Patent ID: 8919735
Filing Date: 2014-12-30
Classification: B66F,Y10T

Abstract:
1. A scissor stack assembly, comprising: a plurality of inner and outer arms operably connected to each other so as to move the assembly between a collapsed position and a raised position; at least one wire form comprising a piece of wire having a loop at a first end which attaches to a cap and a hook at a second end, said wire form configured to aid in routing a hose; said outer arms being connected to the inner arms by a retaining pins extending inward from a central position of the outer arm along its length through an aperture in a central position of the inner arm along its length and retained with said cap positioned at an interior of each of the inner arms and covering a portion of the retaining pin extending through said inner arms; wherein the retaining pins are affixed to the outer arms such that the pins do not rotate relative to the outer arms; and wherein each retaining pin extends through one outer arm and one inner arm.