Bellows spring damper
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United States of America Patent
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Sep 4, 2018
Grant Date -
Oct 5, 2017
app pub date -
Mar 30, 2016
filing date -
Mar 30, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A damper for a storage compartment closure includes a bellows chamber and damper air passage structures each configured to provide an air volume intake during a bellows chamber extension that is less than an air volume expulsion during a bellows chamber compression. One damper air venting structure is a valve having a translatable lid including an aperture defined therethrough. A bellows chamber air pressure differential maintains the translatable lid in a closed configuration during the bellows chamber extension and in an open configuration during the bellows chamber compression. Another damper air venting structure is at least one bellows chamber vent including a cover configured whereby a bellows chamber extension incrementally transitions the cover to a closed configuration.
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