SCREEN DEVICE Russian patent published in 2014 - IPC E06B9/02 

FIELD: machine building.

SUBSTANCE: screen device, in which the roller tube includes the rotor shaft (5), around which the built-in spiral spring (6) is coiled, is connected to the rotor (52), located with a possibility of rotating with reference to the stator (51), fixed to the lower end of the rotating shaft, and is placed with a possibility of rotating in a case frame. Stator includes a set of located radially teeth (53). The located radially supporting parts (57), mating with stator teeth, are located on the bottom end of cap element (55), placed with a possibility of detaching on the lower end of the case frame, and in each holding part the holding recess (58) is provisioned for tooth entering inside, opened out on one end from the side of teeth entering and enclosed on the other end allowing to regulate the initial charge of the spiral spring, built-in in a roller tube.

EFFECT: design perfection.

3 cl, 7 dwg