| 摘要 |
FIELD: instrument making. ^ SUBSTANCE: invention relates to the pulley locking device intended primarily for geared engines used in curtains rollers. Device (10) to lock pulley (40) incorporates rotary axle (12) with outer surfaces locking pulley (40). Rotary axle (12) comprises at least one locking element (50) that can move from the first locked position whereat it holds pulley (40) and the second position whereat it releases the pulley. Locking element (50) is jointed with at least one element (60) that is actuated by the user to move the aforesaid at least one locking element (50) from the first position and backward. ^ EFFECT: ease of release of pulley. ^ 8 cl, 3 dwg |
