Patent ID: 8789654
Filing Date: 2014-07-29
Classification: B66F,E04G

Abstract:
1. A mast lift comprising: a base; a telescoping mast coupled with the base and extending upward from the base, the telescoping mast including a support section fixed to the base and a movable section movably connected to and displaceable relative to the support section between a retracted position and an extended position; a platform secured to the movable section; a first driving plate secured to the support section; a second driving plate secured to the movable section; a threaded driving rod connected between the first driving plate and the second driving plate, wherein the threaded driving rod is fixed to one of the first and second driving plates and movably threaded in an opening in the other of the first and second driving plates; a gas strut acting between the support section and the movable section and biasing the movable section toward the extended position; and a power pack coupled with the threaded driving rod, the power pack including a rotatable socket assembly fixed at one end to the threaded driving rod, wherein an opposite end of the rotatable socket assembly is engageable with a rotary drive source and positioned for access from the platform; and wherein a top view outside perimeter of the support section is substantially T-shaped including a head section and a leg section, and wherein the threaded driving rod and the gas strut are disposed in the leg section of the T-shape.