US3927313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical operating lamp with individual spot-lights
Assignee: Original Hanau Quarzlampen GmbH
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Filing: 1974-01-23
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Granted: 1975-12-16
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Expires: 1994-01-23
Abstract
Abstract The present invention relates to a surgical operating lamp with adjustable individual spot-lights, disposed symmetrically about a central axis within a lighting body, the light rays of which meet approximately on the central axis of the surgical operating lamp at an adjustable distance from the lighting body.
Inventors
- 👤 Franz Dieter Herold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:01
CPC Classifications
F; F21; F21V; F21V13/00; F21V13/02; F21W; F21W2131/00; F21W2131/20; F21W2131/205; Y; Y10; Y10S; Y10S362/00; Y10S362/804
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
146 words
In a surgical operating lamp having a lighting body with individual, adjustable spotlights within the lighting body, the light rays of said spot-lights meeting approximately on the central axis at a distance from the lighting body, the improvements comprising: a. said individual lights are three in number and are disposed 120* from each other about the central axis of the lighting body, b. said lighting body tightly encloses said three individual lights and consists of an upper and lower portion attached together, said lower portion being attached to a lamp support means, wherein body said upper and said lower portions are generally triangular in plan view having convex vertices surrounding said three individual lamps and concave sides joining said vertices and, c. handles attached to the lower portion of the body at two of the concave sides to enable adjustment of the position of the lamp.
Claim 2
Dependent Claim
146 words
In a surgical operating lamp having a lighting body with individual, adjustable spotlights within the lighting body, the light rays of said spot-lights meeting approximately on the central axis at a distance from the lighting body, the improvements comprising: a. said individual lights are three in number and are disposed 120* from each other about the central axis of the lighting body, b. said lighting body tightly encloses said three individual lights and consists of an upper and lower portion attached together, said lower portion being attached to a lamp support means, wherein body said upper and said lower portions are generally triangular in plan view having convex vertices surrounding said three individual lamps and concave sides joining said vertices and, c. handles attached to the lower portion of the body at two of the concave sides to enable adjustment of the position of the lamp.
Claim 3
Dependent Claim
26 words
The improved surgical lamp of claim 1 wherein the external surface of said handles are tangent to the convex vertices on each end of said handles.
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) | 1978-12-15 | 1979-06-16 | 1979-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-15 | 1983-06-16 | 1983-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-15 | 1987-06-16 | 1987-12-16 | $7700.00 | Window Closed / Lapsed |