US3662465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental treatment assemblies
Assignee: Siemens AG
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Filing: 1969-10-20
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Granted: 1972-05-16
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Expires: 1989-10-20
Abstract
Abstract A dental treatment assembly comprises a patient''s chair and a dental treatment unit supported by the chair which is mounted on a base for adjustment in a generally vertical direction relatively to the base. The dental treatment unit includes a housing, a dental hand appliance support arm pivotally connected to the upper surface of the housing and a dental spittoon unit mounted on the upper surface of the housing.
Inventors
- 👤 Erich Heubeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:08
CPC Classifications
A; A61; A61G; A61G15/00; A61G15/14
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
156 words
A dental treatment assembly, comprising in combination with a patient''s chair having a back and a seat, a floor-mounted base and means connecting said base with the seat of the chair for vertically adjusting the chair; a dental treatment unit comprising an elongated housing having an upper surface located to one side of the chair and extending in the direction of the chair, said upper surface having a surface portion located closer to the back of the chair than another more remote surface portion, a dental spittoon unit mounted upon that surface portion which is located closer to the back of the chair, a support arm, means carrying one end of said support arm upon that surface portion which is more remote from the back of the chair for pivotal arcuate movement about a vertical axis in a substantially horizontal plane, and a dental hand appliance unit carried by the other end of said support arm.
Claim 2
Dependent Claim
156 words
A dental treatment assembly, comprising in combination with a patient''s chair having a back and a seat, a floor-mounted base and means connecting said base with the seat of the chair for vertically adjusting the chair; a dental treatment unit comprising an elongated housing having an upper surface located to one side of the chair and extending in the direction of the chair, said upper surface having a surface portion located closer to the back of the chair than another more remote surface portion, a dental spittoon unit mounted upon that surface portion which is located closer to the back of the chair, a support arm, means carrying one end of said support arm upon that surface portion which is more remote from the back of the chair for pivotal arcuate movement about a vertical axis in a substantially horizontal plane, and a dental hand appliance unit carried by the other end of said support arm.
Claim 3
Dependent Claim
46 words
An assembly as set forth in claim 1, wherein the arm is mounted on said housing for generally vertical pivotal movement from and to a substantially horizontal position relatively to the housing, the arm being disposed in a plane above the spittoon unit in said position.
Claim 4
Dependent Claim
23 words
An assembly as set forth in claim 1, wherein the spittoon unit comprises a mouth rinsing tumbler filling device and a spittoon bowl.
Claim 5
Dependent Claim
51 words
An assembly as set forth in claim 2, wherein said one end of the arm is pivotally connected to a bearing which is constructed to permit pivotal arcuate movement of the arm through at least 50* to each side of a substantially vertical axis passing through the center of the bearing.
Claim 6
Dependent Claim
39 words
An assembly as set forth in claim 3, wherein a suction nozzle and a saliva extractor nozzle are mounted on respective supports which are carried by that end of the housing which is nearer the base of the chair.
Claim 7
Dependent Claim
60 words
An assembly as set forth in claim 2, wherein the housing is connected to the chair by means of an elongate support member rigidly secured to one side of, and extending lengthwise of the housing and the chair, the connection between the support member and the housing being capable of permitting linear movement of the housing relatively to the chair.
Claim 8
Dependent Claim
30 words
An assembly as set forth in claim 6, wherein releasable locking means are connected between the support member and the chair for securing the dental unit in any desired position.
References Cited (Backward Citations)
US3311411A
Cited
US3530513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |