• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Modular pulley comprising at least one fixing rope (1), a sheave (2) configured for the deflection of a load rope (5); a body (3) of modular configuration; and an interconnection piece (4) engageable to the body (3); wherein said modular pulley and wherein the body (3) is a connector between sheaves (2) and/or external accessories (23) through at least one interconnection piece (4); and where the fixing rope (1) is in direct contact with the sheave (2), which is housed inside the body (3) and rotates freely with respect to said body (3), in such a way that a force in the load rope (5) is directly transmissible to the fixing rope (1) exclusively through the sheave (2) without the body (3) making any force transmission. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2599393A1
    申请号:ES201631007
    申请日:2016-07-22
    公开日:2017-02-01
    发明作者:Nicolás Alejandro GOLDENBERG
    申请人:Nicolás Alejandro GOLDENBERG；
    IPC主号:
    专利说明:

    The object of the present invention is a modular pulley for use.nautical, sports and industrial that results in an alternativeefficient to the use of pulleys for the demultiplication of forces.For this, the present invention provides the user withpossibility of generating pulley combinations to generate theDesmultiplication amount desired for a specific effort. STATE OF THE TECHNIQUE
    Currently they are marketed as "closed" products, it isthat is, pulleys that the user can acquire with one, two, three orseveral bearings, but is unable to remove or addbearings for the specific use you wish to obtain.
    The purpose of any pulley is to deflect, usuallyby a roller, a rope. Using several pulleysrollers and their combinations is achieved to multiply the loadallowing the reduction of effort made by the user.
    There are several types of pulleys on the market, but you canDivide into two groups: with bearings and without bearings. Thebearing pulleys comprise spherical bearings orcylindrical between the shaft and the sheave to reduce frictionAmong the materials.
    On the other hand, pulleys without bearings can be divided intotwo subgroups:
    a) The first uses a metal shaft and a sheave todivert the rope or cable and its structure is providedby the connection between the shaft ends and its point ofanchor, and are usually made of metal or,


    formerly in wood.
    b) The second subgroup does not use an axis, but the diversion
    of the rope is mechanically provided by a
    fixed piece that, at the same time, acts as a structure. In
    how old these systems were made of wood while
    currently low metal rings are used
    friction (in nautical they are known as << low friction
    rings >> made of aluminum) to provide the diversion of the
    rope.
    WO2015001028 describes a pulley that allows deflectinga rope through an annular groove of the pulley. ThisPulley, compared to bearing pulleys does not requiremaintenance. This results in lightness, low cost and highperformance due to its low friction. However, neither thisdocument or any other product described in the state of thetechnique solves the technical problem posed by thisinvention.
    More specifically, the pulley described in this invention ispossible to implement it with or without bearings, since in noneof them you can assemble and disassemble components to obtain, fromSimple and secure way, the desired multiplier. Thelack of a specific design for this purpose generates theneed to completely change the system ofdemultiplication generating costs and waste of time. DESCRIPTION OF THE INVENTION
    It is an object of the invention a modular pulley for nautical use,sports and industrial that takes advantage of the progress made in thestring field, which provide resistancecomparable or superior to metals, to provide aflexible structure This allows, first of all, to bepossible to transfer efforts avoiding the use ofpulley body as a means of load transfer or


    structural component This fact facilitates, on the other hand, thatthe user assemble and disassemble components according to the needs ofloading, demultiplication and use, adjusting the performance ofthe pulley to work to be done. Finally, the modular pulley ofthe invention allows the replacement of any of itscomponents, prolonging their useful life.
    More specifically, the present invention describes a pulleymodular comprising at least one fixing rope, asheave configured for diverting a load line; amodular configuration body; and an interconnection pieceattachable to the body; where said modular pulley is characterizedbecause the body is a connector between rollers and / or accessoriesexternal through at least one interconnection piece; Ywhere the fixing rope is in direct contact with theroldana, which is housed inside the body and rotatesfreely with respect to said body, such that a forceon the load rope is directly transmissible to the ropeof fixation exclusively through the sheave without thebody perform no force transmission.
    Thus, the present invention presents a novel concept inThe technical field of pulleys, allowing the userhave the components according to the objective and be able to do sosimple and simple way without using special tools, sincethat you only need to modularly couple the different parts.This is possible because its structure does not depend on thepulley body, this body being specially designedto allow the coupling of parts and accessories.
    Throughout the description and the claims the word"understand" and its variants are not intended to exclude othertechnical characteristics, additives, components or steps. Forexperts in the field, other objects, advantages andfeatures of the invention will be apparent in part from thedescription and in part of the practice of the invention. The


    following examples and drawings are provided by way ofillustration, and are not intended to restrict this
    invention. Further,thePresentinventionit coversallthe
    possible combinationsfromrealizationsprivate individualsY
    preferred here indicated. BRIEF DESCRIPTION OF THE FIGURES
    Then a series is described very brieflyof drawings that help to better understand the invention and thatexpressly relate to an embodiment of said inventionwhich is presented as a non-limiting example of this.
    FIG1. It shows a first embodiment of the modular pulleyobject of the present invention.
    FIG2. It shows a second embodiment of the modular pulley,object of the present invention, same as in the figure1 except in the presence of an interconnection piecedistinct in the pulley body.
    FIG3. It shows a front view of the pulley body in thepractical embodiment shown in figure 1.FIG4. It shows a front view of the pulley body of thepractical embodiment illustrated in Figure 2.FIG5. Shows a section view of the pulley body ofFigure 3FIG6. Shows a schematic section view of the bodyof the pulley of a roller with bearings.
    FIG7. It shows a schematic view of the pulley of theinvention in any of its embodiments, but withoutshow the body (3).
    FIG8. Shows a schematic section view of the bodyof the pulley of a roller with bearings in oneFirst practical realization.
    FIG9. Shows a schematic section view of the bodyof the pulley of a roller without bearings.FIG10 Shows a schematic section view of the body


    of the pulley of a roller with bearings in oneSecond practical realization.
    FIG11. Shows a top view (FIG.11A), bottom(FIG. 11B), lateral (FIG. 11C) and section (FIG. 11D) of arealization of the body (3) of the object modular pulleyof the present invention.
    FIG12. Shows a top view (FIG.12A), bottom(FIG. 12B), side (FIG. 12C) and section (FIG. 12D) of aalternative embodiment of the pulley body (3)Modular object of the present invention.
    FIG13 Shows a view with the superposition of the bodies
    (3) shown in figures 11 and 12.FIG14 Shows an embodiment of the interconnection piece
    (4) of the modular pulley object of the invention.
    FIG15 Shows an alternative embodiment of the workpieceinterconnection (4) of the modular pulley object of theinvention.
    FIG16 Shows an alternative embodiment of the piece ofinterconnection (4) of the modular pulley object of theinvention.
    FIG17. Shows the assembly of a pulley with two rollers (2) withoutbearings, in isometric views, mounted and operated.
    FIG18 Shows a second embodiment of a two pulleyRollers (2) without bearings, in isometric views,mounted and exploited.
    FIG19 Shows an embodiment of the modular pulley object ofthe invention, which includes a roller sheave with bearingsin different views.
    FIG20 Shows an alternative embodiment of the modular pulleyobject of the invention, which includes a rolleralternative with bearings in different views.
    FIG21 Shows an embodiment of a pulley attachmentModular object of the invention.FIG22. Shows an alternative embodiment of an accessoryThe modular pulley object of the invention.FIG23. Shows an alternative embodiment of an accessory


    The modular pulley object of the invention.FIG24. Shows an additional embodiment of an accessorymodular pulley protector object of the invention.FIG25 Shows another additional embodiment of an accessory5 modular pulley protector object of the invention.FIG26. Shows another additional embodiment of an accessorymodular pulley protector object of the invention.FIG27. Shows an embodiment of a protective accessory of themodular pulley object of the invention.
    10 FIG28. Shows an embodiment with two pulley connectionmodular as those recommended hereininvention with the particularity that both havedifferent diametersFIG29. Shows a second embodiment of the assembly of the
    15 figure 28.FIG30 Shows an embodiment of the modular pulley object ofthe invention with extension of the use of the pulley forspecific purposes 20 PREFERRED EMBODIMENT OF THE INVENTION
    As can be seen in the attached figures, and particularlyin figures 1 and 2, the modular pulley object of the presentinvention comprises: a fixing rope (1); a roller25 (2); a pulley body (3) and an interconnection piece (4),which may have different practical realizations materializedin figures 14 to 16. The fixing rope (1) can be a
    or several, depending on the application. The fixing rope (1)it is the element that provides the transfer of effort30 from the sheave (2) to a fixing point where it isanchored the fixing rope (1). Finally, the sheave (2)diverts to a load rope (5). The sheave (2) can havebearings or not, according to the two practical embodiments of thethat the invention consists of as will be detailed later in
    35 this specification.


    The pulley body (3) is configured primarily forprovide a means of connection between parties to enableadding rollers (2) and accessories through the pieces ofinterconnection (4). The body (3) does not contribute as a componentof transfer of efforts in the pulley. The body (3) isillustrated in detail in figures 3 and 4 in their embodimentspractices. Finally, the interconnection piece (4) serves tocustomize the pulley according to the use requirement, allowingadd or remove components, especially rollers (2) and theirfixing ropes (1).
    The present invention is based on the possibility that theuser can customize the pulley by adding orsubtraction of parts, especially sheaves (2) in the pulley.This is possible thanks to the removal of the pulley body (3)as a structural component This is achieved by making thefixing rope (1) is in direct contact with the sheave(2), that is, the rope to be diverted (5) transmit the effortdirectly to the sheave (2) which, in turn, transmits theeffort to the fixing rope (1).
    Modular pulley with roller without bearings
    The modular pulley is shown in detail in Figures 3 and 4object of the invention in which a roller (2) is used withoutbearings More specifically, the following are illustratedelements:
    1 - Fixing rope.2 - Roldana3 - Body4 - Interconnection part5 - Rope to divert6 - First connector for interconnection piece or accessory7 - Second connector for interconnection piece or accessory8 - Through holes for clamping rope


    9 - Recess to extend the pulley / additional fixation10 - Connection rope11 - Fastening rope for fixing rope12 - Recess for fixing rope13 - Top part male type connectors (4)14 - Male part central connectors (4)19 - Top part male type connectors (4)20 - Top part female type connectors (4)21 - Female part central connectors (4)22 -Part connectors type male part (4)
    A schematic section of the pulley is shown in Figure 5of figure 3, that is, with the sheave (2) without bearings. InIn this case, the fixing rope (1) and the sheave (2) musthave a low friction, since there are no bearings that allowthe movement. This is possible thanks to the use of ropes from thetype UHMWPE, HMWPE or DYNEEMA® as fixing ropes (1), thewhich provide a low coefficient of friction and withstandlarge loads The pulley can have one or several ropesfixing (1) according to the load requirement.
    As can be seen in Figure 5, where apulley section, the body (3) connects to each other in thecenter of the roller (2) and at the top. In the connectioncentral the body (3) has a concave shape that serves as a guideto contain the sheave (2), such that said sheave (2)rotate freely with respect to the body (3). On top,the body (3) acts as a closure to contain the rope todivert (5) preventing it from leaving the sheave (2).
    Rollers (2) must be low friction, generallyknown as << low friction rings >> and are based on their geometryand material to allow low friction. In figure 9 itYou can see a section where you can clearly see theconcave and convex sides (22a, 22b). The concave side (22a) housesthe rope to be diverted (5) allowing it to be on track and


    work transversely to the fixing rope (1). Thefixing rope (1) passes transversely to the sheave
    (2) and use the convex side (22b) as the turning radius,thus reducing its friction.
    The material of the sheave (2) may vary depending on the object of thepulley. The material must provide sufficient strength and lowfriction. Preferably aluminum, steel will be usedstainless, titanium and plastics of high hardness and resistance. Thegeneral geometry of the sheave (2) does not change, always havingone concave side, another convex and ring shape. However,its dimensions are determined by the load to be supported and / orthe diameter of the rope to be diverted (5).
    The main purpose of the body (3) is to allow the coupling ofpieces together. To achieve this the body (3) comprises meansto align the sheaves (2) and the fixing rope (1).
    In figure 3 the body (3) is composed of two partsidentical, they connect to each other at two points oftransverse way to the sheave (2) housing it inside andallowing the passage of the fixing rope (1) through therecess (12) of the body (3). The body (3) contains a recess
    (12) to allow the passage of the fixing rope (1) thatallow direct contact with the sheave (2) sotransmit the effort to the fixation point. In turn, it hasinsertion points in the central part (7) and in the parttop (6) these are useful for connecting the pieceinterconnection (4) (shown in more detail in theFigure 14) and / or for the incorporation of other accessories.
    The body (3) has a second recess (9) to extend orprovide a second fixing point at the bottom. Thissecond recess (9) presents the same objective and characteristicsthat the first recess (12) and allows the passage of a ropeadditional (10) that passes transversely to the sheave (2) and


    being in direct contact with the roller (2) transmits theeffort to this component, and not to the body (3), which in turntransmits to the fixing rope (1).
    The body (3) has two holes at the topinterns (8) positioned symmetrically on the sides of thefixing rope (1). These two through holes (8)allow a holding rope (11), placed socross over the fixing rope (1), restrict thelateral movement of the fixing rope (1) with respect to thebody (3). In this way it is possible to align the body (3), thefixing rope (1), the sheave (2) and the possible point offixation or extension (9) to the efforts generated by thedeviated rope (5). The holding rope (11) can bereplaced by an element of other material and resistance thatprovide the same end
    The embodiments shown in Figures 3 and 4 correspondwith the same type of pulley, except that in figure 3 it presentsthe interconnection part (4) corresponding to that shownin figure 14, while figure 4 shows the piece ofinterconnection (4) shown in figure 15.
    The body components (3) can be observed in detail inFigures 11 and 12. The geometry of these varies in view.superior but this does not present functional changes as well asyou can see in figure 13 where the pieces areoverlapping The connections can also be observed (15, 16,17, 18) of the bodies: the body (3) has two male connectors
    (15) and (18) and two female (16) and (17). These are foundlocated two at the top (15) and (16) and two (17,18) inthe center of the body (3).
    The connectors (15, 16, 17, 18) have the function of preventingdisplacement and rotation of bodies (3) and in turn providea means for them to stay together. This last


    it can be obtained by a fixation by pressure between theconnectors (15, 16, 17, 18) or by using a mediumMechanical like a screw or rope.
    The means of connection between the bodies (3) should facilitateassembling and disassembling the pulley simply and with the leastnumber of possible tools. The body material (3)may vary depending on the object of the pulley; despite not being astructural component its use and size may requiredifferent materials to avoid wear or prolong its lifeUseful. Plastics of adequate hardness and strength will be used,preferably those that withstand the bad weatherclimatic, aluminum, steel, stainless steel, and titanium.
    The interconnection piece (4) has the function of extending theroller capacity (2) and fixing ropes (1) on the pulley.Figures 14 to 16 show three solutions for it.interconnection piece.
    The interconnection part (4) in its embodiment shown in theFigure 14 shows a piece with four male connectors (13) and
    (14) that connect to the body (3) through the pairs ofconnectors (6) and (7) visible in figures 3 and 4 andpreviously described. The connection can be by pressure orby a mechanical means such as a rope or screw.
    The interconnection pieces (4) observed in 15 and 16They are identical in their functional components. Its onlydifference is the largest body that corresponds to theFigure 15. This interconnection piece (4) incorporates a portionfrom the body (3) to the interconnection piece (4) thus resultinga smaller quantity of pieces for the assembly of the pulley. ThisIt has two upper connectors, one male (19) and one female (20)and in the center one male (22) and another female (21). This pieceIt contains the same characteristics as the inner part of thebody (3) that allows to accommodate the sheave (2), allowing the


    passage of the fixing rope (1) and the connecting rope (10).The connection can be by pressure or by mechanical meansLike a rope or screw.
    Figure 17 shows an example of the assembly andExploded view of a three-component pulley with the piece ofinterconnection (4) detailed in figure 14. Also inFigure 18 details the assembly of a pulley with the piece ofinterconnection (4) detailed in figure 15. This schemedoes not differ from a pulley armed with the interconnection piece (4)detailed in figure 16.
    The material of the interconnection piece (4) may vary according tothe object of the pulley; despite not being a componentstructural use and size may require differentMaterials to prevent wear or prolong its useful life. Bethey will use plastics of hardness and adequate resistancepreferably those that withstand the bad weatherclimatic, aluminum, steel, stainless steel, and titanium.
    Modular pulley with roller bearing
    Using bearings does not contribute to a change in the purpose ofthe invention or its structure, its only differences arefound in the sheave (2) and in the dimensions of the body (3)since the roller (2) with bearings has a larger diameter thana roller without bearings.
    Having a sheave (2) with bearings the fixing rope
    (1) its composition may vary and not be of materials such asUHMWPE, HMWPE or DYNEEMA®. This is because alow level of friction between parts since friction isdecreased by the bearings in the sheave (2). Its function nodiffers from the case without bearings.
    Figures 8 and 9 show two types of sheaves (2) with


    bearings used in this invention; both must be ofclosed type, that is to say the bearings (21) are containedin the sheave (2).
    The sheave (2) exemplified in Figure 8 is a bearingClassic with a central recess (21a) for fixing. In thiscase using the fixing rope (1). On its outer sideIt has a concavity (21b) to accommodate the rope to be diverted (5).
    The sheave in figure 10 differs from the previous one only inits central recess (21c), which has a transversal shapeconvex to facilitate assembly and reduce fatigue in thefixing rope (1). This last sheave (2) is aSpecific innovation of this invention.
    As in the case of the sheave (2) without bearings, theSheave material (2) may vary depending on the purpose of thepulley. The material must provide sufficient strength and lowfriction, preferably aluminum, steel will be usedstainless, titanium and plastics of high hardness and resistance.
    As can be seen in figures 19 and 20 both the body
    (3) how the interconnection piece (4) presents the sameFeatures that in the pulley without bearings. In the case ofuse a roller (2) like the one exemplified in the figure19, the body (3) must not have a concave internal side, as ifhas the body (3) when using a sheave (2) without bearings,since it must accompany the internal geometry of the sheave (2);as exemplified in the section in the same figure.
    In the case of the sheave (2) represented in Figure 20, thebody (3) completely resembles that of the sheave (2) withoutbearings since the sheave (2) has the same geometryconvex in its center.
    Additionally, and especially considering the needs of the


    nautical and sports market, this invention contemplates thepossibility of adding accessories through the points ofconnection (6) and (7) of the body (3). Among these additions arefind, enable the assembly of pulleys with bearings (2)of different diameters through interconnection pieces (4).
    The accessories to identify (23) the pulley are shown in theFigures 21 to 23, made of various plastic materialcolors and with the possibility of having additives forLight up in the dark.
    Figures 24 to 26 show different embodiments of aprotective accessories (24,25,33) comprising connectorsupper type male (13) and, where appropriate, central connectorsmale type (14) to sympathize with the pulley bodyModular object of the invention. In the cited figures,show views in plan, elevation, profile and perspective of eachone of the protectors (24,25,33).
    Figure 27 shows the use of a special protector forsports applications, which has a fixing bolt(28), a plurality of holes (29) for angle changeof the fixing rope (5); an accessory to mount aclamping system (30) and clamping system typejaw (31), as well as a channel (32) to allow rotationand / or change of angle of the rope (5).
    Figures 28 and 29 show the connection between pulleys ofdifferent diameters with the elements already described in theprevious figures.
    Finally, and using the same concept of invention,by using special bodies (27) designed withspecific purposes are allowed to extend the use of the pulley tospecific purposes As shown in figure 30 this bodyallows through the same concept of transfer of efforts


    the use of the same sheaves (2) and fixing rope
    (1) to generate a quick opening pulley. This body (3)It does not have central connectors like the detailed pulleysabove mind as it should allow the rotation of your
    5 components to open and close the system allowing aQuick exchange of ropes to divert (5).
    The body has no other function than to keep the rope to deflect
    (5) inside the roller guide (2). To provide a closure
    10 and quick opening requires a central screw (26) thatIt acts as an axis of rotation.
    5
    10
    fifteen
    twenty
    25
    30
    35

    权利要求:
    Claims (15)
    [1]
    1.-A modular pulley comprising at least one rope offixing (1), a sheave (2) configured for the diversion of aloading rope (5); a body (3) of modular configuration; Yan interconnection piece (4) attachable to the body (3); wheresaid modular pulley is characterized in that the body (3) is aconnector between rollers (2) and / or external accessories (23) athrough at least one interconnection piece (4); and where thefixing rope (1) is in direct contact with the sheave(2), which is housed inside the body (3) and rotatesfreely with respect to said body (3), such that aforce on the load rope (5) is directly transmissible tothe fixing rope (1) exclusively through the sheave
    (2)  without the body (3) making any force transmission.
    [2]
    2.-The modular pulley of claim 1 wherein the sheave (2)It has no bearings and the fixing rope (1) and the sheave
    (2)  It has a low coefficient of friction.
    [3]
    3.-The modular pulley of claim 2 wherein the body (3)it comprises two identical parts that can be coupled togethersuperior and for its central part; and where in the central coupling,the body (3) comprises a concave shape that acts as a guide forcontain the sheave (2) and allow its free rotation; Ywhere in the upper coupling the body (3) is configured tocontain the rope to be diverted (5) preventing it from leaving thesheave (2).
    [4]
    4.-The modular pulley of claim 3 wherein the sheave (2)It has a ring shape (2) and comprises a concave side (22a) and aconvex side (22b); and where the concave side (22a) houses therope to divert (5); and where the fixing rope (1) passestransversely to the sheave (2) and uses the convex side(22b) as turning radius.

    [5]
    5.-The modular pulley of claim 4 wherein the rope offixation (1) is through the body (3) through arecess (12) allowing direct contact of said rope offixation (1) with the sheave (2) and transmit the force to aanchor point of the fixing rope (1).
    [6]
    6. The modular pulley of any one of claims 1 to 5where the body (3) comprises a plurality of coupling pointsin the central part (7) and in the upper part (6) connectablewith the interconnection piece (4).
    [7]
    7.-The modular pulley of any of claims 1 to 6where the body (3) comprises a second recess (9) configuredto extend or provide a second fixing point on the partlower body (3); and where said second recess (9)allows the passage of a second rope (10) that passes bytransverse to the sheave (2) and in direct contact with it,such that the force exerted on the second rope (10) istransmissible directly to the fixing line (1)exclusively through the sheave (2) without the body (3)Perform no force transmission.
    [8]
    8.-The modular pulley according to any of theclaims 1 to 7 wherein the body (3) presents in the partupper two through holes (8) positioned symmetricallyon the sides of the fixing rope (1); and where these twothrough holes (8) allow a holding rope (11),placed transversely on the fixing rope (1),restrict the lateral movement of the fixing rope (1) withwith respect to the body (3) in such a way that the body (3) is aligned,the fixing rope (1), the sheave (2) and the possible point offixation defined by the second recess (9) to the effortsgenerated by the deviated rope (5).
    [9]
    9.-The modular pulley according to any of theclaims 1 to 8 wherein the body (3) comprises a

    plurality of connecting elements (15,16,17,18); where hebody (3) has two male (15) and (18) and two female connectors
    (16) and (17); and where the connectors are located twoon the top male (15) and female (16) and two connectorsfemale (17) and male (18) in the center of the body (3).
    [10]
    10.-The modular pulley of claim 9 wherein theconnectors (15,16,17,18) are configured to prevent thedisplacement and rotation of the parts that make up the body
    (3) and in turn provide a means for them to remainUnited.
    [11]
    11.-The modular pulley according to any of theclaims 1 to 10 wherein the interconnection part (4)in its embodiment shown in figure 14 shows a piece withfour male connectors (13) and (14) that connect to the body
    (3)  by means of the pairs of connectors (6) and (7) of the body (3).
    [12]
    12.-The modular pulley according to claim 11 whereinthe interconnection part (4) comprises two connectorsupper one male (19) and one female (20) and in the center onemale (22) and another female (21); and where the interconnection piece
    (4) It contains the same characteristics as the inner part of thebody (3) that allows to accommodate the sheave (2), allowing thepassage of the fixing rope (1) and the connecting rope (10).
    [13]
    13.-The modular pulley of any of claims 1 and3 to 12, where the sheave (2) comprises a plurality ofbearings (21) contained inside said roller (2).
    [14]
    14.-The modular pulley of claim 13 wherein thebearings (21) are included in a central recess (21a) forits fixation; and where on its outer side it has a concavity(21b) to accommodate the rope to be diverted (5).
    [15]
    15.-The modular pulley of claim 13 wherein the

    Roller (2) comprises a central recess (21c), which has aconvex transverse shape to facilitate assembly and reducefatigue in the fixing rope (1).





















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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3050286A|1957-09-18|1962-08-21|Boston & Lockport Block Co|Pulley block|
    US3353794A|1966-08-05|1967-11-21|Byron Jackson Inc|Traveling block|
    US3535948A|1968-11-29|1970-10-27|John Harold Winzeler|Worm gearing|
    US20060079357A1|2004-09-23|2006-04-13|George Bowman|Pulley|
    US9122130B1|2012-11-21|2015-09-01|Dennis J. Vegh|Cable traversing camera carrying device|
    WO2015001028A2|2013-07-03|2015-01-08|Ino-Rope|Pulley|
    FR2923451B1|2007-11-12|2009-12-11|Karver|PIECE FOR MAINTAINING A ROPE ON A PULLEY|ES1174560Y|2016-12-23|2017-04-12|Nicolás Alejandro Goldenberg|PULLEY|
    法律状态:
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    优先权:
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    ES201631007A|ES2599393B2|2016-07-22|2016-07-22|MODULAR PULLEY|ES201631007A| ES2599393B2|2016-07-22|2016-07-22|MODULAR PULLEY|
    PCT/ES2017/070529| WO2018015605A1|2016-07-22|2017-07-21|Modular pulley|
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