GB1398524A - Energy absorbing device - Google Patents
Energy absorbing deviceInfo
- Publication number
- GB1398524A GB1398524A GB3546771A GB3546771A GB1398524A GB 1398524 A GB1398524 A GB 1398524A GB 3546771 A GB3546771 A GB 3546771A GB 3546771 A GB3546771 A GB 3546771A GB 1398524 A GB1398524 A GB 1398524A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- plunger
- section
- square
- cross
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/125—Units with a telescopic-like action as one member moves into, or out of a second member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
1398524 Collapsible steering columns; bumpers WALTON & CO (WOLVERHAMPTON) Ltd 26 Oct 1972 [28 July 1971] 35467/71 Headings B7H and B7J [Also in Division F2] A collapsible steering column or bumper mounting incorporates an energy-absorbing, shock-absorbing or load-limiting device comprising a tube and a plunger, the cross-sectional shape of the interior of the tube being different from the cross-sectional shape of the exterior of the plunger, the plunger having portions which contact the inner surface of the tube and which, when the the plunger is forced relatively into and along the tube, force the tube walls outwards at the places of contact, the actual periphery of the plunger in cross-section or, where the plunger has one or more recesses, the notional shortest periphery around the outermost surfaces of the plunger, being less than the internal periphery of the tube so that when the plunger is forced relatively along the tube the development of tensile stresses in the tube walls is inhibited and the internal periphery of the tube remains constant, or substantially so, in length. A circular-section steel plunger 1 inch in diameter has one end tapered and engaged in a mild steel tube of square cross-section, the wall being # inch thick and the length of the side of the internal square being # inch. Instead of square the tube may have a hexagonal, or other polygonal, section. A square-section plunger may be used with a circular-section tube whose internal diameter is less than the diagonal of the square. A tube with longitudinally-extending corrugations, e.g. twelve, is associated with a circularsection plunger sufficiently large in diameter to engage and deform the inwardly-directed portions of the corrugations. The plunger may be tubular and subject to deformation. The degree of initial interengagement is sufficient to ensure transmission of torque when the device forms part of an axially collapsible steering column.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3546771A GB1398524A (en) | 1971-07-28 | 1971-07-28 | Energy absorbing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3546771A GB1398524A (en) | 1971-07-28 | 1971-07-28 | Energy absorbing device |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1398524A true GB1398524A (en) | 1975-06-25 |
Family
ID=10378055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3546771A Expired GB1398524A (en) | 1971-07-28 | 1971-07-28 | Energy absorbing device |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1398524A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993004904A1 (en) * | 1991-09-11 | 1993-03-18 | Itt Industries, Inc. | Energy absorbing collapsible steering apparatus |
EP0568327A2 (en) * | 1992-04-29 | 1993-11-03 | Alliedsignal Limited | Vehicle passenger restraint systems |
CN1079341C (en) * | 1998-12-28 | 2002-02-20 | 王武生 | Vehicle safety device |
-
1971
- 1971-07-28 GB GB3546771A patent/GB1398524A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993004904A1 (en) * | 1991-09-11 | 1993-03-18 | Itt Industries, Inc. | Energy absorbing collapsible steering apparatus |
US5476284A (en) * | 1991-09-11 | 1995-12-19 | Itt Corporation | Energy absorbing collapsible steering apparatus |
EP0568327A2 (en) * | 1992-04-29 | 1993-11-03 | Alliedsignal Limited | Vehicle passenger restraint systems |
EP0568327A3 (en) * | 1992-04-29 | 1994-02-02 | Alliedsignal Ltd | |
CN1079341C (en) * | 1998-12-28 | 2002-02-20 | 王武生 | Vehicle safety device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |