Multiple stage radial fan - has housing with tube having mounting feet attached, between two end shells with spindle bearings
DE2900187A1
Winding and unwinding device for crane feed cables - has motor driven drum with compartments for paid-out and return cables and has pneumatic or hydraulic lines
DE2833129A1
Slip-ring unit for electric machines - uses slip-rings which are insulated by spacing rings and held together on inner support by central bolt
DE2803936A1
Suspension railway junction points setting mechanism - has angle fixable turning unit moving on axis parallel to rails
US4113074A
Method of and apparatus for regulating the brush contact pressure of pantograph assemblies
DE2600564A1
Mobile crane actuating equipment - has storage drum for supply line positioned at crane and driven by infinitely variable drive
DE2424987A1
Conductor rails for AC rail traction - with each rail enclosed in insulation and held together into single assembly
DE2337425A1
Cable supply system from fixed point for mobile crane - includes storage drum powered by differential drive and using auxiliary drive to control angular speed
ES412343A1
Improvements in the facilities for connection and supply of energy to displacable consumers, such as mobile cranes, dragons and similar. (Machine-translation by Google Translate, not legally binding)
US3761648A
Single arm current collector device for electrically driven vehicles
