US3901222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chiropractic adjusting device
Assignee: Individual
•
Filing: 1974-08-09
•
Granted: 1975-08-26
•
Expires: 1994-08-09
Abstract
Abstract The chiropractic adjusting device comprises an elongate bedplate and a pair of pressing members retained on said bedplate with the pressing planes thereof opposed to each other and adopted to render the interval between said pressing planes adjustable.
Inventors
- 👤 Toshiyuki Muramatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:49
CPC Classifications
A; A61; A61H; A61H1/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
102 words
A chiropractic adjusting device comprising a bedplate, a pair of elongated pressing members each provided with an apex section for supporting a patient''s back, said apex section presenting a substantially semi-circular configuration in its cross-sectional plane vertical to the longitudinal axis of the pressing member and having at one terminal portion a curved surface for pressing an effective point of the patient''s back, and connection means for retaining said pressing member on said bedplate in a manner that they are in alignment with each other and their curved surfaces are faced to each other at an interval and for adjusting said interval.
Claim 2
Dependent Claim
102 words
A chiropractic adjusting device comprising a bedplate, a pair of elongated pressing members each provided with an apex section for supporting a patient''s back, said apex section presenting a substantially semi-circular configuration in its cross-sectional plane vertical to the longitudinal axis of the pressing member and having at one terminal portion a curved surface for pressing an effective point of the patient''s back, and connection means for retaining said pressing member on said bedplate in a manner that they are in alignment with each other and their curved surfaces are faced to each other at an interval and for adjusting said interval.
Claim 3
Dependent Claim
60 words
A chiropractic adjusting device according to claim 1 wherein said connection means comprises a longitudinally extending groove whose cross section is reversed T-shaped and which is formed in the upper surface of the bedplate, and the foot section of the pressing members having a cross sectional configuration adapted for the configuration of said groove and slidable longitudinally of the groove.
Claim 4
Dependent Claim
21 words
A chiropractic adjusting device according to claim 2 further comprising fastening means for fixing said pressing members in a desired position.
Claim 5
Dependent Claim
72 words
A chiropractic adjusting device according to claim 1 wherein said connection means comprises a groove formed in the upper surface of the bedplate and provided with side wall portions having a saw-tooth like cross section whose tooth-tips are arranged at prescribed pitches, and foot section of the pressing member detachably insertable into said groove in a direction perpendicular thereto and provided with side wall portions complementarily engageable with those of said groove.
Claim 6
Dependent Claim
42 words
A chiropractic adjusting device according to claim 4 wherein said pressing members each include flexible plate means provided on the underside of said foot section; and the bottom of said groove is provided with projecting means frictionally engageable with said plate means.
Claim 7
Dependent Claim
45 words
A chiropractic adjusting device according to claim 5 wherein said plate means consists of a pair of vertical plates longitudinally extending parallel with each other; and said projecting means consists of projections in two rows for sandwiching said paired plates between the two projection rows.
Claim 8
Dependent Claim
25 words
A chiropractic adjusting device according to claim 4 wherein said apex section of each pressing member is downwardly inclined toward said one apex terminal portion.
Claim 9
Dependent Claim
25 words
A chiropractic adjusting device according to claim 1 wherein said apex section of each pressing member is downwardly inclined toward said one apex terminal portion.
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) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |