Resettable breakaway system

Details Resettable breakaway system Resettable breakaway system

1997-11-13

1999-09-28

Novosad, Christopher J.

Earth working

With earth marker

172265, 172271, A01B 6902

Patent

active

059572167

ABSTRACT:
A breakaway system which is easily reset by a user and does not utilize shear pins or spring loaded tension devices. The inventive device includes a support member having a U-shaped cross-sectional area, an inner member attached to the support member, an outer member pivotally attached to the support member opposite of the inner member, a lip portion attached to the outer member which projects through an opening with the support member, and a spring leveraged arm pivotally attached to the inner member containing a roller opposite thereof which engages a swaged face of the lip portion. The lip portion preferably has a ramped face opposite of the swaged face which allows the lip portion to be reset behind the roller of the arm without requiring the replacement of any components.

REFERENCES:
patent: 4030551 (1977-06-01), Boetto et al.
patent: 4147305 (1979-04-01), Hunt
patent: 4825957 (1989-05-01), White et al.
patent: 5408756 (1995-04-01), Wahls
patent: 5485796 (1996-01-01), Bassett
John Deere 7000 Conservation 4-Row and 6-Row Narrow Max-Emerge Drawn Planters, May 1982.

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