Collins standard hydraulic bases are 4 1/2" diameter foot-treadle operated hydraulic lifts with a 7 3/4" vertical lift and a minimum 750 lbs lifting capacity. The 3 1/2" Slim-Star Bases and the 5 1/2" Heavy Duty Bases have the same capabilities. All three bases have a chrome-plated housing and baseplate with protective rubber ring around the outside diameter. All three bases are unconditionally warranted for five years.
Tubular steel footrests and arm supports are 16-gauge steel, copper-nickel-chrome plated. Molded urethane arms have internal structural steel support and fabricated arm brackets that are powder epoxy coated 1/4" steel. Five leg pedestal bases for shampoo chairs, stools, and the Slim-Star Hydraulic Bases are die-cast aluminum with a polished finish. Collins all-purpose chair reclining mechanisms are custom fabrications with an unconditional five-year warranty.
Contoured seats and backs are 3/4" 7 ply molded bent plywood. Straight seats and backs are 3/4" 5 ply plywood. Upholstered rests are solid spruce or pine, or fabricated/machined from same. Seat support assemblies & dryer cabinet assemblies are made from 1/2" plywood panels and 7/8" kiln dried poplar hardwood. Seat foams, typically 2" to 3" thick depending on the chair, are 48 pounds per square inch compression test rated. Back foams, 1"to
2 1/2" thick, depending on the chair, are 42 pounds per square inch compression test rated.
All chairs have a protective plastic lining between the vinyl & foam to prevent internal abrasion of the foam and extend chair life.
All Collins chairs are upholstered with expanded vinyls ... supplied by Naugahyde, Gencorp, Morbern, or Spradling ... that is manufactured for commerical applications like salons.
