Chairs and seats – Crash seat – Bottom and back movable as unit in response to force
Patent
1993-07-06
1996-09-17
Nelson, Jr., Milton
Chairs and seats
Crash seat
Bottom and back movable as unit in response to force
2974631, B60N 242
Patent
active
055561594
ABSTRACT:
A device for operating, in the event of a shock, to lock the adjustable seat-raising mechanism (5) interposed between the base (1, 2) and the seat proper (3, 4) of a vehicle seat, the device comprising a scissors linkage constituted by two links (6, 7) pivotally mounted to each other about an axis A, the first link (6) also being pivotally mounted about an axis B linked to the base, and the second link (7) also being pivotally mounted about an axis C located behind the first axis and linked to the seat proper, a circular sector (8) having a rough cylindrical surface (9) is centered on the axis A and is secured to the first link (6), a flyweight (10) is suspended from the axis C and includes a rough cylindrical bearing surface (11) that is eccentric and that is suitable for co-operating with a wedging effect with the cylindrical surface of the sector, and a spring (12) is interposed between the seat proper and the flyweight and urges the flyweight rearwards so long as it remains in its rest position, and forwards once it is in its locking position.
REFERENCES:
patent: 3848923 (1974-11-01), Dehler
patent: 4128225 (1978-12-01), Kluting et al.
patent: 4143913 (1979-03-01), Rumpf
patent: 4225184 (1980-09-01), Strowick
patent: 4707010 (1987-11-01), Croft et al.
patent: 4733912 (1988-03-01), Secord
patent: 5022707 (1991-06-01), Beauvais et al.
patent: 5366268 (1994-11-01), Miller et al.
Bertrand Faure Automobile "BFA
Jr. Milton Nelson
LandOfFree
Devices for locking the adjustable components of vehicle seats i does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Devices for locking the adjustable components of vehicle seats i, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Devices for locking the adjustable components of vehicle seats i will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-408953