Hammer device for keyboard instrument

摘要

A hammer device for a keyboard instrument, enabling improvement of efficiency and yield, in manufacturing weights to be attached to each hammer body while suppressing an increase in manufacturing cost. Each hammer includes a hammer body having a weight mounting portion, a common weight attached to one of left and right side surfaces of the weight mounting portion, and an adjustment weight having a length set according to a touch weight required by the associated key and attached to the other of the left and right side surfaces of the weight mounting portion. A chassis has a plurality of partition parts, and on the left and right surfaces of the hammer body, there are formed left and right opposed protrusions, respectively, each of which protrudes outward of the weight and is opposed to a partition part associated therewith via a predetermined clearance.

主权项

1. 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 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 each of the hammers comprises: a hammer body extending in a front-rear direction, said hammer body having a front half thereof pivotally supported and a rear half thereof formed with a weight mounting portion; a first weight extending in the front-rear direction, said first weight being formed common in shape and size to all the hammers, and attached to one of left and right side surfaces of the weight mounting portion; and a second weight extending in the front-rear direction, said second weight being formed to have a length in the front-rear direction which is shorter than a length in the front-rear direction of said first weight and is set according to a touch weight required by the associated key, and attached to the other of the left and right side surfaces of the weight mounting portion.