Tree trimming apparatus
First Claim
1. A tree trimming apparatus connectable to an operating arm comprising:
- a first housing connectable to said operating arm;
a first shaft journaled in said first housing and rotatable about a first axis;
means mounted on said first housing and operatively connected to said first shaft for rotating said first shaft about said first axis;
a second housing mounted on said first shaft;
a second shaft journaled in said second housing and rotatable about a second axis disposed at an angle relative to said first axis;
means mounted on said second housing and operatively connected to said second shaft for rotating said second shaft about said second axis;
a third housing mounted on said second shaft;
at least a third shaft journaled in said third housing and rotatable about a third axis disposed substantially parallel to said second axis, said shaft having severing means disposed thereon and rotatable therewith; and
means mounted on said third housing and operatively connected to said third shaft for rotating said third shaft about said third axis.
5 Assignments
0 Petitions
Accused Products
Abstract
A tree trimming apparatus connectable to an operating arm generally including a first housing connectable to the operating arm, a first shaft journaled in the first housing and rotatable about a first axis, means mounted on the first housing and operatively connected to the first shaft for rotating the first shaft about the first axis, a second housing mounted on the first shaft, a second shaft journaled in the second housing and rotatable about a second axis disposed at an angle relative to the first axis, means mounted on the second housing and operatively connected to the second shaft for rotating the second shaft about the second axis, a third housing mounted on the second shaft, at least a third shaft journaled in the third housing and rotatable about a third axis disposed parallel to the second axis, the third shaft having severing means disposed thereon and rotatable therewith and means mounted on the third housing and operatively connected to the third shaft for rotating the third shaft about the third axis.
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Citations
29 Claims
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1. A tree trimming apparatus connectable to an operating arm comprising:
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a first housing connectable to said operating arm; a first shaft journaled in said first housing and rotatable about a first axis; means mounted on said first housing and operatively connected to said first shaft for rotating said first shaft about said first axis; a second housing mounted on said first shaft; a second shaft journaled in said second housing and rotatable about a second axis disposed at an angle relative to said first axis; means mounted on said second housing and operatively connected to said second shaft for rotating said second shaft about said second axis; a third housing mounted on said second shaft; at least a third shaft journaled in said third housing and rotatable about a third axis disposed substantially parallel to said second axis, said shaft having severing means disposed thereon and rotatable therewith; and means mounted on said third housing and operatively connected to said third shaft for rotating said third shaft about said third axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23)
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20. An apparatus according to claim i wherein said second mentioned rotating means comprises a fluid actuated, rotary drive motor and said first housing and said first shaft include passageways for conducting fluid between a set of ports on said first housing and a set of ports on said first shaft, and including fluid lines interconnecting said second mentioned set of ports and said rotary drive motor.
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24. A tree trimming assembly comprising:
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a pedestal; a boom operatively connected to said pedestal and; a tree trimming apparatus comprising a first housing operatively connected to said boom, a first shaft journaled in said first housing and rotatable about a first axis, means mounted on said first housing and operatively connected to said first shaft for rotating said first shaft about said first axis, a second housing mounted on said first shaft, a second shaft journaled in said second housing and rotatable about a second axis disposed at an angle relative to said first axis, means mounted on said second housing and operatively connected to said second shaft for rotating said second shaft about said second axis, a third housing mounted on said second shaft, at least a third shaft journaled in said third housing and rotatable about a third axis disposed parallel to said second axis, said third shaft having severing means disposed thereon and rotatable therewith, and means mounted on said third housing and operatively connected to said third shaft for rotating said third shaft about said third axis. - View Dependent Claims (25, 26)
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27. A tree trimming unit comprising:
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a vehicle; a pedestal mounted on said vehicle; a boom operatively connected to said pedestal and; a tree trimming apparatus comprising a first housing pivotally connected to said boom, means operatively interconnecting said boom and said first housing for pivoting said housing relative to said boom, a first shaft journaled in said first housing and rotatable about a first axis, means mounted on said first housing and operatively connected to said first shaft for rotating said first shaft relative to said first housing about said first axis, a second housing mounted on said first shaft, a second shaft journaled in said second housing and rotatable about a second axis disposed at an angle relative to said first axis, means mounted on said second housing and operatively connected to said second shaft for rotating said second shaft about said second axis, a third housing mounted on said second shaft, at least a third shaft journaled in said third housing and rotatable about a third axis disposed parallel to said second axis, said third shaft having severing means disposed thereon and rotatable therewith and means mounted on said third housing and operatively connected to said third shaft for rotating said third shaft about said third axis. - View Dependent Claims (28, 29)
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Specification