Traversing hoists – Adjustable to transport or nonuse position – Collapsible or foldable boom
Reexamination Certificate
2007-05-08
2007-05-08
Brahan, Thomas J. (Department: 3654)
Traversing hoists
Adjustable to transport or nonuse position
Collapsible or foldable boom
C052S148000, C212S348000
Reexamination Certificate
active
10732765
ABSTRACT:
The within invention concerns a telescopic boom of a crane with a pivot section, telescopic sections that can telescope out of the pivot section, and a guying that has at least one guy stand housed to pivot on one of the sections, and at least one guy cable supported by the guy stand, as well as erection mechanisms for raising the support stand out of folded transportation position into raised operating position. According to the invention, the telescopic boom is characterized by the fact that the erection mechanism consists of a tension rod that connects the guy stand with an internal telescopic section that can telescope outward opposite the section on which the guy stand is housed to pivot.
REFERENCES:
patent: 763222 (1904-06-01), Van Driessche
patent: 2796178 (1957-06-01), Praschak
patent: 2905280 (1959-09-01), Weaver
patent: 3176854 (1965-04-01), Brown
patent: 3396814 (1968-08-01), Garnett
patent: 3477522 (1969-11-01), Templeton
patent: 4383616 (1983-05-01), Sterner et al.
patent: 4392573 (1983-07-01), Gyomrey
patent: 4498263 (1985-02-01), Bocker
patent: 4523669 (1985-06-01), Smith
patent: 4850161 (1989-07-01), McGinnis
patent: 4976361 (1990-12-01), Becker
patent: 4982853 (1991-01-01), Kishi
patent: 5597078 (1997-01-01), Becker et al.
patent: 5799807 (1998-09-01), Hamme
patent: 5803279 (1998-09-01), Stallbaumer et al.
patent: 6186347 (2001-02-01), Reifenscheid et al.
patent: 6481587 (2002-11-01), Higgins
patent: 6550624 (2003-04-01), Irsh et al.
patent: 22 58 807 (1974-06-01), None
patent: 84 11 406 (1985-05-01), None
patent: 200 02 179 (2000-08-01), None
patent: 200 02 748 (2000-08-01), None
patent: 100 22 658 (2001-03-01), None
patent: 100 84 263 (2002-04-01), None
patent: 200 20 974 (2002-04-01), None
patent: 101 29 022 (2003-01-01), None
patent: 1 213 254 (2002-06-01), None
Brahan Thomas J.
Dilworth & Barrese LLP
Liebherr-Werk Ehingen GmbH
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