Boot having inwardly curved flanks

Details Boot having inwardly curved flanks Boot having inwardly curved flanks

1995-10-12

1997-02-04

Cummings, Scott

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

464175, F16D 384

Patent

active

055990290

ABSTRACT:
A universal joint boot having a high degree of ability to withstand radial expansion. The boot (10) includes a bellows structure (16) having alternating ridges (26) and valleys (28) interconnected by flank portions (30). The flank portions (30) are curved inwardly of the boot and have a varying wall thickness that increases from the ridges (26) toward the valley (28). The valley portion (28) is defined by a U-shaped annular groove (34) to reduce the wall thickness thereby to improve the flexibility.

REFERENCES:
patent: 4278262 (1981-07-01), Mizutani et al.
patent: 4327925 (1982-05-01), Alexander et al.
patent: 4730834 (1988-03-01), Ukai et al.
patent: 4735596 (1988-04-01), Ukai et al.
patent: 4786272 (1988-11-01), Baker
patent: 4923432 (1990-05-01), Porter
patent: 5027665 (1991-07-01), Hayward
patent: 5078652 (1992-01-01), Baker
patent: 5308091 (1994-05-01), Mihalcin

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