Patent US3919540A successfully refreshed from Google Patents.
US3919540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety light
Assignee: Hill Rom Co Inc
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Filing: 1974-04-11
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Granted: 1975-11-11
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Expires: 1994-04-11
Abstract
Abstract A light assembly for a hospital room head wall having means for positioning a bed with respect to the light, means providing a source of electrical energy for the bed and means responsive to interferring movement of the bed with the light to interrupt the supply of electrical energy to the bed.
Inventors
- 👤 Francis J Burst
- 👤 Eugene H Fullenkamp
- 👤 James H Scott
- 👤 David J Sunderman
- 👤 L Dale Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:26
CPC Classifications
F; F21; F21V; F21V33/00; F21V33/0064; F21V33/0068; F21V33/0072
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
120 words
A safety light assembly comprising: a. an elongated horizontal light fixture adapted to be mounted on a wall; b. a bumper assembly adapted to be attached to a wall below said light fixture and having guide means for locating a hospital bed thereof centrally of said light fixture, said bumper assembly having an electrical outlet for delivering electric energy to said hospital bed; c. an electric circuit adapted for connection to a source of energy and extending through said light fixture to said electrical outlet; and d. a movable switch in said circuit and carried by said light fixture responsive to interfering movement of said bed with said light fixture to disrupt the supply of electric energy to said bed.
Claim 2
Dependent Claim
120 words
A safety light assembly comprising: a. an elongated horizontal light fixture adapted to be mounted on a wall; b. a bumper assembly adapted to be attached to a wall below said light fixture and having guide means for locating a hospital bed thereof centrally of said light fixture, said bumper assembly having an electrical outlet for delivering electric energy to said hospital bed; c. an electric circuit adapted for connection to a source of energy and extending through said light fixture to said electrical outlet; and d. a movable switch in said circuit and carried by said light fixture responsive to interfering movement of said bed with said light fixture to disrupt the supply of electric energy to said bed.
Claim 3
Dependent Claim
23 words
An apparatus as recited in claim 1 in which said light fixture carries means for indicating intereference between said light and said bed.
Claim 4
Dependent Claim
18 words
An apparatus as recited in claim 2 in which said indicator means includes audio and visual indicating devices.
Claim 5
Dependent Claim
36 words
An apparatus as recited in claim 1 in which said light fixture comprises a light device for directing light upwardly and a light unit for directing light downwardly upon a bed centered by said bumper assembly.
Claim 6
Dependent Claim
70 words
A hospital light assembly comprising: a. a mounting bracket; b. an elongated light fixture mounted upon said bracket to extend horizontally outward from said bracket; c. a first lighting unit exposed underneath said light fixture to provide direct light downwardly; d. a second lighting unit exposed above said assembly providing light upwardly; and e. means for pivoting said second lighting unit about a horizontal axis to direct its light downwardly.
Claim 7
Dependent Claim
70 words
A hospital light assembly comprising: a. a mounting bracket; b. an elongated light fixture mounted upon said bracket to extend horizontally outward from said bracket; c. a first lighting unit exposed underneath said light fixture to provide direct light downwardly; d. a second lighting unit exposed above said assembly providing light upwardly; and e. means for pivoting said second lighting unit about a horizontal axis to direct its light downwardly.
Claim 8
Dependent Claim
53 words
An apparatus as recited in claim 5 in which: a. said second lighting fixture comprises an elongated support member carrying fluorscent lighting tubes; and b. said means for pivoting said second lighting fixture comprises hinge means for rotating said support member from a generally horizontally position to a position for directing light downwardly.
Claim 9
Dependent Claim
45 words
An apparatus as recited in claim 5 in which: a. said means for pivoting said second lighting unit comprises hinge means carried by said fixture along its forward edge away from the wall; and b. extendible levers for pivoting the unit about said hinge means.
Claim 10
Dependent Claim
20 words
An apparatus as recited in claim 5 in which said first and second lighting units are provided with transparent lenses.
Claim 11
Dependent Claim
26 words
An apparatus as recited in claim 5 in which: a. said light assembly carries guide means for centering a bed directly below said first lighting unit.
Claim 12
Dependent Claim
45 words
A safety light assembly comprising: a. a light fixture adapted to be mounted on a wall above an electrically operated bed; and b. safety switch means carried by said light fixture for precluding damaging interference between equipment carried by said bed and said light fixture.
Claim 13
Dependent Claim
45 words
A safety light assembly comprising: a. a light fixture adapted to be mounted on a wall above an electrically operated bed; and b. safety switch means carried by said light fixture for precluding damaging interference between equipment carried by said bed and said light fixture.
Claim 14
Dependent Claim
60 words
An apparatus as recited in claim 10 in which said safety switch means includes: a. an electrical circuit adapted for connection to a source of electric energy extending through said light unit to said bed; and b. switch means within said circuit for interrupting electric power delivery to said bed upon physical contact between said equipment and said light fixture.
Claim 15
Dependent Claim
54 words
A light assembly comprising: a. an enlongated light fixture adapted to be mounted on a wall to extend outwardly therefrom; b. said fixture having a first light unit for directing light downwardly and a second light unit for directing light upwardly; and c. means for pivoting said second light unit for directing light downwardly.
Claim 16
Dependent Claim
54 words
A light assembly comprising: a. an enlongated light fixture adapted to be mounted on a wall to extend outwardly therefrom; b. said fixture having a first light unit for directing light downwardly and a second light unit for directing light upwardly; and c. means for pivoting said second light unit for directing light downwardly.
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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) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |