Traversing hoists – Having means facilitating assembly or disassembly
Reexamination Certificate
2008-05-26
2009-10-20
Brahan, Thomas J. (Department: 3654)
Traversing hoists
Having means facilitating assembly or disassembly
C104S126000, C212S179000, C212S324000, C212S343000
Reexamination Certificate
active
07604134
ABSTRACT:
A portable knockdown trolley hoist, comprising: an overhead trolley support member having a top portion and bottom portion opposing one another; a trolley having a plurality of upper roller bearings and a plurality of lower roller bearings, opposing first mounting plates, an extension boom, and hoist, the plurality of upper and the plurality of lower roller bearings opposing one another and adjacent the top portion and the bottom portion of the overhead trolley support member, respectively, each having shafts transversely mounted to the opposing first mounting plates, opposing raised mounts, each of which have opposing second mounting plates removably fastened one to other and sandwiching the overhead trolley support member therebetween, the trolley rollably mounted to the overhead trolley support member between the opposing raised mounts; opposing substantially upright legs, each of the opposing raised support members having at least two of the opposing substantially upright legs removably fastened thereto.
REFERENCES:
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patent: 612413 (1898-10-01), Guernsey
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patent: 4645084 (1987-02-01), Deike
patent: 5368124 (1994-11-01), Fukutomi
patent: 5615785 (1997-04-01), Kaner
patent: 7377398 (2008-05-01), Lichinchi
Brahan Thomas J.
Lunenfeld Harvey
LandOfFree
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