Importance

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Abstract

A mobile base for allowing machinery having an effective footprint within a predetermined range of effective footprints to be moved along and/or fixed relative to a floor surface. The base comprises a frame assembly having a width dimension and a depth dimension, first, second, third, and fourth wheels attached to the frame assembly such that the frame assembly may be moved, and a locking system. The locking system comprises a lock housing, a lock member, a drive member, and a magnetic portion. The lock housing defines a lock chamber. The lock member is slideably mounted within the lock chamber and moves between an unlocked position and a locked position in which the lock member frictionally engages the floor surface. Axial rotation of the drive member causes the drive member to move towards or away from the floor surface. The drive member is located above the lock member and is capable of rotating with respect to the lock member. The magnetic portion is arranged such that upward movement of the drive member causes upward movement of the lock member without inhibiting the ability of the drive member to rotate relative to the lock member.

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First Claim