Vibration control bush assembly

Details Vibration control bush assembly Vibration control bush assembly

1976-03-16

1977-06-28

Peters, Jr., Joseph F.

Cutlery

267 571R, F16C 2700

Patent

active

040322025

ABSTRACT:
A bush assembly for vibration control, particularly adapted for use in supporting a suspension arm of an automobile suspension system. The bush assembly includes an inner sleeve which is stationarily supported, and an outer sleeve coaxially encircling the inner sleeve and defining a cylindrical clearance space encircling the inner sleeve. The inner and outer sleeves are both separable into a pair of sleeve sections which meet end to end substantially in a common plane. The clearance space is partly filled with a pair of generally cylindrical, primary impact absorbing members which contact the inner and outer sleeves and are disposed symmetrically with respect to the plane in which the inner and outer sleeves are separable into their respective sections. A generally cylindrical, secondary impact absorbing member is interposed between the two primary impact absorbing members and encircles the inner sleeve. The secondary impact absorbing member is smaller in wall thickness than the primary impact absorbing members and contacts one of the inner and outer sleeves, while it is radially spaced from the other. The secondary impact absorbing member includes a layer of material which is less elastic than the material from which the primary impact absorbing members are formed, and therefore, is generally greater in hardness than the primary impact absorbing members.

REFERENCES:
patent: 3130991 (1964-04-01), Piragino
patent: 3411803 (1968-11-01), Melton et al.
patent: 3481622 (1969-12-01), VAN Winsen et al.
patent: 3971550 (1976-07-01), Matsuoka et al.

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