Seal Structure
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United States of America Patent
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N/A
Issued Date -
Apr 19, 2012
app pub date -
Mar 18, 2010
filing date -
Apr 7, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A seal structure for sealing a penetrated portion through which a rotary shaft passes between a cover member and the rotary shaft. A seal member is fitted onto the rotary shaft in a manner that the rotary shaft can rotate relative to the seal member, and the elastic buffer member is provided for connection between the seal member and the cover member at the penetrated portion. The seal structure can keep sealing performance by reducing the influence of movements such as vibration and thermal expansion of the cover member and the influence of process tolerance of the cover member on the sealing performance of the seal member attached to the penetrated portion between the cover member and the rotary shaft penetrating the cover member.
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