Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent
1998-02-20
2000-03-28
Walsh, Donald P.
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
254277, 254278, 254383, B66D 114
Patent
active
060420871
ABSTRACT:
A device (1) for equalizing the weight of a suspended load, for example a tool to be operated by hand, includes a cable drum (2) and at least two parallel or substantially parallel suspension cables (3), which can be evenly wound up and unwound on a corresponding number of grooves (9) of matching diameter arranged parallel alongside one another on the cable drum (2). Each of the suspension cables (3) has for this purpose a resistance to tear corresponding to or exceeding the nominal load to be accommodated, so that considerably larger safety reserves are present, and even if one cable tears, the remaining cable can continue to carry the load. By distributing the load on two cables, the danger of a cable tear is, however, at the same time diminished.
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Marcelo Emmanuel M.
Theodor Kromer GmbH, Unternehmensgruppe Unican
Walsh Donald P.
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