Back to results
US 6,720,492 B2Granted
Portable keyboard
OwnerDavid Steinbuhlerinventor
Life of this patent
Estimating the term…
Abstract
An arrangement for facilitating the installation of an action in a piano body. The arrangement includes at least one adjusting medium being adapted to facilitate the positioning of the action with respect to a piano body, wherein the at least one adjusting medium is associated solely with the action.
Claims32
An arrangement for facilitating the installation of an action in a piano body, the action comprising an action stack, a keyboard and a keyboard frame, said arrangement comprising:
- at least one adjusting medium being adapted to facilitate the positioning of the action with respect to a piano body, said at least one adjusting medium being associated solely with the action;
- said at least one adjusting medium comprising at least one of:
- means for establishing a lateral position of the keyboard frame;
- means for adjusting the height of the keyboard frame;
- means for altering the configuration of a slot for accommodating a pedal component;
- means for altering the position of relative contact between the keyboard frame and at least one dag block;
- means for adjusting the strike position of a piano key with respect to a damper lever;
- and means for establishing a stop associated with pedal-actuated shifting of the keyboard frame.
5 more elements
A piano action comprising:
- an action stack;
- a keyboard;
- a keyboard frame;
- and
- an arrangement for facilitating the installation of said action in a piano body, said arrangement comprising at least one adjusting medium being adapted to facilitate the positioning of the action with respect to a piano body, said at least one adjusting medium being associated solely with said action;
- said at least one adjusting medium comprising at least one of:
- means for establishing a lateral position of said keyboard frame;
- means for adjusting the height of said keyboard frame;
- means for altering the configuration of a slot for accommodating a pedal component;
- means for altering the position of relative contact between said keyboard frame and at least one dag block;
- means for adjusting the strike position of a piano key with respect to a damper lever;
- and means for establishing a stop associated with pedal-actuated shifting of said keyboard frame.
9 more elements
Dependencies are inferred from the claim text.