Shear pin assembly

Details Shear pin assembly Shear pin assembly

1992-02-03

1993-03-23

Reese, Randolph A.

Earth working

Overload shifting

Frangible lock

403 2, 172763, A01B 6104

Patent

active

051955970

ABSTRACT:
A soil penetrating tool assembly for mounting to a tool bar of a soil penetrating implement including a shank member which has an elongate body, a soil penetrating tool which is located on the first end of the body and a facing plate located on a second end of the body. The facing plate engages one side of the tool bar, and has a first end and a second end which has an opening. A clamping plate engages the other side of the tool bar, and has a first end and a forked second end which has two prongs each having openings including two sections, generally oblong in cross-section, offset from one another with different centerlines. The facing plate first end and clamping plate first end include facing flanges each having a through hole and a bolt secures the flanges together with a clearance therebetween. The opening sections in each of the clamping plate prongs and the facing plate opening define a generally cylindrical passage therethrough with a selected diameter when the shank member is mounted to the tool bar, and a shear pin extends through that defined passage.

REFERENCES:
patent: 3425755 (1969-02-01), Harris
patent: 4585073 (1986-04-01), Mayeda et al.
patent: 4786204 (1988-11-01), Mayeda
patent: 4842077 (1989-06-01), Peterson, Jr. et al.
patent: 5040616 (1991-08-01), Hake

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