US 11,834,883 B2
Actuating arm drive with spring guide
Bernhard Krammer, Hoechst (AT)
Assigned to Julius Blum GmbH, Hoechst (AT)
Filed by Julius Blum GmbH, Hoechst (AT)
Filed on Sep. 17, 2021, as Appl. No. 17/478,448.
Application 17/478,448 is a continuation of application No. PCT/AT2020/060033, filed on Feb. 6, 2020.
Claims priority of application No. A 50239/2019 (AT), filed on Mar. 20, 2019.
Prior Publication US 2022/0003034 A1, Jan. 6, 2022
Int. Cl. E05F 1/10 (2006.01); E05F 1/12 (2006.01)
CPC E05F 1/105 (2013.01) [E05F 1/1253 (2013.01); E05Y 2201/474 (2013.01); E05Y 2900/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An actuating arm drive for driving a moveably mounted furniture part of an article of furniture, the actuating arm drive comprising an arrangement including:
a compression spring; and
a guide device for guiding the compression spring,
wherein the guide device has a diameter variable over at least a portion of a length of the guide device in order to compensate for a radial clearance between the compression spring and the guide device due to a change in diameter of the compression spring when the compression spring is loaded,
wherein the guide device is arranged at least partially in an interior of the compression spring, and
wherein the arrangement further includes a stabilization device arranged within the guide device such that the stabilization device extends longitudinally beyond a first end and a second end of the guide device.