US4851624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control assembly having panel illumination means
Assignee: Emerson Electric Co
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Filing: 1988-04-18
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Granted: 1989-07-25
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Expires: 2008-04-18
Abstract
Abstract A control assembly has various types of control elements such as switches and potentiometers carried in a housing. The housing includes an applique which has openings through which manual operating levers extend to operate the control elements. The applique includes labelling to indicate the functions being controlled. Lights are carried in the housing with the light emanating therefrom being directed to the openings for sharp illumination at the openings, in the levers, and the labelling.
Inventors
- 👤 Benjamin F. Chestnut
- 👤 Ellis P. Lipp
- 👤 Charles H. Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:16
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/16; H01H9/161; B; B60; B60Q; B60Q3/00; B60Q3/10; B60Q3/14; B60Q3/60; B60Q3/62; B60Q3/64
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
111 words
A control assembly comprising (a) a housing carrying at least one control element within said housing, (b) light means carried within said housing, (c) light directing means carried on said housing, said light directing means including: a translucent plate having first openings aligned with second openings in said housing, said translucent plate including serrations disposed along peripheries of said first openings; an opaque member between said light and said plate and covering said serrations; and plate extension means exposed to said light for reflecting light through said plate to said serrations; and (d) control element manual operating means coupled to said control element and extending through said first and second openings.
Claim 2
Dependent Claim
111 words
A control assembly comprising (a) a housing carrying at least one control element within said housing, (b) light means carried within said housing, (c) light directing means carried on said housing, said light directing means including: a translucent plate having first openings aligned with second openings in said housing, said translucent plate including serrations disposed along peripheries of said first openings; an opaque member between said light and said plate and covering said serrations; and plate extension means exposed to said light for reflecting light through said plate to said serrations; and (d) control element manual operating means coupled to said control element and extending through said first and second openings.
Claim 3
Dependent Claim
142 words
A control assembly comprising: (a) a housing carrying at least one control element within said housing, (b) light means carried within said housing, (c) light directing means carried on said housing, including a translucent plate having first openings aligned with second openings in said housing, said translucent plate including serrations disposed along peripheries of said first openings to further divert light, (d) an applique carried on said translucent plate and having third openings in line with said first and second openings, (e) control element manual operating means coupled to said control element and extending through said first, second and third openings, and (f) a depressed area on the surface of said translucent plate on which said applique is carried, said depressed area located directly between said serrations and the portion of said applique to be illuminated by light directed by said serrations.
Claim 4
Dependent Claim
142 words
A control assembly comprising: (a) a housing carrying at least one control element within said housing, (b) light means carried within said housing, (c) light directing means carried on said housing, including a translucent plate having first openings aligned with second openings in said housing, said translucent plate including serrations disposed along peripheries of said first openings to further divert light, (d) an applique carried on said translucent plate and having third openings in line with said first and second openings, (e) control element manual operating means coupled to said control element and extending through said first, second and third openings, and (f) a depressed area on the surface of said translucent plate on which said applique is carried, said depressed area located directly between said serrations and the portion of said applique to be illuminated by light directed by said serrations.
Claim 5
Dependent Claim
26 words
A control assembly according to claim 2 wherein said light directing means further includes a light reflector means carried between said translucent plate and said housing.
Claim 6
Dependent Claim
25 words
A control assembly according to claim 2 wherein there are light reflector means and light absorbing means disposed between said translucent plate and said applique.
Claim 7
Dependent Claim
20 words
A control assembly according to claim 4 further including color transmitting means disposed between said translucent plate and said applique.
Claim 8
Dependent Claim
24 words
A control assembly according to claim 2 further including a light pipe carried in at least one of said control element manual operating means.
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) | 1992-07-24 | 1993-01-23 | 1993-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-24 | 1997-01-23 | 1997-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-24 | 2001-01-23 | 2001-07-25 | $7700.00 | Window Closed / Lapsed |