EP0112804B1 - Anticollision road marker - Google Patents
Anticollision road marker Download PDFInfo
- Publication number
- EP0112804B1 EP0112804B1 EP83830250A EP83830250A EP0112804B1 EP 0112804 B1 EP0112804 B1 EP 0112804B1 EP 83830250 A EP83830250 A EP 83830250A EP 83830250 A EP83830250 A EP 83830250A EP 0112804 B1 EP0112804 B1 EP 0112804B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- portions
- road marker
- sleeves
- spring
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/631—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection specially adapted for breaking, disengaging, collapsing or permanently deforming when deflected or displaced, e.g. by vehicle impact
- E01F9/638—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection specially adapted for breaking, disengaging, collapsing or permanently deforming when deflected or displaced, e.g. by vehicle impact by connection of stud-and-socket type, e.g. spring-loaded
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/604—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
- E01F9/608—Upright bodies, e.g. marker posts or bollards; Supports for road signs specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings for guiding, warning or controlling traffic, e.g. delineator posts or milestones
- E01F9/61—Special features of delineator posts, e.g. with parts cantilevered toward the roadway or fixed vertically on a tilted surface
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/623—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection
- E01F9/627—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by form or by structural features, e.g. for enabling displacement or deflection self-righting after deflection or displacement
- E01F9/629—Traffic guidance, warning or control posts, bollards, pillars or like upstanding bodies or structures
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
- E01F9/60—Upright bodies, e.g. marker posts or bollards; Supports for road signs
- E01F9/658—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing
- E01F9/673—Upright bodies, e.g. marker posts or bollards; Supports for road signs characterised by means for fixing for holding sign posts or the like
- E01F9/685—Subsoil means, e.g. foundations
Definitions
- the present invention relates to a road edge marker of the type with a support for a reflector (cat's eye) which indicates the road way.
- US Application 4270873 describes a delineator pole according to the first part of claim 1 which pole pivots when a force is applied thereto and includes upper and lower segments joined together by a biasing spring. A shank is integrally joined to the spring and threaded to a nut locked on the tip of the pole.
- the spring system of this pole can not be adapted to poles of various shapes and lengths. Moreover, as the interior is hollow for accommodating the spring system, accumulation of impurities and deteriorating matter inside the pole can not be avoided.
- the present invention as characterised in claim 1 is directed to overcoming the problems set forth above.
- CH Application 451228 describes a flexible delineator pole consisting of an upper and lower segment joined together by a coiled spring which is compression stressed by a cable when the upper segment is tilted, so exerting a return force.
- This pole is so arranged as not to be sufficiently weatherproof and gives no assurance of resuming the correct position as extraneous matter could insinuate between the upper and lower segment.
- this problem is solved by means of a marker made of rigid material highly resistant to inclement weather, which gives offering no resistance in case of collision by a vehicle and returns exactly to the initial position automatically.
- the marker according to the invention is therefore made of less expensive material and can solve the problem posed above.
- the anticol- lision road edge marker comprises a reflector support of the tubular type divided into at least two portions connected by an elastic swivel joint comprising a first sleeve which is fixed coaxially and internally in a rigid fashion to one end of the first portion and projects slightly from said end, as well as a second sleeve which is fixed coaxially and internally in a rigid fashion to one end of the second portion and is recessed slightly in said end.
- Said sleeves are equipped with engagement means comprising for example a projection and indentation pair opposite to one another, which reciprocally engage said sleeves so as to define a precise relative position.
- the sleeves are also connected through a cable tensioned by a helical spring, so that said ficist and second portions of the support are kept in alignment as long as the first and second sleeve are engaged to each other, while in case of collision or the like, the two portions are allowed to go out of alignment because of the elasticity of the spring, which then brings the marker back to its initial position by means of its elastic return and the engagement means provided on the sleeves.
- the joints comprises an upper sleeve 27 and a lower sleeve 28 equipped respectively with projections 42 and indentations 43 to fix their relative positions.
- the sleeve 27 recedes into the upper portion 46 of the post, and sleeve 28 protrudes with respect to the lower portion 45 ( Figure 2).
- the lower sleeve is equipped with a flange 44.
- a flexible, traction-resistant cable 31 is fixed at the top to a screw 47 which can be screwed into a nut 23 resting against the other side oifthe support 24 of spring 25.
- Cable 31 is preferably a strand of galvanized or tinned steel.
- Pins 36 and 37 fix the members of the jointto the upper and lower portions 46 and 45 respectively, pin 36 passing through an opening 40 in upper plug 26 and another opening 38 in upper sleeve 27, and pin 37 passing through an opening 39 in lower sleeve 28 and an opening 41 in lower plug 29.
- the cable 31 is fitted in the grooves 32 of the upper plug 26 and in the grooves 35 of the lower plug 29, winding a pulley 30 at the lower end of plug 29.
- the screw 47 passes through an opening of the support 24 and is engaged by nut 23, which thus fixes the cable 31 in position and in engaging with the screw 47 causes a certain degree of compression of the spring 25.
- This embodiment moreover allows the reflector post to be brought back to the exact position desired, even when the upper post 46 is rotated 180° with respect to the lower post 45 and the projections 42 and indentations are engaged backwards. This situation leads to the inversion of the cat's eye reflector's colour on the marker.
- the point of the marker may also be shaped like a spade so that the point may be inserted simply by lapping it in; a preferred shape is shown in Figure 3.
- the point consists of two equal pieces of sheet metal joined face to face, for example by means of spot welding.
- the point has a generally spade-like shape, preferentially indicated with 50, and a tubular sleeve 51 which may also comprise the lower portion of the marker which contains the lower sleeve of the joint.
- spade 50 presents a saw tooth profile indicated with 52, which provides resistance to attempted extraction of the point from the ground.
- a hook 53 may be provided near the point of the spade to increase resistance to extraction.
- the surface of the spade is moreover equipped with openings which facilitate packing of the spade in the ground where it is fixed.
- the marker can thus be placed in operation simply by tapping it into the ground, with no need for digging a hole first, therefore reducing installation costs.
- Figures 4 and 5 show how the road marker according to the invention comprises a support consisting of a point 1 and a post 2 which supports a cat's eye reflector 3.
- the two portions of the support consisting of point 1 and post 2 are connected to one another at the point indicated with 4, by means of swivel joint which allows post 2 to go out of alignment with the point, or even to lay against the ground, as shown in Figure 5, and then to return to its proper position as shown in Figure 4.
- the spring 25 gives easily, allowing practically any reciprocal position of the portions 45 and 46 of the support, and then returns to its initial condition, bringing portions 45 and 46 back to alignment and their proper orientation, thanks to the engagement means 42, 43 of the sleeves 27, 28.
- the joint shown in Figures 1 and 2 may be placed in the most suitable position of the marker: In Figures 4 and 5, the joint is located between the point 1 and the post 2, so that the marker is made up of the portions.
- the. lower sleeve of the joint has a flange 16 which serves to drive the point into the ground using an appropriate device.
- Figures 6 and 7 show another embodiment of the marker according to the invention, in which therer are two joints in the positions indicated with 17 and 18.
- the support consists of three parts, that is a post 19, a lower arm 20 and an upper arm 21 which supports the reflector 3.
- the lower arm 20 is connected to a point 22.
- This embodiment has the advantage of keeping the reflector 3 away form the post 19, so that the splashes of water and mud which reach the post have difficulty reaching the reflector 3.
- Figure 7 shows the marker folded at joint 18. Obviously, it may also be subject to deviations at joint 17.
- the marker according to the invention conforms to article 92 of the Italian Highway Code.
- the reflector support is a cylindrical section since in this way the supported reflector is less exposed to spashes of water and mud which may strike the support.
- the present invention allows realization of a relatively low cost, long-lasting marker which maintains its operational position even when disturbed and which, even if it does not return to its exact initial position after a collision, may be fixed manually with great facility. Furthermore, the material exposed to the elements may be selected so as to be long-lasting, whilethe more sensitive parts remain protected.
- the portions of the support may be selected as desired, so that the same joint may be used for reflectors applicable to walls, quard-rails, bridge parapets and the like.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
- Traffic Control Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Luminescent Compositions (AREA)
Abstract
Description
- The present invention relates to a road edge marker of the type with a support for a reflector (cat's eye) which indicates the road way.
- It is well known that road way edges are marked laterally by red reflectors on the driver's side and white ones on the opposite side. The reflectors must maintain a precise position so that the driver can see their reflections so that it is very important for the reflector support to be in position as well.
- Known supports of the rigid type obviously stay in position, unless they are hit by an automobile or the like or are moved in any way, in which case manual intervention is required to return them to their position. In fact, given the large number of road way markers and the extension of the road system, the manual intervention to bring the road markers back consumes a very high proportion of the working hours of the road maintenance crews. Therefore, while the rigid markers are economical to manufacture, they involve high maintenance costs.
- To solve this severe problem, flexible markers have been made out of rubber material, which return automatically to position in case of collision or displacement. However, these flexible markers have high manufacturing costs, since to maintain their flexibility for an acceptable period while exposed to atmospheric agents, they must be made. of specially treated synthetic rubber. Even then however, their duration in inclement whether is fairly limited and so they must be replaced frequently. Therefore from an economical point of view, this type of flexible marker has not resolved the problem posed above.
- US Application 4270873 describes a delineator pole according to the first part of
claim 1 which pole pivots when a force is applied thereto and includes upper and lower segments joined together by a biasing spring. A shank is integrally joined to the spring and threaded to a nut locked on the tip of the pole. The spring system of this pole can not be adapted to poles of various shapes and lengths. Moreover, as the interior is hollow for accommodating the spring system, accumulation of impurities and deteriorating matter inside the pole can not be avoided. - The present invention as characterised in
claim 1 is directed to overcoming the problems set forth above. - CH Application 451228 describes a flexible delineator pole consisting of an upper and lower segment joined together by a coiled spring which is compression stressed by a cable when the upper segment is tilted, so exerting a return force. This pole is so arranged as not to be sufficiently weatherproof and gives no assurance of resuming the correct position as extraneous matter could insinuate between the upper and lower segment.
- According to the present invention, this problem is solved by means of a marker made of rigid material highly resistant to inclement weather, which gives offering no resistance in case of collision by a vehicle and returns exactly to the initial position automatically.
- The marker according to the invention is therefore made of less expensive material and can solve the problem posed above.
- According to the present invention, the anticol- lision road edge marker comprises a reflector support of the tubular type divided into at least two portions connected by an elastic swivel joint comprising a first sleeve which is fixed coaxially and internally in a rigid fashion to one end of the first portion and projects slightly from said end, as well as a second sleeve which is fixed coaxially and internally in a rigid fashion to one end of the second portion and is recessed slightly in said end. Said sleeves are equipped with engagement means comprising for example a projection and indentation pair opposite to one another, which reciprocally engage said sleeves so as to define a precise relative position. The sleeves are also connected through a cable tensioned by a helical spring, so that said ficist and second portions of the support are kept in alignment as long as the first and second sleeve are engaged to each other, while in case of collision or the like, the two portions are allowed to go out of alignment because of the elasticity of the spring, which then brings the marker back to its initial position by means of its elastic return and the engagement means provided on the sleeves.
- The invention will be described below in detail with reference to the attached drawings, in which:
- Figure 1 is an exploded view of the elastic swivel joint of the marker according to the invention;
- Figure 2 is a sectional view of the joint in.its normal rest position;
- Figure 3 is a preferred embodiment of the point;
- Figure 4 is an example of an embodiment of the road marker according to the invention;
- Figure 5 shows the marker of Figure 4 in the non-aligned position;
- Figure 6 shows another embodiment of the road marker; and
- Figure 7 shows the marker of Figure 6 in the non-aligned position.
- Figures 1 and 2 show an embodiment of the joint for road markers according to the invention.
- The joints comprises an
upper sleeve 27 and alower sleeve 28 equipped respectively withprojections 42 andindentations 43 to fix their relative positions. Thesleeve 27 recedes into theupper portion 46 of the post, and sleeve 28 protrudes with respect to the lower portion 45 (Figure 2). The lower sleeve is equipped with aflange 44. - Inside
cavity 33 ofsleeve 27 andcavity 34 ofsleeve 28 are arranged respectively anupper plug 26 and alower plug 29, equipped withlongitudinal grooves spring 25 is compressed between anabutment 48 integral toupper plug 26 and a free bearing 24. - A flexible, traction-
resistant cable 31 is fixed at the top to ascrew 47 which can be screwed into anut 23 resting against the otherside oifthe support 24 ofspring 25. -
Cable 31 is preferably a strand of galvanized or tinned steel. -
Pins lower portions pin 36 passing through an opening 40 inupper plug 26 and another opening 38 inupper sleeve 27, andpin 37 passing through anopening 39 inlower sleeve 28 and an opening 41 inlower plug 29. - The
cable 31 is fitted in thegrooves 32 of theupper plug 26 and in thegrooves 35 of thelower plug 29, winding apulley 30 at the lower end ofplug 29. Thescrew 47 passes through an opening of thesupport 24 and is engaged bynut 23, which thus fixes thecable 31 in position and in engaging with thescrew 47 causes a certain degree of compression of thespring 25. - The operation is as follows. Displacement of the
upper portion 46 of the post with respect to thelower portion 45 leads to compression of thespring 25 which tends to bring the two portions of the post back into alignment, and moreover into the exact position established by the engagement of theprojections 42 with theindentations 43. - This embodiment moreover allows the reflector post to be brought back to the exact position desired, even when the
upper post 46 is rotated 180° with respect to thelower post 45 and theprojections 42 and indentations are engaged backwards. This situation leads to the inversion of the cat's eye reflector's colour on the marker. - In the present embodiment this position would not be stable, since it would cause the
cable 31 to cross with consequent compression of thespring 25 which immediately brings the marker back to the correct position. - In addition to the shape illustrated above the point of the marker may also be shaped like a spade so that the point may be inserted simply by lapping it in; a preferred shape is shown in Figure 3.
- As shown in Figure 3, the point consists of two equal pieces of sheet metal joined face to face, for example by means of spot welding.
- Thus the point has a generally spade-like shape, preferentially indicated with 50, and a
tubular sleeve 51 which may also comprise the lower portion of the marker which contains the lower sleeve of the joint. - Laterally the
spade 50 presents a saw tooth profile indicated with 52, which provides resistance to attempted extraction of the point from the ground. - A
hook 53 may be provided near the point of the spade to increase resistance to extraction. The surface of the spade is moreover equipped with openings which facilitate packing of the spade in the ground where it is fixed. - With this shape point, the marker can thus be placed in operation simply by tapping it into the ground, with no need for digging a hole first, therefore reducing installation costs.
- Figures 4 and 5 show how the road marker according to the invention comprises a support consisting of a
point 1 and apost 2 which supports a cat'seye reflector 3. The two portions of the support consisting ofpoint 1 andpost 2 are connected to one another at the point indicated with 4, by means of swivel joint which allowspost 2 to go out of alignment with the point, or even to lay against the ground, as shown in Figure 5, and then to return to its proper position as shown in Figure 4. - Therefore, in the road marker's normal position (Figure 2) the two
portions portions cable 31 andspring 25 remain well protected. - In case of collision or of a reciprocal shift (disalignment) of
portions spring 25 gives easily, allowing practically any reciprocal position of theportions portions sleeves - The joint shown in Figures 1 and 2 may be placed in the most suitable position of the marker: In Figures 4 and 5, the joint is located between the
point 1 and thepost 2, so that the marker is made up of the portions. In this case the. lower sleeve of the joint has aflange 16 which serves to drive the point into the ground using an appropriate device. - Figures 6 and 7 show another embodiment of the marker according to the invention, in which therer are two joints in the positions indicated with 17 and 18. In this case the support consists of three parts, that is a
post 19, alower arm 20 and anupper arm 21 which supports thereflector 3. Thelower arm 20 is connected to apoint 22. This embodiment has the advantage of keeping thereflector 3 away form thepost 19, so that the splashes of water and mud which reach the post have difficulty reaching thereflector 3. Figure 7 shows the marker folded at joint 18. Obviously, it may also be subject to deviations at joint 17. - The marker according to the invention conforms to article 92 of the Italian Highway Code.
- Preferably in the embodiment shown, the reflector support is a cylindrical section since in this way the supported reflector is less exposed to spashes of water and mud which may strike the support.
- Therefore, the present invention allows realization of a relatively low cost, long-lasting marker which maintains its operational position even when disturbed and which, even if it does not return to its exact initial position after a collision, may be fixed manually with great facility. Furthermore, the material exposed to the elements may be selected so as to be long-lasting, whilethe more sensitive parts remain protected.
- The portions of the support may be selected as desired, so that the same joint may be used for reflectors applicable to walls, quard-rails, bridge parapets and the like.
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83830250T ATE35435T1 (en) | 1982-12-06 | 1983-12-05 | AUTOMATICALLY ERECTING STREET DETECTION POST AFTER DEVIDING. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT49623/82A IT1189433B (en) | 1982-12-06 | 1982-12-06 | ANTI-IMPACT ROAD SIGNALS |
IT4962382 | 1982-12-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0112804A2 EP0112804A2 (en) | 1984-07-04 |
EP0112804A3 EP0112804A3 (en) | 1985-07-31 |
EP0112804B1 true EP0112804B1 (en) | 1988-06-29 |
Family
ID=11271191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83830250A Expired EP0112804B1 (en) | 1982-12-06 | 1983-12-05 | Anticollision road marker |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0112804B1 (en) |
AT (1) | ATE35435T1 (en) |
DE (1) | DE3377225D1 (en) |
IT (1) | IT1189433B (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2633954B1 (en) * | 1988-07-11 | 1992-03-13 | Millet Pierre | ELASTIC ANCHORING TERMINAL |
FR2663055B1 (en) * | 1990-06-06 | 1992-10-02 | Allibert | PARTICULARLY BEACON IN PLASTIC MATERIAL AND SIGNALING DEVICE COMPRISING SUCH A BEACON. |
EP0503024B1 (en) * | 1990-10-02 | 1996-03-20 | Clémens Weibel | Parking prevention means |
US5205236A (en) * | 1991-07-26 | 1993-04-27 | Flexstake, Inc. | Stiffener core for a highway marker |
DE9303097U1 (en) * | 1993-03-03 | 1993-05-19 | PROVEX S.r.l., Bruneck/Brunico | Device for anchoring posts of safety barriers in a foundation |
WO2002022962A1 (en) * | 2000-09-18 | 2002-03-21 | Kumsung Gaebal Co., Ltd. | Traffic delineator |
FR2819530A1 (en) * | 2001-01-15 | 2002-07-19 | Jean Augustin | Tilting access control arm for vehicle parking space has flexible arm with tilting actuator mounted underground for remote control |
US6769833B2 (en) | 2001-04-13 | 2004-08-03 | Dicke Tool Company | Pivoting vehicle barrier |
IES20010442A2 (en) * | 2001-05-04 | 2002-05-01 | Stuart Smyth | Improvements in street bollards |
EP1649107B1 (en) * | 2003-07-18 | 2011-05-25 | Flexco | Traffic delineator alignment system |
FR2867201B1 (en) * | 2004-03-04 | 2008-04-04 | Pierre Chretien | SOFT DEVICE FOR URBAN FURNITURE AND POSTS |
US7195422B2 (en) | 2005-02-25 | 2007-03-27 | Impact Recovery Systems, Inc. | Recessed delineator post base |
GB2446858B (en) * | 2007-02-20 | 2010-12-08 | Signature Ltd | Bollard assembly |
ITVR20120040A1 (en) * | 2012-03-09 | 2013-09-10 | Audio Pan Ohg Des Oberkofler P & N Ussbaumer H | JOINTED DEVICE TO SUPPORT A SIGNAL OR SIMILAR POLE. |
BE1030492B1 (en) * | 2022-05-03 | 2023-12-05 | Boplan Bv | POLE FOR ABSORBING HIGH ENERGY SHOCK |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2096275A (en) * | 1936-03-02 | 1937-10-19 | Philip C Doyle | Means for marking the side boundaries of roads |
US2121379A (en) * | 1936-08-14 | 1938-06-21 | David H Young | Guard or protective device for trees or hydrants |
AT252297B (en) * | 1965-08-12 | 1967-02-10 | Josef Hausegger | Reversible lane marker |
FR1482473A (en) * | 1966-06-04 | 1967-05-26 | Boundary post, signage or similar destination and more especially for sports grounds | |
DE1534490C3 (en) * | 1966-07-28 | 1975-07-17 | Wilhelm Elbracht & Co Kg, 4830 Guetersloh | Resilient bracket for delineator posts |
CH548493A (en) * | 1971-12-15 | 1974-04-30 | Beyeler Frey Fritz | MARKING POST FOR TRAFFIC ROUTES. |
US4245922A (en) * | 1979-04-02 | 1981-01-20 | Auriemma Robert S | Traffic delineator post |
US4270873A (en) * | 1979-04-13 | 1981-06-02 | Rapidgate, Inc. | Pivotable delineator post |
-
1982
- 1982-12-06 IT IT49623/82A patent/IT1189433B/en active
-
1983
- 1983-12-05 DE DE8383830250T patent/DE3377225D1/en not_active Expired
- 1983-12-05 AT AT83830250T patent/ATE35435T1/en not_active IP Right Cessation
- 1983-12-05 EP EP83830250A patent/EP0112804B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0112804A2 (en) | 1984-07-04 |
IT1189433B (en) | 1988-02-04 |
EP0112804A3 (en) | 1985-07-31 |
ATE35435T1 (en) | 1988-07-15 |
DE3377225D1 (en) | 1988-08-04 |
IT8249623A0 (en) | 1982-12-06 |
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