Lip seal assembly

Details Lip seal assembly Lip seal assembly

1974-09-18

1976-03-23

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1532

Patent

active

039456501

ABSTRACT:
A lip seal assembly establishing a sealed relationship between two spaced relatively movable members wherein one of the members has a pair of adjacent annular recesses of different effective diameters. An annular lip seal element of resilient material is disposed in one of the annular recesses, the element having an annular lip portion extending across the space between members into engagement with the other member and establishing a seal therewith due to deformation of the lip portion. An O-ring of resilient material is disposed in the other annular recess, the O-ring exerting bias pressure on the lip seal element to hold the element in sealed relation with the associated member and to maintain the annular lip portion in sealing engagement with the other member.

REFERENCES:
patent: 3771801 (1973-11-01), Burke
patent: 3774920 (1973-11-01), Sieuenpiper
patent: 3806134 (1971-06-01), Scheinayder
patent: 3817517 (1974-06-01), Lundquist

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