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US4472607A
Expired / Lapsed
US
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Inflight headset for civil aircraft
Assignee: Individual
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Filing: 1983-10-21
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Granted: 1984-09-18
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Expires: 2003-10-21
Abstract
Abstract The present invention relates to an inflight headset for civil aircraft and in particular to one comprising a pair of main body portions each having an adjusting rod, a pair of covers each connected to one of said main body portions, a headband having a collar at each end, the collar being closely fitted into said adjusting rod in such a way that the adjusting rod may be regulated in height with respect to the collar, the headband further having a projection along its length, the projection being associated with the protuberance in such a manner that the adjusting rod may be rotated with respect to the perpendicular plane along the length of the headband, a pair of ear cushions each connected with one of the main body portions, and a pair of acoustic pipes each connected to one of the main body portions.
Inventors
- 👤 Huang-Kiang Houng
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:35
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/04; H04M1/05
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
161 words
An inflight headset for civil aircraft comprising: a pair of main body portions each having an adjusting rod, said adjusting rod being provided with a slot along its length, said slot being provided with a protuberance along the length of said slot; a pair of covers each connected to one of said main body portions; a headband each end of which is provided with a collar, said collar being closely fitted with said adjusting rod in a way such that said adjusting rod may be regulated in height with respect to said collar, said headband further having a projection along its length, said projection being associated with said protuberance in such a manner that said adjusting rod may be rotated with respect to the perpendicular plane along the length of said headband; a pair of ear cushions each connected with one of said main body portions; and a pair of acoustic pipes each connected to one of said main body portions.
Claim 2
Dependent Claim
161 words
An inflight headset for civil aircraft comprising: a pair of main body portions each having an adjusting rod, said adjusting rod being provided with a slot along its length, said slot being provided with a protuberance along the length of said slot; a pair of covers each connected to one of said main body portions; a headband each end of which is provided with a collar, said collar being closely fitted with said adjusting rod in a way such that said adjusting rod may be regulated in height with respect to said collar, said headband further having a projection along its length, said projection being associated with said protuberance in such a manner that said adjusting rod may be rotated with respect to the perpendicular plane along the length of said headband; a pair of ear cushions each connected with one of said main body portions; and a pair of acoustic pipes each connected to one of said main body portions.
Claim 3
Dependent Claim
19 words
An inflight headset for civil aircraft as claimed in claim 1, wherein said collars are made of elastic material.
Claim 4
Dependent Claim
40 words
An inflight headset for civil aircraft as claimed in claim 1, wherein said cover is possessed of a smoothly curved surface so that a very smooth passage can be obtained when said cover is engaged with said main body portion.
Claim 5
Dependent Claim
25 words
An inflight headset for civil aircraft as claimed in claim 1, wherein each said main body portion is provided with two pins and screw threads.
Claim 6
Dependent Claim
39 words
An inflight headset for civil aircraft as claimed in claim 4, wherein each said ear cushion is provided with two notches, said notches being to engage said pins when said ear cushion is connected with said main body portion.
Claim 7
Dependent Claim
25 words
An inflight headset for civil aircraft as claimed in claim 1, wherein each said ear cushion is threadedly engaged with each said main body portion.
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) | 1987-09-18 | 1988-03-19 | 1988-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-18 | 1992-03-19 | 1992-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-18 | 1996-03-19 | 1996-09-18 | $7700.00 | Window Closed / Lapsed |