Chairs and seats – Movable bottom – Bottom and back movable as a unit
Patent
1995-09-15
1996-10-29
Brown, Peter R.
Chairs and seats
Movable bottom
Bottom and back movable as a unit
29734426, 248418, 248425, B60N 214
Patent
active
055689604
ABSTRACT:
An aircraft passenger seat swivel assembly to be connected between an aircraft seat frame upon which an individual sits and an aircraft seat base which is secured to an underlying support surface, the assembly including a bottom swivel plate with a generally annular recess formed therein and structured to receive a bearing track with a plurality of slots disposed about a perimeter thereof and structured to receive a plurality of bearing members therein. The swivel assembly further including a swivel plate with an exterior segment structured to ride on the bearing members disposed in the bearing track and an interior mount segment upon which the aircraft frame is mounted, the exterior segment of the swivel plate being rotatably retained in place by a lock ring which is secured to the bottom swivel plate and has an annular lock recess to retain the exterior segment of the swivel plate, the bearing track, and the plurality of bearing members in the annular recess of the bottom swivel plate. Additionally, the lock ring includes a plurality of axially oriented notches along an interior perimeter thereof, the notches being structured to receive a lock pin which is secured to the swivel plate and is structured to extend axially outward into the axial notch of the lock ring to prevent relative rotation between the seat frame and the seat base.
REFERENCES:
patent: 3338622 (1967-08-01), Bachmann
patent: 3622202 (1971-11-01), Brown
patent: 4705256 (1987-11-01), Hofrichter
patent: 4971392 (1990-11-01), Young
patent: 5482354 (1996-01-01), Gryp
Oleson Michael
Soderman Daryl
Aircraft Modular Products, Inc.
Brown Peter R.
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