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.)
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
B61L5/12—Visible signals
B61L5/14—Form signals, e.g. semaphore arms
B61L5/16—Local operating mechanisms for form signals
B61L5/167—Local operating mechanisms for form signals using electrically controlled fluid-pressure operated driving means
Vorrichtung zum Gleichhalten des Schwingungsausschlages von Schuettelpruefstaenden oder Maschinen mit aehnlich schwingenden Systemen mit elektrischem Antrieb
Einrichtung zur feinstufigen Fernregelung des Druckes in den Druckzylindern der von Hand oder durch selbsttaetige UEberwachungseinrichtungen ausloesbaren Bremsen fuer Foerdermaschinen