Protective bellows for universal joints allowing rapid installat

Details Protective bellows for universal joints allowing rapid installat Protective bellows for universal joints allowing rapid installat

1992-01-07

1993-06-29

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277221, 74 18, 403 50, 464175, F16J 1554

Patent

active

052227464

ABSTRACT:
Rapid-assembly sealing bellows for protecting jointed couplings such as transmissions, guiding and steering joints, in particular so-called cardan or universal joints of motor vehicles, said bellows being essentially a corrugated tubular body (with entry and exit sleeves) from a material of adequate flexibility, comprising at least one jointing closure formed by lateral interlocking of the near divided edges running in the longitudinal direction from entry to exit of said tubular body, each of said edges forming respectively a U-shaped interlock housing and an interlocking tongue for being received in the housing, characterized in that the open end of the interlock housing comprises an upper covering leg which is inclined in the upward direction and a supporting sole forming a lower covering surface which greatly extends beyond the upper surface and which is inclined in the downward direction, and in that the interlocking tongue, which is closely received into the U-shaped housing by the matching interior surfaces thereof and presents the same surface inclinations as the housing but in opposite sense, comprises depth abutments which lean respectively against the open end face of the upper leg and against the end face of the lower supporting sole, and in that the opposite outer faces of the interlock housing and the entering tongue, when assembled, are inclined in the opposite direction so as to form facing breaker surfaces which act as jet breakers of projected rain water in both rotational directions.

REFERENCES:
patent: 2226388 (1940-12-01), Richter
patent: 3638503 (1972-02-01), Stipanovic et al.
patent: 4558869 (1985-12-01), Grove et al.
patent: 4560178 (1985-12-01), Hempel
patent: 4786272 (1988-11-01), Baker
patent: 4813913 (1989-03-01), Better
patent: 4819919 (1989-04-01), Taylor
patent: 4895550 (1990-01-01), Baker
patent: 5027665 (1991-07-01), Hayward

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