US3601869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fasteners
Assignee: Eaton Corp
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Filing: 1969-08-13
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Granted: 1971-08-31
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Expires: 1989-08-13
Abstract
Abstract A plastic fastener including a bored head portion, a pair of tab portions extending downwardly from the head portion, a bored body portion including a plunger member extending downwardly from the head portion with the upper end of the plunger member being severably connected to the tab portions, and a pair of resilient leg portions connecting the head portion to the body portion adapted to be deformed outwardly with movement of the plunger member between the tab portions upon self-threading movement of a threaded member through the lower end of the body portion, and abutments on the body portion adapted for engagement with the tab portions to limit upward movement of the body portion toward the head portion.
Inventors
- 👤 Laurence H Flor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:11
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/06; F16B21/08; F16B21/086; F16B29/00
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
221 words
A plastic fastener device adapted for insertion through an opening in a supporting member, said device comprising, a. a head portion adapted to be disposed adjacent one side of said supporting member, b. said head portion having a bore adapted to receive a threaded member therethrough, c. at least one pair of laterally spaced tab portions depending generally axially downwardly from said head portion, d. a body portion including an integral plunger member depending generally axially downwardly from said head portion, the upper end of said plunger member being severably connected to said tab portions, e. said body portion and plunger member having a bore disposed in axial alignment with the bore in said head portion adapted for self-threading engagement with a threaded member inserted therethrough, f. a pair of laterally spaced, resilient leg portions disposed on opposite sides of said tab portions connected at one end adjacent said head portion and at the other end adjacent said body portion adapted to be deformed outwardly with upward movement of said plunger member between said tab portions upon turning movement of said threaded member through said bores, and g. abutment means dIsposed adjacent the juncture of said plunger member with said body portion adapted for engagement with said tab portions to limit upward movement of said body portion toward said head portion.
Claim 2
Dependent Claim
221 words
A plastic fastener device adapted for insertion through an opening in a supporting member, said device comprising, a. a head portion adapted to be disposed adjacent one side of said supporting member, b. said head portion having a bore adapted to receive a threaded member therethrough, c. at least one pair of laterally spaced tab portions depending generally axially downwardly from said head portion, d. a body portion including an integral plunger member depending generally axially downwardly from said head portion, the upper end of said plunger member being severably connected to said tab portions, e. said body portion and plunger member having a bore disposed in axial alignment with the bore in said head portion adapted for self-threading engagement with a threaded member inserted therethrough, f. a pair of laterally spaced, resilient leg portions disposed on opposite sides of said tab portions connected at one end adjacent said head portion and at the other end adjacent said body portion adapted to be deformed outwardly with upward movement of said plunger member between said tab portions upon turning movement of said threaded member through said bores, and g. abutment means dIsposed adjacent the juncture of said plunger member with said body portion adapted for engagement with said tab portions to limit upward movement of said body portion toward said head portion.
Claim 3
Dependent Claim
36 words
A fastener device in accordance with claim 1, wherein a. said plunger member is of a polygonal shape in transverse cross section adapted to be received in a complementary shaped opening defined between said tab portions.
Claim 4
Dependent Claim
33 words
A fastener device in accordance with claim 1, wherein a. said tab portions extend generally parallel to one another and generally parallel with respect to the confronting exterior surfaces of said plunger member.
Claim 5
Dependent Claim
37 words
A fastener device in accordance with claim 3, wherein a. said leg portions initially diverge outwardly from one another and then converge toward one another in outwardly spaced relation from the tab portions and said plunger member.
Claim 6
Dependent Claim
24 words
A fastener device in accordance with claim 1, wherein a. said plunger member has a reduced transverse dimension as compared to said body portion.
Claim 7
Dependent Claim
44 words
A fastener device in accordance with claim 1, wherein a. said body portion includes an integral, hollow protrusion depending downwardly therefrom, b. said protrusion being closed at one end and having an axial bore disposed in alignment with the bore in said body portion.
Claim 8
Dependent Claim
29 words
A fastener device in accordance with claim 1, wherein a. said head portion includes a laterally outwardly projecting flange adapted for engagement with one side of a support member.
Claim 9
Dependent Claim
56 words
A fastener device in accordance with claim 1, wherein a. the transverse distance between said tab portions is slightly greater than the transverse dimension of said plunger member, whereby said plunger member is adapted to be slidably received in generally parallel relation between said tab portions upon movement of said body portion toward said head portion.
Claim 10
Dependent Claim
29 words
A fastener device in accordance with claim 1, wherein a. the transverse wall thickness of said plunger member is substantially greater than the transverse thickness of said leg portions.
Claim 11
Dependent Claim
30 words
A fastener device in accordance with claim 1, wherein a. said body portion is of a wedgelike shape tapered in a downward and inward direction away from said head portion.
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) | 1974-08-30 | 1975-03-01 | 1975-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-30 | 1979-03-01 | 1979-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-30 | 1983-03-01 | 1983-08-31 | $7700.00 | Window Closed / Lapsed |