Patent US3934847A successfully refreshed from Google Patents.
US3934847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rescue capsule for use with a helicopter
Assignee: Individual
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Filing: 1974-10-04
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Granted: 1976-01-27
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Expires: 1994-10-04
Abstract
Abstract A helicopter has a fuselage with a floor that has an opening therethrough. A rescue capsule is operably connected to the helicopter by cables and winches, and it has a projecting guide member that enters the floor opening to correctly align and stabilize the connection between the capsule and the helicopter. A bridge movably connected to the capsule provides egress between the latter and a building or other structure occupied by persons in need of rescue.
Inventors
- 👤 Pasquale P. Bentivegna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:58
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/22
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
170 words
A rescue capsule in combination with a helicopter, said capsule comprising; a floor, a top, a continuous side extending between the floor and top, at least one door in the side to provide access to the capsule, said top having an opening therethrough, a projecting member extending above the top having a continuous side enclosing the opening and defining a passageway leading from the opening, a cover for covering the open top of the projecting member, said helicopter having a floor having an opening therein of about the same size as said projecting member, winch means disposed adjacent the opening in the helicopter floor, and cable means extending through the opening in the helicopter floor from the winch means to the capsule top, wherein said winch means raises and lowers the capsule with the projecting member defining both a passageway to the helicopter when the capsule is at its top position and a guide for aligning the capsule with the projecting member extending into the opening in the helicopter floor.
Claim 2
Dependent Claim
170 words
A rescue capsule in combination with a helicopter, said capsule comprising; a floor, a top, a continuous side extending between the floor and top, at least one door in the side to provide access to the capsule, said top having an opening therethrough, a projecting member extending above the top having a continuous side enclosing the opening and defining a passageway leading from the opening, a cover for covering the open top of the projecting member, said helicopter having a floor having an opening therein of about the same size as said projecting member, winch means disposed adjacent the opening in the helicopter floor, and cable means extending through the opening in the helicopter floor from the winch means to the capsule top, wherein said winch means raises and lowers the capsule with the projecting member defining both a passageway to the helicopter when the capsule is at its top position and a guide for aligning the capsule with the projecting member extending into the opening in the helicopter floor.
Claim 3
Dependent Claim
46 words
A combination rescue capsule and helicopter as set forth in claim 1 wherein the capsule has a plurality of doors and further comprising a bridge movably fastened to the capsule side extending beyond the side and in line with one of the doors of the capsule.
Claim 4
Dependent Claim
27 words
A combination rescue capsule and helicopter as set forth in claim 1 wherein said winch means includes two winches disposed on opposite sides of the floor opening.
Claim 5
Dependent Claim
40 words
A combination rescue capsule and helicopter as set forth in claim 3 wherein said cable means comprises four equal length cables, each winch receiving two cables so that the four cables are disposed in four corners about the projecting member.
Claim 6
Dependent Claim
23 words
A combination rescue capsule and helicopter as set forth in claim 4 wherein each winch includes separate winch sections, one for each cable.
Claim 7
Dependent Claim
44 words
A combination rescue capsule and helicopter as set forth in claim 5 wherein the capsule has a plurality of doors and a bridge movably fastened to the capsule side extending beyond the side and in line with one of the doors of the capsule.
Claim 8
Dependent Claim
23 words
A combination rescue capsule and helicopter as set forth in claim 6 including a ladder in the capsule and stretchers in the capsule.
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) | 1979-01-26 | 1979-07-28 | 1980-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-26 | 1983-07-28 | 1984-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-26 | 1987-07-28 | 1988-01-27 | $7700.00 | Window Closed / Lapsed |