Brushing – scrubbing – and general cleaning – Implements – Scrapers
Patent
1975-10-03
1979-05-22
Blum, Daniel
Brushing, scrubbing, and general cleaning
Implements
Scrapers
152353, A47L 1302, E04F 2117
Patent
active
041551427
ABSTRACT:
A traction tool for scraping away excessive grout between the joints of adjacent tile pieces of a floor or wall. The tool is fitted with a handle fixed to a base with a plurality of toothed wheels rotatably fitted in the base to extend below the undersurface of the base, the plane of all wheels lying on a common plane perpendicular to the undersurface of the base. The tool could be used to remove old grout prior to making a freshly grouted joint.
REFERENCES:
patent: 138911 (1873-05-01), Merriken
patent: D154835 (1949-08-01), Bishop
patent: D235704 (1975-07-01), Tyroler
patent: 552267 (1895-12-01), Westphaln
patent: 1681667 (1928-08-01), Johnston et al.
patent: 2947084 (1960-08-01), Billings
patent: 3617082 (1971-11-01), Sparks
patent: 3924328 (1975-12-01), Mould
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