GB1441354A - Key assemblies - Google Patents

Key assemblies

Info

Publication number
GB1441354A
GB1441354A GB4202174A GB4202174A GB1441354A GB 1441354 A GB1441354 A GB 1441354A GB 4202174 A GB4202174 A GB 4202174A GB 4202174 A GB4202174 A GB 4202174A GB 1441354 A GB1441354 A GB 1441354A
Authority
GB
United Kingdom
Prior art keywords
key
flange
sharp
moulded
bar
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
GB4202174A
Other languages
English (en)
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.)
Wurlitzer Co
Original Assignee
Wurlitzer Co
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 Wurlitzer Co filed Critical Wurlitzer Co
Publication of GB1441354A publication Critical patent/GB1441354A/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
    • G10C3/00—Details or accessories
    • G10C3/12—Keyboards; Keys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/07—Electric key switch structure

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Toys (AREA)
GB4202174A 1974-05-06 1974-09-27 Key assemblies Expired GB1441354A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00467207A US3855894A (en) 1974-05-06 1974-05-06 Key assembly

Publications (1)

Publication Number Publication Date
GB1441354A true GB1441354A (en) 1976-06-30

Family

ID=23854810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4202174A Expired GB1441354A (en) 1974-05-06 1974-09-27 Key assemblies

Country Status (6)

Country Link
US (1) US3855894A (enrdf_load_stackoverflow)
JP (1) JPS50142223A (enrdf_load_stackoverflow)
CA (1) CA1000979A (enrdf_load_stackoverflow)
DE (1) DE2453426A1 (enrdf_load_stackoverflow)
GB (1) GB1441354A (enrdf_load_stackoverflow)
IT (1) IT1021762B (enrdf_load_stackoverflow)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3941023A (en) * 1974-06-14 1976-03-02 The Wurlitzer Company Chord button assembly
US4091707A (en) * 1975-12-22 1978-05-30 Graber-Rogg, Inc. Compact chord organ
US4140039A (en) * 1976-04-12 1979-02-20 Faulkner Alfred H Hand held synthesizer
US4128035A (en) * 1976-06-25 1978-12-05 Norman Erickson Keyboard assembly
US4136270A (en) * 1977-03-24 1979-01-23 Gte Automatic Electric Laboratories Incorporated Actuator for pushbutton switch
US4205583A (en) * 1977-12-12 1980-06-03 Cbs Inc. Keyboard construction for pianos
US4248130A (en) * 1978-08-24 1981-02-03 Norlin Industries, Inc. Keyboard assembly
JPS6326893Y2 (enrdf_load_stackoverflow) 1980-08-13 1988-07-21
US4368364A (en) * 1980-12-03 1983-01-11 Load Cells Inc. Key mechanism
US4346639A (en) * 1981-07-27 1982-08-31 Ernest Vagias Thermoplastic key face for pianos or the like
US4500756A (en) * 1982-03-19 1985-02-19 Pratt-Read Corporation Keyboard switch having a deformable membrane formed of cellular urethane
US4782734A (en) * 1987-08-25 1988-11-08 Rose Erma L Keyboard keys for larger hands
USD313031S (en) 1987-12-10 1990-12-18 Yamaha Corporation Electronic keyboard musical instrument
USD312266S (en) 1988-02-22 1990-11-20 Casio Computer Co., Ltd. Electronic musical keyboard instrument
USD312265S (en) 1988-02-22 1990-11-20 Casio Computer Co., Ltd. Electronic musical keyboard instrument
USD319248S (en) 1988-09-08 1991-08-20 Yamaha Corporation Electronic keyboard musical instrument
USD326106S (en) 1989-08-05 1992-05-12 Yamaha Corporation Electronic keyboard musical instrument
JPH10171442A (ja) * 1996-12-16 1998-06-26 Yamaha Corp 鍵盤楽器
US6087576A (en) * 1997-02-24 2000-07-11 Yamaha Corporation Electronic musical keyboard apparatus resistant to yawing forces and rolling forces
JP3137038B2 (ja) * 1997-06-06 2001-02-19 ヤマハ株式会社 鍵盤装置
JP2008003210A (ja) * 2006-06-21 2008-01-10 Yamaha Corp 電子鍵盤楽器の鍵盤装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA737203A (en) * 1966-06-28 The Wurlitzer Company Sharp key cap
US3205754A (en) * 1965-09-14 Becwar keys
US2117002A (en) * 1936-07-18 1938-05-10 Hammond Laurens Keyboard for musical instruments
US2832251A (en) * 1953-07-07 1958-04-29 Wurlitzer Co Organ key
US3110211A (en) * 1959-08-06 1963-11-12 Baldwin Piano Co Electronic organ construction
US3120146A (en) * 1961-06-02 1964-02-04 Pratt Read & Co Inc Musical instrument key
US3306152A (en) * 1964-06-17 1967-02-28 Paul A Klann Keyboard
JPS4521326Y1 (enrdf_load_stackoverflow) * 1966-02-23 1970-08-25
US3740448A (en) * 1971-04-12 1973-06-19 Wurlitzer Co Organ drop-in key assembly
US3715950A (en) * 1971-09-22 1973-02-13 Pratt Read Corp Key construction for keyboard instruments
US3797357A (en) * 1972-09-20 1974-03-19 Wurlitzer Co Electronic musical instrument mechanical construction

Also Published As

Publication number Publication date
DE2453426A1 (de) 1975-11-20
CA1000979A (en) 1976-12-07
IT1021762B (it) 1978-02-20
US3855894A (en) 1974-12-24
JPS50142223A (enrdf_load_stackoverflow) 1975-11-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee