Mechanical shaft joint boot

Details Mechanical shaft joint boot Mechanical shaft joint boot

1986-04-11

1987-10-27

Shoap, Allan M.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

74 181, 403 51, 464175, F16D 384, F16J 1552

Patent

active

047024836

ABSTRACT:
A mechanical shaft joint boot of a polymeric elastomer is provided with bellows between a large-diameter ring and a small-diameter ring, a first crest of the bellows being formed between the large-diameter ring the small-diameter ring after the first trough and a second trough being formed so as to have a smaller apical diameter than that of the first trough, and a circumferential convex strip is formed on the sidewardly inclined surface of the first crest on the inner side of the first trough and/or on the respectively opposed inside surface of the second trough. Therefore, the second trough is pushed toward the side of the small-diameter ring and is not held between the first trough and the driving shaft on the compressed side during a crossing movement, which reduces the compression distortion and increases the durability of the boot.

REFERENCES:
patent: 3063266 (1962-11-01), Rabson
patent: 3511061 (1970-05-01), Burckhardt
patent: 3623340 (1971-11-01), Maas
patent: 3830083 (1974-08-01), Hadick et al.
patent: 4210002 (1980-07-01), Dorf
patent: 4235427 (1980-11-01), Bialobrzeski

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