Bearing bush for center pins on a piano action

Details Bearing bush for center pins on a piano action Bearing bush for center pins on a piano action

1985-09-17

1987-06-16

Howard, Jacqueline V.

Compositions

Electrolytes for electrical devices

252 122, 252 124, 252 126, F16C 3312

Patent

active

046735151

ABSTRACT:
In formation of a fibrous bearing bush for holding center pins on a piano action, synthetic resin of low saturated moisture content or is contained for stabler holding of the center pins under different environmental conditions and presence of lubricative resin on the center pin contact side assures small rolling contact with the center pin.

REFERENCES:
patent: 3037893 (1962-06-01), White
patent: 3523080 (1970-08-01), Rene 252 12.4

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