Lifting mechanism and spacer block arrangement for lifting jack
AssigneeShinn Fu Corporation
InventorChin-Hui Wang
Life of this patent
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Abstract
A lifting mechanism and spacer block arrangement is disclosed to include a magnetically attractive lifting mechanism installed in a lifting jack and driven to move a lifting rod vertically, and a plurality of magnetically attractive spacer blocks for attaching to the lifting mechanism at the bottom in a stack to space the lifting mechanism above the floor, each spacer block having a top side mounted with a magnet in a flush manner, and a bottom side fitting the top side for enabling the spacer blocks to be arranged in a stack and secured to the bottom side of the lifting mechanism.
Claims4
A lifting mechanism and spacer block arrangement comprising a lifting mechanism installed in a lifting jack and driven to move a lifting rod vertically, and a plurality of spacer blocks for attaching to a bottom side of said lifting mechanism to space said lifting mechanism above a supporting surface, wherein said lifting mechanism and said spacer blocks are respectively made of a magnetically attractive material;
- said spacer blocks each have a top side fitting the bottom side of said lifting mechanism, at least one magnet element fixedly mounted in the top side thereof in a flush manner, and a bottom side fitting the top side thereof for enabling said spacer blocks to be arranged in a stack and secured to the bottom side of said lifting mechanism.
Dependencies are inferred from the claim text.