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https://drivepatents.com/patents/1011046 · 13 Jul 2011
Disclosed is an actuating mechanism for mobile living quarters having a main living area and a retractable room movable relative to the main living area between a retracted position retracted within the main living area and an extended position extended fr...
https://drivepatents.com/patents/1011040 · 13 Jul 2011
A leveling jack (10) for a vehicle, such as a recreational vehicle, includes a leveling piston (22) and cylinder (14), a bi-directional, reversible pump (16), and a reservoir (54) within a common sealed housing (12) that does not require exterior fluid con...