Powered furniture

• US 7,735,912 B2
• Filed: 12/18/2008
• Issued: 06/15/2010
• Est. Priority Date: 10/30/2003
• Status: Active Grant

• Current Assignee: DewertOkin Technology Group Co., Ltd.
• Original Assignee: Robco Designs Limited
• Inventors: Robertson, Dale
• Primary Examiner(s): Brown; Peter R.
• Application Number:
  US12/338,725
• Publication Number:
  US 20090102259A1
• Time in Patent Office: 544 Days
• Field of Search: 297/69, 297 83- 86, 297/330, 297/331, 297/335, 297/452.38, 297/DIG.10
• US Class Current: 297/85.00M
• CPC Class Codes: A47C 1/0242 by electric motors
• CPC Class Codes: A47C 7/506 of adjustable type
• CPC Class Codes: A61G 5/14 Standing-up or sitting-down aids
• CPC Class Codes: Y10S 297/10 Occupant-arising assist

Abstract

A lift-recliner chair includes a base portion including a load bearing structural support frame having a pair of upstanding rigid side panels. The chair also includes a seat portion pivotally connected to and at least partially supported by the side panels. Moreover, the chair includes a back portion pivotally connected to the seat portion and an actuator assembly for moving the seat portion with respect to the base portion and the back portion with respect to the seat portion for altering the configuration of the chair. The actuator assembly is enclosed, at least partially, by the side panels.

Claims

1. A lift-recliner chair for assisting movement of a user between a seated position and a standing position comprising:

a base portion including a load bearing structural support frame having a pair of upstanding rigid side panels and a rigid rear panel;

a seat portion pivotally connected to and at least partially supported by the side panels;

a back portion pivotally connected to the seat portion;

an actuator assembly operatively coupled to the base portion, the seat portion, and the back portion for moving the seat portion with respect to the base portion and for moving the back portion with respect to the seat portion, between at least a first configuration, in which the seat portion supports the user in the seated position in the chair, and a second configuration to assist movement of the user out of the chair to the standing position, the actuator assembly being enclosed between the seat portion, the side panels of the base portion, and the rear panel of the base portion in all configurations of the chair including the first and second configurations; and

a plurality of pivot pins, the pivot pins extending outward from opposite sides of the seat portion and extending through respective ones of the side panels of the base portion to pivotally connect and support a weight of the seat portion on the base portion.

2. A lift-recliner chair as claimed in claim 1 wherein the seat portion is movable between a substantially horizontal position in which at least part of the seat portion is nested with the base portion and an inclined position in which the seat is extended from the base portion.

3. A lift-recliner chair as claimed in claim 1 wherein the seat portion is nested within and extendable from the base portion.

4. A lift-recliner chair as claimed in claim 1 wherein the seat portion comprises a seat frame including a pair of substantially vertical side panels arranged substantially parallel with and adjacent to respective ones of the side panels of the base portion.

5. A lift-recliner chair as claimed in claim 1 wherein the seat portion is pivoted with respect to the base portion about a pivot axis positioned towards a front of the base portion.

6. A lift-recliner chair as claimed in claim 1 wherein the back portion comprises a generally rectangular frame and a pair of pivot arms which extend from the frame and pivotally connect the frame to the seat portion.

7. A lift-recliner chair as claimed in claim 6 wherein the pivot arms pivotally connect the back portion to the side panels of the seat portion.

8. A lift-recliner chair as claimed in claim 6 wherein the pivot arms comprise part of a bell-crank for moving the back portion about a pivot axis spaced from the rectangular frame.

9. A lift-recliner chair as claimed in claim 6 wherein the pivot arms extend substantially parallel with and adjacent to respective vertical side panels of the seat portion on an interior side thereof.

10. A lift-recliner chair as claimed in claim 1 wherein the actuator assembly is operatively coupled to the back portion and moves the back portion relative to the seat portion such that the back portion pivots away from the seat portion when the seat portion is raised.

11. A lift-recliner chair as claimed in claim 10 wherein the back portion is arranged to pivot away from the seat portion once the seat portion is moved during lifting to a pre-determined position between a lowered position and a fully raised position.

12. A lift-recliner chair as claimed in claim 1 wherein the actuator assembly comprises a first actuator for moving the seat portion and a second actuator for moving the back portion.

13. A lift-recliner chair as claimed in claim 12 wherein the first and second actuators are mounted to the base portion.

14. A lift-recliner chair as claimed in claim 1 wherein the base portion further comprises a front panel that is pivotally mounted to the side panels of the base portion and movable with respect to the side panels and a rear panel of the base portion for movement from a generally vertical position to a generally horizontal position to provide a retractable footrest.

15. A lift-recliner chair as claimed in claim 12 wherein the base portion further comprises a front panel that is pivotally mounted to the side panels of the base portion, and wherein the actuator assembly comprises a third actuator mounted to the side panels of the base portion for moving the front panel about a pivot axis.

16. A lift-recliner chair as claimed in claim 14 wherein the front panel is pivotally moveable about a pivot axis that extends through an area that is adjacent to an upper front corner of the side panels of the base portion.

17. A lift-recliner chair as claimed in claim 14 wherein a pivot axis of the front panel is coincident with a pivot axis connecting the seat portion to the base portion.

18. The lift-recliner chair as claimed in claim 1, wherein the seat portion has a weight, and wherein the side panels of the base portion supports the weight of the seat portion in all configurations of the chair including the first and second configurations.