A window shade includes a frame (1), a shade (2), a shade driving mechanism (3), and a bead chain (4) for driving the shade (2) through the shade driving mechanism (3). A barrel (5) is mounted to the frame (1) at a location corresponding to the bead chain (4). A sliding block (7) is slideably received in the barrel (5) and connected to a handle (8) mounted outside of the barrel (5) by a link (9) extending through a slit (6) in the barrel (5). The bead chain (4) is wound around a fixed pulley (16) mounted to an end of the barrel (5). The sliding block (7) is fixed to a section (4a) of the bead chain (4) received in the barrel (5).