OPENING AND CLOSING DEVICE FOR PULLED UP SLIDING DOORS AND WINDOWS Russian patent published in 2009 - IPC E05D15/06 

FIELD: mechanics.

SUBSTANCE: opening and closing device for pulled up sliding doors and windows comprises roller assembly in releasable contact with support frame rail, window frame support block coming to and from the roller assembly, handle arranged to turn on window frame front end and lifting working block that drives the window frame support block relative the roller assembly. Aforesaid lifting block comprises lifting rod moving in the window frame front end and jointed with the roller assembly, lifting transfer block. Latter comprises drive gear wheel linked up with the said handle, driven gear wheel designed to increase force of the drive gear wheel turn and rack in mesh with the driven gear wheel. The device incorporates also locking control unit coupled with the lifting rod to hold it up or down.

EFFECT: ease of manufacture and lower costs.

12 cl, 15 dwg