EP0173385B1 - Store accessory for a step-ladder - Google Patents
Store accessory for a step-ladder Download PDFInfo
- Publication number
- EP0173385B1 EP0173385B1 EP85201287A EP85201287A EP0173385B1 EP 0173385 B1 EP0173385 B1 EP 0173385B1 EP 85201287 A EP85201287 A EP 85201287A EP 85201287 A EP85201287 A EP 85201287A EP 0173385 B1 EP0173385 B1 EP 0173385B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ladder
- extension part
- channels
- store accessory
- basic part
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/14—Holders for pails or other equipment on or for ladders
Definitions
- the invention relates to a store accessory intended for a stepladder and having two parallel guide channels formed at the ends of a cross- piece, the channels having cross-sections which are suitable for step-ladder uprights to pass through and be guided in, but which are smaller than those of projections present at some distance from the extremities of the uprights of a step-ladder, the cross piece being suitable to carry thereupon or store therein objects.
- German patent specification DE-A-2,536,329 discloses a store accessory of this type.
- the guide channels for the step-ladder uprights of concern form a single channel limited by the double-walled rear side, being open on the top and at the bottom, of a crosspiece in the form of a tray.
- intermediate parts of the double wall of the rear side of the crosspiece are formed against one another such that this embodiment is not suited to be used for a step-ladder having a bracket interconnecting the upper ends of the uprights.
- the known store accessory has the drawback that it is not possible to properly put away a step- ladder jointly with the store accessory fitted thereon in a readily usable manner.
- the store accessory portion destined for keeping objects will dangerously project in the direction of the user, or will give the step-ladder a position which is unstable and/or takes up a lot of space.
- the store accessory could have small dimensions in a direction normal to the plane through the uprights of the step-ladder. This is undesirable, however, if the objects to be placed into or upon the store accessory are to be in a sufficiently large number or of a sufficiently large size.
- the object of the invention is to eliminate the drawbacks of the known store accessory.
- the store accessory of the invention distinguishes itself from the known store accessory in that the cross-piece consists of a basic part and an extension part, the basic part comprising the guide channels and a. coupling part interconnecting the channels, said basic part and said extension part having such hinge means, which co-operate with one another and which have a pivoting axis running perpendicular to both channels, that the extension part can be swung between a position for actual use of the extension part and an out of use position in which the part extends substantially in parallel to a plane through the channels.
- the extension part thereof When putting away a step-ladder having a store accessory fitted thereon, the extension part thereof can be turned up against the uprights of the step-ladder, so that it will not form a dangerously projecting part, while taking up, together with the step-ladder, a little space. Nonetheless the store accessory can have, depending on the dimensions of the extension part in particular, a very large carrying surface for objects to be placed thereon.
- the pivoting means are suitable for coupling the extension part to the basic part in a detachable manner.
- This makes it possible to utilize only the basic part for keeping objects or to choose from several different extension parts each capable of being coupled to the same basic part in a detachable manner.
- the various extension parts can then be adapted to the shape of specific objects often employed by the user, such as containers and tools.
- the pivoting means, the basic part and an extension part to be detachably connected to the basic part preferably are such that disconnecting the extension part from the basic part is prevented when the basic part rests on the projections of the step-ladder uprights.
- the figures 1 and 2 show a portion of a step- ladder 1 having a pair of uprights 2 and another pair of uprights 3 fastened to the uprights 2 by means of hinges 4 at a distance from the upper extremities of the uprights 2.
- a number of steps, not shown, are fixed to the uprights 2.
- a platform 5 is hinged to both the pair of uprights 2 and the pair of uprights 3. This affords bringing the step- ladder from the collapsed position as shown in Fig. 1 b to the position when spread or being used as shown in Figs. 1a and 2a-2b. In the spread pcsition the user can employ the platform 5 by way of uppermost step.
- the platform 5 has also been used, however, for placing thereupon objects, such as tools, components and containers of materials to be used. Consequently, the stepladder 1 is often used in an inefficient and unsafe manner.
- step-ladder 1 As per Figs. 1 and 2 is provided with a store accessory according to the invention generally indicated by the reference numeral 6.
- the store accessory 6 consists of a basic part 7 and a pivotable extension part 8 detachably connected to the basic part 7.
- the basic part 7 comprises an oblong coupling part 9 and a pair of sleeves 10 provided with passage means 11 and fixed to the extremities of the coupling part 9.
- the spacing between the sleeves 10 and the dimension of each passage 11 parallel to the plane through the uprights 2 are so chosen as to afford the sleeves 10 to be slid over the upper portions of a pair of uprights 2 of a standardized step-ladder 1.
- the other, orthogonal dimension of the passages 11 is at least equal to the corresponding, non-standardized most frequently used dimension for the uprights 2.
- the sleeves 10 have been slid so far over the upper portions of the uprights 2 that they are supported by the hinges 4.
- the coupling part 9 and the extension part 8 joined thereto then form a carrying part of the store accessory 6 for different objects to be placed therein or thereupon.
- the sleeves 10 and the adjusting elements 12 may be provided with means suitable for obtaining a snap connection between a sleeve 10 and an adjusting element 12 so that a long period of using safely the store accessory 6 can be ensured.
- the coupling part 9 of the basic part 7, which can also be used in co-operation with the step- ladder 1 without the extension part 8 being added, may be provided with a recessed portion 13 and several openings 14,15,16 formed therein having raised edges, as shown in Figs. 3 and 4.
- the recessed portion 13 can be utilized for storing smaller components therein, thus preventing them from rolling off, and the openings 16 can be utilized for keeping tools therein.
- Each of the extremities of the coupling part 9 is provided with a supporting part with a bearing face 17. At some distance above the bearing face 17 and at some distance from the side of the coupling part 9, to which the extension part 8 can be connected, there is provided a hinge bar 18, the longitudinal axis of which runs parallel to the plane through the uprights 2.
- the bearing faces 17 and the hinge bars 18 at each of the extremities of the coupling part 9 enable the extension part 8 to be hinged to the basic part 7 in a detachable manner.
- the extension part 8 has substantially the shape of a plate with a recessed area 19 wherein it is possible to place, for example, a bucket containing material to be used.
- the store accessory is made inexpensively of plastic and with thin walls, reinforcing ribs, such as 20, may be formed.
- the extension part 8 has a pair of coupling pieces 21 each capable of engaging a hinge bar 18 of a basic part 7 and of resting on the pertinent bearing face 17 of the basic part 7.
- each coupling piece 21 is provided with three projecting plate members 22, the bottom part of the respective extremities of which is rounded and the upper parts of which have a bearing 23 formed therein for the hinge bars 18 of the basic part 7.
- Inserting the coupling pieces 21 into the basic part 7 or removing same from the basic part 7 can only be effected if, for the extension part 8 to be able to reach said inclined position, it is not blocked by parts of the step-ladder 1.
- the basic part 7 must have been slid in an upward position.
- the bars 18 have lower stop edges 24 co-operating with flexible lips 25 provided in the bearings 23.
- the bars 24 and the bearings 23 are also provided with cams 27 and 28, respectively.
- the stop edges 24, the lips 25 and the cams 27 and 28 are provided so as to enable the extension part 8 to be securely locked onto the basic part 7.
- Fig. 8 partly shows the store accessory 6 as viewed in the direction indicated by IV-IV in Fig. 3. Said figure provides a view of the support of the basic part 7 and of the manner in which an adjusting piece 12 is used.
- a container 29, shown partly and in section, is placed on the bottom of the recess 19 of the extension part 8.
- Fig. 9 is a cross-sectional view of a portion of a sleeve 10' of another embodiment 7' of the basic part.
- the plane of the cross-section shown in Fig. 9 runs parallel to the plane of cross-section of the basic part 7 shown in Fig. 5, but centrally between the pair of cams 27 of the hinge bar 18 concerned.
- a wall 30 is formed which is inclined with respect to the plane through the uprights 2 of the step-ladder 1 and which centrally has a vertical groove 31.
- An adjusting element formed by a wedge 32 constituting an alternative to the adjusting element 12 has a rib 33 which can be received into the groove 31, so that the wedge 32 can slide roughly in vertical direction into and out of the guide channel 14.
- the basic part 10' suitable to be used for different step-ladders 1 with different thicknesses of the uprights 2 perpendicular to the plane through the uprights.
- the bottom part of the wedge 32 can rest on the corresponding hinge 4 of the step-ladder 1.
- Figs. 11-13 show an alternative embodiment 34 to the wedge 32 shown in Fig. 9 and 10.
- the wedge 34 comprises a number of partial wedges 34a, 34b, 34c Vietnamese which each have a corresponding rib 35a, 35b, 35c Vietnamese , respectively, and which are interconnected by means of tear strips or breaking edges 36a, 36b Vietnamese which can be broken by the user, so that the user can utilize a portion of the original undivided wedge 34.
- the groove 31 of the inclined wall 30 of the basic part 7' then has correspondingly inclined walls abutting against the rib 35 concerned.
- the wedge 34 can be used easily in conjunction with the basic part 7', thus practically preventing it from getting lost, and not getting tilt within the guide channel 11.
- Both the basic part 7 and the extension part 8 can be adapted to specific objects to be placed therein or thereupon.
- the basic part 7 can be selected from several different basic parts and the extension part 8 can be selected from several different extension parts 8.
- the principal advantages of the store accessory according to the invention are that by using same the step-ladder can be safely employed in an efficient manner.
- the safety aspect applies to both the user and to protecting objects from falling down.
- the store accessory can be slid on practically any standardized ladder without the aid of tools. Even if provided with a pivotable extension part 8, it takes up just a little extra space when the ladder is not being used.
- the store accessory of the invention can also be employed for step-ladders or ladders of a type other than that shown in the figures, for example, of a type without a bracket interconnecting the upper extremities of the uprights.
Abstract
Description
- The invention relates to a store accessory intended for a stepladder and having two parallel guide channels formed at the ends of a cross- piece, the channels having cross-sections which are suitable for step-ladder uprights to pass through and be guided in, but which are smaller than those of projections present at some distance from the extremities of the uprights of a step-ladder, the cross piece being suitable to carry thereupon or store therein objects.
- German patent specification DE-A-2,536,329 discloses a store accessory of this type. In the known store accessory, the guide channels for the step-ladder uprights of concern form a single channel limited by the double-walled rear side, being open on the top and at the bottom, of a crosspiece in the form of a tray. In another embodiment of the known store accessory, intermediate parts of the double wall of the rear side of the crosspiece are formed against one another such that this embodiment is not suited to be used for a step-ladder having a bracket interconnecting the upper ends of the uprights.
- The known store accessory has the drawback that it is not possible to properly put away a step- ladder jointly with the store accessory fitted thereon in a readily usable manner. Depending on the position of the step-ladder when stored, for example in a closet, the store accessory portion destined for keeping objects will dangerously project in the direction of the user, or will give the step-ladder a position which is unstable and/or takes up a lot of space. In order to avoid these problems, the store accessory could have small dimensions in a direction normal to the plane through the uprights of the step-ladder. This is undesirable, however, if the objects to be placed into or upon the store accessory are to be in a sufficiently large number or of a sufficiently large size.
- The object of the invention is to eliminate the drawbacks of the known store accessory.
- To this end, the store accessory of the invention distinguishes itself from the known store accessory in that the cross-piece consists of a basic part and an extension part, the basic part comprising the guide channels and a. coupling part interconnecting the channels, said basic part and said extension part having such hinge means, which co-operate with one another and which have a pivoting axis running perpendicular to both channels, that the extension part can be swung between a position for actual use of the extension part and an out of use position in which the part extends substantially in parallel to a plane through the channels. This affords the store accessory to have relatively small dimensions in a direction normal to the plane through the uprights of the step ladder. When putting away a step-ladder having a store accessory fitted thereon, the extension part thereof can be turned up against the uprights of the step-ladder, so that it will not form a dangerously projecting part, while taking up, together with the step-ladder, a little space. Nonetheless the store accessory can have, depending on the dimensions of the extension part in particular, a very large carrying surface for objects to be placed thereon.
- Preferably, the pivoting means are suitable for coupling the extension part to the basic part in a detachable manner. This makes it possible to utilize only the basic part for keeping objects or to choose from several different extension parts each capable of being coupled to the same basic part in a detachable manner. The various extension parts can then be adapted to the shape of specific objects often employed by the user, such as containers and tools.
- The pivoting means, the basic part and an extension part to be detachably connected to the basic part preferably are such that disconnecting the extension part from the basic part is prevented when the basic part rests on the projections of the step-ladder uprights.
- The invention is explained with reference to the drawing.
- In the drawing:
- Fig. 1a is a perspective view of a portion of a step-ladder provided with a preferred embodiment of the store accessory according to the invention in a position as used;
- Fig. 1 b is a side view of a portion of the step- ladder and the store accessory as per Fig. 1a in a position when not being used;
- Figs. 2a-2b are perspective views of the manner in which a basic part of the store accessory of Fig. 1 is used;
- Fig. 3 is a top view of the basic part of Fig. 2;
- Fig. 4 is a cross-sectional view of the basic part taken along the line IV-IV of Fig. 3;
- Fig. 5 is a cross-sectional view of the basic part taken along the line V-V of Fig. 3;
- Fig. 6 is a top view of the extension part to be connected to the basic part of the store accessory of Fig. 1;
- Fig. 7 is a cross-sectional view of the extension part taken along the line VII-Vil of Fig. 6;
- Fig. 8 is a view partly in section of the coupling part of the extension part to the basic part of the store accessory as per Fig. 1;
- Fig. 9 is a cross-sectional view of another embodiment of the basic part through the plane of symmetry of a sleeve of a basic part parallel to a plane as of cross-section in Fig. 5;
- Fig. 10a, 10b are a side view and a front view, respectively, of the wedge shown in Fig. 9;
- Fig. 11 a, 11 b, 11c are a side view, a front view and a bottom view, respectively, of another embodiment of an adjusting wedge;
- Fig. 12 is cross-sectional view of the wedge shown in Fig. 11 as taken along the line XII-XII, through the top of the wedge; and
- Fig. 13 is a view of a detail on an enlarged scale of the wedge shown in the figures 11 and 12.
- The figures 1 and 2 show a portion of a step- ladder 1 having a pair of
uprights 2 and another pair ofuprights 3 fastened to theuprights 2 by means ofhinges 4 at a distance from the upper extremities of theuprights 2. A number of steps, not shown, are fixed to theuprights 2. Aplatform 5 is hinged to both the pair ofuprights 2 and the pair ofuprights 3. This affords bringing the step- ladder from the collapsed position as shown in Fig. 1 b to the position when spread or being used as shown in Figs. 1a and 2a-2b. In the spread pcsition the user can employ theplatform 5 by way of uppermost step. Thus far, theplatform 5 has also been used, however, for placing thereupon objects, such as tools, components and containers of materials to be used. Consequently, the stepladder 1 is often used in an inefficient and unsafe manner. - In order to remove the drawbacks that have been occurring hitherto when employing the step-ladder 1, said step-ladder 1 as per Figs. 1 and 2 is provided with a store accessory according to the invention generally indicated by the
reference numeral 6. - The
store accessory 6 consists of abasic part 7 and apivotable extension part 8 detachably connected to thebasic part 7. - As seen in Fig. 3, the
basic part 7 comprises anoblong coupling part 9 and a pair ofsleeves 10 provided with passage means 11 and fixed to the extremities of thecoupling part 9. The spacing between thesleeves 10 and the dimension of eachpassage 11 parallel to the plane through theuprights 2 are so chosen as to afford thesleeves 10 to be slid over the upper portions of a pair ofuprights 2 of a standardized step-ladder 1. The other, orthogonal dimension of thepassages 11 is at least equal to the corresponding, non-standardized most frequently used dimension for theuprights 2. - As seen in Figs. 1 and 2, the
sleeves 10 have been slid so far over the upper portions of theuprights 2 that they are supported by thehinges 4. Thecoupling part 9 and theextension part 8 joined thereto then form a carrying part of thestore accessory 6 for different objects to be placed therein or thereupon. - Since it may be desirable that the
sleeves 10 cannot slide over theuprights 2 but with great resistance, and since it is often desirable for the carryingpart passage 11 and an upright 2. It is then possible to choose from different, conceivably wedge-shaped, adjustingelements 12 made in different sizes. - In addition, the
sleeves 10 and the adjustingelements 12 may be provided with means suitable for obtaining a snap connection between asleeve 10 and an adjustingelement 12 so that a long period of using safely thestore accessory 6 can be ensured. - The
coupling part 9 of thebasic part 7, which can also be used in co-operation with the step- ladder 1 without theextension part 8 being added, may be provided with arecessed portion 13 andseveral openings recessed portion 13 can be utilized for storing smaller components therein, thus preventing them from rolling off, and theopenings 16 can be utilized for keeping tools therein. - Each of the extremities of the
coupling part 9 is provided with a supporting part with a bearingface 17. At some distance above thebearing face 17 and at some distance from the side of thecoupling part 9, to which theextension part 8 can be connected, there is provided ahinge bar 18, the longitudinal axis of which runs parallel to the plane through theuprights 2. - The bearing faces 17 and the
hinge bars 18 at each of the extremities of thecoupling part 9 enable theextension part 8 to be hinged to thebasic part 7 in a detachable manner. - In the embodiment as shown, the
extension part 8 has substantially the shape of a plate with arecessed area 19 wherein it is possible to place, for example, a bucket containing material to be used. As preferably the store accessory is made inexpensively of plastic and with thin walls, reinforcing ribs, such as 20, may be formed. - The
extension part 8 has a pair ofcoupling pieces 21 each capable of engaging ahinge bar 18 of abasic part 7 and of resting on the pertinent bearingface 17 of thebasic part 7. To this effect, in the embodiment of thestore accessory 6 as shown, eachcoupling piece 21 is provided with three projectingplate members 22, the bottom part of the respective extremities of which is rounded and the upper parts of which have abearing 23 formed therein for thehinge bars 18 of thebasic part 7. - These features afford inserting the
coupling pieces 21 of theextension part 8 in an inclined position relative to thebasic part 7, in which case, after turning theextension part 8 with respect to thebasic part 7, thebars 18 are received into thebearings 23 and the lower edges of theplate members 22 are supported on the bearing faces 17. - Inserting the
coupling pieces 21 into thebasic part 7 or removing same from thebasic part 7 can only be effected if, for theextension part 8 to be able to reach said inclined position, it is not blocked by parts of the step-ladder 1. To this end, in the embodiment as shown, thebasic part 7 must have been slid in an upward position. Thebars 18 have lower stop edges 24 co-operating withflexible lips 25 provided in thebearings 23. Thebars 24 and thebearings 23 are also provided withcams lips 25 and thecams extension part 8 to be securely locked onto thebasic part 7. - Fig. 8 partly shows the
store accessory 6 as viewed in the direction indicated by IV-IV in Fig. 3. Said figure provides a view of the support of thebasic part 7 and of the manner in which anadjusting piece 12 is used. Acontainer 29, shown partly and in section, is placed on the bottom of therecess 19 of theextension part 8. - Fig. 9 is a cross-sectional view of a portion of a sleeve 10' of another embodiment 7' of the basic part. The plane of the cross-section shown in Fig. 9 runs parallel to the plane of cross-section of the
basic part 7 shown in Fig. 5, but centrally between the pair ofcams 27 of thehinge bar 18 concerned. In the guide channel orpassage 11 formed by the sleeve 10', awall 30 is formed which is inclined with respect to the plane through theuprights 2 of the step-ladder 1 and which centrally has avertical groove 31. An adjusting element formed by awedge 32 constituting an alternative to the adjustingelement 12 has arib 33 which can be received into thegroove 31, so that thewedge 32 can slide roughly in vertical direction into and out of theguide channel 14. Thus, the basic part 10' suitable to be used for different step-ladders 1 with different thicknesses of theuprights 2 perpendicular to the plane through the uprights. In use the bottom part of thewedge 32 can rest on thecorresponding hinge 4 of the step-ladder 1. - Figs. 11-13 show an
alternative embodiment 34 to thewedge 32 shown in Fig. 9 and 10. - In the embodiment as shown the
wedge 34 comprises a number ofpartial wedges corresponding rib edges undivided wedge 34. - As is especially apparent from Figs. 11b and 11c, the
ribs partial wedge groove 31 of theinclined wall 30 of the basic part 7' then has correspondingly inclined walls abutting against the rib 35 concerned. In this manner, thewedge 34 can be used easily in conjunction with the basic part 7', thus practically preventing it from getting lost, and not getting tilt within theguide channel 11. - It is to be noted that, within the scope of the invention, many modifications made in the embodiment of the store accessory as shown in the figures are possible. Both the
basic part 7 and theextension part 8 can be adapted to specific objects to be placed therein or thereupon. Thebasic part 7 can be selected from several different basic parts and theextension part 8 can be selected from severaldifferent extension parts 8. - The principal advantages of the store accessory according to the invention are that by using same the step-ladder can be safely employed in an efficient manner. The safety aspect applies to both the user and to protecting objects from falling down. The store accessory can be slid on practically any standardized ladder without the aid of tools. Even if provided with a
pivotable extension part 8, it takes up just a little extra space when the ladder is not being used. - In conclusion, it is to be noted that the store accessory of the invention can also be employed for step-ladders or ladders of a type other than that shown in the figures, for example, of a type without a bracket interconnecting the upper extremities of the uprights.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT85201287T ATE50820T1 (en) | 1984-08-28 | 1985-08-08 | SHELF FOR STEPLADDER. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8402618A NL8402618A (en) | 1984-08-28 | 1984-08-28 | STORAGE ATTACHMENT FOR A STAIRWAY. |
NL8402618 | 1984-08-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0173385A2 EP0173385A2 (en) | 1986-03-05 |
EP0173385A3 EP0173385A3 (en) | 1987-03-11 |
EP0173385B1 true EP0173385B1 (en) | 1990-03-07 |
Family
ID=19844376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85201287A Expired - Lifetime EP0173385B1 (en) | 1984-08-28 | 1985-08-08 | Store accessory for a step-ladder |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0173385B1 (en) |
AT (1) | ATE50820T1 (en) |
DE (1) | DE3576380D1 (en) |
NL (1) | NL8402618A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8615968D0 (en) * | 1986-06-30 | 1986-08-06 | Abru Aluminium Ltd | Tray for stepladder |
GB2251649B (en) * | 1991-01-09 | 1994-07-13 | Derek John Kay | An attachment for a hinged ladder |
US5913380A (en) * | 1995-03-30 | 1999-06-22 | C-6 Corporation | Ladder accessory |
FR2843995B1 (en) | 2002-08-30 | 2008-01-18 | Macc | SUPPORT TABLE WITH A VARIABLE CARRIER SURFACE EQUIPPED IN PARTICULAR LADDERS AND STAIRS |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1454750A (en) * | 1921-07-22 | 1923-05-08 | Flohic George Le | Adjustable ladder platform |
US2297883A (en) * | 1941-11-25 | 1942-10-06 | John J Glover | Adjustable ladder platform |
US2865546A (en) * | 1957-02-07 | 1958-12-23 | Myron H Shull | Support device for a stepladder |
US3313507A (en) * | 1966-02-15 | 1967-04-11 | Auselmo J Belli | Paint bucket hanger attachment for ladders |
NL7200919A (en) * | 1972-01-21 | 1973-07-24 | ||
DE2536329C3 (en) * | 1975-08-12 | 1979-02-01 | Horst 1000 Berlin Karrmann | Storage for work tools on metal ladders |
DE2944188A1 (en) * | 1979-11-02 | 1981-05-14 | Hans 5160 Düren Vogt | Ladder with ready to hand tools or materials - has table for hanging on household step ladders or double rung ladders |
-
1984
- 1984-08-28 NL NL8402618A patent/NL8402618A/en not_active Application Discontinuation
-
1985
- 1985-08-08 EP EP85201287A patent/EP0173385B1/en not_active Expired - Lifetime
- 1985-08-08 DE DE8585201287T patent/DE3576380D1/en not_active Expired - Fee Related
- 1985-08-08 AT AT85201287T patent/ATE50820T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE50820T1 (en) | 1990-03-15 |
EP0173385A3 (en) | 1987-03-11 |
DE3576380D1 (en) | 1990-04-12 |
NL8402618A (en) | 1986-03-17 |
EP0173385A2 (en) | 1986-03-05 |
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