EP0259060A3 - Action for upright piano - Google Patents

Action for upright piano Download PDF

Info

Publication number
EP0259060A3
EP0259060A3 EP87307330A EP87307330A EP0259060A3 EP 0259060 A3 EP0259060 A3 EP 0259060A3 EP 87307330 A EP87307330 A EP 87307330A EP 87307330 A EP87307330 A EP 87307330A EP 0259060 A3 EP0259060 A3 EP 0259060A3
Authority
EP
European Patent Office
Prior art keywords
action
catcher
hammer
grand
back check
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.)
Withdrawn
Application number
EP87307330A
Other languages
German (de)
French (fr)
Other versions
EP0259060A2 (en
Inventor
Paul Gerhard Wall
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
Publication of EP0259060A2 publication Critical patent/EP0259060A2/en
Publication of EP0259060A3 publication Critical patent/EP0259060A3/en
Withdrawn legal-status Critical Current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
    • G10C1/02—General design of pianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards of upright pianos
    • 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
    • G10C3/16—Actions
    • G10C3/161—Actions specially adapted for upright pianos
    • 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
    • G10C3/16—Actions
    • G10C3/166—Actions for damping the strings
    • 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
    • G10C3/16—Actions
    • G10C3/18—Hammers
    • 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
    • G10C3/16—Actions
    • G10C3/24—Repetition [tremolo] mechanisms
    • 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
    • G10C3/26—Pedals or pedal mechanisms; Manually operated sound modification means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

An action for an upright piano which emulates or simulates the action of a grand piano is provided. In the action, a back check lever (3) is positioned above the back of the key, and a grand piano whippen is positioned above the back check lever (3). The grand whippen acts on a knuckle (20) provided on a catcher arm (23) integrally connected with the hammer shank (24) at a substantial angle. Depression of the key produces upward movement of the back (1) of the key, the back check lever (3), and the grand whippen, in turn producing rotation of the catcher arm (23) which drives the hammer (27) towards the string (30). The catcher arm (23) has a catcher (45) at its forward end and the back check lever (3) has a back check (46) for catching the catcher after the hammer has rebounded from the string. A damping action is mounted independently from the hammer action.
EP87307330A 1986-09-04 1987-08-19 Action for upright piano Withdrawn EP0259060A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA000517503A CA1224950A (en) 1986-09-04 1986-09-04 Action for upright piano
CA517503 1986-09-04

Publications (2)

Publication Number Publication Date
EP0259060A2 EP0259060A2 (en) 1988-03-09
EP0259060A3 true EP0259060A3 (en) 1989-07-12

Family

ID=4133861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87307330A Withdrawn EP0259060A3 (en) 1986-09-04 1987-08-19 Action for upright piano

Country Status (4)

Country Link
EP (1) EP0259060A3 (en)
JP (1) JPS6388599A (en)
KR (1) KR880004419A (en)
CA (1) CA1224950A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2592622B1 (en) 2010-07-08 2016-03-16 Yugen Kaisha Fujii Piano Service Action for upright piano

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE107352C (en) *
DE69194C (en) * F. C. mersman, 1600 Mississippi Avenue, und L. CH. merkel, 1303 South 31 th Street, beide in St. Louis, V. St. A Repetition mechanism for pianinos with inner catcher
DE529922C (en) * 1931-07-18 Julius Carl Hofmann Repeater mechanism for pianos
GB439144A (en) * 1935-02-18 1935-11-29 Triumph Auto Pianos 1930 Ltd Improvements in or relating to upright piano actions
US2277077A (en) * 1940-03-09 1942-03-24 Thayer Action Company Piano action

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE107352C (en) *
DE69194C (en) * F. C. mersman, 1600 Mississippi Avenue, und L. CH. merkel, 1303 South 31 th Street, beide in St. Louis, V. St. A Repetition mechanism for pianinos with inner catcher
DE529922C (en) * 1931-07-18 Julius Carl Hofmann Repeater mechanism for pianos
GB439144A (en) * 1935-02-18 1935-11-29 Triumph Auto Pianos 1930 Ltd Improvements in or relating to upright piano actions
US2277077A (en) * 1940-03-09 1942-03-24 Thayer Action Company Piano action

Also Published As

Publication number Publication date
CA1224950A (en) 1987-08-04
JPS6388599A (en) 1988-04-19
EP0259060A2 (en) 1988-03-09
KR880004419A (en) 1988-06-03

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