Earth working – Rolling – rotating or orbitally moving tool – Tool has circumferentially spaced teeth – tines – blades or...
Patent
1981-03-09
1984-01-31
Stouffer, Richard T.
Earth working
Rolling, rotating or orbitally moving tool
Tool has circumferentially spaced teeth, tines, blades or...
172551, 172572, 172711, 267158, 280699, 474135, A01B 2104, A01B 6104
Patent
active
044284373
ABSTRACT:
A yielding mount assembly connecting a movable arm to a support. The arm is adapted to be attached to a number of structures including an earthworking tool, a rotary hoe wheel, a belt tightener roller, and a wheel supporting a vehicle. The mount assembly has a first member clamped onto the support with a U-bolt. A second member is pivoted on the first member and connected to the arm. A split ring spring mounted on the first and second members holds the arm in a first position. The arm is movable from the first position to a second position against the biasing force of the split ring spring. Expansion of the split ring spring in response to pivotal movement of the arm decreases the spring torque arm so that the biasing force applied to the arm is maintained substantially constant during movement of the arm.
REFERENCES:
patent: 211003 (1978-12-01), Dunbar
patent: 392695 (1888-11-01), Sheldon
patent: 691571 (1902-01-01), LaDow
patent: 787901 (1905-04-01), Denyes
patent: 1048040 (1912-12-01), Coates
patent: 2022335 (1935-11-01), Bernthal
Hiniker Company
Stouffer Richard T.
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