Devices specially adapted for limiting trolley or crane travel; Arrangements of buffer-stops (buffer-stops of interest apart from this application B61K7/18; limit-switch arrangements, limit circuits B66D1/56)

Full Title

Runways, tracks or trackways for trolleys or cranes > Devices specially adapted for limiting trolley or crane travel; Arrangements of buffer-stops (buffer-stops of interest apart from this application B61K7/18; limit-switch arrangements, limit circuits B66D1/56)