초록 ▼

A scissors lift apparatus having a wheeled tube chassis and a platform connected together by one or more scissors arm assemblies, each scissors arm assembly including a center arm and two outside support arms pivotally connected at their longitudinal midpoint, adjacent scissors arm assemblies connec

A scissors lift apparatus having a wheeled tube chassis and a platform connected together by one or more scissors arm assemblies, each scissors arm assembly including a center arm and two outside support arms pivotally connected at their longitudinal midpoint, adjacent scissors arm assemblies connected in series at the ends of the center arms and at the ends of the outside support arms, a hydraulic cylinder pivotally connected to the chassis and pivotally connected to the pivot axis of the lowermost scissors arm assembly, the pivot connection between adjacent outside support arms comprising common castings, each casting having a pair of longitudinally extending, longitudinally offset ears, the ears of one casting engaged and pinned with the ears of a second axially rotated casting.

대표청구항 ▼

A scissors lift apparatus comprising: a support; a platform; a plurality of scissor arm assemblies connecting the support to the platform, each arm assembly comprising a center arm and two outside support arms pivotably connected at their longitudinal midpoints to define a pivot axis, adjacent assem

A scissors lift apparatus comprising: a support; a platform; a plurality of scissor arm assemblies connecting the support to the platform, each arm assembly comprising a center arm and two outside support arms pivotably connected at their longitudinal midpoints to define a pivot axis, adjacent assemblies pivotally connecting in series a center arm end to an adjacent center arm end and outside arm ends to adjacent outside arm ends; pin and roller means for connecting the lowermost scissor arm assembly to the support for connecting the uppermost scissor arm assembly to the platform; and a hydraulic cylinder pivotally mounted to the support and to the longitudinal midpoint of the center arm of the lowermost scissor arm assembly.