Mechanism for rotatably supporting rotary member of keyboard

Details Mechanism for rotatably supporting rotary member of keyboard Mechanism for rotatably supporting rotary member of keyboard

1994-11-28

1997-03-11

Spyrou, Cassandra C.

Music

Instruments

General features

84433, 84251, G10C 312

Patent

active

056103522

ABSTRACT:
A mechanism for rotatably supporting a rotary member of a keyboard of an electronic piano or the like is made up of a bearing member and a holding member. The bearing member has a bearing portion which is made up of two plates. Each of the plates has a semicircular recessed portion which dents downwards and a groove on one side of the recessed portion. On the other side of the recessed portion, there is formed a mounting portion to hold the bearing member in position. The holding member is made by a plate. One end of the holding member is inserted into the grooves and the other end thereof is fixed to a keyboard chassis.

REFERENCES:
patent: 4604937 (1986-08-01), Kumano et al.
patent: 4846041 (1989-07-01), Kumano et al.
patent: 5090290 (1992-02-01), Kumano et al.

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