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US 8,052,120 B2Granted
Multipurpose modular lift platform
AssigneeHerkules Equipment Corporation
InventorTodd J Bacon
Life of this patent
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Abstract
A vertical lift mechanism (100, 100a, 100b) including: a lift support assembly (102) comprising an upper frame member (104), a lower frame member (106), the upper frame member is movable between a lowered position and a lifted position. The lift support assembly additionally includes a support mechanism (150) that holds and maintains the alignment between the upper frame member and a lower frame member as well as a powering unit to cause movement of the upper frame.
Claims10
A vertical lift comprising:
- upper frame member, a lower frame member, and a lift mechanism configured to change vertical spacing between the upper and lower frame members from a first position to a second position, the upper or lower frame member or parts thereof being reconfigurable or configured to accept a modular unit;
- and
- at least one modular unit configured to operate in conjunction with the lower frame or the upper frame for changing functionality of one or both of the lower frame member or the upper frame member;
- wherein one of the modular units is a lower frame modular unit configured to attach to the lower frame to vary the functionality of the lower frame from resting immovably upon a support surface to:
- a) horizontally translatable relative to the support surface on wheels supported from first location to a second location or b) temporally lifted off the support floor onto a wheeled support and translatable from the first location to the second location and lowered back onto the support surface at the second location;
- wherein the lower frame includes a first and second frame bar spaced apart, each bar including a first and a second end, the lower frame including removable first and second cross-bars attached to the first and second frame bar, wherein the modular unit includes a removable third crossbar to replace the first cross-bar mountable and a fourth cross-bar to replace the second cross-bar;
- wherein a pair of wheels extends from the third crossbar and wherein a dolly lift mechanism is operably connects with the fourth cross-bar and the dolly lift mechanism is configured to lift the lower frame at the pair of walls.
4 more elements
Dependencies are inferred from the claim text.