1,266,573. Hangers for sliding doors. DORKEN & MANKEL K.G. 6 June, 1969 [5 Oct., 1968], No. 28816/69. Heading E1J. A hanger comprises a carriage 10 with a pair of wheels 19, 21 which abut but are relatively rotatable. The carriage has two apertures 11 each accommodating a pair of wheels on a bush 18 on a spindle 17. The inner side surfaces of the wheels have flat topped and round-topped ribs 20, 22 respectively which are in abutment. A central aperture in the carriage non-rotatably contains a nut 15 having a pin 16 connected to a sliding door. In Fig. 4 (not shown) an axial roller bearing (25) is located between the wheels.