US 6,880,416 C1 (7028th)
DEVICE FOR ADJUSTING PARTS WHICH CAN MOVE IN RELATION TO EACH OTHER
Dietmar Koch, Gummersbach, Germany, assignor to Okin Gesellschaft fur Antriebstechnik mbH & Co., Gummersbach, Germany
Reexamination Request No. 90/010,031, Sep. 24, 2007.
Reexamination Certificate for Patent 6,880,416, issued Apr. 19, 2005, Appl. No. 257,778, Oct. 15, 2002.
PCT No. PCT/DE01/01145, § 371 Date Oct. 15, 2002, PCT Pub. No. WO01/78556, PCT Pub. Date Oct. 25, 2001
Claims priority, application Germany, Apr. 15, 2000, 10018742
Int. Cl. A47B 9/00;9/04; B66F 3/10;3/00;3/08; F16H 25/20 (2006.01)
U.S. Cl. 74—89.35
OG exemplary drawing
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
Claim 2 is cancelled.
Claims 1 and 3-11 are determined to be patentable as amended.
1. Device for adjusting parts which can move in relation to each other, especially parts of adjustable furniture, comprising a driveable threaded hollow spindle [(1)], whose inner and outer threads rise in opposing directions, an inner spindle [(2)]which interacts with the inner thread of the threaded hollow spindle [(1)]and which is connected to a first fixing device in order to secure the device to one of the moveable parts, and a propulsive tube [(4)] which interacts with the outer thread of the threaded hollow spindle [(1)]via an outer nut [(3)] and is connected to a second fixing device [(6)]enabling fixation of the device on another of the parts which can move in relation to each other, where the threaded hollow spindle [(1)]is mounted in a rotationally fixed and longitudinally displaceable manner on a catch device [(7)] which can be rotationally driven about the axis of the threaded hollow spindle [(1)], the catch device being designed as a profile tube, whose profile is engaged by a catch profile provided on the threaded hollow spindle, an outer thread diameter of the inner spindle being smaller than an inside diameter of the profile tube and where a guard is provided for the thread of the threaded hollow spindle [(1)]that extends essentially over the length of the same, characterised in that the guard is designed as a telescopic tube [(14)], one end of which is guided in longitudinally sliding non-rotating fashion on the propulsive tube [(4)]and the other end of which is mounted in rotating and non-sliding fashion on the threaded hollow spindle [(1)].