US3570477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paralytic activating machine
Assignee: Individual
•
Filing: 1969-04-28
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Granted: 1971-03-16
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Expires: 1989-04-28
Abstract
Abstract A machine for use by paralytic patients, the machine permitting the patient to do various exercises directly from a wheelchair, the machine including a frame with leg straps to support the patient''s knees, the frame carrying a rotatable handcrank driving a footcrank on which the patient places his feet, thus promoting exercise of the leg muscles and joints.
Inventors
- 👤 John V Scrivner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:54
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A61H1/0214; A63; A63B; A63B21/00; A63B21/02; A63B21/04; A63B22/00; A63B22/0002; A63B22/001; A63B22/06; A63B22/0605; A63B22/0694
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
70 words
In a paralytic activating machine for paralytic patients, the combination of a frame mounted on a thin base panel, said frame comprised of a pair of side legs on each side, a side bar surmounting each pair of side legs, one end of each side bar being integrally connected to one end of an upstanding U-shaped scaffold from which a pair of tension springs depend, each spring supporting a ring.
Claim 2
Dependent Claim
70 words
In a paralytic activating machine for paralytic patients, the combination of a frame mounted on a thin base panel, said frame comprised of a pair of side legs on each side, a side bar surmounting each pair of side legs, one end of each side bar being integrally connected to one end of an upstanding U-shaped scaffold from which a pair of tension springs depend, each spring supporting a ring.
Claim 3
Dependent Claim
61 words
The combination as set forth in claim 1, wherein a bearing bracket is secured on each side bar, a transverse handcrank supported rotatably free within said brackets, a sprocket at each end of said handcrank connected by endless chain to a sprocket at each end of a transverse footcrank supported rotatably free in bearing blocks mounted on leg at each side.
Claim 4
Dependent Claim
30 words
The combination as set forth in claim 2, wherein a brace between each side bar and a leg supports a tension spring to which is attached a leather knee strap.
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) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |