Anh
rocker gear
tumbler gear
caster wheel
castor wheel
Đức
Schwenkrad
Laufrad
Pháp
satellite
roue pivotante
Schwenkrad /ENG-MECHANICAL/
[DE] Schwenkrad
[EN] rocker gear; tumbler gear
[FR] satellite
Laufrad,Schwenkrad /ENG-MECHANICAL/
[DE] Laufrad; Schwenkrad
[EN] caster wheel; castor wheel
[FR] roue pivotante