Health chair a dynamically balanced task chair

• US 20030197407A1
• Filed: 03/28/2003
• Published: 10/23/2003
• Est. Priority Date: 03/29/2002
• Status: Active Grant

• Current Assignee: Garrex, LLC
• Original Assignee: Garrex, LLC
• Inventors: Sanchez, Gary L.
• Granted Patent: US 7,040,703 B2
• Time in Patent Office: Days
• US Class Current: 297/353
• CPC Class Codes: A47C 7/405 with double backrests
• CPC Class Codes: A47C 7/46 with special, e.g. adjustable , lumbar region support profile; "Ackerblom" profile chairs

Abstract

Healthy task seating is achieved by integrating three dynamics into a unique, dynamically balanced chair design that provides: (a) adaptable design features to accommodate a wide range of body dimensions, (b) a series of independent and adjustable support means to accommodate a wide range of tasks, and (c) means for promoting active seating.

Claims

1. An adjustable task chair suitable for providing active seating while dynamically supporting the body of the user during performance of various tasks from a seated position, comprising:

a base member

a seat member having a seating surface supported by a frame member having anterior and posterior sections thereof, and

at least two adjustable back support members, each secured independently to the posterior section of said seat frame member, wherein, a linkage assembly connects said seat frame member and said forearm support members to said base member,

wherein said back members comprise independently hinged adjustable spring arm members, each provided with a vertically adjustable brace support members wherein each spring arm member is independently and hingedly secured to the posterior section of said seating frame member, thereby providing anterior and posterior adjustments to said horizontal brace support members which are secured to said spring arm members.

2. An adjustable task chair according to claim 1, further comprising two adjustable forearm support members, wherein said forearm support members are dynamically integrated with said back support members while providing vertical and lateral adjustable means relative to said seat member seating surface.

3. An adjustable task chair according to claim 2, further comprising a dynamically integrated, anatomical pressure relief means, which periodically signals the chair user to adjust said back support and said forearm support members in order to achieve active seating.

4. An adjustable task chair according to claim 1, wherein said seat member seating surface further comprises coccyx pressure relief means.

5. An adjustable task chair according to claim 1, wherein each vertically adjustable brace support member further comprises a spinal relief channel.

6. An adjustable task chair according to claim 2, wherein each vertically adjustable brace support member further comprises a spinal relief channel.

7. An adjustable task chair according to claim 2, wherein said seat member seating surface further comprises coccyx pressure relief means.

8. A healthy task seating system comprising:

a base member, a seat member with a seat frame member and at least two or more adjustable back support members selected from the group consisting of;

(d) adjustable exo-skeleton posterior support means,

(e) a flexible task support means, and

(f) a continuous position animation means,

wherein said adjustable back support members are integrated to promote healthy seating while the user is performing various tasks from a seating position.

9. A healthy task seating system according to claim 8, wherein at least two of said posterior support means are adjustably, independently and hingedly secured to the posterior section of said seat frame member and are sufficiently flexible to accommodate a wide range of body dimensions with integrated dynamic support.

10. A healthy task seating system according to claim 8, wherein adjustable forearm support members are dynamically integrated with said back support members while also providing vertical, lateral, and tilt adjustment to said forearm support members.

11. A healthy task seating system according to claim 8, wherein said system comprises continuous position animation means to implement active seating by periodically adjusting the various adjustable support means.

12. A healthy task seating system according to claim 8, wherein one of the exo-skeleton posterior support means comprises an adjustable, contoured, hinged, horizontal sacrum/lumbar cradle support means to provide horizontal support to the sacral region of the spine.

13. A healthy task seating system according to claim 12, wherein said sacrum/lumbar cradle support means comprises a sacrum/lumbar rocker arm member.

14. A healthy task seating system according to claim 8, wherein one of the exo-skeleton posterior support means comprises an adjustable, contoured, winged support brace member for supporting the thoracic/cervix region of the spine.

15. A healthy task seating system according to claim 14, wherein said thoracic/cervix winged support brace means comprises a thoracic/cervix rocker arm member.

16. A bi-thorumix, dynamically balanced task chair comprising two adjustable posterior support means, one comprising a rocker arm thoracic/cervix suspending cradle supports means, and the other comprising a rocker arm sacrum/lumbar suspending cradle support means.

17. An adjustable task chair suitable for providing active seating while dynamically supporting the body of the user during performance of various tasks from a seated position, comprising:

(a) a base member,

(b) a seat member having a seating surface supported by a said base member,

(c) at least two adjustable back support members, each secured independently to the posterior section of said seat frame member, and two adjustable forearm support members, wherein;

said back members comprise independently adjustable spring arm members, each provided with an adjustable, horizontal brace support members wherein each spring arm member is independently secured to the base member, thereby providing anterior and posterior adjustments to said horizontal brace support members which are secured to said spring arm members, and

two adjustable forearm support members, wherein said forearm support members are dynamically integrated with said back support members while providing vertical and lateral adjustable means relative to said seat member seating surface.

18. An adjustable task chair according to claim 17, further comprising a dynamically integrated, anatomical pressure relief means, which periodically signals the chair user to adjust said back support and said forearm support means in order to achieve active seating.

19. An adjustable task chair according to claim 17, wherein each adjustable, horizontal brace support member comprises a spinal relief channel.

20. An adjustable task chair according to claim 17, wherein said seat member seating surface further comprises coccyx pressure relief means.