Patent US4193394A successfully refreshed from Google Patents.
US4193394A
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Back walker and massage device
Assignee: Individual
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Filing: 1978-08-18
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Granted: 1980-03-18
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Expires: 1998-08-18
Abstract
Abstract An exercising apparatus which additionally serves as a massager the device including a stand, roller rack and crank that readily assemble together in various ways so that a person placed in different positions thereupon, can exercise or massage certain areas of his body.
Inventors
- 👤 Billy Everett
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:48
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/06; A63B21/068; A61; A61H; A61H15/00; A61H2201/00; A61H2201/01; A61H2201/0119; A61H2201/0138; A61H2201/0142
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
68 words
A back walker, comprising in combination, a stand, a roller rack and a crank, said rack selectively being supported either directly from said stand or from said crank which is supported on said stand, and said rack including a plurality of parallel, spaced-apart rollers rotatable on bearings on bars slidable on channels of said rack, and spring means allowing change of distances between said rollers during an exercise.
Claim 2
Dependent Claim
68 words
A back walker, comprising in combination, a stand, a roller rack and a crank, said rack selectively being supported either directly from said stand or from said crank which is supported on said stand, and said rack including a plurality of parallel, spaced-apart rollers rotatable on bearings on bars slidable on channels of said rack, and spring means allowing change of distances between said rollers during an exercise.
Claim 3
Dependent Claim
34 words
The combination as set forth in claim 1 wherein said stand comprises an inverted U-shaped pipe frame upon feet, and hooks on said frame selectively engaging eyelets on said rack and on said crank.
Claim 4
Dependent Claim
43 words
The combination as set forth in claim 2 wherein said rack is ladder-shaped and one endmost of said roller bars is fixedly secured to said frame so that an endmost roller thereof engages a floor when one end of said rack rests thereupon.
Claim 5
Dependent Claim
34 words
The combination as set forth in claim 3 wheren said crank comprises a rectangular pipe frame integral with angular bars hooked on there ends, and a rotatable handle on one side of said frame.
Claim 6
Dependent Claim
64 words
The combination as set forth in claim 4 wherein said rack roller bars, with exception of said endmost roller bar, each includes a transverse opening near each end thereof, a straight rod extending through said openings and being affixed removably at one end to said rack, and said spring means comprising compression coil springs of various length around said rods between said roller bars.
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) | 1983-03-18 | 1983-09-17 | 1984-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-03-18 | 1987-09-17 | 1988-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-03-18 | 1991-09-17 | 1992-03-18 | $7700.00 | Window Closed / Lapsed |