Seal chain having greaser
AssigneeDaido Kogyo Co., Ltd.
InventorTakuma Ono
Life of this patent
Estimating the term…
Abstract
A greasing through hole is perforated through one outer link plate, and greasing device is attached to the through hole. Degreasing through-holes are perforated through an outer link plate or an inner link plate on the side distant from the outer link plate with a bearing section A between the link plates, and degreasing device 22 is attached to those through-holes. Lubricant injected from the greasing device is supplied to the bearing section A through a gap c between the sealing device and the outer link plate, and used lubricant within the bearing section A is discharged out of the degreasing device through another gap c.
Claims10
A seal chain comprising:
- outer links each comprising a pair of pins and a pair of outer link plates coupled by said pins;
- inner links each comprising a pair of bushings and a pair of inner link plates coupled by said bushings, said pins being rotatably inserted through said bushings so as to alternately link said inner links with said outer links;
- sealing devices each interposed between a respective one of said outer link plates and a respective one of said inner link plates so as to seal lubricant in a respective bearing section formed between each pin and each bushing, a first one of said pair of outer link plates of each of said outer links having a greasing through-hole perforated therethrough so as to communicate with said respective bearing section;
- and
- a greasing device attached to said greasing through-hole and configured to supply the lubricant from a side of an outer face of said first one of said pair of said outer link plates to said bearing section.
Dependencies are inferred from the claim text.