Implements or apparatus for applying pushing or pulling force – Device or member for contacting and guiding moving cable – Including rotatable – cable contacting – pulley wheel element
Reexamination Certificate
2011-05-24
2011-05-24
Mansen, Michael R (Department: 3654)
Implements or apparatus for applying pushing or pulling force
Device or member for contacting and guiding moving cable
Including rotatable, cable contacting, pulley wheel element
C254S401000, C294S082110, C294S086410
Reexamination Certificate
active
07946560
ABSTRACT:
A hook block for a crane includes a sheave housing containing sheaves, extended portions with a hole through each, and a housing frame with a locking surface; a cross beam has multiple brackets each with a hole; a bracket has a plurality of surfaces corresponding to a plurality of angles of relative position between the sheave housing and the first cross beam, wherein the plurality of surfaces correspond to the locking surface and form a gap therebetween at each of the plurality of angles; a shaft rotatably captured within the holes of the extended portions of the housing and of the multiple brackets; and a locking bar sized to be placed in the gap between the locking surface and any of the plurality of surfaces to immobilize movement of the sheave housing relative to the cross beam.
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European Search Report for EP Application No. 10250333.1, mailed Oct. 21, 2010 (10 pages).
Drent Lambert
O'Neil William J.
Pleuss Alan E.
Stamhuis Dirk Albert
Brinks Hofer Gilson & Lione
Greene Nathan O.
Langdon Evan H.
Manitowoc Crane Companies, LLC
Mansen Michael R
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