Sealed self-lubricating roller chain
OwnerIzak Cornelius VAN ZYLinventor
Life of this patent
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Abstract
A roller chain includes a bush having first and second ends, a pin extending through the bush and having first and second ends projecting from the bush, a roller supported by an outer surface of the bush, a first inner link having an opening mounted on the first end of the bush and a second inner link having an opening mounted on the second end of the bush, a first outer link having an opening mounted on the first end of the pin and a second outer link having an opening mounted at the second end of the pin, and a first seal body axially mounted between the first inner link and the first outer link and a second seal body axially mounted between the second inner link and the second outer link, wherein the bush comprises a sintered cylinder impregnated with a lubricant.
Claims16
A roller chain comprising:
- a bush having a first end and a second end,
- a pin extending through the bush and having a first end extending from the first end of the bush and a second end extending from the second end of the bush,
- a roller supported by an outer surface of the bush and having a first end and a second end,
- a first inner link having a first opening mounted on the bush at the first end of the roller and a second inner link having a first opening mounted on the bush at the second end of the roller,
- a first outer link having a first opening mounted on the first end of the pin and a second outer link having a first opening mounted at the second end of the pin, and
- a first seal body axially mounted between the first inner link and the first outer link and a second seal body axially mounted between the second inner link and the second outer link,
- wherein the bush comprises a sintered cylinder impregnated with a lubricant.
Dependencies are inferred from the claim text.