Traversing hoists – Having means facilitating assembly or disassembly – Of traversing hoist from support
Reexamination Certificate
2009-02-13
2009-11-24
Brahan, Thomas J. (Department: 3654)
Traversing hoists
Having means facilitating assembly or disassembly
Of traversing hoist from support
C212S270000, C414S542000
Reexamination Certificate
active
07621410
ABSTRACT:
An X-Y bridge crane can be assembled and erected by workmen to lift and move loads at the end of a shipping and stowage container having block-shaped corner fittings at top corners and bottom corners. Rotatable top securing brackets engage the top block-shaped corner fittings and rotatable bottom securing brackets engage the bottom block-shaped corner fittings. Inner end portions of brace members are rotatably connected to the rotatable bottom securing brackets. A framework having inner extensions, outer projecting parts and a laterally extending hoist-traveling beam has inner extensions connected to the top securing brackets and outer projecting parts connected to the outer end portions of the brace members. A hoist is mounted on the hoist-traveling beam to lift and move loads on the framework, and first and second chainfalls connected to the hoist linearly displace the hoist in orthogonal directions.
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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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