DEVICE FOR STOPPING A WINDOW FOLD Russian patent published in 1995 - IPC

FIELD: locking device. SUBSTANCE: device has stopping mechanism 2 installed on frame 1 to interact with support member 3, secured on fold 4; and drive 3 with a handle. Stopping mechanism 2 is made in the form of U-shaped clamp with threaded hole 7 originated and adjusting screw 8 installed on its one side to interact with threaded hole 9 originated in support member 3. A fork 10 is set on the other side of the clamp. The fork is hinged to two-arm lever of drive 5. One arm of the lever is hinged to pivot 11 of support member 12. The other arm of the level has blind hole 13 with rod 15 loaded with spring 14. The rod has radially installed support screw 16 the side surface of which interacts with side surface with lengthwise opening 17 made in the wall of drive 5. Rod head 18 interacts with shaped opening 19 originated in support member 12. Handle 6 is made in the form of a removable rob with head 18 to interact with face 20 of rod 15 loaded with spring. Rod head has recesses to interact with reply projections 22 set on the face of the two-arm lever. EFFECT: decreased dimensions and increased reliability. 5 dwg