Patent US4329982A successfully refreshed from Google Patents.
US4329982A
Expired / Lapsed
US
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Orthotic foot assist apparatus
Assignee: Individual
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Filing: 1980-10-17
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Granted: 1982-05-18
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Expires: 2000-10-17
Abstract
Abstract An apparatus for assisting a person having a foot-drop type disability is provided which includes a leg attachment member, an elastomeric support strap, and a latch and loop for attaching the support strap to the wearer's foot. The elastomeric support strap is secured to both the leg attachment member and one of the latch or loop. When the apparatus is in use, the elastomeric support strap contracts to raise the wearer's foot during the time period that the wearer is not forcibly extending the strap by downwardly extending his or her foot.
Inventors
- 👤 Audrey C. Heaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:54
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0104; A61F5/0111; A61F5/0113
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
168 words
An apparatus for assisting a person having a foot-drop type disability, comprising; a leg attachment member; an elastomeric support strap secured to said leg attachment member; and a shoe with a cooperating means for attaching said support strap to said shoe, said means for attaching further comprising a loop and a latch, one of said loop and said latch being secured to said shoe of the wearer at a point generally on the forward portion of said shoe and on the lateral side of said shoe, while the other of said loop and said latch is secured to said elastomeric support strap which, in turn, is secured to said leg attachment means at a point on the lateral side of the wearer's leg so that when said apparatus is worn said strap contracts to raise the wearer's foot during the time said wearer is not forcibly extending said strap by the downward extension of said foot and simultaneously effects eversion when said strap operates to raise said foot.
Claim 2
Independent Claim
168 words
An apparatus for assisting a person having a foot-drop type disability, comprising; a leg attachment member; an elastomeric support strap secured to said leg attachment member; and a shoe with a cooperating means for attaching said support strap to said shoe, said means for attaching further comprising a loop and a latch, one of said loop and said latch being secured to said shoe of the wearer at a point generally on the forward portion of said shoe and on the lateral side of said shoe, while the other of said loop and said latch is secured to said elastomeric support strap which, in turn, is secured to said leg attachment means at a point on the lateral side of the wearer's leg so that when said apparatus is worn said strap contracts to raise the wearer's foot during the time said wearer is not forcibly extending said strap by the downward extension of said foot and simultaneously effects eversion when said strap operates to raise said foot.
Claim 3
Dependent Claim
33 words
An apparatus as described in claim 1, wherein said leg attachment member comprises an adjustable band securable to the leg at a point on the lower leg on or immediately above the calf.
Claim 4
Dependent Claim
54 words
An apparatus as described in claim 2 wherein said adjustable band comprises a width of fabric having one bifurcated end forming two narrower strips; and an adjustable closure device affixed on each of said strips and cooperating therewith so that either side of said band is selectively adjustable to conform to the wearer's leg.
Claim 5
Dependent Claim
39 words
An apparatus as described in claim 3, wherein said adjustable closure devices comprise lengths of adhesive cloth attached to said adjustable band and said strips so that said lengths adhere cooperatively to hold said band on the wearer's leg.
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) | 1985-05-17 | 1985-11-16 | 1986-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-17 | 1989-11-16 | 1990-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-17 | 1993-11-16 | 1994-05-18 | $7700.00 | Window Closed / Lapsed |