Hammer device for keyboard instrument

A hammer device for a keyboard instrument, which includes a plurality of hammers each provided in association with an associated one of a plurality of keys, and is pivotally supported on a chassis in a state arranged side by side in a left-right direction, and in which each of the hammers is pivotally moved in a manner interlocked with depression of the associated key to thereby impart touch weight to the key,

• wherein the chassis is formed as a molded article which is made of a synthetic resin, and has a plurality of partition parts each provided between each pair of hammers adjacent to each other in the left-right direction, and
• wherein each of the hammers comprises:
• a hammer body formed as a molded article which is made of a synthetic resin and extends in a front-rear direction, and is pivotally supported on the chassis via a support formed at a predetermined location of a front half thereof;
• and
• a weight extending in the front-rear direction, said weight being attached to a rear half of said hammer body, and
• wherein on left and right side surfaces of said hammer body, there are formed, between the support and said weight, left and right opposed protrusions which protrude outward of the weight and are each opposed to an associated one of the partition parts via a predetermined clearance.