Matches 1 - 29 out of 29


Match Document Document Title
8258389 Keyboard device  
In a keyboard device, a frame function part is provided integrally in a frame to engage with a component of the keyboard device excluding the frame. Integrated continuous parts are formed at the...
7544876 Keyboard apparatus of electronic keyboard instrument  
A keyboard apparatus of an electronic keyboard instrument, which is compact in size and broad in a permissible movable range at the time of receiving a force exerting in a width direction of keys....
7476795 Keyboard device for electronic musical keyboard instrument  
A keyboard device is designed for use in an electronic musical keyboard instrument, and composed of a key frame and at least one key array unit mounted in the key frame. The key array unit has a...
6930234 Adjustable keyboard apparatus and method  
A keyboard apparatus for musical instruments such as pianos, organs, clavichords, and harpsichords, and methods for making and using the apparatus. The apparatus includes a frame assembly, a...
6369309 Keyboard assembly  
A key support member of a keyboard assembly pivotally supports a plurality of keys each including a body, a hinge portion, and a rear end portion. A movably-mounting device is used to mount the...
5959228 Key support device  
There is disclosed a key support device for a keyboard musical instrument including a plurality of keys and a keyboard chassis. The key support device has a support member for rotatably supporting...
5932825 Keyboard apparatus with white keys and black keys having substantially the same action members  
A keyboard apparatus has a support member and a plurality of white keys and black keys. Each of the white keys and the black keys has a fulcrum section and a driving section, and are pivotally...
5654515 Piano key leveling  
A piano includes a balance rail defining a balance surface, and a piano key assembly including an elongated body defining a playing surface. The piano key assembly is supported by the balance...
5610352 Mechanism for rotatably supporting rotary member of keyboard  
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...
5542332 Keyboard apparatus for electronic musical instrument  
A keyboard apparatus for an electronic musical instrument has a metallic keyboard chassis and a balance rail provided on the keyboard chassis. A plurality of pins are provided on the balance rail....
RE35161 Keyboard device of electronic musical instrument  
A keyboard device of an electronic musical instrument has a keyboard frame, a plurality of keys which are aligned on the keyboard frame and which are vertically pivotable, a plurality of return...
5249497 Keyborad apparatus for electronic musical instrument  
A keyboard apparatus for an electronic musical instrument has a jack which is movable and rotatable by a force to be transmitted from a key, and a hammer which is rotatable by a force to be...
5035168 Balance pin assembly for a piano key  
A balance pin assembly for mounting a piano key includes a balance pin, a mounting insert, and a self-locking pin. The balance pin has a lower externally threaded base, an intermediate annular...
4524669 Key-driving/detecting mechanism for keyboard instrument  
A key-driving/detecting mechanism for performing automatically a keyboard instrument is constituted by a plurality of keys arranged on a key bed, each key being rotatable about a balance pin...
4488472 Keyboard musical instrument  
A keyboard musical instrument includes a plurality of keys mounted on a casing in juxtaposed relation. Each of the keys has a retaining portion engageable with a key stop portion on the casing to...
4434340 Switch operating mechanism  
A switch operating member for actuating a switch is pivotably accommodated in an opening of a base plate. A bearing member is secured to a rear surface of the base plate near the opening and...
4375179 Action for electronic piano  
A piano action is provided for an electronic piano. Tones are generated electronically, but the action retains the feel of a conventional piano action without the necessity of a hammer or...
4161129 Modified piano striking mechanism  
Disclosed is a modified striking mechanism for use in pianos and related instruments having strings or their equivalent to produce musical notes and keys to select the notes. The mechanism...
4044646 Supporting and pivot device made of plastic for keys of pianos, electronic organs and the like  
A supporting and pivot device for use in a keyboard of a musical instrument. The device is preferably made of plastic and is wedge-shaped having a pair of adjacent slots, one of said slots being...
3981221 Portable keyboard  
The assembly consists of a piano type musical keyboard which includes a plurality of elongated individual pivotally mounted key bars having a key or a representative thereof positioned on one end...
3935784 Double touch key for musical instruments  
A double touch key for use with musical instruments and the like wherein a key lever is selectively supported on a plurality of pivots and is automatically transferred from one pivot to another as...
3745874 MUSICAL KEYBOARD  
A musical keyboard which includes at least one single molded baseplate and a fulcrum extending upwardly from the baseplate near the mid-portion thereof. A predetermined number of single molded...
3663738 KEY SUPPORTING STRUCTURE OF KEYBOARD MUSICAL INSTRUMENTS  
To improve the key supporting structure of a keyboard musical instrument, there are formed on both sides of the rear bottom plane of a key two opposite grooves extending crosswise of the key with...
3654831 KEYBOARD  
A key and mounting assembly for use in a keyboard of a musical instrument and the like. The assembly includes a key lever and a mounting element for pivotally mounting the key lever in the...
3456545 PIN AND RAIL ASSEMBLY  
3422720 KEYBOARD ASSEMBLY  
3413885 Pivotal connection for keys of a musical instrument  
3173329 Piano key actions  
3165965 Brass roller action key pivot mounting  

Matches 1 - 29 out of 29