# US 2019/0313801 A1 · Therapeutic back support and stabilization

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- Number: US 2019/0313801 A1
- Document ID: US20190313801A1
- Status: Published application
- Kind: A1
- Application number: 16/371,938
- Filed: 2019-04-01
- Published: 2019-10-17
- Earliest claimed: 2006-10-04
- Assignees: Access Enterprise, LLC
- Applicants: Access Enterprise, LLC
- Inventors: Mark POWICKI
- Web page: https://patentgrep.com/patent/US20190313801A1

## CPC

- A47C 7/40: for the back
- A47C 1/023: the parts being horizontally-adjustable seats
- A47C 7/44: with elastically-mounted frame
- A47C 7/462: {adjustable by mechanical means}
- A47C: CHAIRS; SOFAS; BEDS

## Abstract

A therapeutic back support device including a back support portion that automatically and repeatedly moves forward to maintain engagement with a user's back as the user moves forward with respect to a chair seat. The back support portion substantially resists backward motion and provides substantially continuous therapeutic support to the user's spine pending a release signal.

## Claims

### Claim 1

(canceled)

### Claim 2

A chair comprising:
a seat portion;
a support member;
a back support portion; and
an active device disposed between said support member and said back support portion, said active device being controlled by a controller, said controller being adapted to detect when a user has moved forward with respect to said support member and operate said active device to move said back support portion forward with respect to said support member.

### Claim 3 (depends on 2)

A chair as defined in claim 2 wherein said active device is disposed within a telescopic enclosure.

### Claim 4 (depends on 2)

A chair as defined in claim 2 wherein said controller receives information from a sensor.

### Claim 5 (depends on 2)

A chair as defined in claim 2 wherein said controller includes a processor.