the object of the application is a chair with backrest.the declaration applies to the chairs of different types of seats, including fixed, sliding, rotating with respect to the base, and even uchylnych,in what concerns also chairs with backrest with adjustable height relative to the seat (4), and the base substrate and a list to the rear.chair with backrest includes base seat (4) and odchylny back assembly, where, on the basis of a reclining mechanism is mounted unit and the seat (4),the assembly of the odchylny contains base and system of appropriate wsporczy proper (2 '),which in turn is mounted on the wsporczy arm band of the reclining mechanism.the wsporczy is moved on the shoulder of the reclining mechanism, and also the wsporczy of proper (2) includes at least one pivot motor swinging from a tree of proper (2 '),by indirectly is appropriate (2) is fixed on the shoulder of the reclining mechanism.however, basing the competent (2 ') is equipped with a hole under each mounted in the wrist motor swinging from a tree.the base (2 ') as openings has its two sides longitudinal cracks after przelotowe (13'), which are attached in the gimbal motor swinging from a tree,which is the instantaneous movement in the slot motor swinging from a tree have position (13 ') and a position blocking movement in the slot (13),while maintaining a limited freedom of movement of the torque (2) around a pivot motor swinging from a tree to + / - 30 degrees full angle measurement.the gimbal motor swinging from a tree moving in the slot (13) suwliwie by obtaining position locking by docisk pivot motor swinging from a tree to the envelope (13) or by a displacement mechanism (15) the pulse motor swinging from a tree in the slot (13).the displacement mechanism (15) has a pivot motor swinging from a tree nasadzanego wrist torque motor swinging from a tree after the skid toothed wheels przesuwnego ratio or is in the form of two intersecting system (21).of which the first are used (21 ') connects the fixed anchorage point (22) located at the edge of the thoroughfare gap (13) with fixed point attachment (22) located on the arm mechanism odchylania team based, and the second are used (21 ') connects the second edge of the rift (13') of the second end, respectively, where both pulleys (21 ',21 ") are intermediate points support (23) on the base wsporczym proper (2 ').
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