FIELD: locksmith's work. SUBSTANCE: the cross-bar has a head and a tail-piece, it is additionally provided with a body with guides, the head is made as bodies of revolution installed on the body guides, and the tail-piece is made in the form of a bracket with two additional guides, installation hole and a lock, the bodies of revolution are kinematically linked with one of the additional guides of the tail-piece and installed for turning relative to the latter and relative to the body guides. EFFECT: enhanced resistance to breaking in. 6 cl, 3 dwg
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|---|---|---|---|
| METHOD FOR MANUFACTURE OF CROSS-BAR AND CROSS-BAR | 2001 |
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| CROSS-BAR | 2005 |
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