Motor vehicles – Having at least one wheel both driven and steerable – Steerable wheel has exclusive axis of pivot
Reexamination Certificate
2006-09-27
2010-06-29
Fox, Charles A (Department: 3652)
Motor vehicles
Having at least one wheel both driven and steerable
Steerable wheel has exclusive axis of pivot
C414S460000
Reexamination Certificate
active
07743870
ABSTRACT:
The invention relates to a crane comprising bogie structures (3) in the corners of the crane, a tandem drive wheel and idle wheel (8, 9) arranged in each bogie structure and provided to turn in the bogie structure offset from their vertical axes, and a turning device arrangement (15, 16) provided between each wheel pair for turning the wheel pair in cooperation to a selected position, the turning device arrangement comprising at least two turning rods (15, 16) connecting the wheels, which turning rods are connected to counterparts (17, 18, 19, 20) provided for each turning position or function in load-bearing structures (10, 11) of the wheels (8, 9) and turning along therewith, whereby at one wheel the position of the turning rods or the counterparts in the load-bearing structure is slidable around the load-bearing structure, yet the one of the counterparts or turning rods that corresponds to the selected turning position may be locked with a locking mechanism (21, 22, 23, 24) immobile with respect to the load-bearing structure for enabling wheel turning.
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Fox Charles A
KCI Konecranes PLC
Muncy Geissler Olds & Lowe, PLLC
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