Shaft seal with removable face
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
May 22, 2008
app pub date -
Nov 20, 2006
filing date -
Nov 20, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Disclosed herein is a hydraulic hand tool including a frame, a hydraulic drive having a housing and a shaft, and a seal assembly. The hydraulic drive is connected to the frame. The seal assembly is located between the shaft and the housing. The seal assembly includes a first seal member, a second seal member, a carrier ring, and a retaining ring. The first seal member is in contact with the housing. The second seal member is in contact with the shaft. The carrier ring has a groove, containing the first seal member, and a recess, containing the second seal member. The carrier ring includes a polymer material configured to elastically deform in response to a hydraulic load from hydraulic fluid at the hydraulic drive. The retaining ring has an outer annular mating surface in contact with the carrier ring and an annular projection in contact with the second seal member.
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