Removable bucket tooth assembly
AssigneeJ. I. Case Company
InventorsClaude M. Frisbee, Rudolf Horsch, Victor R. Bowen
Life of this patent
Estimating the term…
Abstract
Improved means for removably attaching digging teeth to the cutting edge member of an earth-moving bucket. The attachment means includes a pair of clamping means which both apply sandwiching pressure on both the upper and lower surfaces of the edge member to hold the tooth in place against both front and side impacts.
Claims16
In means for removably attaching to the cutting edge member of an earth-moving bucket a tooth of the type having a shank portion with substantially parallel upper and lower prong surfaces forming a slot which is wider than the distance between substantially parallel upper and lower surfaces of the edge member and extends from an open end to a closed end, with the cutting edge member received within the slot, the improvement comprising:
- first clamping means applying sandwiching pressure on the upper and lower surfaces of the edge member at a position near the open end;
- and
- second clamping means applying sandwiching pressure on the upper and lower surfaces of the edge member at a position near the closed end, the second clamping means being in direct contact with one of said upper and lower cutting edge member surfaces,
- whereby the tooth is both firmly held in place against both front and side impacts and readily removable and reattachable.
In a bucket edge for earth-moving equipment of the type having a cutting edge member with substantially parallel upper and lower surfaces and a given thickness, at least one tooth along the edge member, and means removably securing the tooth to the edge member, the improvement in the securing means comprising:
- such tooth including a shank portion with upper and lower prongs, the upper and lower prongs having substantially parallel upper and lower prong surfaces, respectively, forming a slot which is wider than the given thickness and extends from an open end to a closed end, the cutting edge member being received within the slot;
- first clamping means applying sandwiching pressure on the upper and lower surfaces of the edge member at a position near the open end;
- and
- second clamping means applying sandwiching pressure on the upper and lower surfaces of the edge member at a position near the closed end, the second clamping means including bolt means extending through the two springs and the cutting edge member and having a pair of spaced end members and means to draw them together, a bushing around the bolt means extending from one of the end members to one of the edge member surfaces, said bushing having a dimension sufficient to allow application of pressure therethrough onto said one edge member surface,
- whereby the tooth is both firmly held in place against both front and side impacts and readily removable and reattachable.
In a bucket edge for earth-moving equipment of the type having a cutting edge member with upper and lower surfaces and a given thickness, at least one tooth along the edge member, and means removably securing the tooth to the edge member, the improvement in the securing means comprising:
- such tooth having a shank portion with upper and lower prongs forming a slot which is wider than the given thickness and extends from an open end to a closed end, the cutting edge member being received within the slot;
- first clamping means applying sandwiching pressure on the upper and lower surfaces of the edge member at a position near the open end;
- second clamping means applying sandwiching pressure on the upper and lower surfaces of the edge member at a position near the closed end, the second clamping means being in direct contact with one of said upper and lower cutting edge member surfaces;
- and
- the second clamping means extending through one of the two prongs, the cutting edge member, and at least a portion of the other of the two prongs and including:
- a pair of spaced end structures and means to draw the end structures together;
- the prongs including openings extending therethrough which are elongated in a direction along the prongs, one of the elongated openings being dimensioned to receive one of the end structures non-rotatably at adjustable positions along the elongated opening;
- said one end structure being inserted in said one elongated opening and bearing on one of the surfaces of the cutting edge member;
- and
- the elongated openings being located such that the cutting edge may be positioned in contact with the closed end of the slot,
- whereby the tooth is both firmly held in place against both front and side impacts and readily removable and reattachable.
In a bucket edge for earth-moving equipment of the type having a cutting edge member with substantially parallel upper and lower surfaces and a given thickness, at least one tooth along the edge member, and means removably securing the tooth to the edge member, the improvement in the securing means comprising:
- such tooth including a shank portion with upper and lower prongs, the upper and lower prongs having substantially parallel upper and lower prong surfaces, respectively, forming a slot which is wider than the given thickness and extends from an open end to a closed end, the cutting edge member being received within the slot;
- first clamping means applying sandwiching pressure on the upper and lower surfaces of the edge member at a position near the open end;
- second clamping means applying sandwiching pressure on the upper and lower surfaces of the edge member at a position near the closed end, the second clamping means being in direct contact with one of said upper and lower cutting edge member surfaces;
- and
- said second clamping means extending through the two prongs and the cutting edge member and having a pair of spaced end members, means to draw the end members together, and a spacer member extending from one of the end members to one of the edge member surfaces, said spacer member having a dimension sufficient to allow application of pressure therethrough onto said one edge member surface,
- whereby the tooth is both firmly held in place against both front and side impacts and readily removable and reattachable.
Dependencies are inferred from the claim text.