Bush assembly

Spring devices – Resilient shock or vibration absorber – Nonmetallic – resilient element

Patent

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Details

267280, 384153, 277152, 277212FB, 403228, 280673, F16F 138

Patent

active

050694316

ABSTRACT:
A bush assembly includes an inner cylindrical member for supporting an elongated member, a rigid sleeve slideably fixed to the outer surface of the inner cylindrical member via a slipping member, and an outer cylindrical member fixed to the outer surface of the rigid sleeve via an elastic member. The rigid sleeve has a greater diameter portion at one end thereof so that an annular space is formed between the greater diameter portion and one end of the inner cylindrical member. The bush assembly further includes a sealing member which is disposed in the annular space for preventing muddy water or the like from getting into the interfaces between the slipping member and the inner cylindrical member and between the slipping member and the rigid sleeve. The sealing member includes an outer portion fixed to the rigid sleeve, an inner portion being brought into contact with the inner cylindrical member, and an intermediate portion arranged therebetween. The intermediate portion has an annular corrugated wall which extends between the inner and outer portions.

REFERENCES:
patent: 3304136 (1967-02-01), Muller
patent: 4017089 (1977-04-01), Kurata et al.
patent: 4557354 (1985-12-01), Sakakibara
patent: 4709789 (1987-12-01), Czich et al.
patent: 4744677 (1988-05-01), Tanaka et al.
patent: 4809960 (1989-03-01), Kakimoto et al.

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