Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1978-09-26
1979-12-11
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
F23J 302
Patent
active
041775392
ABSTRACT:
An accessory transmission mechanism for causing the lance of a soot blower of the well-known IK long travel type to oscillate about its longitudinal axis, rather than rotating continuously in the conventional manner during its projecting travel and during its retracting travel, and which also drives the lance longitudinally, consists of a conversion transmission assembly adapted to be installed in the carriage of the blower. The conversion assembly includes a tubular idler shaft fitted on and rotatable independently of a solid inner shaft which is mounted in the blower carriage as a simple replacement for a corresondingly mounted shaft of the standard blower carriage. The tubular shaft drives a Scotch yoke mechanism and also drives the walking pinions which drive the carriage along the beam to actuate the lance longitudinally. The Scotch yoke mechanism, which is contained in an accessory housing attached to the side of the carriage, drives the solid internal shaft, which is geared to the hub of the lance to oscillate the latter.
REFERENCES:
patent: 3230568 (1966-01-01), Saltz
patent: 3377026 (1968-04-01), DeMart et al.
patent: 3439376 (1969-04-01), Nelson et al.
patent: 3477085 (1969-11-01), Dulait
Evans J. C.
Moore Christopher K.
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