Chairs and seats – Crash seat – Bottom and back movable as unit in response to force
Reexamination Certificate
2008-08-12
2010-06-29
Barfield, Anthony D (Department: 3636)
Chairs and seats
Crash seat
Bottom and back movable as unit in response to force
C297S344190, C244S12200B
Reexamination Certificate
active
07744155
ABSTRACT:
The protection system is used especially for the protection against a fatal effect of vertical accelerations triggered by a landmine on the passengers of an armored vehicle. For this, the sitting unit consisting of a seat body (7) and a backrest (8) is held movable in vertical direction and is coupled with an end area (15) of a longitudinally variable damping device (11), whose other end (13) is connected to the roof (4) of the vehicle (2) through a carrying equipment (6). In addition, the sitting unit is carried with vertical distance from the vertical guide (18) in a lower guide path (19) transversally directed so that the sitting unit executes both a downward as well as a tilting movement relative to the vehicle together with a passenger (3) during loading through vertical acceleration. In this way, an improved usage of the constructively limited effective length of the damping device (11) occurs so that the effect of the protection system is essentially improved. It is sensible to apply the same principle for the protection of all objects, which must be protected against the reaching or exceeding of a maximum load due to a too large acceleration or deceleration.
REFERENCES:
patent: 3985388 (1976-10-01), Hogan
patent: 4525010 (1985-06-01), Trickey et al.
patent: 5125598 (1992-06-01), Fox
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patent: 6267440 (2001-07-01), Hoffman
patent: 6582015 (2003-06-01), Jessup et al.
Bieniek Michael
Fehr Uwe
Keller Kai-Uwe
List Hans-Jörg
Barfield Anthony D
Ladas and Parry LLP
Mowag GmbH
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