Patent US4130858A successfully refreshed from Google Patents.
US4130858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp-moving device
Assignee: Yamada Iryo Shomei KK
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Filing: 1977-04-13
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Granted: 1978-12-19
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Expires: 1997-04-13
Abstract
Abstract The present invention relates to a device for moving lamps used in clinical situations. The moving device has rails and a support which is movable on these rails. The rails are buried in the ceiling and the lamp is suspended from the support. The lamp is movable across an opening provided in the bottom of the rails. A belt is stretched across the total area of said opening to completely seal the opening; the downward support for the lamp passes through this belt; and the belt is movable together with the movement of the lamp.
Inventors
- 👤 Yoshito Hayakawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:29
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/34; F21W; F21W2131/00; F21W2131/20; F21W2131/205
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
83 words
A lamp-moving device for moving a lamp mounted in a ceiling across the ceiling, said device comprising: rail means embedded in said ceiling, flush therewith, and having a longitudinal opening therein flush with said ceiling; lamp support means within and extending downward from said rail means through said opening for supporting and moving said lamp within said rail means; and belt means surrounding and movable with said lamp support means within said rail means and positioned over said opening for sealing said opening.
Claim 2
Dependent Claim
83 words
A lamp-moving device for moving a lamp mounted in a ceiling across the ceiling, said device comprising: rail means embedded in said ceiling, flush therewith, and having a longitudinal opening therein flush with said ceiling; lamp support means within and extending downward from said rail means through said opening for supporting and moving said lamp within said rail means; and belt means surrounding and movable with said lamp support means within said rail means and positioned over said opening for sealing said opening.
Claim 3
Dependent Claim
51 words
A device as claimed in claim 1 wherein said rail means is comprised of a box-like structure embedded in said ceiling flush therewith, said structure having an opening running the length thereof on the bottom side flush with said ceiling, and said opening being spaced from the sides of said structure.
Claim 4
Dependent Claim
62 words
A device as claimed in claim 2 wherein said lamp support is comprised of: a horizontal base within said box-like structure; a lamp-suspending arm attached to said horizontal base and extending downward thereform through said opening and said belt means over said opening; and wheel means on said horizontal base contacting said box-like structure for moving said base within said box-like structure.
Claim 5
Dependent Claim
40 words
A device as claimed in claim 3 wherein said wheel means is comprised of a plurality of first wheels attached to the sides of said base and contacting the bottom of said box-like structure on both sides of said opening.
Claim 6
Dependent Claim
40 words
A device as claimed in claim 4 wherein said wheel means is further comprised of a plurality of second wheels attached to the sides of said base, extending outward therefrom and in contact with the sides of said box-like structure.
Claim 7
Dependent Claim
55 words
A device as claimed in claim 1 wherein said belt means is comprised of: a pair of belt-support drums, each rotatably mounted at opposite ends of said rail means; and an endless loop belt stretched over said belt-support drums, completely covering and sealing said opening in said rail means, and surrounding said lamp support means.
Claim 8
Dependent Claim
37 words
A device as claimed in claim 6 wherein said belt means is further comprised of at least one spring-type support arm connecting at least one of said rotatable support drums to the end of said rail means.
Claim 9
Dependent Claim
47 words
A device as claimed in claim 6 wherein said belt means is further comprised of a plurality of belt guide means attached to the bottom of said rail means on both sides of said opening for contacting said belt and holding said belt tightly over said opening.
References Cited (Backward Citations)
US1972931A
Cited
US3086478A
Cited
US3051772A
Cited
US3504172A
Cited
US3577930A
Cited
US3580183A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-12-18 | 1982-06-19 | 1982-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-18 | 1986-06-19 | 1986-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-18 | 1990-06-19 | 1990-12-19 | $7700.00 | Window Closed / Lapsed |