Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1992-03-30
1993-11-16
Oberleitner, Robert J.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
188 7344, 74 182, 92128, B61F 1522, F16J 908
Patent
active
052616789
ABSTRACT:
A dust-proof boot comprising an internal engaging ring extended from one end of an expansible bellows portion and an external engaging ring provided upwardly thereof and capable of being spread is provided at an extended base of the internal engaging ring with an air flow port for guiding pressure from the inside of the bellows portion into the internal engaging ring. In mounting the dust-proof boot on a support provided with a guide hole, the internal engaging ring of the dust-proof boot is fitted into an internal groove of the support, after which compressed air is supplied from the interior of the bellows whereby the compressed air spreads the external engaging ring via the air flow port and the external engaging ring is fitted into an external groove.
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Aoyagi Shinji
Ikegami Hiroshi
Kinoshita Kazuhisa
Negishi Toshiyuki
Odaka Seiya
Akebono Brake Industry Co. Ltd.
Oberleitner Robert J.
Schwartz Chris
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