Fitting for maintaining a leaf in a partially open position
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 14, 1992
Grant Date -
N/A
app pub date -
Nov 28, 1990
filing date -
Dec 19, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Fitting for a door, window or the like comprising locking elements provided with at least one operating rod allowing the actuation of a mechanism for locking the leaf in rotation, in various angular positions, with respect to the sash-frame. This mechanism is composed of at least a clamping element and an additional member, one of which is made integral with an extension of the operating rod and the other one with the sash-frame. The clamping element and the additional member of the actuation mechanism are located on the rotation axis of the leaf, each comprising slits intended for co-operating with each other when actuating the locking elements. The clamping element further comprising connecting members intended for making same integral with either the sash-frame or the operating rod and with respect to which it can move with a stroke of a length at least equal to the height of its slits. The clamping element also includes a springy pull-off mechanism intended for pushing same back in the direction of the additional member, with the additional member being capable of pivoting about the rotation axis and comprising braking members allowing this pivoting only upon application of a varying intensity driving torque.
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