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Patent US3896798A successfully refreshed from Google Patents.
US3896798A
Expired / Lapsed
US
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Therapeutic traction apparatus
Assignee: Individual
•
Filing: 1973-06-11
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Granted: 1975-07-29
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Expires: 1993-06-11
Abstract
Abstract Apparatus to provide traction to the spine of an user has a pair of spaced apart bars, each having a bolster which enables the user to support himself thereon with the feet off the ground; the bars are supported at each end by a coiled spring.
Inventors
- 👤 Peter J Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:24
CPC Classifications
A; A63; A63B; A63B3/00; A61; A61H; A61H1/00; A61H1/02; A61H1/0218; A61H1/0229; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1614
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
163 words
Apparatus to provide traction to the spine of the body of a user comprising a first and second pair of spaced apart upwardly extending members secured in fixed relationship, first spring means individual to said first pair, second spring means individual to said second pair, a pair of horizontally disposed spaced apart bars, at least one bolster means providing a padding to each horizontal bar intermediate of its length, each horizontal bar being supported at a corresponding one end by one of said first spring means with the other end supported by one of said second spring means at a height whereby the feet of the body of a user will clear the ground when the body of a user is supported by the user''s arms located on said bolster means, the ratio of the strength of the said first spring means to the strength of said second spring means increasing with the distance of said bolster means from said second spring means.
Claim 2
Dependent Claim
163 words
Apparatus to provide traction to the spine of the body of a user comprising a first and second pair of spaced apart upwardly extending members secured in fixed relationship, first spring means individual to said first pair, second spring means individual to said second pair, a pair of horizontally disposed spaced apart bars, at least one bolster means providing a padding to each horizontal bar intermediate of its length, each horizontal bar being supported at a corresponding one end by one of said first spring means with the other end supported by one of said second spring means at a height whereby the feet of the body of a user will clear the ground when the body of a user is supported by the user''s arms located on said bolster means, the ratio of the strength of the said first spring means to the strength of said second spring means increasing with the distance of said bolster means from said second spring means.
Claim 3
Dependent Claim
73 words
Apparatus to provide traction to the spine of the body of a user as claimed in claim 1, wherein said pair of horizontally disposed spaced apart bars are joined by a pair of connecting spaced apart bars forming a frame therewith to distribute the weight of the body of a user suspended therebetween, evenly over the spring means and thereby to provide uniform traction upon the spine of the body of a user.
References Cited (Backward Citations)
US1080297A
Cited
US1356365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |