Scissor linkage for window tilting stabilisation - has long and short arm and partly curved guide slot

摘要

Window and door fitting consists of scissor linkage used for stabilising the tilting movement of the window. The long lever arm is connected to fixed frame and to support plate on moving frame and it is able to slide. The shorter lever is held on the support plate and on the long lever. The longitudinal guide (9) for longer scissor arm (1) is partly curved. The guide consists of two axially and laterally displaced guide tracks (13, 14) connected by a curved midsection (15). The guide tracks (13, 14) are straight and parallel to each other.