APPARATUS & METHODS FOR AN IMPROVED VEHICLE JACK HAVING A SCREW JACK ASSEMBLY
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United States of America Patent
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Issued Date -
Jun 13, 2013
app pub date -
Feb 4, 2013
filing date -
May 5, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A support frame for elevating an object includes an object engaging portion connected to a guide assembly. The guide moves along a support assembly by actuation of an elevation assembly. The support assembly may be releasably connected to a base by a removable pin allowing the device to fold for storage. The guide includes a safety mechanism whereby a pin connected to the guide slidably engages apertures in the support assembly. The elevation assembly may include a threaded member connected to the guide, and an elongated support member threadably engaging the threaded member. Rotation of the elongated support member moves the guide along the support and elevates the object engaging portion. The elevation assembly may include a pulling force member connected to the guide assembly.
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