US3291921A - Device for supporting and feeding cables - Google Patents
Device for supporting and feeding cables Download PDFInfo
- Publication number
- US3291921A US3291921A US306369A US30636963A US3291921A US 3291921 A US3291921 A US 3291921A US 306369 A US306369 A US 306369A US 30636963 A US30636963 A US 30636963A US 3291921 A US3291921 A US 3291921A
- Authority
- US
- United States
- Prior art keywords
- chain
- supporting
- guiding
- section
- energy
- 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.)
- Expired - Lifetime
Links
- 230000008093 supporting effect Effects 0.000 title claims description 76
- 239000004020 conductor Substances 0.000 claims description 37
- 230000009975 flexible effect Effects 0.000 claims description 8
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
- H02G11/006—Arrangements of electric cables or lines between relatively-movable parts using extensible carrier for the cable, e.g. self-coiling spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/01—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets for supporting or guiding the pipes, cables or protective tubing, between relatively movable points, e.g. movable channels
- F16L3/015—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets for supporting or guiding the pipes, cables or protective tubing, between relatively movable points, e.g. movable channels using articulated- or supple-guiding elements
Definitions
- the present invention relates to an arrangement for guiding and supporting flexible long conduits and the like sensitive to pull, pressure, friction or undue bending. More specifically, a device of the above-mentioned type as involved in the present case comprises chains with supporting rollers on the chain links and with a stationary connection and a movable connection.
- FIGURE 1 illustrates a side view of an arrangement according to the present invention in which the front supporting and front guiding rails have been omitted on the right-hand side of the drawings;
- FIGURE 2 is a cross-section taken along the line II-II of FIGURE 1;
- FIGURE 3 shows the arrangement according to the present invention in its right-hand end position (with regard to the drawing);
- FIGURE 4 is a view similar to that of FIGURE 3 but showing the arrangement in its left-hand end position;
- FIGURE 5 is an arrangement similar to that of FIG- URES 3 and 4 but differing therefrom in that the connection adapted to be connected to the consumer is not located at the top thereof but at a bottom portion thereof, the arrangement in FIGURE 5 occupying its left-hand end position;
- FIGURE 6 shows a further modification of the present invention having its connection to be connected to the consumer at the top and being supported by the lower chain section;
- FIGURE 7 represents in side view still another modification of the invention with a lower connection for the consumer and a guiding linkage system
- FIGURE 8 is a section along the line VIIIVIII 0f FIGURE 7.
- FIG. 9 is a diagrammatic side view representing a further embodiment of the invention showing two movable consumers.
- FIG. 10 shows a finite chain having its ends interconnected by a turn-buckle.
- FIG. 11 is a further modification of a chain for use in connection with the present invention.
- the arrangement according to the present invention is characterized primarily in that the supporting rollers of the chains are guided in endless guiding rails closed in themselves, which are combined to a guiding frame.
- the supporting rollers are arranged outside the link center of the chains.
- the chains may be supported by the guiding frame and supporting rails or by the guiding frames and a supporting means on the upper or lower chain section.
- the stationary connection and the movable connection for the consumer may be connected to the upper or to the lower chain section.
- the chain is advantageously connected to the movable consumer by a guiding link system which, by means of spherical joints, is pivotally connected to the chain and also to the consumer.
- the chains may selectively be composed of supporting members which are spaced from each other and interconnected by a different type of link and which has journalled therein two shafts for the supporting rollers.
- the chain may be composed of uniform links each of which supports one shaft only for the supporting rollers.
- each two adjacent supporting members 4 are interconnected in a manner known per se in connection with chains, viz. by two fish-plates 3.
- the endless chains 1 and 2 are held together by webs 5.
- Webs 5 are connected to the supporting members 4 of the two chains 1 and 2 in such a way that at each supporting member 4 there is provided a web 5 with bores 6 for receiving the conduits 7, cables, flexible energy conductors, hoses, or the like, to be supported and guided.
- the two chains 1 and 2 are also interconnected by the shafts 9 and 10 carrying the rollers 11 and 12 and supported by the supporting members 4.
- the said shafts protrude beyond the supporting members 4 and have the protruding portion supporting the rollers 11 and 12.
- the shafts 9 and 10 are identical and, for reasons of stability of the chain, preferably extend from one side to the other of the chain. For this reason, the shafts 9 and 10 are preferably arranged outside the center of the joints 8. The distance of the shafts 9 and 10 from the joints 8 is so selected that the passage of the cables 7 will not be interfered with. As stated above, the ends of shafts 9 and 10 carry the supporting rollers 11 and 12.
- Each supporting unit generally designated 4a, comprises two spaced supporting members 4 interconnected by a web 5, shafts 9 and 10 carried by said supporting members 4, and supporting rollers 11 and 12 at the respective ends of said shafts 9 and 10.
- the supporting rollers 11 and 12 are guided in endless rails 13 and 14 of U- shaped cross-section. These rails are shaped so as to form an oval the straight sections of which correspond approximately to half the stroke of the consumer, for instance a machine to be supplied with energy, or the like.
- the curved ends of the oval structure are so dimensioned that their shortest diameter of curvature is larger than the smallest admissible radius of curvature of the guided cable 7, or the like.
- the strength of the oval shape of the guiding rails 13 and 14 is increased by structural members 15 and 16 connected thereto in any convenient manner, for instance by welding.
- the thus reinforced guiding rails 13 and 14 are connected by transverse struts 17 and 18 to form a strong entity.
- the open sides of the cross-section of the guiding rails 13 and 14 face each other and are spaced from each other by a distance corresponding to the distance between the supporting rollers 11 and 12.
- track rails 19 and 20 Arranged in said guiding rails 13 and 14 for purposes of laterally guiding the energy conducting chain, there are provided track rails 19 and 20 which may, for instance, have a round profile. More specifically, these track rails are, depending on the purpose for which the energy guiding chain is used, mounted in the lower or upper corners of the cross-sectional U-profile of the rails 13 and 14.
- FIG. 2 shows the arrangement for a suspended energy guiding chain.
- the guiding rails 13 and 14 are moved along by the chains 1 and 2 and, more specifically, at half the chain speed over half the chain stroke, as is known with cable or chain supporting carriages.
- the structure composed of guiding rails 13 and 14, structural members 15 and 16 and transverse struts 17 and 18 forms a guiding frame 21.
- the guiding frame 21 may be guided in conformity with the purpose for which it is used.
- stationary supporting rails 22 and 23 supporting rollers 24 and 25.
- the track is also in this instance maintained by track rails 26 and 27.
- the rollers 24 and 25 are rotatably supported by the ends of the shafts 28 which are connected to the guiding frame 21.
- An energy guiding chain designed in conformity with the above description does not require a support for the lower chain sections when rails 22 and 23 are employed.
- the upper, the lower, or both chain sections may be moved, which means that the movable connection for the consumer may selectively be located at the top or at the bottom and, correspondingly, the stationary connection may be located at the bottom or at the top.
- one movable connection may be arranged at the top or another movable connection may be arranged at the bottom (FIG. 9). In this way, two machines or machine parts may be interconnected by energy conductors while moving in the same or in opposite direction and while the machines may pass each other.
- an energy conducting chain according to the present invention is to be employed in customary arrangement, which means that the lower chain section rests on a support, it is merely necessary to omit the rails 22 and 23 with their track rails 26 and 27, and the rollers 24 and 25 with their shafts 28. With such an arrangement, of course, only an upper connection with the consumer will be possible.
- FIGS. 3 to 8 illustrate embodiments for the abovementioned possibilities.
- FIGS. 3 and 4 show an arrangement with movable upper connection for the consumer, FIG. 3 showing the outermost right-hand end position, and FIG. 4 showing the outermost left-hand end position.
- the follower 29 of the movable consumer 30 is, for instance, suspended on a supporting member 4 of the upper chain section, whereas the stationary connection 31 engages, for instance, a supporting member 4 of the lower chain section.
- FIG. illustrates an arrangement for a lower connection with the movable consumer.
- the stationary connection 32 is arranged at the top and connected, for instance to a supporting member 4 of the upper chain section, whereas the follower 33 of the movable consumer 34 is linked to another supporting member 4 of the lower chain section.
- the energy conductor carrying chain rests by means of its lower chain section on a Supporting surface 35.
- the stationary connection 36 is arranged in the manner in which it is found with energy conductor carrying chains of the type heretofore customary, whereas the follower 38 of the movable consumer 37 again engages the upper chain section.
- spherical joint 40 is linked to a supporting member 4 of the lower chain section by means of a spherical joint 40.
- the linkage 39 is connected to the movable consumer 42 through a further spherical joint 41.
- the cable or cables 43 are guided along the guiding linkage 39 and pass through a loop 44 into the consumer 42.
- the spherical joint 40 may also have adjacent thereto a loop 45 of the cable 43.
- the guiding linkage 39 permits the consumer to move in a direction transverse to the direction of movement of the energy conductor carrying chain.
- the consumer 42 thus will be able to move over a predetermined surface.
- the spherical joints 40, 41 additionally permit a finite turning movement of the consumer 42, as indicated in dash lines in FIGS. 7 and 8. Also, a certain vertical movement and a tilting movement within certain limits in either direction will be possible for the consumer.
- the consumer 42 may, within certain limits, carry out three-dimensional movements.
- the invention furthermore makes possible the following possibilities: instead of an endless chain 1 and 2, a chain with finite length may be employed which is closed through the intervention of a turn-buckle.
- the purpose of the turn-buckle consists in compensating for an overlapping of the chain pitch at the joint.
- each chain joint 8 has associated therewith a shaft 9 or 10.
- a supporting member 4 receiving two shafts 9 and 10
- uniform chain links may be employed throughout the chain as shown in FIG. 11.
- each one has one shaft 9 or 10 only with rollers 11. This shaft must be located below a joint 8.
- open finite chains may be used as long as the thrust occurring in the direction of movement does not affect the function of the chain.
- Such open finite chains are known per se and described for instance in German Auslegeschrift No. 1,065,050.
- the supporting rails 22 and 23 for the guiding frame 21 may with a corresponding modification of the arrangement also be provided unilaterally with regard to the guiding frame 21.
- This embodiment is preferred when, for instance, two consumers which pass by each other are to be connected to energy conductors. Arrangements of this type are known and described for instance in Dubrbel, Taschenbuch fiir den Maschinenbau (Handbook for Mechanical Engineers), vol. 11, page 448, figs. 199 and 200.
- An arrangement for guiding and supporting flexible energy conveying conductors, especially cables and hoses which includes: chain means having an upper chain section and a lower chain section and at least one arcuate chain section leading from said upper section to said lower section, said chain means comprising interlinked chain elements and supporting members carried by said chain elements for receiving and supporting energy conductors, stationary means connected to one of said upper and lower chain sections for guiding portions of energy conductors onto and guiding other portions of energy conductors from said chain means, movable means connected to the other of said upper and lower chain section for connecting energy conductors on said chain means with a movable consumer, supporting roller means supported by said chain means and distributed therealong, and guiding rail means movable relative to said stationary means for guiding said supporting by engaging said roller means and thereby guiding said chain means along a substantially oval path, said rail means comprising an upper portion which the upper chain section engages and a lower portion which the lower chain section engages and at least one arcuate portion leading from said upper portion to said lower portion and engaged by said ar
- An arrangement for guiding and supporting flexible energy conveying conductors, especially cables and hoses which includes: endless chain means having an upper chain section and a lower chain section and arcuate end chain sections connecting the ends of the lower section with the ends of the upper section, said chain means comprising interlinked chain elements and supporting members carried by said chain elements for receiving and supporting energy conductors, stationary means connected to one of said upper and lower chain sections for guiding portions of energy conductors onto and guiding other portions of energy conductors from said chain means, movable means connected to the other of said upper and lower chain sections for connecting energy conductors on said chain means with -a movable consumer, supporting roller means supported by said chain means, guiding rail means having upper and lower and arcuate end portions and forming a closed path, said rail means receiving said roller means and supporting said chain means along the entire length thereof, and elevated stationary support rails for movably supporting said guide rail means, said guide rail means including means movably engaging said stationary support rails.
- An arrangement for guiding and supporting flexible energy conveying conductors, especially cables and hoses which includes: endless chain means having an upper chain section and a lower chain section and arcuate end chain sections connecting the ends of the lower section with the ends of the upper section, said chain means comprising interlinked chain elements and supporting members carried by said chain elements for receiving and supporting energy conductors, the lower one of said chain sections being adapted for being disposed adjacent on stationary supporting surface, stationary means connected to said lower chain section for guiding portions of energy conductors onto and guiding other portions of energy conductors from said chain means, movable means connected to the upper chain section for connecting energy conductors on said chain means with a movable consumer, supporting roller means supported by said chain means in distributed relation therealong, and endless guiding rail means supported for movement relative to said stationary means and including means for supporting by and guiding by engaging said roller means so as to support all sections of said chain means, said guiding rail means guiding said chain means along a substantially oval path.
- An arrangement for guiding and supporting flexible energy conveying conductors, especially cables and hoses which includes: endless chain means having an upper chain section and a lower chain section below said upper chain section and arcuate end chain sections connecting the ends of the lower section with the ends of the upper section, said chain means comprising inter-linked chain elements and supporting members receiving and supporting energy conductors, stationary means connected to one of said upper and lower chain sections for guiding portions of energy conductors onto and guiding other portions of energy conductors from said chain means, movable means connected to the other of said upper and lower chain sections for connecting energy conductors on said chain means with a movable consumer, said movable means including spherical joint means and link means connected to said spherical joint means for connection with a movable consumer, supporting roller means supported by said chain means in distributed relation therealong, and endless guiding rail means supported for movement relative to said stationary means and including means for guiding :by and supporting by engaging said roller means so as to support all sections of said chain means, said guiding rail means
- every second chain element when viewing in longitudinal direction of said chain means is provided with two shafts each carrying two supporting roller means and movable on said guiding rail means.
- An arrangement for guiding and supporting flexible energy conveying conductors, especially cables and hoses which includes: endless chain means having an upper chain section and a lower chain section and arcuate end chain sections connecting the ends of the lower section with the ends of the upper section, said chain means comprising interlinked chain elements and supporting members carried by said chain elements for receiving and supporting energy conductors, first means connected to one of said upper and lower chain sections and leading portions of energy conductors onto said chain means, second means connected to the other of said upper and lower chain sections for connecting energy conductors on said supporting members with a movable consumer, supporting roller means supported by said chain means guiding rail means having upper and lower and arcuate end portions and forming a closed path, said rail means receiving said roller means and supporting said chain means along the entire length thereof, and elevated stationary support rails for movably supporting said guide rail means, said guide rail means including means movably engaging said stationary support rails, endless guiding rail means comprising two vertically spaced substantially straight sections interconnected by curved sections at the end and being movable relative to
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
- Tents Or Canopies (AREA)
- Framework For Endless Conveyors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEK47666A DE1202089B (de) | 1962-09-04 | 1962-09-04 | Vorrichtung zur Fuehrung und Lagerung von biegsamen Leitungen od. dgl. |
Publications (1)
Publication Number | Publication Date |
---|---|
US3291921A true US3291921A (en) | 1966-12-13 |
Family
ID=7224651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US306369A Expired - Lifetime US3291921A (en) | 1962-09-04 | 1963-09-03 | Device for supporting and feeding cables |
Country Status (6)
Country | Link |
---|---|
US (1) | US3291921A (de) |
AT (1) | AT239353B (de) |
CH (1) | CH413537A (de) |
DE (1) | DE1202089B (de) |
GB (1) | GB1004202A (de) |
NL (1) | NL297164A (de) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4129277A (en) * | 1977-02-07 | 1978-12-12 | Mcgraw-Edison Company | Retractable roller support for use with flexible rolling support for conductors or conduits |
EP1152510A2 (de) * | 2000-05-01 | 2001-11-07 | Tsubakimoto Chain Co. | Vorrichtung zum Tragen und Führen von flexiblen Kabeln |
US6561368B1 (en) | 2000-05-01 | 2003-05-13 | Par Systems, Inc. | Telescoping tube assembly with a cabling system |
US7624967B1 (en) | 2006-04-19 | 2009-12-01 | Par Systems, Inc. | Opposed-rope hoist driven telescoping mast |
CN104919208A (zh) * | 2012-11-28 | 2015-09-16 | 椿本缆线牵引有限公司 | 用于长移动距离的具有引导通道的能量传导系统 |
US20180320757A1 (en) * | 2015-11-16 | 2018-11-08 | Tsubakimoto Chain Co. | Guide device for long object, and guide rail |
US20200130942A1 (en) * | 2017-04-24 | 2020-04-30 | Tsubakimoto Chain Co. | Guiding device for long object |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1143540A (de) * | 1965-05-18 | 1900-01-01 | ||
CZ284723B6 (cs) * | 1996-07-17 | 1999-02-17 | Hennlich Industrietechnik, Spol. S R. O. | Zařízení pro eliminaci odchylek |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2864907A (en) * | 1954-01-13 | 1958-12-16 | Waninger Gilbert | Supporting means for flexible members |
US3008015A (en) * | 1957-04-01 | 1961-11-07 | Porter Co Inc H K | Current collector shoe |
US3157376A (en) * | 1960-10-29 | 1964-11-17 | Kabelschlepp Gmbh | Arrangement for feeding consumer means through conveying means to parts movable on tracks |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE970361C (de) * | 1954-01-14 | 1958-09-11 | Kabelschlepp Gmbh | Vorrichtung zur Fuehrung und Lagerung von biegsamen, langgestreckten, gegen Zug, Druck, Reibung oder uebermaessige Biegung empfindlichen Leitungen od. dgl., die an einem Ende ortsfest, am anderen Ende mit geradlinig bewegten Maschinenteilen verbunden sind |
-
0
- NL NL297164D patent/NL297164A/xx unknown
-
1962
- 1962-09-04 DE DEK47666A patent/DE1202089B/de active Pending
-
1963
- 1963-08-01 AT AT618863A patent/AT239353B/de active
- 1963-08-09 GB GB31502/63A patent/GB1004202A/en not_active Expired
- 1963-08-27 CH CH1058763A patent/CH413537A/de unknown
- 1963-09-03 US US306369A patent/US3291921A/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2864907A (en) * | 1954-01-13 | 1958-12-16 | Waninger Gilbert | Supporting means for flexible members |
US3008015A (en) * | 1957-04-01 | 1961-11-07 | Porter Co Inc H K | Current collector shoe |
US3157376A (en) * | 1960-10-29 | 1964-11-17 | Kabelschlepp Gmbh | Arrangement for feeding consumer means through conveying means to parts movable on tracks |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4129277A (en) * | 1977-02-07 | 1978-12-12 | Mcgraw-Edison Company | Retractable roller support for use with flexible rolling support for conductors or conduits |
EP1152510A2 (de) * | 2000-05-01 | 2001-11-07 | Tsubakimoto Chain Co. | Vorrichtung zum Tragen und Führen von flexiblen Kabeln |
EP1152510A3 (de) * | 2000-05-01 | 2003-03-12 | Tsubakimoto Chain Co. | Vorrichtung zum Tragen und Führen von flexiblen Kabeln |
US6561368B1 (en) | 2000-05-01 | 2003-05-13 | Par Systems, Inc. | Telescoping tube assembly with a cabling system |
US7624967B1 (en) | 2006-04-19 | 2009-12-01 | Par Systems, Inc. | Opposed-rope hoist driven telescoping mast |
CN104919208A (zh) * | 2012-11-28 | 2015-09-16 | 椿本缆线牵引有限公司 | 用于长移动距离的具有引导通道的能量传导系统 |
US20150303665A1 (en) * | 2012-11-28 | 2015-10-22 | Tsubaki Kabelschlepp GmbH | Power transmission system for long travel distances having a guide channel |
US9819162B2 (en) * | 2012-11-28 | 2017-11-14 | Tsubaki Kabelschlepp GmbH | Power transmission system for long travel distances having a guide channel |
US20180320757A1 (en) * | 2015-11-16 | 2018-11-08 | Tsubakimoto Chain Co. | Guide device for long object, and guide rail |
US20200130942A1 (en) * | 2017-04-24 | 2020-04-30 | Tsubakimoto Chain Co. | Guiding device for long object |
Also Published As
Publication number | Publication date |
---|---|
GB1004202A (en) | 1965-09-15 |
CH413537A (de) | 1966-05-15 |
AT239353B (de) | 1965-04-12 |
DE1202089B (de) | 1965-09-30 |
NL297164A (de) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3157376A (en) | Arrangement for feeding consumer means through conveying means to parts movable on tracks | |
US3291921A (en) | Device for supporting and feeding cables | |
US2974608A (en) | Suspension railway | |
US4208969A (en) | Suspended rail structure especially for monorail vehicles | |
US3330105A (en) | Protective device for flexible conductors | |
US3233850A (en) | Chain-like device for guiding electric cables and the like | |
US3628462A (en) | Vehicle switching apparatus | |
US2864907A (en) | Supporting means for flexible members | |
US3698326A (en) | Transport unit for overhead or suspended conveyor systems | |
US1949691A (en) | Conveyer | |
US3222464A (en) | Trolley conductor | |
US2844243A (en) | Carrier-type conveyors | |
US4264996A (en) | Suspension-cable support saddle for track-type suspended railway | |
US2997004A (en) | Monobeam switches | |
US2928356A (en) | Conveyor systems | |
US2875886A (en) | Rigidly spaced limber idler troughing roller assembly for endless conveyor | |
US3343650A (en) | Adjustable conveyor system | |
US3793961A (en) | System for the conveyance of passengers or goods using a continuous and fast belt | |
EP0128391A3 (en) | Sliding gate movable along a curve | |
US3068983A (en) | Cantilever telescopic conveyor | |
US3024325A (en) | Cable feeding arrangement | |
US1801527A (en) | Aerial tramway | |
US1810417A (en) | Trolley conveyer | |
US3396853A (en) | Blonding cableway installation | |
US2129380A (en) | Chain conveyer |