US 7,526,885 B2
Splitter grappler
Arnold N. Peterson, Eugene, Oreg. (US); and Peter B. Alford, Chesire, Oreg. (US)
Assigned to Peterson Pacific Corporation, Eugene, Oreg. (US)
Filed on Dec. 11, 2006, as Appl. No. 11/609,203.
Claims priority of provisional application 60/750239, filed on Dec. 13, 2005.
Prior Publication US 2007/0130808 A1, Jun. 14, 2007
Int. Cl. E02F 3/96 (2006.01); A01G 23/08 (2006.01)
U.S. Cl. 37—406  [37/410; 37/302; 144/4.1; 414/722] 11 Claims
OG exemplary drawing
 
1. A debris splitting grappler adapted to be controllably attached to an excavator stick of the type having a first hydraulic cylinder and a second hydraulic cylinder comprising:
a first grappled portion adapted to be pivotally coupled with the stick and adapted to be pivoted by the first hydraulic cylinder;
a second grapple portion adapted to be coupled with the stick, the first grapple portion and the second grapple portion adapted to cooperate in order to grab an object of debris;
a knife adapted to be coupled with the stick and adapted to pivot with respect to or in conjunction with the second grapple portion to split and/or cut the object, at least one of the second grapple portion and/or the knife operatively coupled to a second cylinder to effect the pivoting of one or both of the second grapple portion and the knife;
wherein the second grapple portion is movably fixed relative to the stick; and
wherein the second grapple portion includes a fixing member that allows the second grapple portion to be fixed relative to the stick at a number of predetermined positions.