E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 3/40 (2006.01) E02F 5/22 (2006.01) E02F 7/06 (2006.01)
Patent
CA 2310798
A clam bucket of the present invention has a first and a second bucket halves, each bucket half includes a first and a second side wall, a bucket back wall, and a bucket connecting plate. At least a portion of each of the two side walls is made of a side wall screen. The bucket back wall is rigidly connected between the first and the second side walls and extends from the bucket top edge to the bucket digging edge. At least a portion of the bucket back wall is composed of a back wall screen. The side wall and back wall screens should be positioned so as to allow padding material to pass through the screen but prohibit the passage of stones through the screen. The bucket connecting plate is rigidly connected to the outside of the bucket back wall and positioned between the first side wall and the second side wall so that connection to a backhoe can be made. A bucket actuating hydraulic cylinder connection collar is also positioned on the bucket connecting plate so that a bucket actuating hydraulic cylinder, which is used to open and closet the two halves in a clam shell like manner, may be pivotably connected to each bucket connecting plate. It is preferred that the bucket connecting plate of at least one of the bucket halves further include a bucket positioning arm having a bucket positioning arm collar. The bucket positioning arm is rigidly connected to the bucket connecting plate so as to permit the connecting of the bucket connecting plate to a crown boom hydraulic cylinder.
Cronk Thomas J. Jr.
Finlayson & Singlehurst
LandOfFree
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