| 摘要 |
A friction stay comprising a vent arm 24 moveable relative to a fixed component 10 fixed, in use, to a stationary part of a window frame, the vent arm 24 and the fixed component 10 each having projections 32, 38 associated therewith co-operable with one another when the vent arm 24 occupies a closed position to inhibit movement of the vent arm 24 in the longitudinal direction thereof. The vent arm 24 further carries a projection 44 co-operable with a stop 46 when the vent arm 24 occupies its closed position, the projection 44 being out of alignment with the fixed component 10 when the vent arm 24 occupies this position. |
