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US4459980A Expired / Lapsed US ⏱️ 0.0 years remaining

Ankle and foot brace

Assignee: BALLERT ORTHOPEDIC CORP
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Filing: 1982-06-18
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Granted: 1984-07-17
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Expires: 2002-06-18
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Abstract

Abstract The invention disclosed herein is an ankle and foot brace adjustable readily to fit numerous sizes of shoes and legs, the brace includes a pair of spaced leg members, each leg member having means for adjusting the length of the leg member; an adjustable calf attachment means is cooperatively carried by each of the leg members adjacent to the upper ends thereof and extends in use about the wearer's calf for respectively securing the leg members thereto; a bias means on the other end of each leg member to provide dorsiflexion assistance to the wearer's shoes by an adjustable clamping means carried by the leg members adjacent to the lower ends thereof and attaching in use about the wearer's shoe for securing the leg member thereto.

Inventors

  • 👤 Donald A. Perser
  • 👤 Erich W. Mohn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 15:21
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0102; A61F5/0104; A61F5/0111; A61F5/0113; Y; Y10; Y10S; Y10S128/00; Y10S128/15

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 186 words
An ankle and foot brace mountable to a shoe and adjustable readily to fit numerous sizes of shoes and legs, said brace comprising: a pair of spaced leg members, each leg members having means for adjusting the length of said leg member; adjustable means for attaching said brace to the calf of a wearer, said attachment means including a pair of calf bands respectively connected to opposite ends of said leg members, extending in use about said wearer's calf for respectively securing said leg members thereto, and cooperating to surround the wearer's calf, with the free ends of one of said calf bands respectively disposed and attachable in overlapping relationship with the free ends of the other said calf bands; means for biasing the other end of each said leg member to provide dorsiflexion assistance to a wearer's shoe; and adjustable means for clamping said leg members adjacent to the lower ends thereof and attaching in use about said wearer's shoe for securing said leg members thereto, said clamping means carried by said leg members and extending rearward along and in contact with said wearer's shoe.
Claim 2
Dependent Claim 186 words
An ankle and foot brace mountable to a shoe and adjustable readily to fit numerous sizes of shoes and legs, said brace comprising: a pair of spaced leg members, each leg members having means for adjusting the length of said leg member; adjustable means for attaching said brace to the calf of a wearer, said attachment means including a pair of calf bands respectively connected to opposite ends of said leg members, extending in use about said wearer's calf for respectively securing said leg members thereto, and cooperating to surround the wearer's calf, with the free ends of one of said calf bands respectively disposed and attachable in overlapping relationship with the free ends of the other said calf bands; means for biasing the other end of each said leg member to provide dorsiflexion assistance to a wearer's shoe; and adjustable means for clamping said leg members adjacent to the lower ends thereof and attaching in use about said wearer's shoe for securing said leg members thereto, said clamping means carried by said leg members and extending rearward along and in contact with said wearer's shoe.
Claim 3
Dependent Claim 135 words
The ankle and foot brace set forth in claim 1, wherein said adjustable clamping means comprises a pair of jaws and an adjusting screw, each jaw having a slot for receiving the sole of the wearer's shoe, a first of said jaws having a bore for holding the head of said screw, a second of said jaws having a threaded bore for receiving the threaded portion of said screw, said screw traversing said sole and being parallel to the underside of said sole; each of said jaws having a second bore in parallel alignment to said slot for receiving said leg members and for abutting the lower ends of said leg members against the wearer's shoe, said lower ends extending through said second bore rearward of said jaw and toward the heel of the shoe.
Claim 4
Dependent Claim 322 words
An ankle and foot brace adjustable readily to fit numerous sizes of shoes and legs, said brace comprising: a pair of spaced leg members having a rod-like configuration, each leg member having a first portion of rod-like configuration and a second portion of sleeve-like configuration to form an overlapping relationship, said first portion moving within said second portion to adjust the length of said leg members; a pair of calf bands respectively connected to opposite sides of said leg members and cooperating to surround the wearer's calf with the free ends of one of said calf bands respectively disposed in overlapping relationship with the free ends of the other said calf band, and fastening means for securing together the overlapping ends of said calf bands; a spring having a coil-like configuration, said spring being integrally formed with each of said leg members, each said spring being aligned to provide dorsiflexion assistance to the wearer's shoe; and an adjustable clamp having a pair of jaws and an adjustable screw, each jaw having a slot for receiving the sole of the wearer's shoe, said first jaw having a bore for holding the head of said screw, said second jaw having a threaded bore for receiving the threaded portion of said screw, said screw traversing the shoe's sole and being parallel to the underside of said sole, each of said jaws having a second bore in parallel alignment to said slot for receiving said leg members and for abutting the lower ends of said leg members against the heel of the wearer's shoe, said lower ends extending through said leg members against the heel of the wearer's shoe, said lower ends extending through said second bore rearward of said jaw and toward the heel of the shoe, each of said jaws having a first abutment surface for engaging the edge of said sole, and a second abutment surface for engaging the underside of said sole.
Claim 5
Dependent Claim 322 words
An ankle and foot brace adjustable readily to fit numerous sizes of shoes and legs, said brace comprising: a pair of spaced leg members having a rod-like configuration, each leg member having a first portion of rod-like configuration and a second portion of sleeve-like configuration to form an overlapping relationship, said first portion moving within said second portion to adjust the length of said leg members; a pair of calf bands respectively connected to opposite sides of said leg members and cooperating to surround the wearer's calf with the free ends of one of said calf bands respectively disposed in overlapping relationship with the free ends of the other said calf band, and fastening means for securing together the overlapping ends of said calf bands; a spring having a coil-like configuration, said spring being integrally formed with each of said leg members, each said spring being aligned to provide dorsiflexion assistance to the wearer's shoe; and an adjustable clamp having a pair of jaws and an adjustable screw, each jaw having a slot for receiving the sole of the wearer's shoe, said first jaw having a bore for holding the head of said screw, said second jaw having a threaded bore for receiving the threaded portion of said screw, said screw traversing the shoe's sole and being parallel to the underside of said sole, each of said jaws having a second bore in parallel alignment to said slot for receiving said leg members and for abutting the lower ends of said leg members against the heel of the wearer's shoe, said lower ends extending through said leg members against the heel of the wearer's shoe, said lower ends extending through said second bore rearward of said jaw and toward the heel of the shoe, each of said jaws having a first abutment surface for engaging the edge of said sole, and a second abutment surface for engaging the underside of said sole.

References Cited (Backward Citations)

GB117877A Cited
US2440894A Cited
US2439100A Cited
GB701746A Cited
US2712310A Cited
US3454002A Cited
US3859991A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-07-17 1988-01-16 1988-07-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-07-17 1992-01-16 1992-07-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-07-17 1996-01-16 1996-07-17 $7700.00 Window Closed / Lapsed

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