Cutlery – Cutting tools – Plural blade
Patent
1984-08-10
1985-10-22
Peters, Jimmy C.
Cutlery
Cutting tools
Plural blade
30500, 30DIG7, 15180, B26B 2700
Patent
active
045479666
ABSTRACT:
A generally cup shaped cutting head for fitting over and around the sprinker head includes a generally circular cutting edge for cutting around a sprinkler head, and a cleaning brush mounted concentrically within the cutting head and recessed from the cutting edge for engaging and cleaning the surface of a sprinkler head, with the cutting head detachably mounted on the end of an elongated drive shaft which is adapted to be driven by an electric drill motor or the like.
REFERENCES:
patent: 2809864 (1957-10-01), Carr
patent: 3118162 (1964-01-01), Karr
patent: 3143176 (1964-08-01), Drane, Jr.
patent: 3398422 (1968-08-01), Barry
patent: 3555680 (1971-01-01), Ford
patent: 3747213 (1973-07-01), Green et al.
patent: 3905103 (1975-09-01), Ford et al.
patent: 3923102 (1975-12-01), Morris
patent: 3938249 (1976-02-01), Chacon
patent: 4022283 (1977-05-01), Morgan
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