Roller supporting means for long retracting soot blowers
AssigneeThe Babcock & Wilcox Company
InventorsDean C. Ackerman, Charles W. Hammond
Life of this patent
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Abstract
Roller supporting means for the lance tube of a long travel retracting soot blower includes a pair of castering-type roller assemblies having their castering axes non-vertical. Each roller assembly is counterweighted to such extent as to substantially statically balance the assembly about its castering axis.
Claims4
In a soot blower having a lance tube which is movable both axially and angularly simultaneously, a plurality of castering-type roller assemblies for journaling and positioning the lance tube with respect to a desired path of movement, each assembly comprising a roller carrier, means journaling the carrier for swinging movement about a castering axis, and a roller journaled in the carrier on a roller axis displaced laterally from the castering axis and rollably engaging the lance tube.
Dependencies are inferred from the claim text.