Sealing apparatus

Details Sealing apparatus Sealing apparatus

2005-10-11

2005-10-11

Peavey, Enoch (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Circumferential contact seal for other than piston

C277S549000, C277S560000, C277S565000

Reexamination Certificate

active

06953193

ABSTRACT:
To reduce a sliding resistance to the rotation member, and whereby to reduce a torque, a thickness of an inner diameter side lip is formed to be larger than a thickness of an outer diameter side lip, and the outer diameter side lip is formed thinner than the inner diameter side lip in thickness. A depression for inhibiting both the lips from pulling at each other is provided between the inner diameter side lip and the grease lip. A bent portion for reducing a close contact load applied to a rotation member is provided in an intermediate portion in a longitudinal direction of the inner diameter side lip.

REFERENCES:
patent: 5887875 (1999-03-01), Salciccioli et al.
patent: 5947611 (1999-09-01), Nagase
patent: 5975534 (1999-11-01), Tajima et al.
patent: 6059663 (2000-05-01), Jones et al.
patent: 6206380 (2001-03-01), Miyazaki
patent: 6688605 (2004-02-01), Yano et al.
patent: 09-287619 (1997-11-01), None

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