APPARATUS COMPRISING A MANUALLY EXCHANGEABLE ELEMENT

摘要

"Apparatus comprising a manually excahgeable element" In an apparatus comprising a comparatively heavy exchangeable element there is provided a clamping device for the element with a bayonet coupling and with grips which can be folded down only after the bayonet coupling has been brought into an engaged position. When the grips are folded down, a spring is activated so that a locked clamping coupling is obtained.