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
1983-05-27
1986-08-05
Levy, Stuart S.
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
251371, A01K 7306, B66D 130
Patent
active
046038396
ABSTRACT:
An apparatus for transporting or displacing elongated objects in a direction longitudinal to the object comprises a rotatable traction wheel including a first and a second disc. A plurality of arcuately shaped ridges are defined on opposing surfaces of the discs. The ridges extend substantially axially from the center of the discs to the circumferences of the discs. The first and second discs are journalled to a rotatable shaft. The axial and angular positions of one or both of the discs with respect to the shaft may be adjustable. The shaft may include an articulated joint to permit the angle of rotation of the first disc to be displaced from the angle of rotation of the second disc.
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Ekman Uno
Hjert Leif
Hail III Joseph J.
Igelfors Bruks AB
Levy Stuart S.
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