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US 2020/0370272 A1Published application
Dipper door trip assembly
AssigneeJoy Global Surface Mining Inc
InventorsMatthew L. Gross, Richard L. Nicoson
Life of this patent
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Abstract
A dipper door trip assembly includes a dipper, a dipper door pivotally coupled to the dipper, a linkage assembly including a sliding latch bar disposed at least partially in the dipper door, and a latch keeper coupled to the dipper. The latch keeper includes a roller that engages and disengages the latch bar.
Claims12
A dipper door trip assembly comprising:
- a dipper;
- a dipper door pivotally coupled to the dipper;
- a linkage assembly including an elongate, sliding latch bar disposed at least partially in the dipper door, wherein the sliding latch bar is configured to slide linearly relative to the dipper door;
- a latch keeper coupled to the dipper;
- and
- a roller assembly configured to facilitate sliding of the latch bar as the latch bar slides linearly with respect to the dipper door, wherein at least a portion of the roller assembly is configured to be in direct contact with the latch bar when the latch bar slides through the latch keeper.
3 more elements
Dependencies are inferred from the claim text.