Patent US4963785A successfully refreshed from Google Patents.
US4963785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorescent lamp unit
Assignee: Toshiba Lighting and Technology Corp
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Filing: 1989-06-30
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Granted: 1990-10-16
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Expires: 2009-06-30
Abstract
Abstract This invention relates to a fluorescent lamp unit which comprises a fluorescent lamp, and fluorescent-lamp mounting members mounted at end portions of the fluorescent lamp and for fixing the fluorescent lamp to other members. Between the fluorescent-lamp mounting members and the end portions of the fluorescent lamp, there are provided elastic means mounted so that the fluorescent-lamp mounting members can rotate by an angle not less than 1° relative to the fluorescent lamp, or elastic means mounted so that the fluorescent-lamp mounting means can deflect by not less than 0.1 mm in a longitudinal direction of the fluorescent lamp. The elastic means may be layers of an adhesive. The fluorescent-lamp mounting members may also include screwing means.
Inventors
- 👤 Masami Takagi
- 👤 Masahiko Aoyagi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:36
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/02; H; H01; H01J; H01J5/00; H01J5/50; H01J5/54; H01J5/58
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
66 words
A fluorescent lamp unit comprising: a fluorescent lamp; fluorescent-lamp mounting members mounted at end portions of the fluorescent lamp, for fixing said fluorescent lamp to other members; and elastic means interposed between said fluorescent-lamp mounting members and said end portions of the fluorescent lamp, and mounted so that said fluorescent-lamp mounting members can rotate by an angle not less than 1° relative to said fluorescent lamp.
Claim 2
Dependent Claim
66 words
A fluorescent lamp unit comprising: a fluorescent lamp; fluorescent-lamp mounting members mounted at end portions of the fluorescent lamp, for fixing said fluorescent lamp to other members; and elastic means interposed between said fluorescent-lamp mounting members and said end portions of the fluorescent lamp, and mounted so that said fluorescent-lamp mounting members can rotate by an angle not less than 1° relative to said fluorescent lamp.
Claim 3
Dependent Claim
19 words
A fluorescent lamp unit according to claim 1, wherein said elastic means consist of an adhesive having an elasticity.
Claim 4
Dependent Claim
16 words
A fluorescent lamp unit according to claim 1, wherein said fluorescent-lamp mounting members include screwing means.
Claim 5
Dependent Claim
69 words
A fluorescent lamp unit comprising: a fluorescent lamp; fluorescent-lamp mounting members mounted at end portions of the fluorescent lamp, for fixing said fluorescent lamp to other members; and elastic means interposed between said fluorescent-lamp mounting members and said end portions of the fluorescent lamp, and mounted so that said fluorescent-lamp mounting members can deflect by not less than 0.1 mm relative to a longitudinal direction of said fluorescent lamp.
Claim 6
Dependent Claim
69 words
A fluorescent lamp unit comprising: a fluorescent lamp; fluorescent-lamp mounting members mounted at end portions of the fluorescent lamp, for fixing said fluorescent lamp to other members; and elastic means interposed between said fluorescent-lamp mounting members and said end portions of the fluorescent lamp, and mounted so that said fluorescent-lamp mounting members can deflect by not less than 0.1 mm relative to a longitudinal direction of said fluorescent lamp.
Claim 7
Dependent Claim
19 words
A fluorescent lamp unit according to claim 4, wherein said elastic means consist of an adhesive having an elasticity.
Claim 8
Dependent Claim
16 words
A fluorescent lamp unit according to claim 4, wherein said fluorescent-lamp mounting members include screwing means.
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) | 1993-10-15 | 1994-04-16 | 1994-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-10-15 | 1998-04-16 | 1998-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-10-15 | 2002-04-16 | 2002-10-16 | $7700.00 | Window Closed / Lapsed |