US3591234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dentist chair
Assignee: Individual
•
Filing: 1969-06-02
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Granted: 1971-07-06
•
Expires: 1989-06-02
Abstract
Abstract A dentist chair is described that is suspended from the ceiling on a telescoping post having a horizontally extending arm for supporting the chair above a floor without any obstruction between the chair and the floor. The chair may be raised and lowered as desired by extending or contracting the post. The chair can also be moved horizontally parallel with the major axis of the chair.
Inventors
- 👤 John J Condon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:02
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/02
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
176 words
A dentist chair for supporting a dental patient in an elevated position above a floor to enable a dentist to conveniently and effortlessly sit next to the patient along one side of the dental chair with his knees and legs under the dentist chair while he is working on the patient, comprising: 1. a frame; 2. an arm mounted on the frame for vertical movement, said arm extending horizontally outward to an end with no obstructions between the arm and the floor; 3. a contoured chair mounted on the end of the arm substantially perpendicular to the arm, said chair having a back section pivotably mounted on a seat section for movement between an upright position and a horizontal position; 4. a first drive means mounted on the frame and operatively connected to the arm for moving the arm and the contoured chair vertically above the flooR and 5. a second drive means mounted on the seat section and operatively connected to the back section for pivoting the back section between the upright and horizontal positions.
Claim 2
Dependent Claim
176 words
A dentist chair for supporting a dental patient in an elevated position above a floor to enable a dentist to conveniently and effortlessly sit next to the patient along one side of the dental chair with his knees and legs under the dentist chair while he is working on the patient, comprising: 1. a frame; 2. an arm mounted on the frame for vertical movement, said arm extending horizontally outward to an end with no obstructions between the arm and the floor; 3. a contoured chair mounted on the end of the arm substantially perpendicular to the arm, said chair having a back section pivotably mounted on a seat section for movement between an upright position and a horizontal position; 4. a first drive means mounted on the frame and operatively connected to the arm for moving the arm and the contoured chair vertically above the flooR and 5. a second drive means mounted on the seat section and operatively connected to the back section for pivoting the back section between the upright and horizontal positions.
Claim 3
Dependent Claim
26 words
an arm mounted on the frame for vertical movement, said arm extending horizontally outward to an end with no obstructions between the arm and the floor;
Claim 4
Dependent Claim
26 words
an arm mounted on the frame for vertical movement, said arm extending horizontally outward to an end with no obstructions between the arm and the floor;
Claim 5
Dependent Claim
22 words
A dentist chair as defined in claim 1 wherein the frame is suspended from a ceiling without any support from the floor.
Claim 6
Dependent Claim
109 words
A dentist chair as defined in claim 1 wherein the frame includes a subframe mounted to the ceiling with a first tube having a rectangular cross section affixed to the subframe and extending downward terminating above the floor and a second tube having a similar rectangular cross section telescopically mounted within the first tube with one end extending downward below the first tube and wherein the arm is affixed to the lower end of the second tube and wherein the drive means is operatively connected to the upper end of the second tube to move the second tube vertically within the first tube to raise and lower the chair.
Claim 7
Dependent Claim
37 words
a contoured chair mounted on the end of the arm substantially perpendicular to the arm, said chair having a back section pivotably mounted on a seat section for movement between an upright position and a horizontal position;
Claim 8
Dependent Claim
37 words
a contoured chair mounted on the end of the arm substantially perpendicular to the arm, said chair having a back section pivotably mounted on a seat section for movement between an upright position and a horizontal position;
Claim 9
Dependent Claim
27 words
a first drive means mounted on the frame and operatively connected to the arm for moving the arm and the contoured chair vertically above the flooR and
Claim 10
Dependent Claim
27 words
a first drive means mounted on the frame and operatively connected to the arm for moving the arm and the contoured chair vertically above the flooR and
Claim 11
Dependent Claim
32 words
A dentist chair as defined in claim 3 wherein the subframe is movably mounted in tracks suspended from the ceiling parallel with the chair to permit the chair to be moved longitudinally.
Claim 12
Dependent Claim
26 words
A dentist chair as defined in claim 1 wherein a seatbelt is mounted in the backrest to facilitate the securing of the patient in the chair.
Claim 13
Dependent Claim
27 words
a second drive means mounted on the seat section and operatively connected to the back section for pivoting the back section between the upright and horizontal positions.
Claim 14
Dependent Claim
27 words
a second drive means mounted on the seat section and operatively connected to the back section for pivoting the back section between the upright and horizontal positions.
Claim 15
Dependent Claim
33 words
A dentist chair as defined in claim 3 further comprising an upright standard mounted to the side of the lower end of the second tube for supporting a service tray and chair light
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |