Rail chair for transporting non-ambulatory persons

Claim 2

A chair assembly for transporting non-ambulatory persons comprising in combination: a. an elongated rail of non-circular cross section, b. leg means on each end of the rail for supporting the same in substantially horizontal position, c. a slide on the rail comprising a hollow case of non-circular cross section enclosing the rail and spaced therefrom, and bearing plates of self-lubricating plastic interposed between the case and the rail in bearing engagement with the rail, d. a chair seat, and e. pivotal mounting means interengaging the seat and case for rotatably mounting the seat on the slide.

Claim 3

The chair assembly of claim 1 wherein the leg means on one end of the rail comprises a vertical post, a horizontal bar on the bottom of the post arranged substantially normal to the axis of the rail, and a pair of anti-friction devices one on each end of the bar.

Claim 4

The chair assembly of claim 1 wherein the leg means on one end of the rail comprises a triangular frame arranged with its apex at the top and with its plane substantially normal to the axis of the rail and a pair of anti-friction devices one on each of the lower corners of the triangular frame.

Claim 5

The chair assembly of claim 1 wherein the leg means on one end of the rail comprises a vertical post, a horizontal bar on the bottom end of the post arranged substantially normal to the axis of the rail, and a pair of anti-friction devices one on each end of the bar; and wherein the leg means on the other end of the rail comprises a triangular frame arranged with the apex on the top and with its plane substantially normal to the axis of the rail, and a pair of anti-friction devices one on each lower corner of the triangular frame.

Claim 6

The chair assembly of claim 4 wherein the anti-friction devices comprise casters.

Claim 7

The chair assembly of claim 1 wherein the pivotal mounting means comprises a pair of vertically spaced plates, first fastening means fastening the lower plate to the slide, second fastening means fastening the upper plate to the chair seat, a bearing plate of self-lubricating plastic secured to one of the plates and in bearing contact with the other, and a pivot post secured centrally to one of the plates and penetrating the other in bearing relationship thereto.

Claim 8

A chair assembly for transporting non-ambulatory persons comprising in combination: a. an elongated rail of non-circular cross section, b. first leg means on one end of the rail and comprising a vertical post, a horizontal bar on the bottom end of the post and a pair of casters one on each end of the bar, c. second leg means on the other end of the rail and comprising a triangular frame arranged with its apex pointed upwardly and its plane substantially normal to the axis of the rail, and a pair of casters one on each lower corner of the triangular frame, d. a slide on the rail comprising a hollow case of non-circular cross section enclosing the rail and spaced therefrom, and bearing plates of self-lubricating plastic interposed between the case and the rail in bearing engagement with the rail, e. a chair seat, and f. pivotal mounting means interengaging the seat and case for rotatably mounting the seat on the slide and comprising a lower plate fastened to the slide, an upper plate fastened to the seat, a bearing plate of self-lubricating plastic secured to the upper plate in bearing contact with the lower plate, and a pivot post secured centrally to the upper surface of the lower plate and penetrating the bearing plate and upper plate in bearing engagement therewith.

Claim 9

A chair assembly for transporting non-ambulatory persons comprising in combination: a. an elongated rail of non-circular cross section, b. first leg means on one end of the rail and comprising a vertical post, a horizontal bar on the bottom end of the post and a pair of casters one on each end of the bar, c. second leg means on the other end of the rail and comprising a triangular frame arranged with its apex pointed upwardly and its plane substantially normal to the axis of the rail, and a pair of casters one on each lower corner of the triangular frame, d. a slide on the rail comprising a hollow case of non-circular cross section enclosing the rail and spaced therefrom, and bearing plates of self-lubricating plastic interposed between the case and the rail in bearing engagement with the rail, e. a chair seat, and f. pivotal mounting means interengaging the seat and case for rotatably mounting the seat on the slide and comprising a lower plate fastened to the slide, an upper plate fastened to the seat, a bearing plate of self-lubricating plastic secured to the upper plate in bearing contact with the lower plate, and a pivot post secured centrally to the upper surface of the lower plate and penetrating the bearing plate and upper plate in bearing engagement therewith.

Claim 10

The chair of claim 7 wherein the self-lubricating plastic comprises Nylon or Teflon.

Claim 11

The chair of claim 7 wherein the self-lubricating plastic is Nylon.

Claim 12

The chair of claim 7 wherein the self-lubricating plastic is Teflon.