AUTOMATIC CENTRAL BUFFER COUPLING FOR RAIL VEHICLES

1,202,087. Train pipe couplings. GERMANY, MINSTRY OF TRANSPORT. 11 Oct., 1967, No. 46475/67. Heading B7T. A train pipe service coupling comprises a guide frame 21 supporting a train pipe 20 by means of a fastening 23 and a contact housing 19 which may be slid along the pipe 20 by means of a forked lever (not shown) moving a pin 18 connected to the housing, the housing automatically taking with it in its sliding movement a mouthpiece 25 and sleeve 26 within the pipe. The sleeve 26 mounts diametrically opposed pins 35, Fig. 3 (not shown), which releasably connect to the housing 19 in bayonet joint fashion by engaging grooves 36, 37 in the housing, and the sleeve and housing are together similarly bayonet joint connected to the tube 20 by a spring 30 extending from the tube and engaging first in a circumferential groove 38 in the sleeve 26 and then sliding in a groove 29 connecting with 38. (For Figures see next page.)