公开(公告)号：US20180281213A1

公开(公告)日：2018-10-04

申请号：US15550451

申请日：2016-12-22

Applicant: KONINKLIJKE PHILIPS N.V.

Inventor： MARCUS FRANCISCUS EIJKELKAMP ,  JOHANNES WILLEM TACK ,  GEERT WILLEM DE GOEIJ

IPC: B26B19/28 ,  B26B19/06 ,  B26B19/38

CPC classification number: B26B19/28 ,  B26B19/063 ,  B26B19/386

Abstract: The present disclosure relates to a self-aligning coupling linkage (32) for a drive train (28) of a hair cutting appliance (10) comprising a driving shaft (34) and a non-aligning output shaft (38), said coupling linkage (32) comprising a joint section (52) comprising a first connector portion (58, 158) and a second connector portion (60, 160) that are arranged to engage one another for torque transmission, wherein the first connector portion and the second connector portion define a male connector (58, 158) comprising an external polygonal profile (62, 162), viewed in a cross-sectional plane perpendicular to a longitudinal axis, and a female connector (60, 160) comprising an internal engagement profile (64, 164), wherein the male connector (58, 158) and the female connector (60, 160) are arranged in a self-aligning fashion for angular offset compensation, and wherein at least one of the male connector (58, 158) and the female connector (60, 160) is provided with at least one circumferentially arranged deflectable compensation element (100, 200) arranged to urge the male connector (58, 158) and the female connector (60, 160) towards a centered alignment. The disclosure further relates to a hair cutting appliance (10) that is equipped with such a coupling linkage (32).