Spring trip mechanism

Details Spring trip mechanism Spring trip mechanism

1975-10-10

1977-12-27

Stouffer, Richard T.

Earth working

Tool, standard or connection

Spring biased or formed tool or tool part

172264, A01B 6104

Patent

active

040649466

ABSTRACT:
A device for mounting an earth working tool to a tool bar for allowing the earth working tool to move upwardly and rearwardly when it encounters an object which it cannot penetrate, rather than placing an undesirably high force on the earth working tool itself. A tool holding rod is moveably mounted in a slot in a housing and is pivotally connected to a pair of levers which are, in turn, pivotally connected to the housing. Biasing structure is provided for urging the earth working tool to a proper working position.

REFERENCES:
patent: 177082 (1876-05-01), Strout
patent: 404845 (1889-06-01), Kissell
patent: 1110986 (1914-09-01), Berg
patent: 1205416 (1916-11-01), Trout
patent: 1502832 (1924-07-01), Kirtlan
patent: 1593929 (1926-07-01), Carrier
patent: 2731899 (1956-01-01), Abrams
patent: 2944613 (1960-07-01), Anderson
patent: 3321031 (1967-05-01), Evans

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