Universal joint dust boot assembly

Details Universal joint dust boot assembly Universal joint dust boot assembly

1980-08-19

1982-11-23

Smith, Robert I.

Rotary shafts, gudgeons, housings, and flexible couplings for ro

Housing

Flexible housing

277212FB, 464111, F16D 384

Patent

active

043602096

ABSTRACT:
A dust boot for a universal joint covering two joint elements having largely curved corner portions in the outer peripheral surface thereof near their joint portion, comprises a resilient annular covering portion for covering the joint portion of the universal joint and two annular end portions which are integrally formed with the covering portion in axially both ends thereof. The annular end portions are mounted on the two joint elements near their joint portion. Since the area of an open end of the dust boot mounted on the joint element having largely curved corner portions is made smaller than the cross sectional area of the outer peripheral surface of the joint element, specifically only the curvature of the open end of the dust boot corresponding to the largely curved corner portions of the joint element is made smaller than that of the corner portions of the joint element, the dust boot can be closely mounted on the joint element with excellent sealing effect.

REFERENCES:
patent: 3817057 (1974-06-01), Orain
patent: 4132422 (1979-01-01), Sankey et al.

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