US4311467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembly for paired face to face dental trainees
Assignee: J Morita Manufaturing Corp
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Filing: 1980-07-23
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Granted: 1982-01-19
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Expires: 2000-07-23
Abstract
Abstract This disclosure relates to an assembly for paired face to face dental trainees designed to permit two trainees to receive training in dental treatment by seating them in an opposed relation with each other with the desk placed therebetween. The assembly is greatly contributable to a reduction in space, cost in that it comprises human head models and freely drawable and retractable instruments symmetrically mounted in the front and rear side of the desk assembly, drawing and retraction devices for the instruments housed in the upper and lower layers in the desk, a control unit and a piping unit each for a supply fluid housed in the desk, and side boxes attached to the same side on the front and the rear side of the desk and adapted to store treatment tools, utensils and the like therein.
Inventors
- 👤 Daryl R. Beach
- 👤 Kazuo Hayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:10
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/28; G09B23/283
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
139 words
An assembly for paired face to face dental trainees comprising a longitudinally symmetrically combined desk capable of seating two trainees in a longitudinally opposed relation with each other, instruments freely drawable and retractable with flexible connection pipes from and into each end face on the front and rear sides of said desk, human head models including the jaws and protrudently mounted in said each end face, instrument drawing and retraction devices housed in layers inside said each front and rear side desk, storing boxes each provided on said each front and rear side desk, a control unit and a piping unit each for a fluid supply such as air, water and the like housed in each of said storing boxes, and side boxes mounted symmetrically integrally to the same side on each front and rear side of said desk.
Claim 2
Dependent Claim
139 words
An assembly for paired face to face dental trainees comprising a longitudinally symmetrically combined desk capable of seating two trainees in a longitudinally opposed relation with each other, instruments freely drawable and retractable with flexible connection pipes from and into each end face on the front and rear sides of said desk, human head models including the jaws and protrudently mounted in said each end face, instrument drawing and retraction devices housed in layers inside said each front and rear side desk, storing boxes each provided on said each front and rear side desk, a control unit and a piping unit each for a fluid supply such as air, water and the like housed in each of said storing boxes, and side boxes mounted symmetrically integrally to the same side on each front and rear side of said desk.
Claim 3
Dependent Claim
36 words
An assembly according to claim 1, wherein said side boxes are brought into abutment with each other with no space longitudinally left therebetween when a plurality of said desk assemblies are arranged in a side-by-side relation.
Claim 4
Dependent Claim
37 words
An assembly according to claim 2, wherein the front and the rear side of each of said longitudinally adjacnent side boxes are aligned flush with the front and the rear side of said laterally adjacent desk assemblies.
Claim 5
Dependent Claim
35 words
An assembly according to claim 2, or 3, wherein a tray is placed on each of said side boxes and said instruments are adapted to be retained in the state of their being drawn out.
Claim 6
Dependent Claim
33 words
An assembly according to claim 1, wherein said control unit and said piping unit each for a supply liquid are connected by feed pipes divergently from one main duct laid on the floor.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-01-18 | 1985-07-20 | 1986-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-01-18 | 1989-07-20 | 1990-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-01-18 | 1993-07-20 | 1994-01-19 | $7700.00 | Window Closed / Lapsed |