US 4,417,715 AGranted

Reversible transportation seat

AssigneeNational Seating Company

InventorRobert L. Edwards

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Abstract

A reversible seat includes a fixed lower frame, a selectively rotatable upper frame carrying the seat, a slot and roller connection means between the lower and upper frames selectively to permit the upper frame to be rotated relative to the lower frame to reverse the seat and locking means to secure the upper frame to the lower frame for seat use. The slot and roller connection means includes a Y-shape slot and a pivotal switch lever associated with the slot positively and sequentially to control the movement of the rollers along the respective legs of the Y-shape slot. The locking means includes a spring loaded pivotal latch on the lower frame having at least one hook selectively encircling at least one locking stud on the upper frame to bias the upper frame into positive interlocked engagement with the fixed frame at both ends of the respective frames.

Claims13

Dependent claims

A reversible seat comprising a fixed lower frame;

a guide plate carried by the lower frame having a Y shape slot therein, said Y shape slot including a stem section communicating with two divergent arcuate branch sections to form a Y configuration;
a rotatable upper frame carrying a seat and having two spaced roller means fixedly mounted thereon, said roller means being received in the Y shape slot for selective movement therealong to connect the fixed frame to the rotatable frame for selective reversal of the seat;
a pivotal switch lever positively to control the sequence of roller movement along the Y shape slot selectively to permit 180.degree. rotation of the upper frame relative to the lower frame to reverse the seat orientation, the pivotal switch lever being generally L shape in configuration to define two arms respectively selectively associated with the two branch sections of the Y shape slot;
and locking means positively to secure the upper frame to the lower frame for seat use.

1 more element

Dependencies are inferred from the claim text.