DE3034330D2 - Spring for compensating the torsion phenomenon of the key and string musical instrument casing - Google Patents

Spring for compensating the torsion phenomenon of the key and string musical instrument casing

Info

Publication number
DE3034330D2
DE3034330D2 DE80CH8000023T DE3034330T DE3034330D2 DE 3034330 D2 DE3034330 D2 DE 3034330D2 DE 80CH8000023 T DE80CH8000023 T DE 80CH8000023T DE 3034330 T DE3034330 T DE 3034330T DE 3034330 D2 DE3034330 D2 DE 3034330D2
Authority
DE
Germany
Prior art keywords
compensating
key
spring
musical instrument
instrument casing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE80CH8000023T
Other languages
German (de)
Inventor
P Bertschinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE3034330D2 publication Critical patent/DE3034330D2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C1/00—General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards
    • G10C1/06—General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards of harpsichords spinets or similar stringed musical instruments
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10C—PIANOS, HARPSICHORDS, SPINETS OR SIMILAR STRINGED MUSICAL INSTRUMENTS WITH ONE OR MORE KEYBOARDS
    • G10C3/00—Details or accessories
    • G10C3/02—Cases

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Springs (AREA)
DE80CH8000023T 1979-02-19 1980-02-15 Spring for compensating the torsion phenomenon of the key and string musical instrument casing Expired DE3034330D2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH159579 1979-02-19

Publications (1)

Publication Number Publication Date
DE3034330D2 true DE3034330D2 (en) 1981-04-23

Family

ID=4214089

Family Applications (1)

Application Number Title Priority Date Filing Date
DE80CH8000023T Expired DE3034330D2 (en) 1979-02-19 1980-02-15 Spring for compensating the torsion phenomenon of the key and string musical instrument casing

Country Status (2)

Country Link
DE (1) DE3034330D2 (en)
WO (1) WO1980001729A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103851328B (en) * 2014-03-25 2016-01-06 烟台胜闻斯国际贸易有限公司 Extruding type aluminium sheet and preparation method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE93973C (en) *
US3426637A (en) * 1966-10-10 1969-02-11 Lyle M Hartman Piano harps

Also Published As

Publication number Publication date
WO1980001729A1 (en) 1980-08-21

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee