| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cheek block fitting of a piano, facilitating the adjustment work for pressing force of a guide pin by a pin presser without damaging cheek blocks and a keyboard. <P>SOLUTION: A key frame 3 is provided to freely slide right and left between right and left cheek blocks 5, 5 on a shelf plate 2. The cheek block fitting 50 guides sliding of the key frame 3 in the state of abutting on guide pins 18, from above, projected from the right and left side surfaces of the key frame 3. The cheek block fitting 1 includes: a fitting body 51 housed in a recessed part 53 formed on the inside surface of the cheek block 5 and suitable for an inner wall surface 53a thereof to move vertically; a pin presser 32 provided on the lower end part of the fitting body 51 and abutting on the guide pins 18 from above; and vertical position adjusting mechanisms 57, 62 having an operating part 57c facing the outside from the outer surface of the cheek block 5 and engaged with the fitting body 51 to adjust the vertical position of the pin presser 32 by vertically moving the fitting body 51 interlocking with the operation of the operating part 57c. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
