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Patent US4635932A successfully refreshed from Google Patents.
US4635932A
Expired / Lapsed
US
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Ankle and lower leg exerciser for proprioceptive rehabilitation
Assignee: Cerebral Palsy Research Foundation of Kansas Inc
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Filing: 1985-04-12
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Granted: 1987-01-13
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Expires: 2005-04-12
Abstract
Abstract An ankle and lower leg exerciser for use in the strengthening and proprioceptive training of an ankle and lower leg. The exerciser having an oval-shaped table adjustable in height and specifically designed to enhance and limit specific ranges of motion of the ankle thereby promoting and preventing normal and abnormal stresses.
Inventors
- 👤 James A. Dewees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:45
CPC Classifications
A; A63; A63B; A63B22/00; A63B22/18; A63B22/0025; A63B2022/0033; A63B21/00; A63B21/02; A63B21/028
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
143 words
An ankle and lower leg exerciser, the exerciser comprising: a base adapted for receipt on a floor, the base including a base flange having a threaded aperture therein; an oval-shaped foot table having an aperture through the center thereof for receiving a mounting plate attached thereto, the mounting plate having a rubber bushing therein; and a table flange having an upper post and a lower post, the lower post threadably received in the threaded aperture of the base flange for adjusting the height of the table above the base, the upper post received through the rubber bushing and attached to the mounting plate, the rubber bushing allowing, through its resilience, limited movement of the table against the upper post, the table having a forward or toe portion, a rear or heel portion, a right side portion and a left side or arch portion.
Claim 2
Dependent Claim
143 words
An ankle and lower leg exerciser, the exerciser comprising: a base adapted for receipt on a floor, the base including a base flange having a threaded aperture therein; an oval-shaped foot table having an aperture through the center thereof for receiving a mounting plate attached thereto, the mounting plate having a rubber bushing therein; and a table flange having an upper post and a lower post, the lower post threadably received in the threaded aperture of the base flange for adjusting the height of the table above the base, the upper post received through the rubber bushing and attached to the mounting plate, the rubber bushing allowing, through its resilience, limited movement of the table against the upper post, the table having a forward or toe portion, a rear or heel portion, a right side portion and a left side or arch portion.
Claim 3
Dependent Claim
50 words
The exerciser as described in claim 1 wherein the toe portion and heel portion have a length less than the arch portion and right side portion so the arch portion and the right side portion do not have as great an angle of motion as the toe and heel portions.
Claim 4
Dependent Claim
33 words
The exerciser as described in claim 1 wherein the arch portion has a length greater than the right side portion so the arch portion does not have as great an angle of motion.
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) | 1990-01-12 | 1990-07-14 | 1991-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-12 | 1994-07-14 | 1995-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-12 | 1998-07-14 | 1999-01-13 | $7700.00 | Window Closed / Lapsed |