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Class Information
Number: 84/304
Name: Music > Instruments > Stringed > Details > Strings and fastenings > Tuning pegs
Description: Patents mostly for simple tuning-pegs, sometimes with means for gripping the string.










Sub-classes under this class:

Class Number Class Name Patents
84/305 Friction increasers 21


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8710339 Tuning peg for a stringed instrument Apr. 29, 2014
8618388 Bearing and shaft assemblies, including tuning keys and tuner assemblies for stringed instruments, methods of using bearing and shaft assemblies, and methods of making bearing and shaft assemb Dec. 31, 2013
8373051 System for adding a string to a stringed instrument Feb. 12, 2013
8367915 String compact adjustment apparatus Feb. 5, 2013
8344232 Multiple string tuning peg assembly Jan. 1, 2013
8247673 String tuning orbital with ergonomic features Aug. 21, 2012
8153872 String keeper device for stringed musical instruments Apr. 10, 2012
8110733 Tuning stabilizer for stringed instrument Feb. 7, 2012
7973225 Peg for stringed instrument Jul. 5, 2011
7935876 Method and apparatus for string load reduction and real-time pitch alteration on stringed instruments May. 3, 2011
7863508 String alignment peg Jan. 4, 2011
7842870 Method and device for attaching a musical instrument string to a musical instrument tuning peg Nov. 30, 2010
7825314 Tuning key cover support arm Nov. 2, 2010
7692085 Device for adjusting the tension of the strings of a stringed instrument Apr. 6, 2010
7659465 Method of attachment for string tension adjustment devices (tuners) for stringed instruments and string instruments formed thereby Feb. 9, 2010
7659466 Tuning device for stringed musical instrument Feb. 9, 2010
7569759 Tuning key cover for a stringed musical instrument Aug. 4, 2009
7550661 D-tuner for banjo Jun. 23, 2009
7521615 String tension adjustment structure Apr. 21, 2009
7488879 Peg for stringed instrument Feb. 10, 2009
7335830 Method and device for attaching a musical instrument string to a musical instrument tuning peg Feb. 26, 2008
7304226 Stringed instrument tuning device Dec. 4, 2007
7154032 String attachment system apparatus and method for a stringed musical instrument Dec. 26, 2006
7138572 Peg for stringed instruments Nov. 21, 2006
7102065 Tuning device Sep. 5, 2006
7084337 Ergonomic stringed instrument Aug. 1, 2006
7081573 String instrument with protective string cap assemblies Jul. 25, 2006
6989482 Stringed instrument string winder and method of manufacturing the chord winder Jan. 24, 2006
6972360 Stringed musical instrument Dec. 6, 2005
6815596 Thread spool device for stringed instrument Nov. 9, 2004
6706956 Peg mechanism and peg for stringed instruments Mar. 16, 2004
6703547 Tuning peg construction Mar. 9, 2004
6624347 String tightening device for a string instrument Sep. 23, 2003
6608248 Device for tuning a string of a musical instrument Aug. 19, 2003
6600096 Guard to protect tuning adjustments on a string musical instrument Jul. 29, 2003
6580022 Machine head for guitar Jun. 17, 2003
6444886 Musical instrument Sep. 3, 2002
6365809 Tuning post for stringed musical instrument Apr. 2, 2002
6353165 String instrument with protective string cap Mar. 5, 2002
6172287 Guitar string tuning device Jan. 9, 2001
6133515 Structure of a guitar bridge Oct. 17, 2000
6078001 Machine head for guitars Jun. 20, 2000
5998713 Tuning peg Dec. 7, 1999
5869780 Tuning pin apparatus having impediment function against the rewinding Feb. 9, 1999
5847295 Tuning device for string instruments Dec. 8, 1998
5760320 Stringed instrument Jun. 2, 1998
5747712 Peg for a stringed instrument May. 5, 1998
5705760 Tuning systems for stringed instruments Jan. 6, 1998
5696341 Guitar string tuning system Dec. 9, 1997
5627331 Guitar having improved accessibility for string attachment May. 6, 1997

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