Traversing hoists – Traveling bridge – Having vertical supporting legs
Reexamination Certificate
2009-02-09
2010-10-26
Brahan, Thomas J (Department: 3654)
Traversing hoists
Traveling bridge
Having vertical supporting legs
C212S326000, C296S100010, C296S100110
Reexamination Certificate
active
07819262
ABSTRACT:
Apparatus for covering a payload of a semitrailer with a tarpaulin cover having an overhead structure including a first travel beam and a second travel beam. A carriage is movable on the first travel beam and second travel beam from a position where the carriage rests over the payload to be covered to a position spaced apart in a side-by-side relation with the payload to be covered. A rotatable drum upon which a cable is wound is mounted to the carriage and the connector is used for connecting a free end of the cable to the tarpaulin. An electric system or hydraulic system is used for selectively locating the rotatable drum in opposite directions.
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