816,350. Pianofortes. PLEYEL, and BALLET, L. R. Jan. 9, 1957 [Jan. 11, 1956], No. 880/57. Class 88 (2). An action rail 8 is made of metal and shaped as shown. The wippen 3, jack 40, hammer butt 13, damper block 32 and flanges 5, 9, 10 are moulded from plastic material, the jack flange 41 being moulded integrally with the wippen 3. The back stop 17 is moulded integrally with the hammer butt 13 and has a corrugated surface 18. The jack 40 is padded at its end 44.
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