FIELD: electrical engineering. SUBSTANCE: device comprises service lines 3 disposed on flexible band 4 one end of which is connected to movable working tool 1 while the other one, to fixed member 2. Loop of band 4 carries suspended counterweight in the form of hollow ballasted rollers 6 and 7. EFFECT: improved design. 2 dwg
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Authors
Dates
1994-12-30—Published
1991-06-24—Filed