Jacket-assembly and method for protecting hydraulic elevator jacks
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United States of America Patent
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-
Aug 6, 2002
Grant Date -
N/A
app pub date -
Jun 30, 2000
filing date -
Jun 30, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A jacket-assembly is sealed to a hydraulic elevator jack to protect the jack from corrosion. The jacket-assembly is preferably manufactured from a non-galvanic, non-corrosive material, such as high density polyethylene tubing. The jacket may be manufactured from any non-galvanic, non-corrosive material that is strong enough and flexible enough to be factory-installed on the jack. The jacket is preferably hermetically sealed to the jack. The jacket-assembly may contain a bulkhead mounted on the hydraulic elevator jack having an O-ring groove. An O-ring can be used to effect a hermetic seal between the bulkhead and the jacket. The bulkhead may be mounted on the jack with any conventional means, such as a weld. In one embodiment, a moisture sensor may be placed inside the jacket.
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