CA1054772A - Breakaway coupling assembly with fracture-initiating washer - Google Patents
Breakaway coupling assembly with fracture-initiating washerInfo
- Publication number
- CA1054772A CA1054772A CA271,926A CA271926A CA1054772A CA 1054772 A CA1054772 A CA 1054772A CA 271926 A CA271926 A CA 271926A CA 1054772 A CA1054772 A CA 1054772A
- Authority
- CA
- Canada
- Prior art keywords
- connection member
- coupling
- coupling body
- connection
- fracture
- 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 128
- 238000010168 coupling process Methods 0.000 title claims abstract description 128
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 128
- 230000000977 initiatory effect Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 2
- 208000010392 Bone Fractures Diseases 0.000 description 17
- 206010017076 Fracture Diseases 0.000 description 17
- 235000010210 aluminium Nutrition 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 206010003549 asthenia Diseases 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 102220295568 rs1554341697 Human genes 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 208000016258 weakness Diseases 0.000 description 1
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
- E01F9/635—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 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)
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 |
|---|---|
| CA1054772A true CA1054772A (en) | 1979-05-22 |
Family
ID=27100122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA271,926A Expired CA1054772A (en) | 1976-03-23 | 1977-02-16 | Breakaway coupling assembly with fracture-initiating washer |
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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004101020B4 (en) * | 2004-11-30 | 2012-06-14 | Harris, Phillip Rollison | A Frangible Pole |
Families Citing this family (1)
| 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. |
Family Cites Families (5)
| 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 |
-
1976
- 1976-11-30 FR FR7636117A patent/FR2345657A1/fr active Granted
-
1977
- 1977-02-16 CA CA271,926A patent/CA1054772A/en not_active Expired
- 1977-03-21 IT IT21456/77A patent/IT1084958B/it active
- 1977-03-21 DE DE19772712313 patent/DE2712313A1/de not_active Withdrawn
- 1977-03-22 LU LU76994A patent/LU76994A1/xx unknown
- 1977-03-22 NL NL7703096A patent/NL7703096A/xx not_active Application Discontinuation
- 1977-03-22 DK DK125377A patent/DK125377A/da not_active Application Discontinuation
- 1977-03-23 JP JP3201877A patent/JPS52135538A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004101020B4 (en) * | 2004-11-30 | 2012-06-14 | Harris, Phillip Rollison | A Frangible Pole |
Also Published As
| Publication number | Publication date |
|---|---|
| DK125377A (da) | 1977-09-24 |
| NL7703096A (nl) | 1977-09-27 |
| JPS52135538A (en) | 1977-11-12 |
| 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 |
|---|---|---|---|
| MKEX | Expiry |
Effective date: 19960522 |