Continuous force spring elevatable work platform
AssigneeQuest Eng LLC
InventorsTerry Mitchell, Richard D. Arnold, Mathew R. Ruster, Greggory J. Elhart
Life of this patent
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Abstract
A work platform height adjustment apparatus having a frame and a support assembly moveably mounted on the frame. The frame is provided with cover panels which are mounted to the frame and the support assembly carries a spring biased work platform on brackets mounted to the support assembly so that the work platform can assume a number of fixed height positions.
Claims20
A work platform height adjustment apparatus comprising a frame, a support assembly moveably mounted on said frame, spring means mounted to said moveable support assembly and connected to said frame, a plurality of support plates secured to said support assembly, brackets secured to said support plates, and a work platform mounted to said brackets.
A work platform height adjustment apparatus comprising a frame, a plurality of slide rods mounted to said frame, a support assembly comprising at least one cross member moveably mounted on said slide rods, spring means mounted to said support assembly and connected to said frame, a plurality of support plates secured to said support assembly, at least one bracket secured to said support plates, a work platform mounted to said at least one bracket, and at least one panel mounted to said frame.
A work platform height adjustment apparatus comprising a frame, a plurality of slide rods mounted to said frame, a support assembly moveably mounted on said slide rods, spring means mounted to said support assembly and connected to said frame, said spring means comprising a plurality of continuous force spring assemblies, a plurality of support plates secured to said support assembly and carried by said support assembly, a plurality of brackets secured to said support plates extending outward from said frame, a work platform mounted to said brackets, said work platform being provided with a planar surface and at least one cover panel mounted to said frame to form an enclosed frame housing.
Dependencies are inferred from the claim text.