# US 10,368,643 B2 · Engineered seating system for use in medical lift chairs

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- Number: US 10,368,643 B2
- Document ID: US10368643B2
- Status: Granted
- Kind: B2
- Application number: 15/674,354
- Filed: 2017-08-10
- Published: 2017-11-30
- Granted: 2019-08-06
- Earliest claimed: 2013-04-04
- Applicants: GES Consulting Services, LLC
- Inventors: Joseph Savovic
- Web page: https://patentgrep.com/patent/US10368643B2

## CPC

- A47C 3/20: Chairs or stools with vertically-adjustable seats
- A47C 7/20: with reinforcement {in the foam layer}
- A47C 7/24: Upholstered seats (A47C7/18 takes precedence)
- A47C 7/28: with tensioned springs, e.g. of flat type
- A47C 7/34: with springs in compression, e.g. coiled
- A61G 7/05715: {with modular blocks, or inserts, with layers of different material}
- A47C: CHAIRS; SOFAS; BEDS
- A61G: TRANSPORT, PERSONAL CONVEYANCES OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS (appliances for aiding patients or disabled persons to walk A61H3/00); OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES (embalming corpses A01N1/00)

## Abstract

Described herein is a chair for relieving pressure points from prolonged sitting. The chair comprises a plurality of armrests, the armrests having an armrest frame and a foam layer coupled to an upper portion of the armrest frame. The chair further includes a seat bottom that includes a seat bottom frame, a sinuous spring base coupled to the seat bottom frame, a plurality of coil springs coupled to the sinuous spring base, and a gel infused foam layer coupled to the coil springs. The chair also includes a seat back having a seat back frame, elastic webbing coupled to the seat back frame, and one or more cushions coupled to the seat back frame.

## Claims

### Claim 1

A chair for relieving pressure points from prolonged sitting comprising:
a plurality of armrests comprising:
an armrest frame;
a foam layer coupled to an upper portion of the armrest frame; and
a seat bottom comprising:
a seat bottom frame comprising an insulation layer;
a sinuous spring base coupled to the seat bottom frame;
a plurality of coil springs separated from the sinuous spring base by the insulation layer;
a foam layer at least partially surrounding the plurality of coil springs; and
a gel infused foam layer at least partially surrounding the foam layer; and
a seat back comprising:
a seat back frame;
support members coupled to the seat back frame; and
one or more cushions coupled to the seat back frame.

### Claim 2 (depends on 1)

The chair of claim 1, wherein the plurality of armrests further comprise a first gel infused foam layer coupled to an upper portion of the foam layer and a covering, the cover comprising a synthetic fiber layer and a decorative fabric layer, and wherein the seat bottom further comprises the covering, and wherein the seat back further comprises the covering.

### Claim 3 (depends on 2)

The chair of claim 2 wherein the synthetic fiber is polyethylene terephthalate.

### Claim 4 (depends on 1)

The chair of claim 1 wherein the seat bottom further comprises a foam spring encasement, the foam spring encasement encasing the coil springs.

### Claim 5 (depends on 4)

The chair of claim 4 wherein the foam spring encasement is 1.8-2.0 density foam.

### Claim 6 (depends on 1)

The chair of claim 1 wherein the seat bottom further comprises an insulation layer.

### Claim 7 (depends on 6)

The chair of claim 6 further comprising a base coupled to a motor for lifting the chair.

### Claim 8 (depends on 1)

The chair of claim 1 wherein the support members are elastic webbing.

### Claim 9 (depends on 1)

The chair of claim 1 wherein the cushions are baffled cushions.

### Claim 10 (depends on 1)

The chair of claim 1 wherein the cushions are filled with shredded foam.

### Claim 11

A medical lift chair comprising:
a plurality of armrests comprising:
an armrest frame;
a foam layer coupled to an upper portion of the armrest frame; and
a seat bottom comprising:
a seat bottom frame comprising an insulation layer;
a sinuous spring base coupled to the seat bottom frame;
a plurality of coil springs separated from the sinuous spring base by the insulation layer;
a foam layer at least partially surrounding the plurality of coil springs; and
a gel infused foam layer at least partially surrounding the foam layer; and
a seat back comprising:
a seat back frame;
support members coupled to the seat back frame; and
one or more cushions coupled to the seat back frame; and
a base, the base including a motor operable to lift the seat bottom frame relative to the base.

### Claim 12 (depends on 11)

The medical lift chair of claim 11 wherein each of the left armrest and right armrest further include a second gel infused layer on top of the foam layer.

### Claim 13 (depends on 12)

The medical lift chair of claim 12 wherein each of the left armrest and right armrest further include a covering, the cover comprising a synthetic fiber layer and a decorative fabric layer, and wherein the seat bottom further comprises the covering, and wherein the seat back further comprises the covering.

### Claim 14 (depends on 11)

The medical lift chair of claim 11 wherein the seat bottom further comprises a foam spring encasement, the foam spring encasement encasing the coil springs.

### Claim 15 (depends on 14)

The medical lift chair of claim 14 wherein the foam spring encasement is 1.8-2.0 density foam.

### Claim 16 (depends on 11)

The medical lift chair of claim 11 wherein the seat bottom further comprises an insulation layer.

### Claim 17 (depends on 11)

The medical lift chair of claim 11 wherein the seat back further includes a layer of gel infused foam coupled to the one or more cushions.

### Claim 18 (depends on 11)

The medical lift chair of claim 11 wherein the seat back further includes elastic webbing coupled to the seat back frame.

### Claim 19 (depends on 11)

The medical lift chair of claim 11 wherein the cushions are baffled cushions.

### Claim 20 (depends on 11)

The medical lift chair of claim 11 wherein the cushions are filled with shredded foam.