Apparatus for lifting one side of a sofa for vacuuming therebene

Arrangement in a hoisting device, especially for a derrick

Column for lifting loads

Device for pushing and pulling an accessory instrument of manufa

Elongatable telescoping support

High lift jack

Jack mechanism

Lifter

Lifting apparatus

Locking device for rectilinear or circular displacement mechanic

Low profile jack construction

Mechanical jack transmission

Mechanical jacking device

Method intended to facilitate disengagement of mechanisms applyi

Mode of construction of lifting mechanisms for a jack-up platfor

Powered vehicle jack

Quick release jack

Rack-type kinematic mechanism, in particular for vehicle lifts

Tower

Worm-rack type transmission device