute
It states the first frame body to be installed in above shoe tree, and is installed for the rotating seat；The connector through rotating seat, the first frame body and with
Shoe tree is connected；First top holds the activity of bar one end and is secured to the first frame body, and other end contact is in shoe tree upper surface.
Further, the shoe tree fixed frame further includes that bar is held on the second frame body and the second top, and second frame body is located at shoes
The side of last carving heel and with first frame body limit attaching；Wherein, second top holds the activity of bar one end and is secured to the second frame
Body, the other end are held in shoe tree heel.
Further, first frame body and first top hold bar, the second frame body with second top hold bar pass through respectively sliding tie
Structure attaching；The Sliding Structures include slide and sliding slot, and the sliding slot is opened in the first, second frame body respectively；Each slide
It is respectively placed in each sliding slot, and holds bar with each top respectively and be spirally connected.
Further, the slide is the slide of T-shaped setting；The sliding slot is opened in the first, second frame body and faces
The side of shoe tree.
Further, the rotating seat is rotated using connector as rotary shaft relative to the first frame body, to drive described first
It holds bar and is butted on shoe tree upper surface any position in top.
Further, the group seat-joined includes supporting block, Mobile base and limit regulating part；The supporting block and rotating seat are cut with scissors
It connects；The limit regulating part wears Mobile base and supporting block forms contact cooperation；The Mobile base is surveyed by fixing seat and friction
It tries equipment to be connected, and the Mobile base slides along supporting block length direction and passes through limit regulating part and Mobile base contact is limited in branch
On bracer.
Further, the connector is the hole location swelling cooperation on expansion bolt, with shoe tree.
Further, bar is held in the first, second top that first, second top holds that bar is telescopic movable.
A kind of sole friction testing equipment uses the fixed shoe tree of the clamping mechanism
Compared with the existing technology, the beneficial effect of acquirement is technical solution described in the utility model:
(1) the utility model provides a kind of clamping mechanism and friction testing equipment for sole friction testing equipment,
Its simple structure and reasonable design and easily realization, rotation between the two is realized by the articulated shaft between group seat-joined and rotating seat
Cooperation after the two rotation adjusts certain angle, then drives group seat-joined to be realized with the limit of rotating seat contact and fixes by forcing piece, with
This realizes that the shoe tree on adjustment rotating seat tilts certain angle relative to group seat-joined, such as is adjusted to rub at only forefoot
Wipe test, friction testing or arch of foot position etc. at heel, compared to the prior art in the fixed sole friction testing of shoe tree,
The utility model expands test scope, more flexible, and can carry out stress test for some critical positions, after guaranteeing factory
Shoes product are more able to satisfy demand of wearing of user during actual motion；
(2) the utility model holds bar with the connector being connected on rotating seat is merged using the first frame body, the first top, passes through
First top holds bar and is held in shoe tree upper surface, so that shoe tree is fixed more firm, and it is practical to test point of application simulation human body
Position of centre of gravity tested, test effect is more preferably；
(3) the utility model also sets up the second frame body and bar is held on the second top, and the second top is held bar top and held in shoe tree followed by side
Portion not only makes shoe tree be not easy beat, good stability when applying pressure test, but also is suitable for clamping all size, model
Different shoe trees；
(4) the utility model holds bar to the first, second top using Sliding Structures and carries out position adjusting, to adjust different model
The fixation position of shoe tree can also equally adjust the point of application of test (simulation human body practical function is in the point of application of sole)；
(5) rotating seat described in the utility model and the first frame body relatively rotate, then cooperate Sliding Structures and mobilizable group
Joint chair so that bar top is held on the first top holds the range expansion for realizing test in any position of shoe tree upper surface, and adjusts force
Center, to adjust the detection at different compression positions；
(6) the utility model is incorporated on shoe tree accordingly setting connection hole location by setting expansion bolt as connector,
It realizes and existing shoe tree and test machine cooperation is used for sole friction testing, without going customization to replace expensive dedicated custom shoes
Last carving, and disassembling, assembling and replacing is more convenient in use.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the dimensional decomposition structure diagram of clamping mechanism described in the utility model；
Fig. 2 is the schematic perspective view of clamping mechanism described in the utility model；
Fig. 3 is rotating seat described in the utility model and the schematic diagram after group seat-joined angular adjustment；
Fig. 4 is the schematic diagram after rotating seat described in the utility model is adjusted relative to the rotation of the first frame body；
Specific embodiment
In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with
Under in conjunction with the accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
As shown in Figure 1, a kind of clamping mechanism and friction testing for sole friction testing equipment described in the utility model
Equipment, the clamping mechanism are typically mounted in the fixing seat 8 of sole friction testing equipment (not shown), and sole friction is surveyed
Equipment is tried by tensiometer, pulls fixing seat 8 to drive clamping mechanism in test platform 9 to test set specified pulling force
(it can be set according to the use environment of different soles, such as: cement pavement, tile floor, wood floor, smooth Dali
Stone, ice face, glass surface etc.) on slide displacement, by test sole polishing scratch length, wear area come assess sole grab ground and it is resistance to
Grind performance；
Clamping mechanism described in the utility model includes a connection piece 1, group seat-joined 2, rotating seat 3, articulated shaft 4 and forcing piece 5；
Connector 1 is arranged in rotating seat 3 and for fixing shoe tree 7；Connector 1 described in the utility model, should by taking screw rod as an example
Screw flight is connect through rotating seat 3 and with shoe tree 7, it should be noted that, the shoe tree 7 can be used common on shoe-making assembly line
Shoe tree, without separately customized shoe-last；The utility model is connect in a manner of being spirally connected with shoe tree 7, but is not limited only to this connection type, example
Such as: the connector 1 is the hole location swelling cooperation on expansion bolt, with shoe tree；In addition there are the connection types such as snap connection
All may be used；
Group seat-joined 2, (as shown in Figures 1 to 3) its hinged cooperation, the group seat-joined 2 are formed by articulated shaft 4 with rotating seat 3
It is an outer convex globoidal 20 at rotating seat 3, forms inner concave arc surface 30 on the rotating seat 3, the group seat-joined 2 described in this way and rotation
Seat 3 is then spirally connected through articulated shaft 4 with rotating seat 3 by forcing piece 5 by 4 relative rotation of articulated shaft, and drive and articulated shaft
The group seat-joineds 2 of 4 connections are becoming tight the rotating seat 3, and the outer convex globoidal 20 of group seat-joined 2 and the indent of rotating seat 3 are made using forcing piece 5
Closely cooperation realization fixation is held on top to cambered surface 30, so that the shoe tree 7 to connect with rotating seat 3 is swung centainly relative to group seat-joined 2
Angle, the sole for being set in shoe tree 7 so also swing certain angle therewith, and then the position of the test platform 9 is contacted on sole
It sets and changes, such as sole forefoot position is made to attach test platform 9, to be tested for sole forefoot；
In order to realize each position of sole all can specific aim tested and realized and simulate gravity center of human body to sole
Active force (such as sole forefoot, tiptoe, full sole, heel, side of sole medial and lateral etc.), the utility model is also additionally arranged shoes
The components such as last carving fixed frame 6, and by 2 split settings of group seat-joined；It is specific as follows；
The shoe tree fixed frame 6 includes that bar 63,64, first frame body are held in the first and second frame body 61,62 and first and second top
61 are installed in 7 top of shoe tree, and install for the rotating seat 3；The connector 1 is through rotating seat 3 and the first frame body 61 and shoes
Last carving 7 is connected；First top holds 63 one end activity of bar and is secured to the first frame body 61, and other end contact is in 7 upper surface of shoe tree, at this time
Connector 1 to shoe tree 7 apply pulling force, it is described first top hold bar 63 then contact in 7 upper surface of shoe tree, so that 7 energy of shoe tree
Enough firm is installed in rotating seat 3；Second frame body 62 is located at shoe tree 7 followed by side and limit is secured to the first frame body 61,
Second top holds 64 one end activity of bar and is secured to the second frame body 62, and the other end is held in shoe tree 7 followed by side；
It should be noted that bar 63, the second frame body 62 and the second top are held in first frame body 61 and the first top holds the difference of bar 64
Pass through 65 attaching of Sliding Structures；The Sliding Structures 65 include slide 651 and sliding slot 652, and the sliding slot 652 is opened in the respectively
One, on the second frame body 61,62 and be the side that the first, second frame body 61,62 faces shoe tree 7；Each slide 651 is set respectively
In in each sliding slot 652, and bar 63,64 is held with each first, second top respectively and is spirally connected；The slide 651 is the cunning of T-shaped setting
Seat, can also be certainly other shapes, not be discussed in detail herein；In addition, it is flexible that bar 63,64 is held on first, second top
It is movable first, second top hold bar, in this way during being adjusted can according to the actual situation to first, second top hold bar 63,
64 length is adjusted, to cooperate the curved surface radian of shoe tree upper surface, so that the more identical actual test of overall construction design makes
With；
More specifically, the rotating seat 3 is rotary shaft with connector 1, rotated relative to the first frame body 61, described in driving
It holds bar 63 and is butted on 7 upper surface any position of shoe tree in the first top.
More specifically, the group seat-joined 2 includes supporting block 21, Mobile base 22 and limit regulating part 23, the supporting block 21
It is hinged with rotating seat 3；The limit regulating part 23 wears Mobile base 22 and supporting block 21 forms contact cooperation；The Mobile base 22
It is connected by fixing seat 8 with friction testing equipment (not shown), and the Mobile base 22 slides along 21 length direction of supporting block
And 22 contact of Mobile base is limited in supporting block 21 by limit regulating part 23；Rotating seat 3 and first described in the utility model
Frame body 61 relatively rotates, then cooperates Sliding Structures 65 and mobilizable group seat-joined 2, holds so that the top of bar 63 is held on the first top in shoe tree 7
Any position of upper surface center line realizes that the range of test expands, and adjusts the center of force, to adjust different compression positions
Detection；
In actual use, (as shown in Figures 1 to 4) is by existing 7 elder generation of shoe tree and through the company of rotating seat 3 and the first frame body 61
Fitting 1 connects；Bar 63 then is held on the first top for being bolted in slide 651 on the first frame body 61 to act in the upper surface of shoe tree 7
On heart line, holding bar 63 with slide 651 due to the first top is to be threadedly coupled, and slide 651 is placed on the first frame body 61 and face
To in the sliding slot 652 of the side of shoe tree 7, the first top of rotation, which is held, after bar 63 first top hold bar 63 to act on shoe tree 7 and the
One frame body 61 makes shoe tree 7 and the first frame body 61 relatively fixed by bearing force；Likewise, second support also uses similarly
The side of the heel of shoe tree 7 is fixed in mode, so that shoe tree 7, the first, second frame body 61,62 and rotating seat 3 are firm
Link together；Consolidating for different size shoe lasts is adapted to by adjusting upper and lower position of second frame body 62 on the first frame body 61
Determine frame height, and shoe last heel portion is added to adjust by sliding position of the slide on the second frame body 62 in sliding slot
Strong positioning is set, and equally sliding position by the slide on the first frame body 61 in sliding slot is adjusted to shoe last last carving back portion
Reinforce fixed position.
Secondly, carrying out angular adjustment of the rotating seat 3 relative to group seat-joined 2；The fixing seat of the group seat-joined 2 and test equipment
8 connect, above-mentioned to have been described, and are explained in present embodiment with 2 split settings of group seat-joined, the group seat-joined 2 include supporting block 21,
Mobile base 22 and limit regulating part 23, the supporting block 21 are used for hinged with rotating seat 3；The limit regulating part 23 wears movement
Seat 22 forms contact cooperation with supporting block 21；The Mobile base 22 is connected by fixing seat 8 with friction testing equipment, and the movement
Seat 22 slides along 21 length direction of supporting block and passes through limit regulating part 23 and 22 contact of Mobile base is limited in supporting block 21；This
Sample is arranged so that being applied to the test weight transfer of fixing seat 8 to Mobile base 22 and supporting block 21, then impose on the shoe tree 7；Institute
It states and equally passes through articulated shaft 4 hingedly between rotating seat 3 and supporting block 21, and supporting block 21 and rotating seat 3 are become by forcing piece 5
Tightly, to realize angular adjustment of the rotating seat 3 relative to supporting block 21.When needing to adjust shoe tree angle, unclamps connector 1, compels
Tight part 5, turn rotating seat 3 lock forcing piece 5 when rotating to wanted angle again and articulated shaft 4 and group seat-joined 2 are pressed in rotation
It realizes and fixes on seat 3, then screw connector 1, the adjustment of shoe tree angle can be realized, so that being set in the sole on shoe tree 7
Forefoot, tiptoe, full sole, heel or side of sole medial and lateral etc. are able to carry out specific aim test, grind after the completion of to be tested
Hair personnel can improve for each position, to reach the actual use demand of user；
Of course for the process promoted when friction testing more meets human body actual motion, the utility model is by the Center of Pressure of test
Done corresponding adjustment, i.e., slid in supporting block 21 by Mobile base 22, rotating seat 3 relative to the first frame body 61 rotation,
And the slide displacement on 652 realizes Center of Pressure adjustment to slide 651 along the chute, expands the detection range to sole, thus
Realize the frictional behaviour of all different force parts of detection sole.
The utility model provides a kind of clamping mechanism and friction testing equipment for sole friction testing equipment, knot
Structure is simple, design rationally and is easily realized, rotatable engagement between the two is realized by the articulated shaft between group seat-joined and rotating seat,
It after the two rotation adjusts certain angle, then drives group seat-joined and rotating seat contact to limit realization by forcing piece and fixes, with this reality
The shoe tree now adjusted on rotating seat tilts certain angle relative to group seat-joined, such as is adjusted to carry out friction survey at only forefoot
Friction testing or arch of foot position etc. at examination, heel, the fixed sole friction testing of middle shoe tree, originally new compared to the prior art
Type expands test scope, more flexible, and can carry out stress test for some critical positions, to guarantee the shoes product after factory
More it is able to satisfy demand of wearing of user during actual motion；The utility model is held bar using the first frame body, the first top and is cooperated
And it is connected to the connector on rotating seat, bar is held by the first top and is held in shoe tree upper surface, so that shoe tree is fixed more firm,
And test the test point of application simulation actual position of centre of gravity of human body, test effect is more preferably；The utility model is also set up
Bar is held on second frame body and the second top, and the second top is held bar top and held in shoe tree followed by side, and shoe tree is not only made to apply pressure survey
It is not easy beat, good stability when examination, and is suitable for the different shoe tree of clamping all size, model；The utility model is preferably set
Expansion bolt is set as connector, accordingly setting connection hole location is incorporated on shoe tree, realizes and cooperate existing shoe tree and test machine
For sole friction testing, without going customization to replace expensive dedicated custom shoe tree, and disassembling, assembling and replacing is more square in use
Just；The utility model holds bar to the first, second top using Sliding Structures and carries out position adjusting, to adjust consolidating for different model shoe tree
Positioning is set, and the point of application of test can also be equally adjusted (simulation human body practical function is in the point of application of sole)；The utility model
The rotating seat and the first frame body relatively rotate, then cooperate Sliding Structures and mobilizable group seat-joined, so that bar top is held on the first top
Any position in shoe tree upper surface is held, realizes that the range of test expands, and adjust the center of force, to adjust different compression zones
The detection of position.
The preferred embodiment of the utility model has shown and described in above description, as previously described, it should be understood that this is practical new
Type is not limited to forms disclosed herein, and should not be regarded as an exclusion of other examples, and can be used for various other groups
Conjunction, modification and environment, and above-mentioned introduction or the technology of related fields can be passed through within the scope of the inventive concept described herein
Or knowledge is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, then
It all should be in the protection scope of the appended claims for the utility model.
Claims (10)
1. a kind of clamping mechanism for sole friction testing equipment, it is characterised in that: the clamping mechanism includes a connection piece, group
Joint chair, rotating seat, articulated shaft and forcing piece；The connector is arranged in rotating seat and for fixing shoe tree, the group seat-joined with
Rotating seat forms hinged cooperation by articulated shaft, and the forcing piece is spirally connected through articulated shaft with rotating seat, and drive with hingedly
The group seat-joined of axis connection is becoming tight the rotating seat, so that the shoe tree to connect with rotating seat swings certain angle relative to group seat-joined.
2. a kind of clamping mechanism for sole friction testing equipment as described in claim 1, it is characterised in that: further include one
Shoe tree fixed frame, the shoe tree fixed frame include that bar is held on the first frame body and the first top, and first frame body is installed in above shoe tree,
And it is installed for the rotating seat；The connector is connected through rotating seat, the first frame body and with shoe tree；Hold bar one in first top
End activity is secured to the first frame body, and other end contact is in shoe tree upper surface.
3. a kind of clamping mechanism for sole friction testing equipment as claimed in claim 2, it is characterised in that: the shoe tree
Fixed frame further includes that bar is held on the second frame body and the second top, second frame body be located at the side of shoe tree heel and with the first
Body limits attaching；Wherein, second top holds the activity of bar one end and is secured to the second frame body, and the other end is held in shoe tree heel.
4. a kind of clamping mechanism for sole friction testing equipment as claimed in claim 3, it is characterised in that: described first
Frame body and the first top hold bar, the second frame body and the second top and hold bar and pass through Sliding Structures attaching respectively；The Sliding Structures include sliding
Seat and sliding slot, the sliding slot are opened in the first, second frame body respectively；Each slide is respectively placed in each sliding slot, and respectively
Bar is held with each top to be spirally connected.
5. a kind of clamping mechanism for sole friction testing equipment as claimed in claim 4, it is characterised in that: the slide
For the slide of T-shaped setting；The sliding slot is opened in the side that the first, second frame body faces shoe tree.
6. a kind of clamping mechanism for sole friction testing equipment as claimed in claim 4, it is characterised in that: the rotation
Seat is rotated using connector as rotary shaft relative to the first frame body, is butted on any position in shoe tree upper surface to drive first top to hold bar
It sets.
7. a kind of clamping mechanism for sole friction testing equipment as described in claim 1, it is characterised in that: described group connects
Seat includes supporting block, Mobile base and limit regulating part；The supporting block and rotating seat are hinged；The limit regulating part wears movement
Seat simultaneously forms contact cooperation with supporting block；The Mobile base is connected by fixing seat with friction testing equipment, and the Mobile base edge
Supporting block length direction slides and passes through limit regulating part and Mobile base contact is limited in supporting block.
8. a kind of clamping mechanism for sole friction testing equipment as described in claim 1, it is characterised in that: the connection
Part is the hole location swelling cooperation on expansion bolt, with shoe tree.
9. a kind of clamping mechanism for sole friction testing equipment as claimed in claim 3, it is characterised in that: described the
One, bar is held on the first, second top that the second top holds that bar is telescopic movable.
10. a kind of sole friction testing equipment, it is characterised in that: it uses clamping machine as described in any one of claim 1 to 9
Structure fixes shoe tree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096176.8U CN209296508U (en) | 2018-12-13 | 2018-12-13 | A kind of clamping mechanism and friction testing equipment for sole friction testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096176.8U CN209296508U (en) | 2018-12-13 | 2018-12-13 | A kind of clamping mechanism and friction testing equipment for sole friction testing equipment |
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| Publication Number | Publication Date |
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| CN209296508U true CN209296508U (en) | 2019-08-23 |
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| CN201822096176.8U Active CN209296508U (en) | 2018-12-13 | 2018-12-13 | A kind of clamping mechanism and friction testing equipment for sole friction testing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443966A (en) * | 2018-12-13 | 2019-03-08 | 三六度(中国)有限公司 | A kind of clamping mechanism and friction testing equipment for sole friction testing equipment |
| WO2023028068A1 (en) * | 2020-02-26 | 2023-03-02 | University Of Tennessee Research Foundation | Surface performance testing apparatus, systems and methods |
-
2018
- 2018-12-13 CN CN201822096176.8U patent/CN209296508U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443966A (en) * | 2018-12-13 | 2019-03-08 | 三六度(中国)有限公司 | A kind of clamping mechanism and friction testing equipment for sole friction testing equipment |
| CN109443966B (en) * | 2018-12-13 | 2024-07-02 | 三六一度(中国)有限公司 | Clamping mechanism for sole friction test equipment and friction test equipment |
| WO2023028068A1 (en) * | 2020-02-26 | 2023-03-02 | University Of Tennessee Research Foundation | Surface performance testing apparatus, systems and methods |
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