Title:
The hoisting drum for textiles rope drive devices, and a rope pulley
Document Type and Number:
Japanese Patent JP5937620
Kind Code:
B2
Abstract:
The present invention relates generally to rope drives working with high-strength fiber ropes such as crane hoists, boom adjustment gear, trolley traveling gear, etc. The invention in this respect in particular applies to hoist drums for the rope hoist winch of such a fiber rope drive having a drum jacket body which is provided with grooving at the peripheral side and having two guard plates adjacent to the drum jacket body at the end sides. The invention further relates to a rope pulley for such a fiber rope drive having a rotatably supported pulley body whose jacket surface has at least one rope groove. In accordance with the invention, the rope grooves have a flat-pressed, round groove contour which differs from the circular and which has a larger radius of curvature in the region of the groove base than in the region of the groove flanks adjacent thereto.
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Inventors:
Mpende Iraq
Horst zalza
Horst zalza
Application Number:
JP2013550803A
Publication Date:
June 22, 2016
Filing Date:
January 24, 2012
Export Citation:
Assignee:
Liebherr-Components Bieberach Game Behr
International Classes:
B66D1/30; B66D3/04
Domestic Patent References:
| JP1266289A | ||||
| JP2007210795A | ||||
| JP6100292A | ||||
| JP58216892A | ||||
| JP40024342Y1 |
Foreign References:
| DD127206A1 |
Attorney, Agent or Firm:
Maeda patent office