E - Fixed Constructions – 02 – B
Patent
E - Fixed Constructions
02
B
114/11, 61/9
E02B 15/02 (2006.01) B63B 35/12 (2006.01) E02B 17/00 (2006.01)
Patent
CA 1123216
ABSTRACT OF THE DISCLOSURE Improved means are disclosed for supporting the cut- ting teeth on the periphery of a rotating cylindrical drum ice cutter affixed to a floating arctic structure. The cutting teeth are individually removably affixed to brackets which extend spirally (either continuously or in segments) around the drum periphery and are supported in spaced re- lationship radially outwardly therefrom by very sturdy struts. Several benefits are obtained with this configuration: (1) hydrodynamic drag is minimized; (2) the teeth-support struc- ture can be made more rugged than individual ones for each tooth; (3) the teeth can be configured for a minimum of re- placeable material at the cutting tips; (4) more free volume is available around the drum periphery for disposal flow of disaggregated material and (5) tooth spacing can be readily adjusted for optimum performance according to requirements.
334694
Gowling Lafleur Henderson Llp
Suncor Inc.
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