Patent US4115887A successfully refreshed from Google Patents.
US4115887A
Expired / Lapsed
US
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Ship's embarkation device for E.G. pilots
Assignee: Welin AB
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Filing: 1977-07-01
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Granted: 1978-09-26
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Expires: 1997-07-01
Abstract
Abstract A ship's embarkation device is provided, which despite moderate heeling (10°-13°) of the ship is kept against the ship's side. The embarkation device is for this purpose provided with at least one turning weight, which in relation to the ship's side is placed outside the central longitudinal plane of the device and thus gives it a turning moment directed towards the ship's side.
Inventors
- 👤 Gunnar Ewards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:10
CPC Classifications
B; B63; B63B; B63B27/00; B63B27/14
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
164 words
In a ship's embarkation device for e.g. pilots comprising a projecting means extending substantially parallel to the ship's side, said projecting means at one of its ends being pivotally mounted in the vertical plane and unrotatably connected in the horizontal plane to a bracket mounted at the ship's deck, at the opposite end of the projecting means a platform being pivotally mounted, said platform by means of a wire arrangement being supported by two davit arms, said davit arms by means of an axle extending in the longitudinal direction of the ship being unrotatably connected to said bracket, the improvement wherein the embarkation device is provided with at least one means, which in relation to the ship's side is placed outside a central longitudinal plane through the embarkation device for giving said device a component force directed towards the ship's side, said force being stronger than the force striving to swing the device out from the ship's side when the ship heels moderately (10°-13°).
Claim 2
Dependent Claim
164 words
In a ship's embarkation device for e.g. pilots comprising a projecting means extending substantially parallel to the ship's side, said projecting means at one of its ends being pivotally mounted in the vertical plane and unrotatably connected in the horizontal plane to a bracket mounted at the ship's deck, at the opposite end of the projecting means a platform being pivotally mounted, said platform by means of a wire arrangement being supported by two davit arms, said davit arms by means of an axle extending in the longitudinal direction of the ship being unrotatably connected to said bracket, the improvement wherein the embarkation device is provided with at least one means, which in relation to the ship's side is placed outside a central longitudinal plane through the embarkation device for giving said device a component force directed towards the ship's side, said force being stronger than the force striving to swing the device out from the ship's side when the ship heels moderately (10°-13°).
Claim 3
Dependent Claim
28 words
The improvement according to claim 1, wherein said means for giving a component force comprises a preferably solid beam extending between the free ends of the davit arms.
Claim 4
Dependent Claim
55 words
The improvement according to claim 1, wherein the projecting means comprises a pair of longitudinal beams, viz. an outer beam remote from the ship's side and an inner beam facing the ship's side, at which the outer beam is heavier than the inner beam in order to provide said means for giving a component force.
Claim 5
Dependent Claim
18 words
The improvement according to claim 1, wherein means are arranged for limiting the rotational movement of the bracket.
Claim 6
Dependent Claim
19 words
The improvement according to claim 4, wherein said means comprises a chain supporting the bracket in its active position.
Claim 7
Dependent Claim
20 words
The improvement according to claim 5, wherein the length of the chain is adjustable by means of a stretching screw.
Claim 8
Dependent Claim
17 words
The improvement according to claim 4, wherein said means comprises a support member arranged under the bracket.
Claim 9
Dependent Claim
15 words
The improvement according to claim 7, wherein the length of the support member is adjustable.
References Cited (Backward Citations)
US3856110A
Cited
GB1429395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-25 | 1982-03-27 | 1982-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-25 | 1986-03-27 | 1986-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-25 | 1990-03-27 | 1990-09-26 | $7700.00 | Window Closed / Lapsed |