| 摘要 |
Hoist, characterized in that it mainly consists of a combination of a driving pulley (1), consisting of two parallel pulley halves (2, 3); elastic means (4) axially pressing together the pulley halves (2, 3); and a cable groove (5) formed by the two pulley halves (2, 3) having parallel flank parts (12, 13), at least in the area where the cable (11) is gripped; and small cable guiding wheels (6) working together with the cable groove (5), more specifically along its entire angle of contact. |
