Extendable scarifier system
AssigneeCaterpillar Inc.
InventorsBenjamin J. Kovalick, Rena J. Kanegae, David L. Cox, Nathan G. Tissier, Nathaniel K. Harshman
Life of this patent
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Abstract
A motor grader is disclosed that includes a frame and an extendable scarifier system supported on the frame. The scarifier system includes first and second drawbar arms coupled to the frame. A carriage is coupled to the first and second drawbar arms. The carriage includes a carriage body having first and second lateral ends. A first extension element is attached to the first lateral end of the carriage body and a second extension element is attached to the second lateral end of the carriage body. The first and second extension elements each supporting at least one tooth.
Claims20
A motor grader comprising:
- a frame having a front end and a rear end;
- an extendable scarifier system supported on the frame comprising:
- first and second drawbar arms coupled to the frame;
- a carriage coupled to the first and second drawbar arms, the carriage including a carriage body having a leading edge closest to the front end of the frame, a trailing edge closest to a rear end of the frame and first and second lateral ends;
- and
- a first extension element attached to the first lateral end of the carriage body and a second extension element attached to the second lateral end of the carriage body, the first and second extension elements each supporting at least one tooth.
An extendable scarifier system comprising:
- first and second drawbar arms;
- a carriage coupled to the first and second drawbar arms, the carriage including a carriage body supporting a plurality of teeth and having a leading edge, a trailing edge and first and second lateral ends;
- and
- a first extension element attached to the first lateral end of the carriage body and a second extension element attached to the second lateral end of the carriage body, the first and second extension elements each supporting at least one tooth.
A system for extending a carriage body of a scarifier system, the carriage body having a leading edge, a trailing edge, a first lateral end and a second lateral end, the system comprising:
- a first extension element attached to the first lateral end of the carriage body;
- and
- a second extension element attached to the second lateral end of the carriage body, the first and second extension elements each supporting at least one tooth.
Dependencies are inferred from the claim text.