US3715137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy absorbing structures
Assignee: Oregon Tool Inc
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Filing: 1970-09-18
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Granted: 1973-02-06
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Expires: 1990-09-18
Abstract
Abstract A fastener unit has a drawable rod and a retainer at one end of the shank and a die at the other end of the shank. The retainer in one embodiment is a riveted head on the shank. In another embodiment the retainer is a threaded head on the shank. In another embodiment the retainer includes a threaded plug on the shank. A further embodiment includes a vehicle bumper having a bracket bolted to a frame bracket by an energy absorbing fastener.
Inventors
- 👤 G Sandberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:10
CPC Classifications
F; F16; F16F; F16F7/00; F16F7/12; F16F7/127; B; B60; B60R; B60R19/00; B60R19/02; B60R19/24; B60R19/26; B60R19/34
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
93 words
In an energy absorbing fastener unit, a drawable rod having a shank portion of a predetermined diameter, a drawable portion of a greater diameter than than said predetermined diameter and at one end of the shank portion and a head portion of a diameter greater than said predetermined diameter and at the other end of the shank portion, die means mounted on the shank portion, an externally threaded plug mounted on the shank portion, the die means and the plug being held on the shank by the drawable portion and the head portion.
Claim 2
Dependent Claim
93 words
In an energy absorbing fastener unit, a drawable rod having a shank portion of a predetermined diameter, a drawable portion of a greater diameter than than said predetermined diameter and at one end of the shank portion and a head portion of a diameter greater than said predetermined diameter and at the other end of the shank portion, die means mounted on the shank portion, an externally threaded plug mounted on the shank portion, the die means and the plug being held on the shank by the drawable portion and the head portion.
Claim 3
Dependent Claim
93 words
In an energy absorbing fastener unit, a drawable rod having a shank portion of a predetermined diameter, a drawable portion of a greater diameter than than said predetermined diameter and at one end of the shank portion and a head portion of a diameter greater than said predetermined diameter and at the other end of the shank portion, die means mounted on the shank portion, an externally threaded plug mounted on the shank portion, the die means and the plug being held on the shank by the drawable portion and the head portion.
Claim 4
Dependent Claim
93 words
In an energy absorbing fastener unit, a drawable rod having a shank portion of a predetermined diameter, a drawable portion of a greater diameter than than said predetermined diameter and at one end of the shank portion and a head portion of a diameter greater than said predetermined diameter and at the other end of the shank portion, die means mounted on the shank portion, an externally threaded plug mounted on the shank portion, the die means and the plug being held on the shank by the drawable portion and the head portion.
Claim 5
Dependent Claim
30 words
The fastener unit of claim 1 including torque means holding the die and the plug together for turning movement and permitting relative axial movement between the die and the plug.
Claim 6
Dependent Claim
19 words
The fastener unit of claim 2 wherein the torque means comprises keying means on the die and the plug.
Claim 7
Dependent Claim
19 words
The fastener unit of claim 2 wherein the torque means comprises frictional interengagement of the die and the plug.
Claim 8
Dependent Claim
13 words
The fastener unit of claim 1 wherein the die means is one piece.
Claim 9
Dependent Claim
12 words
The fastener unit of claim 1 wherein the plug is one piece.
Claim 10
Dependent Claim
11 words
The fastener unit of claim 1 wherein the plug is split.
Claim 11
Dependent Claim
19 words
The fastener unit of claim 7 wherein the die means cOmprises a one-piece die holder and a split die.
Claim 12
Dependent Claim
18 words
The fastener unit of claim 1 wherein the head comprises a weld securing the shank to the plug.
Claim 13
Dependent Claim
13 words
The fastener unit of claim 1 including a nut screwed onto the plug.
Claim 14
Dependent Claim
56 words
In an energy absorbing fastener structure, a drawable rod having a shank of a predetermined diameter, a drawable portion at one end of the shank and larger than the shank in diameter and a head larger than said predetermined diameter at the other end of the shank, the head being externally threaded to define a plug.
Claim 15
Dependent Claim
56 words
In an energy absorbing fastener structure, a drawable rod having a shank of a predetermined diameter, a drawable portion at one end of the shank and larger than the shank in diameter and a head larger than said predetermined diameter at the other end of the shank, the head being externally threaded to define a plug.
Claim 16
Dependent Claim
22 words
The energy absorbing fastener structure of claim 11 including a die mounted on the shank between the head and the drawable portion.
Claim 17
Dependent Claim
14 words
The energy absorbing fastener structure of claim 12 wherein the die is one piece.
Claim 18
Dependent Claim
41 words
The energy absorbing fastener structure of claim 13 wherein the die abuts the head and is larger in external diameter than the head, the portion of the die adjacent the head being relieved to facilitate forming the thread on the head.
Claim 19
Dependent Claim
14 words
The energy absorbing fastener structure of claim 11 wherein the head is rivet like.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |