DUFTY, RAYMOND JEFFREY;RIX, DOROTHEA ISABEL MAUD; RAYMOND JEFFREY;DUFTY
发明人:
DUFTY, RAYMOND JEFFREY
申请号：
CA2989955
公开号：
CA2989955A1
申请日:
2016.06.16
申请国别(地区):
CA
年份:
2016
代理人:
摘要：
A rolling assembly, the rolling assembly including : abody； one or more surface rollers rotatable withrespect to the body； and at least one rotatable sweepingdevice including: an elongate member rotatable with respectto the body； and a sweeping head located over the elongatemember and rotatable with respect to the elongate member,wherein the sweeping head is configured to engage with theone or more surface rollers such that the rotation of the oneor more surface rollers rotates the sweeping head.
