Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
F21V21/14—Adjustable mountings
F21V21/22—Adjustable mountings telescopic
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
Non-Portable Lighting Devices Or Systems Thereof
(AREA)
Unter dem Druck des Stromabnehmers sich selbsttaetig verstellender, mit einer einseitig wirkenden Sperrvorrichtung versehener Isolatorhalter fuer Grubenbahnen