초록 ▼

A rotating seat device for aiding rotational motion relative to a fixed seat is provided having flat disc-shaped members with smooth contacting inner surfaces and means for interconnecting the members and permitting relative rotational movement between the members while they remain in substantial re

A rotating seat device for aiding rotational motion relative to a fixed seat is provided having flat disc-shaped members with smooth contacting inner surfaces and means for interconnecting the members and permitting relative rotational movement between the members while they remain in substantial registered relation.

대표청구항 ▼

A device adapted to be removably positioned on a supporting seat for facilitating rotational movement of a seated body relative to the seat, said device comprising flexible disc-shape first and second members arranged in superposed relation and movable relative to one another about a substantially c

A device adapted to be removably positioned on a supporting seat for facilitating rotational movement of a seated body relative to the seat, said device comprising flexible disc-shape first and second members arranged in superposed relation and movable relative to one another about a substantially central transverse axis; flexible means intermediate said members for reducing friction therebetween; and an annular retainer element encompassing said first and second member, said element having flange portions extending inwardly towards said transverse axis and engaging surface portions of said first and second members, said flange portions being at least partially concealed by said first and second members.