IP Library Granted Patent US 7,950,673
Granted Patent B2
US 7,950,673 · App. 12/404,114 · Granted May 31, 2011

Stair chair

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Quick Facts
Patent No.
US 7,950,673
App. No.
12/404,114
Granted
May 31, 2011
Kind
B2
Abstract

A chair configured for transporting a subject (e.g., up or down an elevated surface (e.g., a stairway, a curb, a ramp, etc.)) and methods of using the same is provided. In particular, a chair comprising a rail assembly, a pair of back legs and a pair of front legs, wherein the rail assembly is fastened to the back legs and wherein the back legs and front legs are interconnected via a pair of side rails and a seat assembly, wherein the seat assembly comprises a seat frame and a swivel seat assembly, and methods of using the same (e.g., to load and/or unload a subject onto the chair and/or to transport a subject) are provided.

Claims (6)

1. A stair chair comprising a seat assembly comprising a fixed back seat portion and a swivel seat assembly comprising a swivel seat, wherein the swivel seat assembly comprises a swivel seat base attached to the seat frame of the stair chair, wherein a plurality of seat glides are attached to the seat frame.

2. The stair chair of claim 1 , wherein a turntable bearing assembly is attached to the seat base.

3. The stair chair of claim 2 , wherein a seat pivot point is centered within the turntable bearing assembly.

4. The stair chair of claim 2 , wherein a seat plate and a plurality of seat pan portions are attached to the turntable bearing assembly.

5. The stair char of claim 4 , wherein the seat pan portions attach to the swivel seat and to the seat plate, and rotatably move along the seat glides.

6. The stair chair of claim 1 , wherein the chair comprises one or more quick clip restraint anchors, wherein the anchors comprise an anchor spring, an anchor cap, an anchor body, an anchor shaft and an anchor bushing, wherein the spring, cap, body, shaft and bushing are configured to provide a restraint clip choke point.

Assignments (5)
SECURITY INTEREST Recorded Jan 6, 2026
From: FERNO GROUP, INC.; FERNO-WASHINGTON, INC.; FERNO CANADA INC.; TRAVERSE RESCUE, LLC
To: THE HUNTINGTON NATIONAL BANK
Reel/Frame 074229/0457 →
SECURITY INTEREST Recorded May 5, 2025
From: FERNO-WASHINGTON, INC., SUBSIDIARY OF FERNO GROUP, INC.
To: FERNO FINANCE I, LLC
Reel/Frame 071168/0422 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 1, 2016
From: RAUCH AND ROMANSHEK INDUSTRIES LLC
To: FERNO-WASHINGTON, INC.
Reel/Frame 040791/0198 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 1, 2011
From: MONSTER MEDIC, INC.
To: RAUCH & ROMANSHEK INDUSTRIES, LLC
Reel/Frame 027314/0417 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 10, 2009
From: REED, JAIME C.; KRIEGER, JEFFREY J.; SEIZER, RICHARD T.; BAUMER, DALE F.
To: MONSTER MEDIC, INC.
Reel/Frame 022808/0556 →