Traversing hoists – Having means facilitating assembly or disassembly – Of counterweight from hoist
Reexamination Certificate
2011-03-01
2011-03-01
Brahan, Thomas J (Department: 3654)
Traversing hoists
Having means facilitating assembly or disassembly
Of counterweight from hoist
C212S196000, C212S258000
Reexamination Certificate
active
07896178
ABSTRACT:
Embodiments of the present invention generally relate to a pipelayer and a method for of loading a pipelayer or excavator for transportation. One embodiment includes a method for transporting a pipelayer or excavator from a first work site to a second worksite via a public road. The method includes acts of: raising the pipelayer or excavator off of track shoes of the pipelayer or excavator; removing a first track assembly from the pipelayer or excavator using a boom of the pipelayer or a boom assembly of the excavator; loading the first track assembly onto a first trailer of a first tractor-trailer using the boom of the remaining pipelayer or the boom assembly of the remaining excavator; removing the second track assembly from the pipelayer using the boom of the remaining pipelayer or the boom assembly of the remaining excavator; and loading the second track assembly onto the first trailer using the boom of the remaining pipelayer or the boom assembly of the remaining excavator.
REFERENCES:
patent: 2759563 (1956-08-01), Marnon et al.
patent: 3278045 (1966-10-01), Potter et al.
patent: 3851776 (1974-12-01), Leyrat
patent: 3945518 (1976-03-01), Inoue
patent: 7669898 (2010-03-01), Hamaguchi et al.
Brahan Thomas J
Hunton & Williams
Volvo Construction Equipment AB
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