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(11) | EP 2 708 830 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Smoke extractor release |
(57) Smoke extractor release, in particular for a roof smoke flap and a smoke window or
a ventilation window characterised in that the axis of revolution of the releasing
lever (9) is a shaft (8), having a cylinder sector with a truncated flat surface (C),
while the collar (6) of the pusher (5) has a two-stage side surface profile, in which
the part of the side surface constituting a spring (7) bumper has a cylindrical shape
with a circumferential flat surface (A), towards the striker (7) turning into a cone
with a concave side surface (B), in addition in the stand-by position of the release
the concave surface (B) of the striker (4) pusher (5) is supported by the cylindrical
surface of the shaft (8) and the pusher (4) is interlocked in the position of spring
(7) tensioning.
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