Apparatus and method for double clutch actuator

Chairs and seats – Bottom or back with means to alter contour – Providing support for lower back region

Reexamination Certificate

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Details

C192S0120BA, C192S019000

Reexamination Certificate

active

06945600

ABSTRACT:
An ergonomic device actuation method for a housing, a pulley rotating inside the housing, the pulley being adapted to draw a traction element, and a locking clutch encapsulated by the housing and disposed to control rotation of said pulley. A drive clutch drives the pulley through the locking clutch. A drive shaft that rotates in the housing drives the drive clutch. A traction cable fixed to said pulley communicates with an ergonomic device.

REFERENCES:
patent: 5248017 (1993-09-01), Schwarzbich
patent: 5794479 (1998-08-01), Schwarzbich
patent: 5842659 (1998-12-01), Ligon et al.
patent: 6481557 (2002-11-01), Denis
patent: 6637575 (2003-10-01), Liu et al.
patent: 2003/0062749 (2003-04-01), Liu et al.
patent: 2003/0196868 (2003-10-01), Liu et al.
patent: 41 20 617 (1991-05-01), None

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