FIELD: building units, particularly doors.
SUBSTANCE: door comprises door frame, two door leafs pivotally secured to vertical frame members. Door leafs are secured from both frame sides so that door leafs may be opened in the same directions. Each door leaf has holders with orifices located in upper part thereof and offset relative vertical hinge axes. Created in center of vertical frame member is orifice in which cartridge with vertical pole is inserted. Spring-loaded damping double-armed lever with orifices formed at lever ends is pivotally secured to the pole. Length-adjustable tie rods are pivotally secured in holder orifices and in lever orifices.
EFFECT: increased throughput, provision of free two-way movement, reduced angle of doors rotation, increased service life in undamaged state.
6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DOOR ACTUATING DEVICE | 0 |
|
SU1397606A1 |
| SHIELDED FIRE ESCAPE WITH LIFTING DEVICE | 2006 |
|
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|
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|
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|
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|
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|
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|
RU2508436C2 |
