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GB191106530A - Improvements in and relating to Pneumatically Operated Automatic Pianos and the like. - Google Patents

Improvements in and relating to Pneumatically Operated Automatic Pianos and the like.

Info

Publication number
GB191106530A
GB191106530A GB191106530DA GB191106530A GB 191106530 A GB191106530 A GB 191106530A GB 191106530D A GB191106530D A GB 191106530DA GB 191106530 A GB191106530 A GB 191106530A
Authority
GB
United Kingdom
Prior art keywords
treadle
spindle
bellows
hinged
arm
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
Inventor
Macarius Maximilian Kastner
Paul Schlottki
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 GB191106530A publication Critical patent/GB191106530A/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)
  • Hinges (AREA)

Abstract

6530. Kastner, M. M., and Schlottki, P. March 15. Player-pianos; treadle devices.-The slope of the treadles when at rest can be adjusted without altering the lengths of the connecting-rods or the position of the treadle support. The treadle supports m are connected to members o hinged at p to the bottom-rail, as shown in Fig. 1, which illustrates one treadle and the bellows it operates. The treadle j is hinged at n, n to the bar l, and operates a crank h on a spindle c through a link k. The spindle c is mounted in brackets b, b on the fixed board of the bellows. An arm d is secured to the spindle c by a set-screw i, and is connected by a link e to a bracket fixed at the middle of the lower side of the bellows-moving board. Two or more arms d may be provided. By loosening the setscrew i and adjusting the arm h, the slope of the treadle may be adjusted. The crank h instead of the arm d may be adjustable on the spindle c. The treadles are adapted to be folded up in the usual manner, the parts o being hinged at p for this purpose.
GB191106530D 1911-03-15 1911-03-15 Improvements in and relating to Pneumatically Operated Automatic Pianos and the like. Expired GB191106530A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191106530T 1911-03-15

Publications (1)

Publication Number Publication Date
GB191106530A true GB191106530A (en) 1912-03-14

Family

ID=32497725

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191106530D Expired GB191106530A (en) 1911-03-15 1911-03-15 Improvements in and relating to Pneumatically Operated Automatic Pianos and the like.

Country Status (1)

Country Link
GB (1) GB191106530A (en)

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