DK125377A - Losrivelig koblingsindretning - Google Patents

Losrivelig koblingsindretning

Info

Publication number
DK125377A
DK125377A DK125377A DK125377A DK125377A DK 125377 A DK125377 A DK 125377A DK 125377 A DK125377 A DK 125377A DK 125377 A DK125377 A DK 125377A DK 125377 A DK125377 A DK 125377A
Authority
DK
Denmark
Prior art keywords
coupling device
removable coupling
removable
coupling
Prior art date
Application number
DK125377A
Other languages
Danish (da)
English (en)
Inventor
D B Chisholm
Original Assignee
D B Chisholm
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
Priority claimed from US05/669,476 external-priority patent/US4007564A/en
Priority claimed from US05/709,943 external-priority patent/US4052826A/en
Application filed by D B Chisholm filed Critical D B Chisholm
Publication of DK125377A publication Critical patent/DK125377A/da

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/60Upright bodies, e.g. marker posts or bollards; Supports for road signs
    • E01F9/623Upright 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
    • E01F9/631Upright 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
    • E01F9/635Upright 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 shearing or tearing, e.g. having weakened zones

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Foundations (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Road Signs Or Road Markings (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
DK125377A 1976-03-23 1977-03-22 Losrivelig koblingsindretning DK125377A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/669,476 US4007564A (en) 1973-04-11 1976-03-23 Breakaway coupling and assembly
US05/709,943 US4052826A (en) 1973-04-11 1976-07-29 Breakaway coupling assembly with fracture-initiating washer

Publications (1)

Publication Number Publication Date
DK125377A true DK125377A (da) 1977-09-24

Family

ID=27100122

Family Applications (1)

Application Number Title Priority Date Filing Date
DK125377A DK125377A (da) 1976-03-23 1977-03-22 Losrivelig koblingsindretning

Country Status (8)

Country Link
JP (1) JPS52135538A (enrdf_load_stackoverflow)
CA (1) CA1054772A (enrdf_load_stackoverflow)
DE (1) DE2712313A1 (enrdf_load_stackoverflow)
DK (1) DK125377A (enrdf_load_stackoverflow)
FR (1) FR2345657A1 (enrdf_load_stackoverflow)
IT (1) IT1084958B (enrdf_load_stackoverflow)
LU (1) LU76994A1 (enrdf_load_stackoverflow)
NL (1) NL7703096A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2704011B1 (fr) * 1993-04-15 1997-08-08 Millet Kennedy Andre Plot de sécurité pour signalisation routière.
AU2004101020B4 (en) * 2004-11-30 2012-06-14 Harris, Phillip Rollison A Frangible Pole

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1360355A (fr) * 1963-03-29 1964-05-08 Eclairage Et De Realisations U Dispositif pour la fixation au sol de mâts, poteaux, candélabres, et autres objetsanalogues
US3637244A (en) * 1970-03-27 1972-01-25 Richard A Strizki Load concentrated breakaway coupling
CA973677A (en) * 1973-01-25 1975-09-02 John Shewchuk Coupling for break away pole bases
US4052826A (en) * 1973-04-11 1977-10-11 Chisholm Douglas B Breakaway coupling assembly with fracture-initiating washer
US4007564A (en) * 1973-04-11 1977-02-15 Chisholm Douglas B Breakaway coupling and assembly

Also Published As

Publication number Publication date
NL7703096A (nl) 1977-09-27
JPS52135538A (en) 1977-11-12
CA1054772A (en) 1979-05-22
LU76994A1 (enrdf_load_stackoverflow) 1978-06-01
DE2712313A1 (de) 1977-09-29
FR2345657B1 (enrdf_load_stackoverflow) 1982-06-04
JPS5521123B2 (enrdf_load_stackoverflow) 1980-06-07
IT1084958B (it) 1985-05-28
FR2345657A1 (fr) 1977-10-21

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment