Resiliently contractable cutter head for delimbing trees

Patent Images

1. A CUTTER HEAD ASSEMBLAGE FOR DELIMBING STANDING TREES WHICH COMPRISES:

(A) A MOUNTING FRAME ADAPTED TO BE POSITIONED ADJACENT THE TRUNK OF A TREE, (B) A FIRST ARM SWINGABLY MOUNTED ON SAID FRAME, (C) A SECOND ARM SWINGABLY MOUNTED ON SAID FRAME, AND OPPOSED TO SAID FIRST ARM FOR RECEPTION OF A TREE TRUNK THEREBETWEEN, (D) A FIRST PAIR OF SHEARING BLADES HAVING THEIR ADJACENT ENDS PIVOTALLY MOUNTED ON SAID FIRST ARM AND HAVING SPRING MEANS BIASING SAID BLADES TOWARD ONE ANOTHER TO DEFINE A CONFIGURATION CONCAVELY DIRECTED TOWARD SAID SECOND ARM, (E) A SECOND PAIR OF SHEARING BLADES HAVING THEIR ADJACENT ENDS PIVOTALLY MOUNTED ON SAID SECOND ARM AND HAVING SPRING MEANS BIASING SAID LAST-MENTIONED BLADES TOWARD ONE ANOTHER TO DEFINE A CONFIGURATION CONCAVELY DIRECTED TOWARD SAID FIRST ARM, (F) EACH OF SAID SHEARING BLADES HAVING AN UPWARDLY DIRECTED IMPACT EDGE, (G) MEANS BIASING SAID FIRST AND SECOND ARMS TOWARD EACH OTHER FOR RESILIENTLY FITTING SAID FIRST AND SECOND PAIRS OF SHEARING BLADES AGAINST OPPOSED AREAS OF A TREE TRUNK, (H) AND LIFT MEANS SECURED TO SAID MOUNTING FRAME FOR SWIFTLY RAISING THE ENTIRE ASSEMBLAGE VERTICALLY ALONG THE TRUNK OF A STANDING TREE SO AS TO SHEAR BY IMPACT THE BRANCHES THEREFROM.

Timeline View

Assignment View

1. A CUTTER HEAD ASSEMBLAGE FOR DELIMBING STANDING TREES WHICH COMPRISES:
- (A) A MOUNTING FRAME ADAPTED TO BE POSITIONED ADJACENT THE TRUNK OF A TREE, (B) A FIRST ARM SWINGABLY MOUNTED ON SAID FRAME, (C) A SECOND ARM SWINGABLY MOUNTED ON SAID FRAME, AND OPPOSED TO SAID FIRST ARM FOR RECEPTION OF A TREE TRUNK THEREBETWEEN, (D) A FIRST PAIR OF SHEARING BLADES HAVING THEIR ADJACENT ENDS PIVOTALLY MOUNTED ON SAID FIRST ARM AND HAVING SPRING MEANS BIASING SAID BLADES TOWARD ONE ANOTHER TO DEFINE A CONFIGURATION CONCAVELY DIRECTED TOWARD SAID SECOND ARM, (E) A SECOND PAIR OF SHEARING BLADES HAVING THEIR ADJACENT ENDS PIVOTALLY MOUNTED ON SAID SECOND ARM AND HAVING SPRING MEANS BIASING SAID LAST-MENTIONED BLADES TOWARD ONE ANOTHER TO DEFINE A CONFIGURATION CONCAVELY DIRECTED TOWARD SAID FIRST ARM, (F) EACH OF SAID SHEARING BLADES HAVING AN UPWARDLY DIRECTED IMPACT EDGE, (G) MEANS BIASING SAID FIRST AND SECOND ARMS TOWARD EACH OTHER FOR RESILIENTLY FITTING SAID FIRST AND SECOND PAIRS OF SHEARING BLADES AGAINST OPPOSED AREAS OF A TREE TRUNK, (H) AND LIFT MEANS SECURED TO SAID MOUNTING FRAME FOR SWIFTLY RAISING THE ENTIRE ASSEMBLAGE VERTICALLY ALONG THE TRUNK OF A STANDING TREE SO AS TO SHEAR BY IMPACT THE BRANCHES THEREFROM.

Litigation Campaign Assessment