E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
37/5
E04D 15/00 (2006.01) B28D 1/18 (2006.01) B63B 59/06 (2006.01) E01C 23/088 (2006.01) E01H 1/10 (2006.01) E01H 5/12 (2006.01) E04G 23/00 (2006.01)
Patent
CA 1210582
Abstract A tool (10) and method for scarifying a surface is disclosed, Tool (10) comprises a backing plate (14) having a plurality of equally spaced brackets (16) extending down- wardly therefrom. Each bracket (16) supports a pair of axles (18) on which are mounted scarifying elements (20, 20a). Each axle pair thereby defines leading and trailing stacks (32, 34) of cutting elements (20, 20a). The leading stack (32) of elements (20, 20a) scarifies parallel paths of soilage while the trailing stack (34) of elements (20, 20a) scarifies soilage between the indicated parallel paths to thereby clean a width of surface.
443509
Ridout & Maybee Llp
Tennant Company
LandOfFree
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