Tufting machine having a push rod seal system

Details Tufting machine having a push rod seal system Tufting machine having a push rod seal system

1999-09-23

2000-09-05

Nerbun, Peter

Sewing

Special machines

Embroidering

112256, 184 615, 184 618, D05B 7100, D05C 1510

Patent

active

061126810

ABSTRACT:
A tufting machine has a head, including a plurality of push rods reciprocably driven through push rod seals having a housing connected to the head of the tufting machine. The push rod seals include a driver connected to and moveable relative to the housing, a stack of oil seals is located between the driver and a ledge within the housing. A pressure bearing is located between the oil seals and the housing and the driver respectively. The push rod seal system allows for reciprocatory movement of the push rods therethrough while preventing oil leakage past a reciprocating push rod.

REFERENCES:
patent: 4522136 (1985-06-01), Wolff et al.
patent: 4545312 (1985-10-01), Ingram

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