Patent FR835643A successfully refreshed from Google Patents.
Patent US3636634A successfully refreshed from Google Patents.
US3636634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinge joint for dental articulator
Assignee: Individual
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Filing: 1970-10-28
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Granted: 1972-01-25
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Expires: 1990-10-28
Abstract
Abstract A hinge joint for a dental articulator is provided with a hinge part in the form of a spherical element carried by the lower bow member and a hinge part carried by the upper bow member including anterior and posterior guide parts conjointly providing a condylar guide surface seated upon the spherical element and an abutment engaging the side of the spherical element. The posterior guide part may be selectively rocked about its own principal axis relative to the anterior guide part and/or selectively moved back and forth in an arcuate path orbitally about the spherical element relative to the anterior guide part.
Inventors
- 👤 Anthony J De Pietro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:59
CPC Classifications
A; A61; A61C; A61C11/00; A61C11/02; A61C11/08; A61C11/081; A61C11/084
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
198 words
In a dental articulator, the combination comprising A. a lower bow member, B. an upper bow member, C. a pair of laterally spaced hinge-type joints for mounting said lower bow member each including 1. a hinge part in the form of a spherical element carried by said lower bow member, and 2. a hinge part carried by said upper bow member including a. an anterior guide part, b. a posterior guide part, said guide parts being provided with condylar guide surface areas conjointly extending over said spherical element and forwardly therefrom, c. means mounting said posterior guide part for being turned selectively relative to said anterior guide part about a principal axis of said posterior guide part extending fore and aft and/or moved selectively relative to said anterior guide part orbitally in a circular path about said spherical element, d. means operable for adjustably fixing said posterior guide part in a selected position, e. an abutment provided with an abutment surface engaging one side of said spherical element and extending forwardly therefrom, and f. means for mounting said anterior and posterior guide parts and said abutment for movement as a unit about the center of said spherical element.
Claim 2
Dependent Claim
198 words
In a dental articulator, the combination comprising A. a lower bow member, B. an upper bow member, C. a pair of laterally spaced hinge-type joints for mounting said lower bow member each including 1. a hinge part in the form of a spherical element carried by said lower bow member, and 2. a hinge part carried by said upper bow member including a. an anterior guide part, b. a posterior guide part, said guide parts being provided with condylar guide surface areas conjointly extending over said spherical element and forwardly therefrom, c. means mounting said posterior guide part for being turned selectively relative to said anterior guide part about a principal axis of said posterior guide part extending fore and aft and/or moved selectively relative to said anterior guide part orbitally in a circular path about said spherical element, d. means operable for adjustably fixing said posterior guide part in a selected position, e. an abutment provided with an abutment surface engaging one side of said spherical element and extending forwardly therefrom, and f. means for mounting said anterior and posterior guide parts and said abutment for movement as a unit about the center of said spherical element.
Claim 3
Dependent Claim
146 words
a hinge part carried by said upper bow member including a. an anterior guide part, b. a posterior guide part, said guide parts being provided with condylar guide surface areas conjointly extending over said spherical element and forwardly therefrom, c. means mounting said posterior guide part for being turned selectively relative to said anterior guide part about a principal axis of said posterior guide part extending fore and aft and/or moved selectively relative to said anterior guide part orbitally in a circular path about said spherical element, d. means operable for adjustably fixing said posterior guide part in a selected position, e. an abutment provided with an abutment surface engaging one side of said spherical element and extending forwardly therefrom, and f. means for mounting said anterior and posterior guide parts and said abutment for movement as a unit about the center of said spherical element.
Claim 4
Dependent Claim
146 words
a hinge part carried by said upper bow member including a. an anterior guide part, b. a posterior guide part, said guide parts being provided with condylar guide surface areas conjointly extending over said spherical element and forwardly therefrom, c. means mounting said posterior guide part for being turned selectively relative to said anterior guide part about a principal axis of said posterior guide part extending fore and aft and/or moved selectively relative to said anterior guide part orbitally in a circular path about said spherical element, d. means operable for adjustably fixing said posterior guide part in a selected position, e. an abutment provided with an abutment surface engaging one side of said spherical element and extending forwardly therefrom, and f. means for mounting said anterior and posterior guide parts and said abutment for movement as a unit about the center of said spherical element.
Claim 5
Dependent Claim
56 words
The combination according to claim 1 wherein the principal axis of the posterior guide part is generally horizontal and extends through the center of the spherical element, and the axis about which the posterior guide part may be moved orbitally in a circular path is generally upright and extends through the center of the spherical element.
Claim 6
Dependent Claim
63 words
The combination according to claim 2 wherein the condylar guide surface area of the posterior guide part extends downwardly as well as rearwardly from the condylar guide surface area of the anterior guide part and remains engaged with the spherical element throughout the full range of both turning and orbital movement of the posterior guide part with respect to the anterior guide part.
Claim 7
Dependent Claim
79 words
The combination according to claim 3 wherein the abutment surface is disposed in an upright position, and irrespective of the position of the posterior guide part within the range of its turning and/or orbital movement, the abutment surface and the rearwardly and downwardly extending condylar guide surface area of the posterior guide part remain constantly engaged with the spherical element when the anterior and posterior guide parts and the abutment are moved as a unit about said spherical element.
Claim 8
Dependent Claim
98 words
The combination according to claim 4 wherein the assembly includes a hollow jacket having a main body part, and a socketed part with a forwardly presenting generally semispherical surface area, the posterior guide part is provided with a corresponding rearwardly presenting generally semispherical surface area accommodated by the generally semispherical surface area of said socketed part, said posterior guide part being thereby nested in said socketed part for movement therein, the anterior guide part is mounted in said main body part of the jacket, and the abutment is carried by said anterior guide part in fixed relation thereto.
Claim 9
Dependent Claim
34 words
The combination according to claim 5 wherein the posterior guide part is provided with a pivot element extending rearwardly therefrom through an elongated opening in an arcuate wall area of said socketed jacket part.
Claim 10
Dependent Claim
33 words
The combination according to claim 6 wherein the longitudinal axis of the pivot element and the center of the spherical element are disposed in the generally longitudinal meDian plane of the elongated opening.
Claim 11
Dependent Claim
93 words
The combination according to claim 7 wherein the posterior guide part is undercut to provide the condylar guide surface area thereof and a lip overhanging the spherical element and extending forwardly across an upright plane extending transversely through the center of the spherical element, and the aft end portion of the anterior guide part feathers rearwardly to a point disposed in an upright plane extending longitudinally through the center of the spherical element in forward spaced close relation to said lip whereby to provide clearance for orbital movement of said posterior guide part.
Claim 12
Dependent Claim
23 words
The combination according to claim 8 wherein the point to which the anterior guide part feathers abuts the top of the spherical element.
Claim 13
Dependent Claim
38 words
The combination according to claim 7 wherein the means for adjustably fixing the posterior guide part against turning movement and against movement orbitally about the spherical elements are operable for effecting said movements each independently of the other.
Claim 14
Dependent Claim
69 words
The combination according to claim 7 wherein a flanged sleeve is nonturnably projected through the elongated opening in the socketed jacket part, the flange of the sleeve is releasably clamped to the socketed jacket part by a nut threaded on the sleeve, the pivot element projects freely through the sleeve, and the posterior guide part is releasably clamped to said flange by a nut threaded on said pivot element.
Claim 15
Dependent Claim
41 words
The combination according to claim 7 wherein the anterior guide part is carried by the main body part of the jacket and is mounted therein for being selectively positioned relative thereto about the central longitudinal axis of said main body part.
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) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |