Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Reexamination Certificate
2007-06-26
2007-06-26
Marcelo, Emmanuel M (Department: 3654)
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
Reexamination Certificate
active
10908713
ABSTRACT:
A hoisting device, especially a cable or chain block, with a hoisting transmission having at least one shaft and with a hoisting load measuring mechanism. In order to determine the hoisting load as accurately as possible and possibly independent of the reeving and without additional structural height, the hoisting load has at least one sensor for detecting the deformation of the shaft produced by the hoisting load and the detected deformation is used as a quantity in determining the hoisting load.
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European Search Report completed Sep. 23, 2005, from corresponding European Application No. EP 05 01 1161.
Kohlenberg Thomas
Schulte Franz
Demag Cranes & Components GmbH
Marcelo Emmanuel M
Van Dyke Gardner, Linn & Burkhart, LLP
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