Patent Number: 6,916,023

Title: Self-adjusting cartridge seal

Abstract: A seal includes a first seal retainer, a seal holder and a second seal retainer. A somewhat cup-shaped recess of the first seal retainer opens in a first direction of motion of a movable member against which the seal is to seal. The seal holder includes a first somewhat cuplike portion adjacent to the first seal retainer and a second somewhat cuplike portion more remote from the first seal retainer. The first somewhat cuplike portion opens in a second direction of motion opposite the first. The second somewhat cuplike portion opens in the first direction. The second seal retainer includes a first portion closer to the seal holder and a second portion more remote from the seal holder. The second somewhat cuplike portion of the seal holder receives the first portion of the second seal retainer.

Inventors: Alexander; Kevin L. (Brownsburg, IN), McPherson, Jr.; Jerry (Greenfield, IN), Rodgers; Michael C. (Montpelier, OH), Young, II; Roy Earl (Indianapolis, IN)

Assignee: Illinois Tool Works Inc.

International Classification: B05B 1/30 (20060101); B05B 5/025 (20060101); B05B 5/03 (20060101); F16J 015/18 (); B05B 005/00 ()

Expiration Date: 7/12/02017