FIELD: construction.
SUBSTANCE: application relates to a length-adjustable drive bar for fittings of drive rods, in which a first structural element for connection with a second structural member through a longitudinal section is provided with toothed fixture 3 on narrow sides 4, 5, in which second structural element enters additional internal gear attachment of toothed shoe, due to which first and second structural elements are dynamically connected in longitudinal direction. To ensure higher quality of teeth system in combination with minimum requirements to tool and machines it is provided that first structural element is made by stamping from billet, which along whole length is equipped with phases 10, 11.
EFFECT: quality of tooth system is considerably improved.
6 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| WINDOW OR DOOR | 2019 |
|
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RU2820994C1 |
