US20090039196A1 - Cable protection and guide device - Google Patents

Cable protection and guide device Download PDF

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Publication number
US20090039196A1
US20090039196A1 US12/172,232 US17223208A US2009039196A1 US 20090039196 A1 US20090039196 A1 US 20090039196A1 US 17223208 A US17223208 A US 17223208A US 2009039196 A1 US2009039196 A1 US 2009039196A1
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US
United States
Prior art keywords
plates
arc
link plates
link
warp
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.)
Abandoned
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US12/172,232
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English (en)
Inventor
Shoichiro Komiya
Takayuki Matsuda
Katsuhide Yamashita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsubakimoto Chain Co
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Individual
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40227120&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20090039196(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Assigned to TSUBAKIMOTO CHAIN CO reassignment TSUBAKIMOTO CHAIN CO ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KOMIYA, SHOICHIRO, MATSUDA, TAKAYUKI, YAMASHITA, KATSUHIDE
Publication of US20090039196A1 publication Critical patent/US20090039196A1/en
Abandoned legal-status Critical Current

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Classifications

    • 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
    • F16G13/00—Chains
    • F16G13/12—Hauling- or hoisting-chains so called ornamental chains
    • F16G13/16—Hauling- or hoisting-chains so called ornamental chains with arrangements for holding electric cables, hoses, or the like
    • 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
    • F16G13/00—Chains
    • F16G13/12—Hauling- or hoisting-chains so called ornamental chains
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00—Arrangements of electric cables or lines between relatively-movable parts

Definitions

  • the present invention relates to a cable protection and guide device which securely protects and guides a flexible cable.
  • the device may guide an electrical cable, a hydraulic hose, a pneumatic hose, or an optical fiber cable.
  • the device may be used in connection with a machine tool, an electric device, an industrial robot, or a machine used in transporting objects.
  • the cables may carry electric energy and electric signals to the remote end of the moving machine or the movable portions of the machine.
  • FIG. 2 of Japanese Laid-Open Patent Publication No. 2007-10087 is a known cable protection and guide device which includes a number of link frame bodies each comprising a pair of right and left spaced link plates and connecting plates respectively bridged over a bending outer circumferential side and a bending inner circumferential side of the link plates.
  • Japanese Laid-Open Patent Publication No. 2007-10087 the pair of right and left link plates must be molded by separate right and left metal molds. As such, the production cost of the link plates is high as the manufacturing costs are doubled because two molds are needed. Further, in Japanese Laid-Open Patent Publication 2007-10087, the supply of left and right link plates must be managed so that they are properly inserted for assembly and for replacement.
  • the object of the present invention is to solve the above-mentioned problems by providing a cable protection and guide device wherein the mold manufacturing cost is cut in half by using one mold. It is a further object to eliminate any error due to connection and incorporation of the link plates. Still further, it is an object of the invention to make the management of the parts easy and simple.
  • a cable protection and guide device which comprises: a number of pairs of right and left spaced side plates articulately connected to each other in a longitudinal direction enabling said side plates to form a flexional circumferential bend having a flexional inner circumferential side and flexional outer circumferential side; each of the side plates includes a flexional inner circumferential side residing during bending on the flexional inner circumferential side of the bend; each of the side plates includes an outer circumferential side residing during bending on the outer flexional circumferential side of the bend; each of the link plates includes a front side portion and a rear side portion; connecting plates; the connecting plates are respectively bridged over the bending inner circumferential side and the bending outer circumferential side of the pairs of right and left spaced link plates; connecting pins residing in the front side portion of each of the link plates; the link plates include connecting pin holes in the rear side portion of each of the link plates; a cable accommodating space formed by pivotally connecting the link plates to the next adjacent link plates in a longitudinal direction
  • each of the link plates includes: an arc shaped concavity; a convex portion; and, the convex portion of the next adjacent link plate interengages the arc shaped concavity of the subsequent link plate.
  • each of the link plates includes: an arc shaped concavity; the arc shaped concavity includes a warp-up limiting lock groove; a convex portion; the convex portion includes an arc-shaped warp-up limiting lock piece; and, the arc-shaped warp-up limiting lock piece of the convex portion of the next adjacent link plate interengages the arc-shaped warp limiting groove of the arc shaped concavity so that warpage of the link plates is limited.
  • the connecting plates are respectively bridged over a bending inner circumferential side and a bending outer circumferential side of pairs of right and left spaced link plates.
  • the cable protection and guide device comprises, a number of pairs of right and left spaced side plates articulately connected to each other in a longitudinal direction enabling the side plates to form a flexional circumferential bend having a flexional inner circumferential side and flexional outer circumferential side; each of the side plates includes a flexional inner circumferential side residing during bending on the flexional inner circumferential side of the bend; each of the side plates includes an outer circumferential sides side residing during bending on the outer flexional circumferential side of the bend; each of the link plates includes a front side portion and a rear side portion; connecting plates; the connecting plates are respectively bridged over the bending inner circumferential side and the bending outer circumferential side of the pairs of right and left spaced link plates; connecting pins residing in the front side portion
  • the link plates each have a singular plate shape (i.e., the plates are identical) molded by a single metal mold. Thus, manufacturing costs for the link plates is reduced by half because only one mold is necessary.
  • the same link plate may be used as a right link plate or a left link plate. Further, there is no error upon connection and incorporation of the link plates even if the link plates are randomly connected to each other. Thus parts management is not a problem because all of the parts are the same.
  • a bending operation area limiting concave portion is formed along an arc in the side plate.
  • the arc is coaxially spaced from the connecting pin or the connecting pin hole.
  • a convex portion of the next adjacent plate is fitted to the bending operation area limiting concave portion in a concave element/convex element engagement which allows rotational relative movement between the plates.
  • the concave portion and the convex portion are respectively provided on opposite side surfaces of the link plates.
  • the link plates are connected in the longitudinal direction so that bending (rotational movement) between the front side portion and the rear side portion of adjacent link plates is limited.
  • the degree or extent of rotational movement between adjacent link plates during operation of the device in a bending fashion is limited.
  • a linear position during linear movement of the device is reliably achieved.
  • the transition between linear and rotational movement of the links plates is reliably achieved so that the cable can be smoothly protected and guided.
  • a short arc-shaped warp-up (i.e. warp) limiting lock piece of the convex portion of the link plate is fitted to the short arc-shaped warp-up (i.e. warp) limiting lock groove of the next adjacent link plate in a concave/convex engagement.
  • the short arc-shaped warp-up (i.e. warp) limiting lock piece of the convex portion of the link plate and the (i.e. warp) limiting lock groove reside on opposite surfaces of the link plate.
  • the link plates are connected in the longitudinal direction of the cable.
  • the short arc-shaped warp-up limiting lock groove and the short arc-shaped warp-up limiting lock piece are fitted to each other in a concave element/convex element engagement without deformation during a connection and incorporation operation between link plates because previous twisting of the device has been prevented allowing easy maintenance and interchangeability of the link plates.
  • the engagement structure, to wit, the short arc-shaped warp-up limiting lock groove and the short arc-shaped warp-up limiting lock piece is simple and it is easy to make a metal mold therefor.
  • FIG. 1 is a use form view of a cable or the like protection and guide device, which is a first example according to the present invention.
  • FIG. 2 is a perspective view showing a connection state between link plates in FIG. 1 .
  • FIG. 3 is an explanatory view showing an arrangement state of link plates.
  • FIG. 4 is a perspective view of the link plate used in the first example of the present invention viewed from a cable accommodating space side.
  • FIG. 5 is a perspective view of the link plate shown in FIG. 4 viewed from the outside of the cable accommodating space.
  • FIG. 6 is a partially cut out perspective view of a connection state between link plates viewed from the cable accommodating space side.
  • FIG. 7 is a partially cut out perspective view of a connection state between the link plates from the outside of the cable accommodating space.
  • FIG. 8 is a perspective view showing a connection state between link plates in the second example of the present invention.
  • FIG. 9 is a perspective view of the link plate used in the second example of the present invention viewed from a cable accommodating space side.
  • FIG. 10 is a perspective view of the link plate shown in FIG. 9 viewed from the outside of the cable accommodating space.
  • FIG. 11 is a partially cut out perspective view of a connection state between link plates viewed from the cable accommodating space side.
  • FIG. 12 is a partially cut out perspective view of a connection state between the link plates from the outside of the cable accommodating space.
  • a cable protection and guide device which is an example of the present invention, will be described with reference to FIGS. 1 to 12 .
  • FIG. 1 is a view of a cable protection and guide device, which is a first example according to the present invention.
  • FIG. 2 is a perspective view showing a connection state between link plates in FIG. 1 .
  • FIG. 3 is an explanatory view showing an arrangement of link plates.
  • FIG. 4 is a perspective view of the link plate used in the first example of the present invention viewed from a cable accommodating space side.
  • FIG. 5 is a perspective view of the link plate shown in FIG. 4 viewed from the outside of the cable accommodating space.
  • FIG. 6 is a partially cut out perspective view of a connection state between link plates viewed from the cable accommodating space side.
  • FIG. 7 is a partially cut out perspective view of a connection state between the link plates from the outside of the cable accommodating space.
  • FIG. 1 is a view of a cable protection and guide device, which is a first example according to the present invention.
  • FIG. 2 is a perspective view showing a connection state between link plates in FIG. 1 .
  • FIG. 3 is
  • FIG. 8 is a perspective view showing a connection state between link plates in the second example of the present invention.
  • FIG. 9 is a perspective view of the link plate used in the second example of the present invention viewed from a cable accommodating space side.
  • FIG. 10 is a perspective view of the link plate shown in FIG. 9 viewed from the outside of the cable accommodating space.
  • FIG. 11 is a partially cut out perspective view of a connection state between link plates viewed from the cable accommodating space side.
  • FIG. 12 is a partially cut out perspective view of a connection state between the link plates from the outside of the cable accommodating space.
  • a cable protection and guide device 100 which is a first example according to the present invention, is used for protecting and guiding a cable C such as an electric cable, which performs a transmission of electric signals or a supply of power.
  • a cable C such as an electric cable, which performs a transmission of electric signals or a supply of power.
  • a hose which supplies hydraulic pressure or pneumatic pressure, may be used in the cable accommodating space R.
  • the electric cable connects between a movable portion M and a stationary portion F of, for instance, a plasma display, a semiconductor production device or a vehicle as shown in FIG. 1 .
  • the cable protection and guide device 100 assumes a linear position state or a bending position state in accordance with movement conditions between the movable portion M and the stationary portion F.
  • the above-described cable protection and guide device 100 is molded of a glass fiber reinforced polyamide resin which exhibits excellent strength properties.
  • the cable protection and guide device 100 is manufactured by interconnecting pairs of right and left spaced link plates 110 , 110 together. Bending inner circumferential side connecting plates 120 are each attachably bridged over a bending inner circumferential side of these link plates 110 , 110 . Bending outer circumferential side connecting plates (not shown) are each attachably bridged over a bending outer circumferential side of these link plates 110 , 110 to form a rectangular shape, in cross-section, of the device.
  • the link plates include a front side portion and rear side portion.
  • the above-described link plate 110 can be arranged as a right or left link plate and connected in a longitudinal direction as shown in FIG. 3 .
  • Arrows in FIG. 3 show alternate positions that the link plates may assume. The arrows are meant to show that the same link plate can be used anywhere in the device, to wit, on the right or left side of the device.
  • the link plate 110 as shown in FIGS. 4 and 5 , a front side portion and a rear side portion form a stepped, a so-called off-set, structure in the plate thickness direction.
  • the front side portion of this link plate 110 is provided with a connection pin hole 111
  • the rear side portion of this link plate 110 is provided with a connecting pin 112 having substantially the same outer diameter as the inner diameter of the connecting pin hole 111 into which the connecting pin 112 is fitted.
  • reference numeral 114 shown in FIG. 4 denotes a bending guide pin, which is fitted to the bending guide hole (recess) 113 and guided.
  • Reference numeral 113 shown in FIG. 5 denotes a bending guide hole (recess) by which adjacent link plates 110 , 110 are pivoted with respect to each other and bent (rotated).
  • link plates 110 , 110 are continuously interconnected with the next adjacent link plate.
  • the front and rear portions of the link plates are connected to each other by fitting a connecting pin 112 to a connecting pin hole 111 .
  • the link plates 110 , 110 can be bent (rotated with respect to each other) by being pivoted about the connecting pin 112 .
  • the front side portion and the rear side portion of the link plate 110 are respectively provided with a bend limiting concave portion 115 (sometimes referred to hereafter as a bending limiting concave portion) and a bend limiting convex portion 116 (sometimes referred to hereafter as a bending operation convex portion) formed along arc paths L coaxially spaced from the connecting pin 112 or the connecting pin hole 111 .
  • a bend limiting concave portion 115 sometimes referred to hereafter as a bending limiting concave portion
  • a bend limiting convex portion 116 sometimes referred to hereafter as a bending operation convex portion
  • a given plate has a preceding link plate which comes before it in the device. Sometimes the preceding plate is referred to herein as the next adjacent plate to the given plate. A given plate also has a subsequent link plate which comes after the given plate in the device. Sometimes the subsequent link plate is referred to herein as the next adjacent link plate.
  • a bending operation area limiting concave portion 115 on the front portion of a given link plate and a bending operation area limiting convex portion 116 provided on a rear side portion of the preceding link plate 110 are fitted together.
  • a bending operation area limiting convex portion 116 on the rear portion of given link plate and a bending operation area limiting concave portion 115 provided on the front side portion of the subsequent link plate 110 are also fitted together.
  • the link plates engage in a concave/convex arrangement and limit relative movement.
  • the bending operation areas in the front side portions and rear side portions of the link plates 110 , 110 are limited so that relative rotational movement and stable linear position during linear movement can be achieved. Further, transition between linear movement and rotational movement of the device is reliably achieved to smoothly protect and guide a cable C.
  • the link plates 110 have a singular plate shape, to wit, they are identical (common to each other) and interchangeable. As such, the side plates are used in any position in the device and they are common to each other and can be molded from a single metal mold. Thus molding/manufacturing cost for the link plate is reduced by half. Further, there is no chance of error upon connection and incorporation of the link plates 110 even if the link plates are at randomly connected to each other. Thus the effects of the first example of the invention are very large.
  • a cable protection and guide device 200 which is a second example according to the present invention, will be described with reference to FIGS. 8 to 12 hereinbelow.
  • the cable protection and guide device 200 is only different from the cable protection and guide device 100 in that the cable protection and guide device 200 includes a warp-up (i.e. warp) limiting mechanism for limiting the warp-up in the front side portion and the rear side portion of link plates 210 , 210 in the width direction.
  • the other basic structure of the cable protection and guide device 200 shown in FIG. 8 is substantially the same as the cable protection and guide device 100 .
  • the front side portion and the rear side portion of the link plate 210 each have a singular plate shape (common or identical plate shape) so that the link plate 210 can be arranged on either side of the device and all of the link plates can be used as preceding or subsequent link plates with respect to a given plate being referred to.
  • a warp-up limiting mechanism provided in the cable protection and guide device 200 of the second example will be described in detail based on FIGS. 8 to 12 .
  • Opposite surfaces of link plates 210 connected in a longitudinal direction of the cable are respectively provided with a short arc-shaped warp-up limiting lock groove 217 formed along a virtual arc path L coaxially spaced from a connecting pin 212 or a connecting pin hole 211 .
  • the lock grooves are in walls of the arc-shaped concavities of the link plate.
  • a short arc-shaped warp-up limiting block piece 218 of the next adjacent link plate fits to the warp-up (warp) limiting block groove 217 in a concave element/convex element engagement and allows limited rotational movement of the adjacent and interconnected plates. See FIGS. 9 and 10 for a good view of the lock grooves 217 and block pieces 218 .
  • the reference numeral 218 a shown in FIGS. 9 to 12 denotes a warp-up limiting arc surface formed on the short arc-shaped warp-up limiting block piece 218 .
  • the short arc-shaped warp-up limiting lock grooves 217 are arranged in the bending operation area limiting concave portion 215 along a virtual arc path L.
  • the short arc-shaped warp-up limiting lock pieces 218 are arranged on the bending operation area limiting convex portion 216 along a virtual arc path L.
  • the lock pieces 218 interengage the grooves 217 of the next adjacent link plate.
  • the limiting convex portions 216 include limiting lock pieces 218 , 218 which substantially function as a series of arc-shaped warp-up limiting lock pieces interengaging a series of lock grooves 217 .
  • a plurality of pairs of link plates are bending with respect to each other and a plurality of lock pieces interengage a plurality of lock grooves. In this way warpage during bending is substantially prevented.
  • link plates 210 each have a singular plate shape (i.e. they are identical) and can be arranged anywhere, for example, as any of the right or left link plates in the longitudinal direction of the cable.
  • the link plates can thus be molded by a single metal mold.
  • a single link plate 210 performs all necessary functions and thus the manufacturing cost of a link plate metal mold can be reduced as only one mold is required. Further, since there is no error possible upon connection and incorporation of the link plates 210 , even if the link plates 210 are at randomly connected to each other, management of parts is easy.
  • the short arc-shaped warp-up limiting lock groove 217 formed along a virtual arc path L coaxially spaced from a connecting pin 212 or a connecting pin hole 211 is fitted to a short arc-shaped warp-up limiting lock piece 218 in a concave element/convex element engagement to allow limited relative movement therebetween.
  • the lock groove and the lock piece of the respective mating plates are provided on opposite surfaces of the link plates 210 , 210 connected in the longitudinal direction of the cable.
  • the opposed circumferential edges 219 between the link plates 210 , 210 which would tend to otherwise warp (warp up) excessively come into contact with the next adjacent link plates in a torsion state so that warp-up in the width direction at a front side portion and a rear side portion between adjacent link plates 210 , 210 is reliably restricted and inadvertent disengagement between the link plates 210 , 210 is prevented.
  • the engagement structure between the short arc-shaped warp-up limiting lock groove 217 and the short arc-shaped warp-up limiting lock piece 218 is simple to make and can be made from a single metal mold.
  • the short arc-shaped warp-up limiting lock groove 217 and the short arc-shaped warp-up limiting lock piece 218 are fitted to each other in a concave element/convex element engagement without deformation thereof in the width direction during a connection and incorporation operation when assembling the device or replacing link plates.
  • connection and incorporation operation between link plates 210 , 210 is easily performed.
  • the effects of the second example are very large.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Cable Arrangement Between Relatively Moving Parts (AREA)
US12/172,232 2007-08-08 2008-07-12 Cable protection and guide device Abandoned US20090039196A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-206079 2007-08-08
JP2007206079A JP4751862B2 (ja) 2007-08-08 2007-08-08 ケーブル類保護案内装置

Publications (1)

Publication Number Publication Date
US20090039196A1 true US20090039196A1 (en) 2009-02-12

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US12/172,232 Abandoned US20090039196A1 (en) 2007-08-08 2008-07-12 Cable protection and guide device

Country Status (5)

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US (1) US20090039196A1 (ko)
JP (1) JP4751862B2 (ko)
KR (1) KR101184113B1 (ko)
CN (1) CN101363504B (ko)
DE (1) DE102008034182B8 (ko)

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CN107035818A (zh) * 2017-05-26 2017-08-11 绵阳伦奇机器人有限公司 一种三维拖链防撞块
CN107061629A (zh) * 2017-05-26 2017-08-18 绵阳伦奇机器人有限公司 一种三维拖链去应力接头
CN107101043A (zh) * 2017-05-26 2017-08-29 绵阳伦奇机器人有限公司 一种立体拖链固定座
US10047825B2 (en) 2014-09-24 2018-08-14 Tsubakimoto Chain Co. Device for guiding long objects
US20200006931A1 (en) * 2018-06-27 2020-01-02 Yazaki Corporation Wire harness and power supply device having the same
CN113972607A (zh) * 2021-11-05 2022-01-25 河南中坤实业有限公司 一种槽式电缆桥架

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KR100987805B1 (ko) * 2010-01-22 2010-10-18 씨피시스템(주) 클린룸용 케이블 보호장치
JP5430693B2 (ja) * 2012-02-17 2014-03-05 株式会社椿本チエイン ケーブル類保護案内装置
JP5541746B2 (ja) * 2012-02-21 2014-07-09 株式会社椿本チエイン ケーブル類保護案内装置
DE102012006446B4 (de) * 2012-03-30 2020-06-04 Tsubaki Kabelschlepp GmbH Metallische Lasche eines Kettenglieds einer Energieführungskette
KR101358451B1 (ko) * 2012-04-19 2014-02-05 주식회사 코닥트 케이블캐리어용 링크 결합 구조
KR101196888B1 (ko) * 2012-05-07 2012-11-01 (주)한신체인 로보체인과 이에 사용되는 연결 부재
DE102013112703A1 (de) * 2013-11-18 2015-05-21 Reichle & De-Massari Ag Kabelbefestigungsvorrichtung
JP6301775B2 (ja) 2014-08-01 2018-03-28 株式会社椿本チエイン ケーブル類保護案内装置
DE202015100472U1 (de) * 2015-02-02 2015-02-10 Igus Gmbh Kettenglied und Kreiskette mit Kettenglied
JP2019134576A (ja) * 2018-01-31 2019-08-08 住友電装株式会社 電線ガイド装置
DE202020103046U1 (de) 2020-05-27 2021-09-02 Igus Gmbh Energieführungskette

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US7017328B2 (en) * 2003-11-13 2006-03-28 Tsubakimoto Chain Co. Cable protection and guide device
US6992254B2 (en) * 2004-06-07 2006-01-31 Tsubakimoto Chain Co. Cable or the like protection and guide device
US20080271429A1 (en) * 2007-05-02 2008-11-06 Shoichiro Komiya Cable protection and guide device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10047825B2 (en) 2014-09-24 2018-08-14 Tsubakimoto Chain Co. Device for guiding long objects
CN107035818A (zh) * 2017-05-26 2017-08-11 绵阳伦奇机器人有限公司 一种三维拖链防撞块
CN107061629A (zh) * 2017-05-26 2017-08-18 绵阳伦奇机器人有限公司 一种三维拖链去应力接头
CN107101043A (zh) * 2017-05-26 2017-08-29 绵阳伦奇机器人有限公司 一种立体拖链固定座
US20200006931A1 (en) * 2018-06-27 2020-01-02 Yazaki Corporation Wire harness and power supply device having the same
US10811860B2 (en) * 2018-06-27 2020-10-20 Yazaki Corporation Wire harness and power supply device having the same
CN113972607A (zh) * 2021-11-05 2022-01-25 河南中坤实业有限公司 一种槽式电缆桥架

Also Published As

Publication number Publication date
JP4751862B2 (ja) 2011-08-17
KR101184113B1 (ko) 2012-09-18
KR20090015816A (ko) 2009-02-12
JP2009041631A (ja) 2009-02-26
DE102008034182A1 (de) 2009-02-12
CN101363504B (zh) 2014-12-10
CN101363504A (zh) 2009-02-11
DE102008034182B8 (de) 2022-08-11
DE102008034182B4 (de) 2022-03-03

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