Sealed telescopic joint and method of assembly

Details Sealed telescopic joint and method of assembly Sealed telescopic joint and method of assembly

1986-08-22

1988-03-15

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 95, 277 11, 277215, 415115, 415116, 415139, 29428, 29526R, 291568R, B23P 1500, B21D 3900, F16J 1516

Patent

active

047308320

ABSTRACT:
A radially-resilient seal can frequently pop out its annular groove defined in a carrier when the carrier and an overlapping housing are telescopically assembled. Such misorientation of the seal prevents proper seating of the seal against the housing and ultimately permits leakage of pressurized fluid past the seal. The present invention provides a compact sealed joint and fool-proof method of assembly which maintains proper orientation of a radially-resilient seal during telescopic assembly of a carrier and a housing. The sealed joint includes an annular member having a diametrically tapered internal surface. The annular member positively ensures that the seal will properly seat against a housing inner surface which is not only physically inaccessible to the assembler but is also hidden from the assembler's view by an outer casing during the telescopic assembly.

REFERENCES:
patent: 3970319 (1976-07-01), Carroll et al.

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