Linked chain with improved sealing rings

Details Linked chain with improved sealing rings Linked chain with improved sealing rings

1978-10-04

1980-05-06

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277206R, 305 11, F16J 1534, F16J 1532

Patent

active

042013933

ABSTRACT:
A chain having a number of link units each of which includes a pin connecting a pair of outer link plates and a bush connecting a pair of inner link plates, between which a lubricating oil is held and sealed with a sealed ring interposed between the outer and inner link plates. The sealing ring is provided at either of the inside or outside ends thereof with lips of a V or T-shaped cross-section and at the other end with a thick body of a large volume. The pin is provided with oil reservoir recesses on the outer peripheral surface spaced apart from a load point at which the pin and bush are substantially in contact with each other.

REFERENCES:
patent: 2420047 (1947-05-01), Marien
patent: 3390923 (1968-07-01), Reinsma
patent: 4058322 (1977-11-01), Fass
patent: 4094515 (1978-06-01), Araya et al.

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