CN106006322A - Elevator traction element - Google Patents
Elevator traction element Download PDFInfo
- Publication number
- CN106006322A CN106006322A CN201610542021.5A CN201610542021A CN106006322A CN 106006322 A CN106006322 A CN 106006322A CN 201610542021 A CN201610542021 A CN 201610542021A CN 106006322 A CN106006322 A CN 106006322A
- Authority
- CN
- China
- Prior art keywords
- guiding rib
- bearing unit
- load bearing
- mating groove
- elevator
- Prior art date
- 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.)
- Pending
Links
- 230000013011 mating Effects 0.000 claims description 39
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000004917 carbon fiber Substances 0.000 claims description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229920002943 EPDM rubber Polymers 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 229920001774 Perfluoroether Polymers 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 239000000725 suspension Substances 0.000 description 7
- 238000005096 rolling process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/062—Belts
-
- 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
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G9/00—Ropes or cables specially adapted for driving, or for being driven by, pulleys or other gearing elements
- F16G9/04—Ropes or cables specially adapted for driving, or for being driven by, pulleys or other gearing elements made of rubber or plastics
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses an elevator traction element. The elevator traction element comprises a traction bearing unit (2) and a rotating wheel (1) matched with the traction bearing unit (2); the traction bearing unit (2) is in a flat belt shape and is provided with a first work face (21) and a second work face (22); the middle position of the first work face (21) in the width direction and the middle position of the second work face (22) in the width direction are each provided with an outwards-protruding guiding rib (5); the guiding ribs (5) extend in the length direction of the traction bearing unit (2); a matching groove (4) matched with the guiding ribs (5) is formed in the outer circumferential face of the rotating wheel (1); and when each guiding rib (5) is arranged in the matching groove (4) in a matched manner, a gap exists between the outer surface of the guiding rib (5) and the inner surface of the matching groove (4). Compared with the prior art, the elevator traction element can effectively avoid that the belt breakage phenomenon happens to the traction bearing unit; and besides, the machining cost is lower, and the elevator traction element is safer and more reliable.
Description
Technical field
The present invention relates to elevator components, a kind of elevator traction component in traction-type elevator.
Background technology
Chinese patent CN101044084B discloses the elevator with the flat belt as load carrier, and the cooperation that the gathering sill on its belt and the guiding rib on belt pulley are constituted, to overcome flat belt sliding and to come off from belt pulley or the defect of premature deterioration.But the technical scheme of this patent there is also some shortcomings: the guiding rib of (1) belt pulley requires that machining accuracy is high, and material cost is high；(2) thickness of belt at the gathering sill of belt is thin, and in running, if the gathering sill of the guiding rib of belt pulley and belt coordinates bad, side is stressed excessive, and Flat belt broken belt or life-span may be caused to be greatly shortened.
Chinese patent CN204138090U discloses the traction suspension line for elevator, the side work surface of this traction suspension line is plane, this plane is provided with some the regulating tanks arranged along its length, opposite side work surface is provided with multiple convex tendon arranged along its length, and this patent solves the noise problem of the superfluous problem of traction and traction suspension line and directive wheel.But still having the drawback that of this patent: loaded down with trivial details with the rope sheave work surface processing of convex tendon one side with suspension line, the quality of fit of the directive wheel matched with it is high, and processing cost is high；Traction suspension line coordinates the best with directive wheel, and it is excessive that pressure is born in the side of traction suspension line, may cause broken belt or make traction suspension line be greatly shortened service life.
Summary of the invention
In view of this, it is an object of the invention to overcome the defect of prior art, it is provided that a kind of traction load bearing unit is difficult to broken belt, and processing cost is relatively low, uses more reliable elevator traction component.
For reaching above-mentioned purpose, the present invention by the following technical solutions:
A kind of elevator traction component, the rotation wheel matched with described traction load bearing unit including traction load bearing unit, described traction load bearing unit is used for carrying and moving car, and the described part-circular periphery rotating wheel is held, described traction load bearing unit is flat belt-like and has the first work surface and the second work surface, it is characterized in that: described first work surface and described second work surface are designed with the guiding rib of an outwardly convex respectively in the centre position of width, described guiding rib extends along the length direction of described traction load bearing unit；Offer a mating groove coordinated with described guiding rib on the described outer circumference surface rotating wheel, when described guiding rib coordinates in described mating groove, between outer surface and the inner surface of described mating groove of described guiding rib, there is gap.
Preferably, described traction load bearing unit includes the inclusion enclave outside carrying tension element and being wrapped in described carrying tension element, described inclusion enclave is the one of which of Polyurethane Thermoplastic Elastomer rubber, nitrile rubber or ethylene propylene diene rubber, and described carrying tension element is steel core or the one of which of carbon fiber or both of which has.Inclusion enclave is that rubber is one-body molded, and the molding of such guiding rib is more prone to, and processing cost is lower.And in traditional structure, belt pulley is metal structure, to make multiple guiding rib thereon, need to carry out high-precision metal machining, cumbersome, processing cost is high.
More preferably, many described carrying tension elements are spaced distribution on the width of described traction load bearing unit, many described carrying tension elements all use steel core or all use carbon fiber, or many described carrying tension elements alternately use the mode of steel core and carbon fiber to carry out being spaced layout.
Preferably, the shape of cross section of described guiding rib is triangle, trapezoidal, semicircle, minor arc arch or the limit number polygon more than 4.
It is highly preferred that the shape of cross section phase complementary fit of the shape of cross section of described mating groove and described guiding rib.Phase complementary fit refers to: when the cross section of guiding rib is triangle, and the shape of cross section of mating groove is also suitable triangle；When the cross section of guiding rib is trapezoidal, the shape of cross section of mating groove is also suitable trapezoidal；The like.
Preferably, the inner surface of described mating groove has the protective layer of reduction friction and wear.It is highly preferred that described protective layer is polytetrafluoroethylene floor, perfluoroalkoxy basic unit, ceramic layer or the coat of metal.
Wherein, on described first work surface, the surface area of described guiding rib is less than the 30% of the surface area of described first work surface；On described second work surface, the surface area of described guiding rib is less than the 30% of the surface area of described second work surface.Using such design, while guaranteeing to avoid traction load bearing unit to break away, the processing capacity making traction load bearing unit and rotation wheel is less, reduces processing cost.Preferably, the height of projection of guiding rib is 0.1-3mm.
Wherein, guiding rib embeds and coordinates when mating groove middle, the most all has gap d between both sides and the side of mating groove of guiding rib, and gap d is the 1%-10% of the A/F D of mating groove.
Owing to using technique scheme, the present invention reaches following effect:
(1) the traction load bearing unit both sides work surface of bandlet shape is designed with the guiding rib of projection respectively, rotates and arranges the mating groove coordinated with guiding rib on the outer peripheral face of wheel, it is possible to effectively prevents traction load bearing unit from breakking away；
(2) when guiding rib coordinates with mating groove, having gap, use the mode of this matched in clearance, it is possible to decrease machining accuracy between outer surface and the inner surface of mating groove of guiding rib, the processing cost rotating wheel is lower；
(3) by the guide effect of mating groove, traction load bearing unit side stress can be avoided excessive, greatly reduce the broken belt risk of traction load bearing unit, extend the service life of traction load bearing unit.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the elevator traction component of embodiment one.
Fig. 2 is the schematic diagram of the elevator traction component of embodiment two.
Fig. 3 is the schematic diagram of the elevator traction component of embodiment three.
Fig. 4 is the schematic diagram of the elevator traction component of embodiment four.
Fig. 5 is the schematic diagram of the elevator traction component of embodiment five.
Fig. 6 is the schematic diagram that embodiment six uses a kind of elevator of elevator traction component of the present invention.
Fig. 7 is the schematic diagram that embodiment seven uses the another kind of elevator of elevator traction component of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.
Embodiment one
Refer to Fig. 1, a kind of elevator traction component, the rotation wheel 1 matched with traction load bearing unit 2 including traction load bearing unit 2, traction load bearing unit 2 is used for carrying and moving car, and the part-circular periphery rotating wheel 1 is held, traction load bearing unit 2 is for flat belt-like and has the first work surface 21 and the second work surface 22, being respectively provided with a guiding rib 5 protruding traction load bearing unit 2 on the both sides of the first work surface 21 and the second work surface 22, guiding rib 5 extends along the length direction of traction load bearing unit 2.Rotating and offer the mating groove 4 that guiding rib 5 coordinates on the rolling surface of wheel 1, mating groove 4 extends along the circumferencial direction of the rolling surface rotating wheel 1.When guiding rib 5 mating groove 4 coordinates, between outer surface and the inner surface of mating groove 4 of guiding rib 5, there is gap.In the present embodiment, the shape of the guiding rib 5 of two work surfaces up and down of traction load bearing unit 2 is identical, and consistent size, in being arranged symmetrically with up and down.
In the present embodiment, traction load bearing unit 2 includes the inclusion enclave 6 outside carrying tension element 7 and being wrapped in carrying tension element 7, inclusion enclave 6 is Polyurethane Thermoplastic Elastomer rubber TPU, nitrile rubber or the one of which of ethylene propylene diene rubber EPDM, and carrying tension element 7 is steel core or the one of which of carbon fiber or both of which has.Many carrying tension elements 7 are spaced distribution on the width of described traction load bearing unit 2.Many carrying tension elements 7 can all use steel core or all use carbon fiber.Or many carrying tension elements 7 alternately use the mode of steel core and carbon fiber to carry out being spaced layout, i.e. it is arranged in order piece carbon fiber of a steel core, then rearranges a steel core, subsequently a piece carbon fiber of arrangement, by that analogy.
In the present embodiment, the shape of cross section of guiding rib 5 is trapezoidal, specially isosceles trapezoid, and height of projection is 0.1-3mm.The shape of cross section of mating groove 4 and the shape of cross section phase complementary fit of guiding rib 5, be also trapezoidal, but the shape of cross section size of mating groove 4 be more bigger than the shape of cross section protruding guiding rib 5.So, after just making guiding rib 5 embed mating groove 4, there is gap, i.e. gap between the two and include axial gap and radial clearance.Guiding rib 5 embeds and coordinates when mating groove 4 middle, the most all has gap d (i.e. axial gap) between both sides and the side of mating groove of guiding rib 5, and gap d is the 1%-10% of the A/F D of mating groove 4.The mating groove 4 that the guiding rib 5 that traction load bearing unit 2 protrudes above is recessed on rotation wheel 1 does not contacts, only when traction load bearing unit 2 lateral shift, guiding rib 5 and mating groove 4 are in a side contacts, play the guiding role, thus avoid discontinuity cause protrude guiding rib 5 abrasion thus affect the life-span of whole traction load bearing unit 2.
In the present embodiment, on the first work surface 21, the surface area of guiding rib 5 is less than the 30% of the surface area of the first work surface 21；On the second work surface 22, the surface area of guiding rib 5 is less than the 30% of the surface area of the second work surface 22.Thus it is ensured that most of area that work surface is more than 70% is for contact with the rolling surface rotating wheel 1, the traction load bearing unit 2 of bandlet shape is made to take turns 1 force dispersion when coordinating with rotation, it is to avoid traction load bearing unit 2 local pressure is excessive and easy broken belt, it is ensured that safe and reliable.
In the present embodiment, as it is shown in figure 1, have the protective layer 41 reducing friction and wear on the inner surface of mating groove 4.Preferably, protective layer 41 can be polytetrafluoroethylene floor, perfluoroalkoxy basic unit, ceramic layer or the one of which of the coat of metal.
Embodiment two
Referring to Fig. 2, the present embodiment is with the difference of embodiment one: the shape of cross section of guiding rib 5 is triangle, and the shape of cross section of mating groove 4 is triangle the most accordingly.
Embodiment three
Referring to Fig. 3, the present embodiment is with the difference of embodiment one: the shape of cross section of guiding rib 5 is semicircle, and the shape of cross section of mating groove 4 is semicircle the most accordingly.
Embodiment four
Referring to Fig. 4, the present embodiment is with the difference of embodiment one: the shape of cross section of guiding rib 5 is minor arc arch, and the shape of cross section of mating groove 4 is minor arc arch the most accordingly.
Embodiment five
Referring to Fig. 5, the present embodiment is with the difference of embodiment one: the shape of cross section of guiding rib 5 is pentagon, and this pentagon is really orthohexagonal half；The shape of cross section of mating groove 4 is also the pentagon relative to shape.
Embodiment six
As shown in Figure 6, a kind of elevator of the present embodiment, including car 3, counterweight 60, and the arbitrary a kind of elevator traction component of embodiment one to five, rotating wheel 1 is two, two rotate wheel 1 all same work surfaces with same traction load bearing unit 2 and match and contact, two rotate the traction sheave that wheel higher one of 1 camber is traction machine, another is directive wheel, one end of traction load bearing unit 2 is connected on car 3, and the other end upwardly extends, and walks around successively from top to downwardly extend after directive wheel and traction sheave and is connected to counterweight 6.Now traction load bearing unit 2 only uses one of them work surface.
Embodiment seven
As shown in Figure 7, a kind of elevator of the present embodiment, including car 3, counterweight 6, and any one elevator traction component of embodiment one to five, rotating wheel 1 be multiple, and multiple wheels 1 of rotating rotating a portion quantity in wheel 1 match with the first work surface 21 of same traction load bearing unit 2 and contacts, and multiple rotation is taken turns other rotation in 1 and taken turns 1 and match with the second work surface 22 of same traction load bearing unit 2 and contact.Specifically, this rotation wheel 1 includes traction sheave, two car diversion sheaves and counterweight diversion sheave, one end of traction load bearing unit 2 is fixed on above hoistway, after the other end downwardly extends and walks around from below two car diversion sheaves, upwardly extend, downwardly extend after traction sheave is walked around in top again, upwardly extend after overweight diversion sheave the most from below and be fixed on above hoistway.Car diversion sheave can use crosshead sheave can also use sedan-chair return pulley.
Above-described embodiment is only for technology design and the feature of the explanation present invention; its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this; can not limit the scope of the invention with this; all equivalence changes made according to spirit of the invention or modification, all should contain within protection scope of the present invention.
Claims (10)
1. an elevator traction component, including traction load bearing unit (2), rotation wheel (1) matched with described traction load bearing unit (2), described traction load bearing unit (2) is used for carrying and moving car, and the described part-circular periphery rotating wheel (1) is held, described traction load bearing unit (2) is flat belt-like and has the first work surface (21) and the second work surface (22), it is characterized in that: described first work surface (21) and described second work surface (22) are designed with the guiding rib (5) of an outwardly convex respectively in the centre position of width, described guiding rib (5) extends along the length direction of described traction load bearing unit (2)；A mating groove (4) coordinated with described guiding rib (5) is offered on the described outer circumference surface rotating wheel (1), when described guiding rib (5) coordinates in described mating groove (4), between outer surface and the inner surface of described mating groove (4) of described guiding rib (5), there is gap.
A kind of elevator traction component the most according to claim 1, it is characterized in that: described traction load bearing unit includes the inclusion enclave (6) outside carrying tension element (7) and being wrapped in described carrying tension element (7), described inclusion enclave (6) is the one of which of Polyurethane Thermoplastic Elastomer rubber, nitrile rubber or ethylene propylene diene rubber, and described carrying tension element is steel core or the one of which of carbon fiber or both of which has.
A kind of elevator traction component the most according to claim 2, it is characterized in that: many described carrying tension elements (7) are spaced distribution on the width of described traction load bearing unit (2), many described carrying tension elements (7) all use steel core or all use carbon fiber, or many described carrying tension elements (7) alternately use the mode of steel core and carbon fiber to carry out being spaced layout.
A kind of elevator traction component the most according to claim 1, it is characterised in that: the shape of cross section of described guiding rib (5) is triangle, trapezoidal, semicircle, minor arc arch or the limit number polygon more than 4.
A kind of elevator traction component the most according to claim 4, it is characterised in that: the shape of cross section phase complementary fit of the shape of cross section of described mating groove (4) and described guiding rib (5).
A kind of elevator dragging hanging apparatus, it is characterised in that: the inner surface of described mating groove (4) has the protective layer (41) reducing friction and wear.
A kind of elevator traction component the most according to claim 6, it is characterised in that: described protective layer (41) is polytetrafluoroethylene floor, perfluoroalkoxy basic unit, ceramic layer or the coat of metal.
A kind of elevator traction component the most according to claim 1, it is characterised in that: on described first work surface (21), the surface area of described guiding rib (5) is less than the 30% of the surface area of described first work surface (21)；On described second work surface (22), the surface area of described guiding rib (5) is less than the 30% of the surface area of described second work surface (22).
A kind of elevator traction component the most according to claim 1, it is characterized in that: described guiding rib (5) embeds and coordinates when described mating groove (4) middle, the most all having gap d between both sides and the side of described mating groove (4) of described guiding rib (5), described gap d is the 1%-10% of the A/F D of described mating groove (4).
A kind of elevator traction component the most according to claim 1, it is characterised in that: the height of projection of described guiding rib (5) is 0.1-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542021.5A CN106006322A (en) | 2016-07-12 | 2016-07-12 | Elevator traction element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542021.5A CN106006322A (en) | 2016-07-12 | 2016-07-12 | Elevator traction element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106006322A true CN106006322A (en) | 2016-10-12 |
Family
ID=57108725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542021.5A Pending CN106006322A (en) | 2016-07-12 | 2016-07-12 | Elevator traction element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106006322A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730412A (en) * | 2017-04-20 | 2018-11-02 | 奥的斯电梯公司 | The resulting tension component of fire resisting |
| CN108726322A (en) * | 2017-04-20 | 2018-11-02 | 奥的斯电梯公司 | Tension member for elevator system belt |
| CN110615334A (en) * | 2018-06-18 | 2019-12-27 | 奥的斯电梯公司 | Elevator system belt |
| EP4389670A1 (en) * | 2022-12-22 | 2024-06-26 | Wittur Holding GmbH | Suspension means for traction sheave elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101044084A (en) * | 2004-10-18 | 2007-09-26 | 因温特奥股份公司 | Lift comprising a flat belt as a tractive element |
| CN101062742A (en) * | 2001-11-23 | 2007-10-31 | 因温特奥股份公司 | Elevator system |
| CN201228189Y (en) * | 2008-05-01 | 2009-04-29 | 宁波欣达电梯配件厂 | Elevator dragging hanging apparatus |
| WO2013091168A1 (en) * | 2011-12-20 | 2013-06-27 | Nv Bekaert Sa | An assembly for lifting and a harbour crane comprising the assembly |
| CN105347140A (en) * | 2010-04-22 | 2016-02-24 | 蒂森克虏伯电梯股份有限公司 | Elevator suspension and transmission strip |
| CN205855733U (en) * | 2016-07-12 | 2017-01-04 | 江南嘉捷电梯股份有限公司 | A kind of elevator traction component |
-
2016
- 2016-07-12 CN CN201610542021.5A patent/CN106006322A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101062742A (en) * | 2001-11-23 | 2007-10-31 | 因温特奥股份公司 | Elevator system |
| CN101044084A (en) * | 2004-10-18 | 2007-09-26 | 因温特奥股份公司 | Lift comprising a flat belt as a tractive element |
| CN201228189Y (en) * | 2008-05-01 | 2009-04-29 | 宁波欣达电梯配件厂 | Elevator dragging hanging apparatus |
| CN105347140A (en) * | 2010-04-22 | 2016-02-24 | 蒂森克虏伯电梯股份有限公司 | Elevator suspension and transmission strip |
| WO2013091168A1 (en) * | 2011-12-20 | 2013-06-27 | Nv Bekaert Sa | An assembly for lifting and a harbour crane comprising the assembly |
| CN205855733U (en) * | 2016-07-12 | 2017-01-04 | 江南嘉捷电梯股份有限公司 | A kind of elevator traction component |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108730412A (en) * | 2017-04-20 | 2018-11-02 | 奥的斯电梯公司 | The resulting tension component of fire resisting |
| CN108726322A (en) * | 2017-04-20 | 2018-11-02 | 奥的斯电梯公司 | Tension member for elevator system belt |
| CN110615334A (en) * | 2018-06-18 | 2019-12-27 | 奥的斯电梯公司 | Elevator system belt |
| EP3594163A1 (en) * | 2018-06-18 | 2020-01-15 | Otis Elevator Company | Elevator system belt |
| US11970368B2 (en) | 2018-06-18 | 2024-04-30 | Otis Elevator Company | Elevator system belt |
| EP4389670A1 (en) * | 2022-12-22 | 2024-06-26 | Wittur Holding GmbH | Suspension means for traction sheave elevator |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180426 Address after: 215122 Weixin road 28, Suzhou Industrial Park, Jiangsu Province Applicant after: Jiangnan Jiajie Lift Co., Ltd., Jiangsu Address before: 215122 Weixin road 28, Suzhou Industrial Park, Jiangsu Province Applicant before: SJEC Corporation |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |