IP Library › Granted Patent US 11,641,944
Granted Patent B2
US 11,641,944 · App. 17/848,698 · Granted May 9, 2023

Double angle back support adjustment

Inventor: Steven DuFresne (Hartland, WI)
Assignee: Anthro Form, LLC
A47C7/462A47C7/402A47C7/405
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Quick Facts
Patent No.
US 11,641,944
App. No.
17/848,698
Granted
May 9, 2023
Kind
B2
Abstract

A chair is described herein. The chair includes a first back support coupled to a base of the chair using one or more first support arms. The chair also includes a second back support coupled to the base of the chair using one or more second support arms. The first and second back supports are independently rotatable.

Claims (27)

1. A chair including:

a first back support;

first support arms to connect the first back support to a base of the chair;

a second back support;

a second support arm to connect the second back support to the base of the chair, the second back support being independently rotatable from the first back support, support; and

an angle adjustment mechanism to enable adjustment of the angle of at least one of the first support arms or the second support arm, wherein the angle adjustment mechanism includes a cam and wherein the first and second back supports rotate about a single axis.

2. The chair of claim 1 , wherein a height of the first back support is adjustable.

3. The chair of claim 1 , wherein a height of the second back support is adjustable.

4. The chair of claim 1 , wherein the first back support is pivotable about a first end of the first support arms.

5. The chair of claim 1 , wherein the second back support is pivotable about a first end of the second support arm.

6. The chair of claim 1 , further including an additional angle adjustment mechanism to enable adjustment of the angle of the other one of the first support arms or the second support arms.

7. The chair of claim 1 , wherein the angle adjustment mechanism includes a rotatable knob.

8. The chair of claim 1 , wherein the angle adjustment mechanism includes a lever.

9. The chair of claim 1 , wherein the angle adjustment mechanism includes a clutch plate.

10. A chair including:

a first back support;

first support arms to connect the first back support to a base of the chair;

a second back support;

a second support arm to connect the second back support to the base of the chair, the second back support being independently rotatable from the first back support; and

an angle adjustment mechanism to enable adjustment of the angle of at least one of the first support arms or the second support arm, wherein the angle adjustment mechanism includes a clutchplate and wherein the first and second back supports rotate about a single axis.

11. The chair of claim 10 , wherein a height of the first back support is adjustable.

12. The chair of claim 10 , wherein a height of the second back support is adjustable.

13. The chair of claim 10 , wherein the first back support is pivotable about a first end of the first support arms.

14. The chair of claim 10 , wherein the second back support is pivotable about a first end of the second support arm.

15. The chair of claim 10 , further including an additional angle adjustment mechanism to enable adjustment of the angle of the other one of the first support arms or the second support arms.

16. The chair of claim 10 , wherein the angle adjustment mechanism includes a rotatable knob.

17. The chair of claim 10 , wherein the angle adjustment mechanism includes a lever.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 7, 2023
From: DUFRESNE, STEVEN
To: ANTHRO FORM, LLC
Reel/Frame 062611/0287 →
Continuity (2)
Provisional Application 63221647 · Jul 14, 2021
Related Publication 20230022713A1 · Jan 26, 2023
Cited By (1)
US 12,193,578