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1. (WO2017157611) OPENING-OUT DEVICE FOR A WINDOW OR DOOR SASH WHICH CAN BE AT LEAST SET OUT PARALLEL AND DISPLACED HORIZONTALLY IN THIS POSITION

Pub. No.:    WO/2017/157611    International Application No.:    PCT/EP2017/053723
Publication Date: Fri Sep 22 01:59:59 CEST 2017 International Filing Date: Tue Feb 21 00:59:59 CET 2017
IPC: E05D 15/10
Applicants: SIEGENIA-AUBI KG
Inventors: EIFEL, Andreas
Title: OPENING-OUT DEVICE FOR A WINDOW OR DOOR SASH WHICH CAN BE AT LEAST SET OUT PARALLEL AND DISPLACED HORIZONTALLY IN THIS POSITION
Abstract:
Opening-out device (6, 7) for a window or door sash (3) which can be at least set out parallel and displaced horizontally in this position, having lower opening-out arms (10) and upper opening-out arms (7), in which at least the lower opening-out arm(s) (10) is or are each rotatably mounted (14, 11) on the one hand on the lower sash crossmember and on the other hand on a or a respective carriage (12), having a releasable blocking device (17) for at least the lower opening-out arm(s) (10) situated in the parallel set-out position, which consists of a supporting lever (18) which acts, on the one hand, on the opening-out arm (10) in the region of the carriage(s) (12) and which, on the other hand, at its end which faces the carriage (12) and is driveably movable relative thereto, can be brought into and out of operative connection with an abutment (23) seated on the fixed frame (1) through the sliding movement of the sash (3) by means of a control projection (22), wherein the supporting lever (18) is a two-armed (18a, 18b) supporting lever (18) which is exclusively pivotably articulated (19) on the opening-out arm (10) in the region between the articulation point (11) on the carriage (12) and the articulation point (14) on the sash (3) and which engages in a pivotably displaceable manner in a guide slot (21) situated on the sash (3) by way of a guide pin (20) seated at the end of the lever arm (18b) assigned to the sash (3), which guide slot is provided with a latching receptacle (26) for the guide pin (20) at its end assigned to the parallel set-out position of the sash (3), while the control projection (22) is provided at the freely movable end of the lever arm (18a) facing the carriage (12), which control projection, through the sliding closing end movement of the sash (3), can be brought into operative connection with the abutment (23), having a curved slot (25), seated on the fixed frame (1), and can be fixed in a blocking engagement position therewith relative to the carriage through the sash-side guide slot (21), wherein the abutment 23 has a run-on surface (34) on the side (33) directed towards the control projection (22), wherein, given a movable lever arm (18), the control projection (22) can be transferred, by being controllably guided on the run-on surface (34), into the curved slot (25) of the abutment (23).