Chairs and seats – Component reorientable to stacked bunks
Patent
1986-11-20
1988-04-05
McCall, James T.
Chairs and seats
Component reorientable to stacked bunks
5 9R, 5 9B, 297 63, 297243, B60N 110
Patent
active
047354569
DESCRIPTION:
BRIEF SUMMARY
The design of the seats is of fundamental importance for the comfort of a means of transport. The comfort of the seats is one of the factors which governs whether a trip is pleasant or tiresome. On relatively long trips, especially at night, there is frequently a need for sleeping facilities. In vehicles with restricted space available, for example on buses, in railroad cars or aircraft, however, it is not possible to accommodate beds without high surcharges. To make possible, nevertheless, as comfortable a position as possible, in which even people of average sensitivity can sleep a little, the inclination of the backrests can often be adjusted individually. In the case of more luxurious seats, there are sometimes even leg elements, the inclination of which can likewise be adjusted individually. However, really good sleeping comfort is only provided when the seats can be completely extended, so that it is possible to assume not only a supine position but also a prone position and a position lying on one's side. In particular, while sleeping there is always a need to turn over and change one's position somewhat. But in the known seat arrangements, it is not possible, even in first-class compartments, to extend the seats completely horizontally.
The invention achieves the object of providing a device in which the seats can be completely extended, even when the space available is restricted.
According to the invention, this is achieved when two seats or seat rows arranged one behind the other can be brought into an extended position parallel to and one above the other by means of a pivoting extension mechanism. For this purpose, there can be drive means which make it possible to change position automatically. The design of the pivoting extension mechanism advantageously permits a person to remain seated during a change in position. This prevents a disturbance which would be caused if those passengers having to change position each had to leave their seat for this purpose.
The invention is explained in detail below by way of example, with reference to a drawing in which:
FIG. 1 shows an axonometric view of a device according to the invention in the sitting position,
FIG. 2 shows an illustrative side view of two devices arranged one behind the other, in the sitting position,
FIG. 3 shows an illustrative side view of two devices arranged one behind the other, in the lying position,
FIG. 4 shows a diagrammatic side view of a device in the sitting position,
FIG. 5 shows a diagrammatic side view of a device in the lying position,
FIG. 6 shows a plan view of a device in the lying position,
FIG. 7 shows a diagrammatic side view of a further embodiment of the invention in the sitting position,
FIG. 8 shows a diagrammatic side view of the further embodiment of the invention in the lying position.
For the sake of clarity, the seats in FIGS. 1 to 8 are provided with dots.
FIG. 1 shows an axonometric representation of a device according to the invention. Two seats Ia, Ib are arranged one behind the other on two carriers 8 provided laterally. Located in each of the carriers 8 is an adjusting mechanism which makes it possible to change position from the sitting position to the lying position and vice versa. Each seat Ia, Ib comprises a seat part or element 1a, 1b connected firmly to an arm rest 2a, 2b on both the left and the right. It is also composed of a back element 3a, 3b, a head element 4a, 4b, a leg element 6a, 6b and a foot element 7a, 7b. The head element 4a, 4b is connected firmly to lateral headrests 5a, 5b. A supporting element 11 is provided on each side on the head part 5b of the front seat, and by means of these the head element 5b of the front seat is supported, in the lying position on two stays 10 mounted on the carriers 8 on the left and right of the rear seat. In the foot element 7b of the front seat there are recesses 12 which serve to enable a person to climb onto or off the front seat Ib which is in the lying position.
FIG. 2, which illustrates two devices in the sitting position arranged one behind
REFERENCES:
patent: 2966199 (1960-12-01), Waerner
patent: 4440439 (1984-03-01), Szabo
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