Patent US4286497A successfully refreshed from Google Patents.
US4286497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet-securable toggle retainer
Assignee: Individual
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Filing: 1979-06-18
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Granted: 1981-09-01
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Expires: 1999-06-18
Abstract
Abstract In combination with a conventional toggle fastener adapted for insertion into and to secure behind a blind entry, a ratchet assembly adapted to retain the toggle fastener in the blind entry and to adjust for the depth of such entry, the ratchet assembly comprising at least one ratchet bar and a cooperating ratchet retainer adapted to slide on the ratchet bar. Excess length of the ratchet bar is removed to permit a conventional screw fastener to be engaged through the blind entry to the toggle wing assembly. The ratchet bar may be comprised of a ribbed construction, such as a saw-toothed surface, or a sequence of retaining openings therein.
Inventors
- 👤 Alfred A. Shamah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:55
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B13/00; F16B13/04; F16B13/08; F16B13/0808
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
132 words
A toggle fastener, comprising: (a) toggle wings, (b) a trunnion nut, said trunnion nut hingedly securing said toggle wings, (c) a screw element, (d) ratchet-retaining means for securing the toggle wings to a wall, (e) said ratchet-retaining means comprising at least one ratchet-securing member and a retainer, (f) said ratchet-securing member extending between the trunnion nut and a wall-hole and engaging said trunnion nut to orient said trunnion nut with respect to the wall-hole, (g) said retainer being adjustably securable to said ratchet-securing member on the opposite side of the wall-hole from said toggle wings, (h) whereby said toggle wings are secured to the wall by said ratchet-securing member and said retainer, and the trunnion nut is axially aligned with the wall-hole by said ratchet-securing member for engagement with the screw element.
Claim 2
Dependent Claim
132 words
A toggle fastener, comprising: (a) toggle wings, (b) a trunnion nut, said trunnion nut hingedly securing said toggle wings, (c) a screw element, (d) ratchet-retaining means for securing the toggle wings to a wall, (e) said ratchet-retaining means comprising at least one ratchet-securing member and a retainer, (f) said ratchet-securing member extending between the trunnion nut and a wall-hole and engaging said trunnion nut to orient said trunnion nut with respect to the wall-hole, (g) said retainer being adjustably securable to said ratchet-securing member on the opposite side of the wall-hole from said toggle wings, (h) whereby said toggle wings are secured to the wall by said ratchet-securing member and said retainer, and the trunnion nut is axially aligned with the wall-hole by said ratchet-securing member for engagement with the screw element.
Claim 3
Dependent Claim
70 words
A toggle fastener in accordance with claim 1, wherein (a) said ratchet-securing member comprises a head portion located between the trunnion nut and the toggle wings and having a bore defined therein having a fixed relationship with respect to said trunnion nut, and at least one arm portion formed integrally with said head portion, (b) whereby the trunnion nut swivels with said head portion for axial alignment with the wall-hole.
Claim 4
Dependent Claim
55 words
A toggle fastener in accordance with claim 2, wherein (a) said ratchet-securing member further comprises at least one ratchet bar extending from said head portion (b) said ratchet bar having a ribbed surface adapted for sliding engagement with said retainer (c) whereby said retainer is securable to said ratchet bar along the ribbed length thereof.
Claim 5
Dependent Claim
41 words
A toggle fastener in accordance with claim 3, wherein (a) said ribbed surface of said ratchet bar comprises a plurality of saw-teeth angled toward said head portion, (b) said ratchet bar being breakable at each thin portion formed by said saw-teeth.
References Cited (Backward Citations)
US2398220A
Cited
US2616327A
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US3581347A
Cited
US3605547A
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US4043245A
Cited
US4075924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-08-31 | 1985-03-02 | 1985-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-08-31 | 1989-03-02 | 1989-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-08-31 | 1993-03-02 | 1993-09-01 | $7700.00 | Window Closed / Lapsed |