Patent US3594037A successfully refreshed from Google Patents.
US3594037A
Expired / Lapsed
US
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Cabin attendant seat
Assignee: McDonnell Douglas Corp
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Filing: 1970-04-09
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Granted: 1971-07-20
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Expires: 1990-04-09
Abstract
Abstract A compact thin profile cabin attendant seat folding automatically when occupant arises. An extensible headrest, tilting backrest and forwardly moving seat bottom frame are interlinked for simultaneous movement.
Inventors
- 👤 Gale K Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:25
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/56; A47C1/00; A47C1/02; A47C1/031; A47C1/036; A47C9/00; A47C9/06; B; B64; B64D; B64D11/00; B64D11/06; B64D11/0691
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
106 words
A cabin attendant seat comprising: side supports adapted to be mounted in upright position, swinging support links having upper ends pivotally mounted to said side supports, a seat backrest connected to said links, a seat bottom frame having rearwardly extending arms, said frame being pivotally mounted to lower ends of said links, lower vertically oriented guides on said side supports adapted to maintain the ends of said arms in vertical movement, a push rod operably connected to said arms for vertical movement therewith, an upper vertically oriented guide on said side supports adapted to maintain the upper end of said push rod in substantially vertical movement.
Claim 2
Dependent Claim
106 words
A cabin attendant seat comprising: side supports adapted to be mounted in upright position, swinging support links having upper ends pivotally mounted to said side supports, a seat backrest connected to said links, a seat bottom frame having rearwardly extending arms, said frame being pivotally mounted to lower ends of said links, lower vertically oriented guides on said side supports adapted to maintain the ends of said arms in vertical movement, a push rod operably connected to said arms for vertical movement therewith, an upper vertically oriented guide on said side supports adapted to maintain the upper end of said push rod in substantially vertical movement.
Claim 3
Dependent Claim
38 words
A cabin attendant seat as in claim 1 wherein a headrest is mounted on said side supports and adapted for substantially vertical movement upon actuation of said push rod by vertical movement of said ends of said arms.
Claim 4
Dependent Claim
33 words
A cabin attendant seat as in claim 2 wherein said headrest has substantially vertical slots and said side supports have guide pins thereon extending into said slots to guide movement of said headrest.
Claim 5
Dependent Claim
36 words
A cabin attendant seat as in claim 3 wherein said slots extend from downwardly and forwardly to upwardly and rearwardly to thereby position said headrest in its downward position over the top portion of said backrest.
Claim 6
Dependent Claim
23 words
A cabin attendant seat as in claim 1 wherein an air spring is mounted thereto to bias said seat bottom frame arms downwardly.
Claim 7
Dependent Claim
24 words
A cabin attendant seat as in claim 1 wherein stop means is provided to limit the upward movement of said ends of said arms.
Claim 8
Dependent Claim
22 words
A cabin attendant seat as in claim 1 wherein vertically adjustable stop means limits downward movement of said ends of said arms.
Claim 9
Dependent Claim
58 words
A cabin attendant seat as in claim 1, said backrest being pivotally mounted at its lower end to said support links, and a link pivotally connected to the top portion of said backrest and to the upper end of said pushrod whereby vertical movement of said push rod causes forward and rearward movement of said backrest top portion.
Claim 10
Dependent Claim
66 words
A cabin attendant seat as in claim 1 wherein said side supports are positioned within a recess in a wall structure having a front surface, means for moving said backrest rearwardly of said front surface and into said recess when said seat bottom frame is pivoted upwardly, said means moving said backrest forwardly from said recess when said seat bottom frame is pivoted downwardly for use.
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |