US3589359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unidirectional fiberglass composite drop-foot brace
Assignee: United States Department of the Army
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Filing: 1968-07-24
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Granted: 1971-06-29
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Expires: 1988-07-24
Abstract
Abstract This invention relates to a novel foot brace constructed of unidirectional fiberglass reinforced with epoxy resin. The brace is designed of light flexible plastic and includes two embodiments. The first is a bilateral drop-foot brace consisting of two fiberglass-epoxy rods disposed on each side of the wearer''s leg, and extending from a calf band to shoe adapters. The second is a fiberglass-epoxy resin posterior, unibar, dropfoot brace having a contoured brace rod extending from a calf band to a single shoe connection.
Inventors
- 👤 James T Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:21
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/18; A43B7/20; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0104; A61F5/0111; A61F5/0113
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
142 words
A drop-foot brace comprising: a. dual flexible brace rods, said rods constructed from fiberglass reinforced, epoxy resin; b. a calf band attached to the upper ends of said brace rods, and adapted to be releasably secured around the calf of a wearer; c. a shoe connector disposed at the heel of a brace shoe including a flat plate having a rear portion connected to the heel of the shoe, a forwArd portion aligned with the sole of the shoe, and lateral extensions; and d. shoe adapter means for attaching said brace rods to said shoe connector and further including a wedging portion having inclined sections above and below said lateral extensions of said plate and a setscrew which enables the connector plate to be adjusted to set the desired angle between the longitudinal axes of said brace shoe and said brace rods.
Claim 2
Dependent Claim
142 words
A drop-foot brace comprising: a. dual flexible brace rods, said rods constructed from fiberglass reinforced, epoxy resin; b. a calf band attached to the upper ends of said brace rods, and adapted to be releasably secured around the calf of a wearer; c. a shoe connector disposed at the heel of a brace shoe including a flat plate having a rear portion connected to the heel of the shoe, a forwArd portion aligned with the sole of the shoe, and lateral extensions; and d. shoe adapter means for attaching said brace rods to said shoe connector and further including a wedging portion having inclined sections above and below said lateral extensions of said plate and a setscrew which enables the connector plate to be adjusted to set the desired angle between the longitudinal axes of said brace shoe and said brace rods.
Claim 3
Dependent Claim
117 words
A drop-foot brace comprising: a. dual flexible brace rods, said rods constructed from fiberglass reinforced, epoxy resin; b. a calf band attached to the upper ends of said brace rods, and adapted to be releasably secured around the calf of a wearer; c. a shoe connector having a flat plate said connector being disposed at the heel of a brace shoe; and d. shoe adapter means for attaching said brace rods to said shoe connector, said adapter means including a wedging portion having inclined sections above and below said connector plate and further including means to adjust said connector plate to set the desired angle between the longitudinal axes of the brace shoe and said brace rods.
Claim 4
Dependent Claim
117 words
A drop-foot brace comprising: a. dual flexible brace rods, said rods constructed from fiberglass reinforced, epoxy resin; b. a calf band attached to the upper ends of said brace rods, and adapted to be releasably secured around the calf of a wearer; c. a shoe connector having a flat plate said connector being disposed at the heel of a brace shoe; and d. shoe adapter means for attaching said brace rods to said shoe connector, said adapter means including a wedging portion having inclined sections above and below said connector plate and further including means to adjust said connector plate to set the desired angle between the longitudinal axes of the brace shoe and said brace rods.
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) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |