Lubricant retaining chain

Details Lubricant retaining chain Lubricant retaining chain

1998-06-10

1999-08-31

Jones, David

Chain, staple, and horseshoe making

Chain making

Sprocket chain

59 78, 474206, 474207, F16G 1306, B21L 900

Patent

active

059438550

ABSTRACT:
A chain includes a plurality of link assemblies connected with each other. One of the adjacent link assemblies has a first pair of plates disposed apart in the direction perpendicular to the longitudinal direction of the chain and a pair of hollow cylindrical bushes press-fitted to the first pair of plates. The other of the adjacent link assemblies has a second pair of plates disposed apart in the direction perpendicular to the longitudinal direction of the chain so as to locate at the outside of the first pair of plates and a pin penetrated through the bush and press-fitted to the second pair of plates. A moisture absorption member which retains lubricant oil between the bush and the pin is placed between facing surfaces of the first and second plates. The moisture absorption member has a large deformation amount and a small restoration amount.

REFERENCES:
patent: 3135128 (1964-06-01), Rudolph
patent: 3492885 (1970-02-01), Nolte
patent: 4594846 (1986-06-01), Livesay et al.
patent: 5459993 (1995-10-01), Kuriyama et al.
patent: 5809767 (1998-09-01), Tanaka

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