초록 ▼

A swivel apparatus (16) on which a seat (10) is mounted in a vehicle to provide for rotation from a first position to a second position. The swivel apparatus (16) includes a support assembly (20) having a base member (22) with a plurality of legs (24, 24'. . . 24.sup.n) fixed to the vehicle. The bas

A swivel apparatus (16) on which a seat (10) is mounted in a vehicle to provide for rotation from a first position to a second position. The swivel apparatus (16) includes a support assembly (20) having a base member (22) with a plurality of legs (24, 24'. . . 24.sup.n) fixed to the vehicle. The base member (22) has a horizontal lower side (26) and a parallel horizontally upper side (28) with a central opening (30) that extends from the lower side (26) to the upper side (28). A collar (34) has a flange (36) which extends through the central opening (30) of the base member (22) to position a first bearing (37) between the collar (34) and the lower side (26) of the base member (22) while the flange (36) aligns a second bearing (38) on the upper side (28) of the base member (22). A mounting member (40) to which the seat (10) is connected is located a top of the second bearing (38) and attached to the flange (36) by a plurality of fastener (46, 46'. . . 46.sup.n) to define a unitary structure. The seat (10) on being subjected to any inertia forces directs an overturning moment into the mounting member (40). The unitary structure efficiently distributes the overturning moment into the support assembly (20) and in turn into the floor of the vehicle while substantially retaining the seat (10) in a horizontal plane.

대표청구항 ▼

[ We claim:] [1.] A swivel apparatus for a seat in a vehicle comprising:a support assembly having a base member with a plurality of legs said base member having a horizontal lower side and a parallel horizontal upper side with a central opening that extends from said lower side to said upper side;a

[ We claim:] [1.] A swivel apparatus for a seat in a vehicle comprising:a support assembly having a base member with a plurality of legs said base member having a horizontal lower side and a parallel horizontal upper side with a central opening that extends from said lower side to said upper side;a collar having a flange that extends through said central opening;first bearing means located between said collar and said lower side of said base member;second bearing means aligned on said upper side of said base by said flange;a mounting member having an annular ring with a plurality of radial arms extending therefrom, said annular ring being connected to said seat and positioned atop of said second bearing means; andfastener means vertically extending through said flange and mounting member for joining said mounting member with said collar to form a unitary structure, said seat responding to any inertia force directed along a plane perpendicular to said base by directing an overturning moment into said mounting member, said unitary structure efficiently distributes said overturning moment into said support assembly while substantially maintaining said mounting member in a horizontal plane.