FR2455128A1 - EXTENSIBLE GUARDRAIL, PARTICULARLY FOR THE PROTECTION OF OPENINGS IN PAVEMENTS - Google Patents

EXTENSIBLE GUARDRAIL, PARTICULARLY FOR THE PROTECTION OF OPENINGS IN PAVEMENTS

Info

Publication number
FR2455128A1
FR2455128A1 FR7911207A FR7911207A FR2455128A1 FR 2455128 A1 FR2455128 A1 FR 2455128A1 FR 7911207 A FR7911207 A FR 7911207A FR 7911207 A FR7911207 A FR 7911207A FR 2455128 A1 FR2455128 A1 FR 2455128A1
Authority
FR
France
Prior art keywords
chain
foot
guardrail
posts
pavements
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.)
Granted
Application number
FR7911207A
Other languages
French (fr)
Other versions
FR2455128B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TARAVELLO EXPL ETS
Original Assignee
TARAVELLO EXPL ETS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TARAVELLO EXPL ETS filed Critical TARAVELLO EXPL ETS
Priority to FR7911207A priority Critical patent/FR2455128A1/en
Publication of FR2455128A1 publication Critical patent/FR2455128A1/en
Application granted granted Critical
Publication of FR2455128B1 publication Critical patent/FR2455128B1/fr
Granted legal-status Critical Current

Links

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
    • E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
    • E01F13/02—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions free-standing; portable, e.g. for guarding open manholes ; Portable signs or signals specially adapted for fitting to portable barriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)

Abstract

The guardrail comprises four posts (2) connected by pantograph type extensible linkage. The hollow circular section posts each contain a coil spring (7) whose head is anchored by a diametric pin (8), and a chain of flat rectangular section (9,11,13) bars. The foot of the spring hooks onto the head (4) of the chain. The last bar (13) of the chain is 'L' shaped forming a post anchoring foot. By pulling the chain from the post and pivoting the foot horizontally about either pin (10,12) the length of the foot is varied. The hooked arm (13A) turns down to grip the edge of the road opening.
FR7911207A 1979-04-25 1979-04-25 EXTENSIBLE GUARDRAIL, PARTICULARLY FOR THE PROTECTION OF OPENINGS IN PAVEMENTS Granted FR2455128A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7911207A FR2455128A1 (en) 1979-04-25 1979-04-25 EXTENSIBLE GUARDRAIL, PARTICULARLY FOR THE PROTECTION OF OPENINGS IN PAVEMENTS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7911207A FR2455128A1 (en) 1979-04-25 1979-04-25 EXTENSIBLE GUARDRAIL, PARTICULARLY FOR THE PROTECTION OF OPENINGS IN PAVEMENTS

Publications (2)

Publication Number Publication Date
FR2455128A1 true FR2455128A1 (en) 1980-11-21
FR2455128B1 FR2455128B1 (en) 1982-10-29

Family

ID=9224995

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7911207A Granted FR2455128A1 (en) 1979-04-25 1979-04-25 EXTENSIBLE GUARDRAIL, PARTICULARLY FOR THE PROTECTION OF OPENINGS IN PAVEMENTS

Country Status (1)

Country Link
FR (1) FR2455128A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1688074A (en) * 1928-03-21 1928-10-16 O R Bartram Manhole safety cage
US1741323A (en) * 1929-03-02 1929-12-31 Engineering Products Corp Inc Manhole guard
FR1025423A (en) * 1950-10-04 1953-04-15 Rivolier Pere Et Fils Foldable and portable traffic barrier, for roads, construction sites or other jobs
GB1138339A (en) * 1965-12-28 1969-01-01 Geoffrey William Thomas Support apparatus, particularly but not exclusively for games posts
DE1936303B1 (en) * 1969-07-17 1971-03-18 Degussa Safety barrier for grate hatches
DE2436375A1 (en) * 1974-07-27 1976-02-05 Ludwig Steffens Shaped-tube safety barrier post - containing internal round steel bar with top media for drawing bottom hook

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1688074A (en) * 1928-03-21 1928-10-16 O R Bartram Manhole safety cage
US1741323A (en) * 1929-03-02 1929-12-31 Engineering Products Corp Inc Manhole guard
FR1025423A (en) * 1950-10-04 1953-04-15 Rivolier Pere Et Fils Foldable and portable traffic barrier, for roads, construction sites or other jobs
GB1138339A (en) * 1965-12-28 1969-01-01 Geoffrey William Thomas Support apparatus, particularly but not exclusively for games posts
DE1936303B1 (en) * 1969-07-17 1971-03-18 Degussa Safety barrier for grate hatches
DE2436375A1 (en) * 1974-07-27 1976-02-05 Ludwig Steffens Shaped-tube safety barrier post - containing internal round steel bar with top media for drawing bottom hook

Also Published As

Publication number Publication date
FR2455128B1 (en) 1982-10-29

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