Earth working – Rolling – rotating or orbitally moving tool – Tool has circumferentially spaced teeth – tines – blades or...
Patent
1981-05-18
1983-10-18
Johnson, Richard J.
Earth working
Rolling, rotating or orbitally moving tool
Tool has circumferentially spaced teeth, tines, blades or...
172556, 172719, 291483, A01B 3908
Patent
active
044100485
ABSTRACT:
This invention consists of a device by means of which worn out spoons on the teeth of the wheels of rotary hoes can be easily replaced. It consists of individual spoons which replace the worn out spoons, and portable fixtures which guide and hold the new spoons in the proper position for welding them to the existing teeth.
REFERENCES:
patent: 484758 (1892-10-01), Sears
patent: 1916833 (1933-07-01), Gadd
patent: 2148925 (1939-02-01), Bochy
patent: 2177026 (1939-10-01), Nightenhelser
patent: 2388553 (1945-11-01), Kraus
patent: 2597742 (1952-05-01), Mahoney
patent: 2691933 (1954-10-01), Emerson
patent: 3175522 (1965-03-01), Garber
patent: 4033270 (1977-07-01), Bezzerides
Tulen Jack A.
Tulen James L.
Gutchess, Jr. Allen D.
Johnson Richard J.
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