Shiftable carriage mechanism for incliner chair

Details Shiftable carriage mechanism for incliner chair Shiftable carriage mechanism for incliner chair

1990-09-26

1991-10-08

Brown, Peter R.

Chairs and seats

Legrest or footrest interconnected to move relative to...

With means to move bottom relative to and concurrently with...

297 68, 297 88, 297 89, A47C 102, A61G 1500

Patent

active

050548506

ABSTRACT:
Each of the left and right support assemblies for a shiftable carriage mechanism for an incliner chair includes a toggle drive subassembly that includes an upper toggle link which is pivotally connected to a mounting rail of a frame subassembly, a lower toggle link which is pivotally connected to a base member of the frame subassembly and a drive spring which is connected to the upper toggle link. The drive spring operates to position the toggle links in a locked condition when the support assembly is retracted and to drive the support assembly into an extended condition when the toggle links are manually rotated to an unlocked condition.

REFERENCES:
patent: 4895411 (1990-01-01), Pine

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