EP0180260B1 - Coupling system for detachably coupling a substantially rectangular construction member to and between a pair of uprights, in particular a railing to a scaffold - Google Patents
Coupling system for detachably coupling a substantially rectangular construction member to and between a pair of uprights, in particular a railing to a scaffold Download PDFInfo
- Publication number
- EP0180260B1 EP0180260B1 EP85201547A EP85201547A EP0180260B1 EP 0180260 B1 EP0180260 B1 EP 0180260B1 EP 85201547 A EP85201547 A EP 85201547A EP 85201547 A EP85201547 A EP 85201547A EP 0180260 B1 EP0180260 B1 EP 0180260B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- claw
- jaw
- uprights
- parts
- projections
- 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
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 54
- 238000010168 coupling process Methods 0.000 title claims abstract description 54
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 54
- 238000010276 construction Methods 0.000 title claims abstract description 43
- 210000000078 claw Anatomy 0.000 claims abstract description 58
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G7/00—Connections between parts of the scaffold
- E04G7/30—Scaffolding bars or members with non-detachably fixed coupling elements
- E04G7/302—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members
- E04G7/306—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect
- E04G7/308—Scaffolding bars or members with non-detachably fixed coupling elements for connecting crossing or intersecting bars or members the added coupling elements are fixed at several bars or members to connect without tying means for connecting the bars or members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G5/00—Component parts or accessories for scaffolds
- E04G5/14—Railings
Definitions
- the invention relates to a coupling system for detachably coupling a construction member to and between two uprights, which comprises three or four claw parts which are attached to the construction member in the corners of a rectangle, and projections which are mounted on the uprights at suitable points for interacting with the claw parts, each claw part having a jaw with a passage opening which can allow a projection through and the projections and jaws being so shaped that the upper claw parts of the construction member can be fitted over the upper projections only in an inclined position, in which position the plane of the rectangle through the claw parts makes a minimum angle or more with the plane through the uprights, and the construction member is rotatable about a horizontal axis through the upper claw parts and projections, between the inclined position with the minimum angle and a vertical position in which each of the lower claw parts can receive a lower projection.
- a coupling system of this type is known from the published French Patent Application FR-A-2,404,723.
- the construction member may have various designs and uses, but is intended in particular for use in a scaffold, for example as a support for a planking or as a railing.
- each claw part is formed by a tubular member, the centre line of which coincides with the centre line of the corresponding pin when the construction member is coupled to the uprights.
- the inside diameter of the tubular member is equal to or somewhat greater than the outside diameter of the corresponding pin.
- a circular recess is formed on the inside edge, the centre line of which coincides with the centre line of the tubular member and the dimensions of which match those of the flange of the corresponding pin.
- Each tubular member has an open circumferential part so that the cross-section thereof has essentially a U shape and describes a circular arc of approximately 240°.
- This open part of the tubular member forms the passage opening of the jaw formed by a tubular member.
- the passage opening of the jaw of each upper claw part lies in a horizontal plane at a small distance below the centre line of the corresponding pin.
- the passage opening of the jaw of each lower claw part lies in a vertical plane at a short distance from the centre line of the corresponding pin.
- the member From this position of the construction member the member can be rotated about an axis through the centre line of the upper projections in one direction so that the lower claw parts are released from the lower pins and the member can be moved obliquely upwards after a minimum angle with respect to the plane through the pins has been exceeded so that the upper claw parts are released from the upper pins.
- these steps must be carried out in the reverse order.
- French Patent Application FR-A-2,404,723 in addition proposes locking means which counteract rotation of the construction member about an axis through the centre lines of the upper pins when the construction member is coupled to the standards and the lower claw parts engage round the lower pins.
- the known system has the drawback that to counteract accidental rotation of the construction member additional means of locking are necessary.
- Another important drawback is that as a result of the small thickness of the pins with respect to the distance between two pins mounted above each other, the said minimum angle for the inclined movement upwards of the construction member is small.
- the locking means in the known coupling system consist of a U-profiled part which can be fitted over an upright and which has dimensions such that between parts of the flanges thereof movement with as small amount of play is possible over a lower pin with a claw part coupled thereto, and that by means of a cutout formed on the U-profiled part suspension is possible on a pin specially mounted for the purpose on the corresponding upright.
- each jaw has a stop part in the plane through the claw parts, that the passage opening of each jaw is formed at a distance with respect to the stop part of the jaw, that the jaw, viewed in the vertical position of use of the construction member, has a space above the upper limitation of the passage opening, that the height of an upper projection is larger than the height of the passage opening of the jaw of the corresponding upper claw part, and that the distance between the upper limitations of the jaws of two claw parts mounted above each other is smaller than the distance between the top edges of the corresponding projections.
- the said minimum angle can then be chosen simply and relatively large, for example 30°-60°, by choosing suitable dimensions of the different parts of the system, for example by choosing a certain height for one upper projection.
- the construction member Only if the vertical displacement is carried out to such an extent that the lower projections are below the upper limitations of the passage openings of the respective jaws, can the construction member be rotated into the position having the said minimum angle or further after which the member can be uncoupled from the upper projections by obliquely displacing upwards.
- the coupling system requires no additional means of locking to prevent unintentional rotation of the construction member from the vertical position about an axis through the upper projections. As a result of this a coupling system is obtained which offers a very good safeguard against unintentional uncoupling of a construction part from the uprights. This forms a very important advantage when the construction member is used as a scaffold railing.
- the construction member When the construction member is then in a vertical position, it can be lowered down so that all the hooks will be inserted in the respective tubular members.
- the construction member in this known coupling system can, however, be rotated in both directions from the plane through the standards. Especially if the construction member is a scaffold railing, this forms a serious drawback since during the rotation persons may fall down from the scaffolding below the railing.
- the scaffold construction shown in front view of Figure 1 consists of a number of uprights 2, to which horizontally extending ledgers are fastened.
- a railing 4 is therefore disposed at the required points between two uprights 2.
- the railing 4 according to the invention which is shown in Figure 1, consists of a number of horizontal lengths of tubing 5, which are held a specified distance apart by cross members 6 fastened to the lengths of tubing 5.
- all four ends of the lengths of tubing 5 are provided with identical claw parts 7, which are shown on a larger scale in Figure 2.
- the uprights 2 are provided, opposite the claw parts 7 of the railing 4 which is to be coupled to the uprights 2, with an upper coupling part 8 and a lower coupling part 9, these parts also being shown on a larger scale in Figure 2.
- the upper and lower coupling parts 8, 9 have different dimensions.
- the claw parts and the coupling parts 8 are of symmetrical construction relative to the plane through the lengths of tubing 5, with the exception of a chamfer on the coupling part 8.
- a claw part 7 thus has two jaws 10 which are separted by a vertical extending stop part 11, which on each side has a stop surface 12.
- a bottom part 13 At the bottom edge of the stop part 11 is formed a bottom part 13 directed perpendicularly to it.
- a relatively short downwardly extending flange 14 At a distance from each stop surface 12 is formed a relatively short downwardly extending flange 14, so that an opening is provided between the bottom edge of the flange 14 and the top edge of the bottom part 13.
- the coupling parts 8, are each provided with at least one projection 15, 16 respectively, directed towards the respective claw part 7.
- the ends of the projections 15, 16 are provided with blocking parts 17 and 18 respectively, which are directed at right angles to the projections 15, 16.
- the height of the projection 15 and of the blocking part 17 of the coupling part 8 is greater than the distance between the bottom edge of the flange 14 and the bottom part 13, but smaller than the height of the stop part 11.
- the height of the projection 16 and of the blocking part 18 of the bottom coupling part 9 is almost equal to but slightly smaller than the distance between the bottom edge of the flange 14 and the bottom part 13.
- the distance between the top edge of the projection 15 of the upper coupling part 8 and that of the lower coupling part 9 is greater than the distance between the carrier faces of the bottom parts 13 of the upper and lower claw parts 7. In the embodiment illustrated this difference in distance is approximately equal to half the height of the flanges 14.
- the minimum angle required in order to bring the projection 15 together with the blocking part 17 of an upper coupling part inside the jaw 10 of an upper claw part 7 can be determined by appropriate selection of the dimensions of the coupling part 8 and of the claw part 7, and preferably amounts to at least 30°. This minimum angle is dependent, inter alia, on the width of the bottom part 13 and the width of the blocking part 17.
- the projections 15, 16, together with the locking parts 17, 18, are formed on a coupling part 8 or 9, they can easily be mounted in accurately determined positions on the uprights 2, for example by welding or by means of rivets.
- Figure 3 shows on a larger scale a part of the scaffold shown in Figure 1, and in particular part of the coupling system according to the invention, viewed from the scaffold, the railing being in the position of rest, coupled to the scaffold 1.
- Figures 4a, b, c, d show, in section along the line IV-IV in Figure 3, the steps which must be taken in order to couple the railing 4 to the scaffold 1, or, in the reverse order, in order to remove the railing 4 from the scaffold 1.
- the railing 4 For the purpose of coupling, the railing 4 must, in a first phase, as shown in Figure 4a, be placed at a minimum angle relative to the plane through the respective set of uprights 2, so that the jaw 10 of the upper claw parts 7 can be hung over the respective projection 15 and the blocking part 17.
- the railing 4 can then be turned in the direction of the arrow 19 until, as shown in Figure 4b, the respective flange 14 of a lower claw part 7 strikes against the top edge of the projection 16 of the lower coupling part 9.
- the railing 4 When the railing 4 is then raised relative to the projections 15, 16, as shown in Figure 4c, the railing 4 can be turned further in the direction of the arrow 19 to bring the projection 16 of the lower coupling part 9 into the respective jaw of the lower claw part 7. When the railing 4 is then lowered, it will be in the position of use, coupled to the scaffold 1, as shown in Figure 4d.
- the coupling system is of symmetrical construction in relation to the plane through the lengths of tubing 5 of the railing 4, that is to say because it has a jaw 10 on each side of a stop part 11, there will be no problems in connection with the positioning of the railing 4 during the installation of the latter.
- the flanges 14 taper in the plane of the railing 4 in the downward direction, and the blocking parts 17, 18 have chamfers corresponding thereto. The effect is thereby achieved that the railing 4, on being installed on the scaffold 1, will have more clearance in the horizontal direction in the plane of the railing 4 than in the position of use of the railing 4. The railing 4 can thus be rapidly installed, while in the position of use it is substantially free from vibration.
- the coupling parts 8, 9 are simpler to manufacture than the claw parts of the kind illustrated, all the claw parts of the coupling system are preferably identical and the coupling parts 8, 9 have the different dimensions mentioned above. Nevertheless, the coupling system according to the invention may even be constructed with different claw parts as well as with different coupling parts.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Mechanical Operated Clutches (AREA)
- Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Emergency Lowering Means (AREA)
- Toys (AREA)
Abstract
Description
- The invention relates to a coupling system for detachably coupling a construction member to and between two uprights, which comprises three or four claw parts which are attached to the construction member in the corners of a rectangle, and projections which are mounted on the uprights at suitable points for interacting with the claw parts, each claw part having a jaw with a passage opening which can allow a projection through and the projections and jaws being so shaped that the upper claw parts of the construction member can be fitted over the upper projections only in an inclined position, in which position the plane of the rectangle through the claw parts makes a minimum angle or more with the plane through the uprights, and the construction member is rotatable about a horizontal axis through the upper claw parts and projections, between the inclined position with the minimum angle and a vertical position in which each of the lower claw parts can receive a lower projection.
- A coupling system of this type is known from the published French Patent Application FR-A-2,404,723. The construction member may have various designs and uses, but is intended in particular for use in a scaffold, for example as a support for a planking or as a railing.
- In the known system the projections consist of round pins which each have a circumferential flange at the extremities thereof. Each claw part is formed by a tubular member, the centre line of which coincides with the centre line of the corresponding pin when the construction member is coupled to the uprights. The inside diameter of the tubular member is equal to or somewhat greater than the outside diameter of the corresponding pin. At a distance from the extremity of each tubular member a circular recess is formed on the inside edge, the centre line of which coincides with the centre line of the tubular member and the dimensions of which match those of the flange of the corresponding pin. Each tubular member has an open circumferential part so that the cross-section thereof has essentially a U shape and describes a circular arc of approximately 240°. This open part of the tubular member forms the passage opening of the jaw formed by a tubular member. When the construction member is coupled to the uprights, the passage opening of the jaw of each upper claw part lies in a horizontal plane at a small distance below the centre line of the corresponding pin. When the construction member is coupled to the uprights, the passage opening of the jaw of each lower claw part lies in a vertical plane at a short distance from the centre line of the corresponding pin. From this position of the construction member the member can be rotated about an axis through the centre line of the upper projections in one direction so that the lower claw parts are released from the lower pins and the member can be moved obliquely upwards after a minimum angle with respect to the plane through the pins has been exceeded so that the upper claw parts are released from the upper pins. For the purpose of attaching the construction member these steps must be carried out in the reverse order.
- French Patent Application FR-A-2,404,723 in addition proposes locking means which counteract rotation of the construction member about an axis through the centre lines of the upper pins when the construction member is coupled to the standards and the lower claw parts engage round the lower pins.
- The known system has the drawback that to counteract accidental rotation of the construction member additional means of locking are necessary. Another important drawback is that as a result of the small thickness of the pins with respect to the distance between two pins mounted above each other, the said minimum angle for the inclined movement upwards of the construction member is small. These drawbacks are particularly serious when the construction member is a railing which has to be coupled to the uprights of a scaffold. For detachably coupling a railing to a scaffold it is in particular desired that as few components as possible are necessary for this purpose and that unintentional detachment of the railing from the uprights as a result of unwitting incorrect operations by persons working on the scaffold must be prevented as far as possible even if the separate locking means are not fitted.
- In addition, especially if the construction member is a scaffolding railing, the locking means in the known coupling system consist of a U-profiled part which can be fitted over an upright and which has dimensions such that between parts of the flanges thereof movement with as small amount of play is possible over a lower pin with a claw part coupled thereto, and that by means of a cutout formed on the U-profiled part suspension is possible on a pin specially mounted for the purpose on the corresponding upright. By using the known means of locking it is not possible to mount pins at an equal height on either side of a standard for the purpose of coupling the claw parts of two construction members thereto on either side of the said standard.
- The object of the invention is to remove the drawbacks of the known coupling system. The intended object is achieved in that each jaw has a stop part in the plane through the claw parts, that the passage opening of each jaw is formed at a distance with respect to the stop part of the jaw, that the jaw, viewed in the vertical position of use of the construction member, has a space above the upper limitation of the passage opening, that the height of an upper projection is larger than the height of the passage opening of the jaw of the corresponding upper claw part, and that the distance between the upper limitations of the jaws of two claw parts mounted above each other is smaller than the distance between the top edges of the corresponding projections.
- The said minimum angle can then be chosen simply and relatively large, for example 30°-60°, by choosing suitable dimensions of the different parts of the system, for example by choosing a certain height for one upper projection. When the construction member is coupled to the uprights, under which circumstances the upper and/or lower claw parts rest on the corresponding projections, the projections are at least partially received in the space obliquely above the passage opening of the respective jaw. As a result of this the construction member cannot be displayed sideways, transversely to the plane through the claw parts. Depending on the height of the said spaces near the passage openings of the jaws, after it has been coupled to the standards, the construction member can be displaced vertically. Only if the vertical displacement is carried out to such an extent that the lower projections are below the upper limitations of the passage openings of the respective jaws, can the construction member be rotated into the position having the said minimum angle or further after which the member can be uncoupled from the upper projections by obliquely displacing upwards. In addition, the coupling system requires no additional means of locking to prevent unintentional rotation of the construction member from the vertical position about an axis through the upper projections. As a result of this a coupling system is obtained which offers a very good safeguard against unintentional uncoupling of a construction part from the uprights. This forms a very important advantage when the construction member is used as a scaffold railing.
- An additional safeguard is obtained if on one side or on both sides in relation to a plane of symmetry through the projections, locking parts are formed at the extremities of the projections which can engage behind corresponding parts of the claw parts. This counteracts horizontal displacement of the construction member in the vertical position thereof.
- By chamfering certain edges of the projections and of the claw parts it is possible to achieve the result that the distance between the standards is not critical and/orthe construction member can be coupled to the standards in a clamping manner vibration-free.
- It is noted that a coupling system is known from German Published Patent Application DE-A-2,333,957 in which projections tapering downwards designed as hooks are mounted in the corners of a rectangle on the construction member and which can be inserted from above in corresponding tubular members mounted on the standards. The top edge of the lower hookforms a stop which, afterthe construction member is coupled to the standards, strikes against the bottom edge of the corresponding upper tubular member during a small vertical displacement. As a result the upper hooks of the construction member can only be inserted in the upper tubular members from a certain inclined position with respect to a plane through the standards and can then be rotated. When the construction member is then in a vertical position, it can be lowered down so that all the hooks will be inserted in the respective tubular members. When the upper hooks are inserted in the corresponding tubular members but the lower ones are not, the construction member in this known coupling system can, however, be rotated in both directions from the plane through the standards. Especially if the construction member is a scaffold railing, this forms a serious drawback since during the rotation persons may fall down from the scaffolding below the railing.
- The invention will be explained more fully with the aid of the drawings, in which:
- Figure 1 is a front view of a scaffold with a detachable railing, to which the coupling system according to the invention is applied;
- Figure 2 shows on a larger scale the claw parts of the coupling system with different top and bottom coupling parts provided with projections;
- Figure 3 shows on a larger scale a part of the coupling system shown in Figure 1;
- Figures 4a, b, c, d show a section along the line IV-IV in Figure 3, with the railing in different positions before it is coupled to or uncoupled from the scaffold.
- The scaffold construction shown in front view of Figure 1 consists of a number of
uprights 2, to which horizontally extending ledgers are fastened. - In the plane of the
ledgers 3 planking, optionally supported on theledgers 3, can be installed, so that work can be done at a great height above the ground. In order to protect personnel, arailing 4 is therefore disposed at the required points between twouprights 2. - The
railing 4 according to the invention, which is shown in Figure 1, consists of a number of horizontal lengths oftubing 5, which are held a specified distance apart bycross members 6 fastened to the lengths oftubing 5. In the embodiment illustrated all four ends of the lengths oftubing 5 are provided withidentical claw parts 7, which are shown on a larger scale in Figure 2. - The
uprights 2 are provided, opposite theclaw parts 7 of therailing 4 which is to be coupled to theuprights 2, with anupper coupling part 8 and alower coupling part 9, these parts also being shown on a larger scale in Figure 2. In the embodiment illustrated of the coupling system according to the invention, which has fouridentical claw parts 7, the upper andlower coupling parts - As illustrated in Figure 2, the claw parts and the
coupling parts 8, are of symmetrical construction relative to the plane through the lengths oftubing 5, with the exception of a chamfer on thecoupling part 8. Aclaw part 7 thus has twojaws 10 which are separted by a vertical extendingstop part 11, which on each side has astop surface 12. At the bottom edge of thestop part 11 is formed abottom part 13 directed perpendicularly to it. At a distance from eachstop surface 12 is formed a relatively short downwardly extendingflange 14, so that an opening is provided between the bottom edge of theflange 14 and the top edge of thebottom part 13. - The
coupling parts 8, are each provided with at least oneprojection respective claw part 7. The ends of theprojections parts projections projection 15 and of the blockingpart 17 of thecoupling part 8 is greater than the distance between the bottom edge of theflange 14 and thebottom part 13, but smaller than the height of thestop part 11. The height of theprojection 16 and of the blockingpart 18 of thebottom coupling part 9 is almost equal to but slightly smaller than the distance between the bottom edge of theflange 14 and thebottom part 13. The distance between the top edge of theprojection 15 of theupper coupling part 8 and that of thelower coupling part 9 is greater than the distance between the carrier faces of thebottom parts 13 of the upper andlower claw parts 7. In the embodiment illustrated this difference in distance is approximately equal to half the height of theflanges 14. - When the
projections corresponding claw parts 7, the displacement of the lengths oftubing 5 in the plane of therailing 4 in horizontal direction is counteracted because the blockingparts stop part 11 and the length oftubing 5 and a passage formed between theflange 14 and the length oftubing 5. - The minimum angle required in order to bring the
projection 15 together with the blockingpart 17 of an upper coupling part inside thejaw 10 of anupper claw part 7 can be determined by appropriate selection of the dimensions of thecoupling part 8 and of theclaw part 7, and preferably amounts to at least 30°. This minimum angle is dependent, inter alia, on the width of thebottom part 13 and the width of theblocking part 17. - Because the
projections locking parts coupling part uprights 2, for example by welding or by means of rivets. - Figure 3 shows on a larger scale a part of the scaffold shown in Figure 1, and in particular part of the coupling system according to the invention, viewed from the scaffold, the railing being in the position of rest, coupled to the
scaffold 1. - Figures 4a, b, c, d show, in section along the line IV-IV in Figure 3, the steps which must be taken in order to couple the
railing 4 to thescaffold 1, or, in the reverse order, in order to remove therailing 4 from thescaffold 1. - For the purpose of coupling, the
railing 4 must, in a first phase, as shown in Figure 4a, be placed at a minimum angle relative to the plane through the respective set ofuprights 2, so that thejaw 10 of theupper claw parts 7 can be hung over therespective projection 15 and the blockingpart 17. Therailing 4 can then be turned in the direction of thearrow 19 until, as shown in Figure 4b, therespective flange 14 of alower claw part 7 strikes against the top edge of theprojection 16 of thelower coupling part 9. - When the
railing 4 is then raised relative to theprojections railing 4 can be turned further in the direction of thearrow 19 to bring theprojection 16 of thelower coupling part 9 into the respective jaw of thelower claw part 7. When therailing 4 is then lowered, it will be in the position of use, coupled to thescaffold 1, as shown in Figure 4d. - In the position of use of the
railing 4, it can be displaced only a short distance vertically, and only a negligible distance in the direction at right angles to the plane through therailing 4. Even if therailing 4 is successively brought into the positions shown in Figures 4d, 4c, 4b, there will be no danger to personnel working on thescaffold 1, because therailing 4 can be removed only in the inclined position of theupper projections 15 shown in Figure 4a. - Because the coupling system is of symmetrical construction in relation to the plane through the lengths of
tubing 5 of therailing 4, that is to say because it has ajaw 10 on each side of astop part 11, there will be no problems in connection with the positioning of therailing 4 during the installation of the latter. - The
flanges 14 taper in the plane of therailing 4 in the downward direction, and the blockingparts railing 4, on being installed on thescaffold 1, will have more clearance in the horizontal direction in the plane of therailing 4 than in the position of use of therailing 4. Therailing 4 can thus be rapidly installed, while in the position of use it is substantially free from vibration. - Since the
coupling parts coupling parts
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85201547T ATE31567T1 (en) | 1984-10-01 | 1985-09-25 | DEVICE FOR THE REMOVABLE FIXING OF RECTANGULAR CONSTRUCTION ELEMENTS TO AND BETWEEN TWO POSTS, PARTICULARLY FOR SCAFFOLDING RAILINGS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8402996 | 1984-10-01 | ||
NL8402996A NL8402996A (en) | 1984-10-01 | 1984-10-01 | COUPLING SYSTEM FOR REMOVABLE INSTALLATION OF A SCAFFOLDING RAIL. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0180260A1 EP0180260A1 (en) | 1986-05-07 |
EP0180260B1 true EP0180260B1 (en) | 1987-12-23 |
Family
ID=19844543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85201547A Expired EP0180260B1 (en) | 1984-10-01 | 1985-09-25 | Coupling system for detachably coupling a substantially rectangular construction member to and between a pair of uprights, in particular a railing to a scaffold |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0180260B1 (en) |
AT (1) | ATE31567T1 (en) |
DE (1) | DE3561254D1 (en) |
DK (1) | DK155891C (en) |
NL (1) | NL8402996A (en) |
NO (1) | NO161868C (en) |
ZA (1) | ZA857489B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2063679B1 (en) * | 1993-02-08 | 1998-04-01 | Diez Valbuena Saul | PERFECTED SCAFFOLD. |
NL1000891C2 (en) * | 1995-07-27 | 1997-01-28 | Sgb Holdings | Scaffolding construction as well as a method for mounting the scaffolding construction. |
DE10111976A1 (en) * | 2001-03-13 | 2002-09-19 | Peri Gmbh | Demountable scaffolding, railing element therefor and method for attaching several railing elements |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE408219B (en) * | 1977-10-03 | 1979-05-21 | Haefla Bruks Ab | CONNECTION DEVICE FOR LOOSE CONNECTION OF TWO ELEMENTS |
-
1984
- 1984-10-01 NL NL8402996A patent/NL8402996A/en not_active Application Discontinuation
-
1985
- 1985-09-25 AT AT85201547T patent/ATE31567T1/en not_active IP Right Cessation
- 1985-09-25 DE DE8585201547T patent/DE3561254D1/en not_active Expired
- 1985-09-25 EP EP85201547A patent/EP0180260B1/en not_active Expired
- 1985-09-27 ZA ZA857489A patent/ZA857489B/en unknown
- 1985-09-30 DK DK441885A patent/DK155891C/en not_active IP Right Cessation
- 1985-10-01 NO NO853888A patent/NO161868C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ZA857489B (en) | 1986-06-25 |
NO161868B (en) | 1989-06-26 |
DK441885D0 (en) | 1985-09-30 |
DK155891C (en) | 1989-11-13 |
NL8402996A (en) | 1986-05-01 |
DE3561254D1 (en) | 1988-02-04 |
DK441885A (en) | 1986-04-02 |
EP0180260A1 (en) | 1986-05-07 |
DK155891B (en) | 1989-05-29 |
NO853888L (en) | 1986-04-02 |
ATE31567T1 (en) | 1988-01-15 |
NO161868C (en) | 1989-10-04 |
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