Traversing hoists – Having means facilitating assembly or disassembly – Of traversing hoist from support
Reexamination Certificate
2009-03-02
2010-06-01
Brahan, Thomas J. (Department: 3654)
Traversing hoists
Having means facilitating assembly or disassembly
Of traversing hoist from support
C212S180000, C212S225000, C212S271000, C414S543000
Reexamination Certificate
active
07726497
ABSTRACT:
A slewing crane is assembled and installed at the end of a shipping and stowage container having block-shaped corner fittings. Left and right rotatable mounts engage top corner fittings on the container, and a cross piece section engages the rotatable mounts. A boom section has upper and lower hinges rotatably mounting it on the cross piece section via the hinges' axially aligned pins to extend outwardly from the cross piece section. A hoist on the boom section lifts and moves loads, and first and second displacement mechanisms connected to the boom section linearly displace the hoist and angularly displace the hoist and boom section in a slewing motion around the axis of the axially aligned pins. An element connected between the cross piece section and a corner fitting is tensioned by a turnbuckle to securely engage both rotatable mounts and hold the slewing crane on the container.
REFERENCES:
patent: 866393 (1907-09-01), Shaw
patent: 3006486 (1961-10-01), Gruble et al.
patent: 3482715 (1969-12-01), Worthington
patent: 3572513 (1971-03-01), Tantlinger et al.
patent: 3578179 (1971-05-01), Fujioka
patent: 4002243 (1977-01-01), Kramer
patent: 4249853 (1981-02-01), Lyvers
patent: 2490166 (1982-03-01), None
Leavitt Garrett W.
Sovel James Ellington
Updegrove Darryl
Brahan Thomas J.
Shepherd James T.
The United States of America as represented by the Secretary of
LandOfFree
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