Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7781652 | Universal grand piano piano action with simultaneous half stroke keyboard design capability A universal grand piano piano action that has adjustable connections between the repetition base, heel, and rest cushion bracket of the piano action to provide a piano action that can be adjusted to fit any grand piano. Other components of the grand piano piano acti... | 08/24/2010 |
| 7687694 | Low inertia grand piano piano action Composite or plastic molded articles used in a grand piano piano action. The articles make up a piano action with less dynamic mass which is, thus, more responsive to the piano player. In addition, the new action provides the extremely valuable collateral benefits o... | 03/30/2010 |
| 7687693 | Grand piano composite piano action Composite or plastic molded articles used in a grand piano action. A piano action actuates in response to depression on a piano key to swing a hammer into a piano string. The articles are assembled to form a piano action with significantly less dynamic mass which is... | 03/30/2010 |
| 7279627 | Action for piano An action for a piano is provided for clarifying a timing of let-off, improving the sequential touching capabilities, and consequently realizing high playing performance excellent in expressive power in a simple structure without adversely affecting the key touch fe... | 10/09/2007 |
| 7265283 | String-striking device for piano A string-striking device for a piano, where a static loading acting on a fore-end on the playing side of a key can be easily adjusted. A long weight lever (21) is provided on each key (3). The lever (21) is installed along the length direction o... | 09/04/2007 |
| 7129403 | Friction at the jack and knuckle interface in a grand piano eliminated A grand piano action the jack having a projection acting against the knuckle dependent from the hammer shank carrying the piano hammer by a counter weight carried by the jack eliminating the spoon and the regulating button and the jack spring pressing against the ja... | 10/31/2006 |
| 7057101 | Action An action in an acoustic piano is provided which can reproduce the touch and feel of the key depression generated in a normal performance mode even in a silent performance mode. The acoustic piano is capable of being switched between the normal performance mode and ... | 06/06/2006 |
| 6972359 | Grand piano action A piano action (10) includes a wippen (14) having a wippen body (24). The wippen body (24) is pivotally mountable on a first rail (20) of a piano. A repetition lever (38) is pivotally mounted on the wippen body (24). ... | 12/06/2005 |
| 6720489 | Piano muter A muter configured to be placed beneath the soundboard of a piano (in the case of a grand piano) in order to attenuate the downward transmission of sound. The muter employs blocks of acoustic foam, shaped to frictionally engage the structural elements of the piano i... | 04/13/2004 |
| 6639133 | Universal piano action striking vertical and horizontal strings from below and above A universal piano action having a minimum number of identical parts interchangeable in upright and grand pianos, under and above the tensioned strings and effecting rapid repetition in upright and grand pianos, this universal piano action responds to ever... | 10/28/2003 |
| 6232537 | Piano action with articulated jack A piano keyboard apparatus has an action assembly that includes a four bar linkage having four pivotably connected bars including a whippen pivotably connected to a repetition lever. An articulated jack has a lower link pivotably connected to an upper lin... | 05/15/2001 |
| 5602351 | Grand piano-like keyboard instrument for selectively producing acoustic sound and synthesized sound A piano-like keyboard instrument allowing a player to perform in either an acoustic sound mode and or an electronic sound producing mode. In the electronic sound producing mode, a stopper blocks sets of piano strings from hammers and an electronic sound p... | 02/11/1997 |
| 5239907 | Muting device of grand piano A muting device for a piano includes a capstan screw, a support rail, a support, a jack, a shank rail, a hammer shank, a hammer and at least one string with respect to each key. Each key is divided into a back portion and a front portion with respect to t... | 08/31/1993 |
| 5194685 | Keyboard musical instrument hammer movement detection apparatus A hammer movement detection device for detecting the movement of a hammer which strikes strings provided for each key of a keyboard musical instrument. The hammer movement detection device radiates light onto a hammer shank which moves with the hammer and... | 03/16/1993 |
| 5125309 | Adjustable friction grand piano action An adjustable friction grand piano hammer shank having bifurcated ends disposed on either side of a flange with a slot defined in each bifurcated end, a pivot pin receipt hole defined in each bifurcated end aligned with the slots, a strap having one end a... | 06/30/1992 |
| 4953433 | Action for grand piano The subject grand piano action, in common with all piano actions, comprises driving apparatus comprising the key and wippen levers, drive apparatus comprising the hammer assembly and apparatus interconnecting the two and providing for disengagement and re... | 09/04/1990 |
| 4860626 | Wippen heel mechanism for an upright piano An improved wippen heel arrangement for an upright piano includes: a pillar screwed into one end portion of a piano key so that the projecting length of the pillar which projects from the piano key is adjustable; a wippen heel attached to a wippen constit... | 08/29/1989 |
| 4856402 | Grand piano actions An improvement for grand piano actions reduces unwanted friction between the repetition lever and the hammer shank. The conventional grand piano knuckle is replaced by a lever disposed generally parallel to the repetition lever and pivotally secured there... | 08/15/1989 |
| 4774868 | Piano key action In a piano normally of a grand piano type, a key action mechanism includes a combination of a fly lever distal end acting on a hammer lever through an intermediate thrust balancing lever, the thrust balancing lever being pivoted at an intermediate portion... | 10/04/1988 |
| 4685371 | Grand piano action Within each action of a grand piano there are certain wood surfaces which rub against other surfaces. These interfaces create friction, which adversely affects the playability of the piano. In order to reduce and overcome this friction, strips of fluoroca... | 08/11/1987 |
| 4226158 | Damper assembly for keyboard musical instruments In the construction of a damper assembly for musical instruments, the conventionally used swingable damper lever for operationally relating a key to an associated damper wire is omitted and the swing movement of the key is either directly and indirectly c... | 10/07/1980 |
| 4203341 | Damper assembly of pianos In the construction of a damper assembly of pianos, the conventionally used long-sized damper wire is replaced by a pair of separate short-sized lever components operationally related to each other via an additional intermediate damper lever for stabilize... | 05/20/1980 |
| 4096779 | String anchor replacement for repetition lever and jack in a piano action Rectangularly-shaped wooden anchors are adhered by glue onto face surfaces of a wippen and a jack in a piano action. Each has a central annular opening through which a looped portion of a string extends for connection to a spring used to impose a spring f... | 06/27/1978 |
