GB306709A - Improvements in, or relating to, pneumatically operated player mechanism for musicalinstruments - Google Patents

Improvements in, or relating to, pneumatically operated player mechanism for musicalinstruments

Info

Publication number
GB306709A
GB306709A GB583028A GB583028A GB306709A GB 306709 A GB306709 A GB 306709A GB 583028 A GB583028 A GB 583028A GB 583028 A GB583028 A GB 583028A GB 306709 A GB306709 A GB 306709A
Authority
GB
United Kingdom
Prior art keywords
secured
ducts
base
musicalinstruments
relating
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
GB583028A
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.)
John Broadwood & Sons Ltd
Original Assignee
John Broadwood & Sons Ltd
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 John Broadwood & Sons Ltd filed Critical John Broadwood & Sons Ltd
Priority to GB583028A priority Critical patent/GB306709A/en
Publication of GB306709A publication Critical patent/GB306709A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10F—AUTOMATIC MUSICAL INSTRUMENTS
    • G10F1/00—Automatic musical instruments
    • G10F1/02—Pianofortes with keyboard

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Reciprocating Pumps (AREA)

Abstract

306,709. Collen, R. H., and Broadwood & Sons, Ltd., J. Feb. 24, 1928. Actions, pneumatic.-A series of intermediate members each formed with purse pockets and ports is clamped between base pieces each containing a plurality of valves and a common suction chest. In the secondary action shown in Fig. 1, the base piece 4 is formed by casting with two valve chambers and ducts 15 leading to the striker pneumatics 5, and the plate 8, which is secured to the base 4 by screws 17 is formed with pockets for the diaphragms 25 communicating through holes 10 with the tracker ducts 12, and with ports communicating with the ducts 3 in the main suction board 1. Both members are secured by screws 18 and a nut on a screw 19 ; caps 26 for the valve chambers may be secured by a bridge piece 27 and nut 28. The primary action is similarly constructed and is mounted upon an auxiliary suction chest. Specification 254,485 is referred to.
GB583028A 1928-02-24 1928-02-24 Improvements in, or relating to, pneumatically operated player mechanism for musicalinstruments Expired GB306709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB583028A GB306709A (en) 1928-02-24 1928-02-24 Improvements in, or relating to, pneumatically operated player mechanism for musicalinstruments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB583028A GB306709A (en) 1928-02-24 1928-02-24 Improvements in, or relating to, pneumatically operated player mechanism for musicalinstruments

Publications (1)

Publication Number Publication Date
GB306709A true GB306709A (en) 1929-02-28

Family

ID=9803408

Family Applications (1)

Application Number Title Priority Date Filing Date
GB583028A Expired GB306709A (en) 1928-02-24 1928-02-24 Improvements in, or relating to, pneumatically operated player mechanism for musicalinstruments

Country Status (1)

Country Link
GB (1) GB306709A (en)

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