US808190A - Pianissimo device for piano-actions. - Google Patents

Pianissimo device for piano-actions. Download PDF

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Publication number
US808190A
US808190A US27763405A US1905277634A US808190A US 808190 A US808190 A US 808190A US 27763405 A US27763405 A US 27763405A US 1905277634 A US1905277634 A US 1905277634A US 808190 A US808190 A US 808190A
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United States
Prior art keywords
piano
actions
lever
pianissimo
tongue
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Expired - Lifetime
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US27763405A
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Charles G Bothner
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Individual
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Priority to US27763405A priority Critical patent/US808190A/en
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    • 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
    • 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

Definitions

  • This'invention relates to a pianissimo device for piano-actions which prevents lost motion between the jack and hammer-butt upon the depression of the soft pedal.
  • the pianissimo device is of simple construction, insures a correct touch, and is positive in its movements.
  • Figure 1 is a side view of a piano-action embodying my invention and showing the parts in their normal position; Fig. 2, a side view of the lower portion of the action, showing the position of the parts when the soft pedal is depressed and Fig 3 an enlarged horizontal section on line 3 3, Fig. 1.
  • the letter a indicates the key of the pianoaotion.
  • b is the capstan;
  • c the abstract;
  • d the wippen;
  • e the jack;
  • f the hammer, and
  • g the hammer-rail, all as usual.
  • a tongue i To a flange h of lower action-rail h is fulcrumed at i a tongue i.
  • This tongue has a stepped front end 71 cushioned on top and bottom and resting upon capstan Z).
  • the top of tongue i is grooved, as at '5 Fig. 8, to receive the rear end of a lostmotion lever j, fulcrumed to tongue i at 3'.
  • the bottom of the abstract 0 is plvoted at c to lever j in axial alinement with capstan b.
  • the abstract 0 extends above but not below the lever y', and thus does not interfere with the direct support of the latter upon the step i during the normal operation of the parts.
  • the cushioned front end of lever is turned slightly upward and rests upon an oscillating cross-bar 7c. This bar has rearwardly-extending arms 7c, pivoted at 762 to a flange h of action-rail h.
  • lever 7' rests upon step 4?. and motion is transmitted from capstan I) through step i and lever j to abstract 0.
  • a lifter (not shown) to correspondingly raise bar is by rod Z.
  • lever will be swung up to form a gap between its lower side and step i Fig. 2.
  • the height of the action is increased and lost motion is prevented.
  • a pianissimo device for piano-actions composed of a tongue pivoted to a fixed support and having a step, a lever pivoted to the tongue and supported normally upon the step, an abstract pivoted at its bottom to the lever, and means for raising and lowering the lever, substantially as specified.

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

Description

No. 808,190. PATENTED DEC. 26, 1905. C. G. BOTHNER.
PIANISSIMO DEVICE FOR PIANO ACTIONS.
APPLICATION FILED SEPT 8,1905.
By. J
my. z.
will. assess i'wenior:
& I Zarkas fivBolkner y o'M/wz 31pm) To all whom it may concern.-
CHARLES G. BOTHNER, OF NEW YORK, N. Y.
PIANISSIMO DEVICE FOR PIANO-ACTIQNS.
Specification of Letters Patent.
Patented Dec. 26, 1905.
Application filed September 8, 1905. Serial No. 277,634.
Be it known that I, CHARLES G. BOTHNER, a citizen of the United States, residing at New York city, Bronx, county and State of New York, have invented new and useful Improvements in Pianissimo Devices for Piano-Actions, of which the following is a specification.
This'invention relates to a pianissimo device for piano-actions which prevents lost motion between the jack and hammer-butt upon the depression of the soft pedal.
The pianissimo device is of simple construction, insures a correct touch, and is positive in its movements.
In the accompanying drawings, Figure 1 is a side view of a piano-action embodying my invention and showing the parts in their normal position; Fig. 2, a side view of the lower portion of the action, showing the position of the parts when the soft pedal is depressed and Fig 3 an enlarged horizontal section on line 3 3, Fig. 1.
The letter a indicates the key of the pianoaotion. b is the capstan; c, the abstract; d, the wippen; e, the jack; f, the hammer, and g the hammer-rail, all as usual.
To a flange h of lower action-rail h is fulcrumed at i a tongue i. This tongue has a stepped front end 71 cushioned on top and bottom and resting upon capstan Z). Back of step 77 the top of tongue i is grooved, as at '5 Fig. 8, to receive the rear end of a lostmotion lever j, fulcrumed to tongue i at 3'. The bottom of the abstract 0 is plvoted at c to lever j in axial alinement with capstan b. The abstract 0 extends above but not below the lever y', and thus does not interfere with the direct support of the latter upon the step i during the normal operation of the parts. The cushioned front end of lever is turned slightly upward and rests upon an oscillating cross-bar 7c. This bar has rearwardly-extending arms 7c, pivoted at 762 to a flange h of action-rail h.
Normally the lever 7' rests upon step 4?. and motion is transmitted from capstan I) through step i and lever j to abstract 0. Upon the depression of the soft pedal hammer-rail g is raised, as usual, by a lifter (not shown) to correspondingly raise bar is by rod Z. In this way lever will be swung up to form a gap between its lower side and step i Fig. 2. Thus the height of the action is increased and lost motion is prevented.
What I claim is A pianissimo device for piano-actions composed of a tongue pivoted to a fixed support and having a step, a lever pivoted to the tongue and supported normally upon the step, an abstract pivoted at its bottom to the lever, and means for raising and lowering the lever, substantially as specified.
Signed by me at New York city, (Manhattan,) New York, this 7th day of September,
CHARLES G. BOTHNER. Witnesses:
FRANK v. BRIESEN, WILLIAM SonULz.
US27763405A 1905-09-08 1905-09-08 Pianissimo device for piano-actions. Expired - Lifetime US808190A (en)

Priority Applications (1)

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US27763405A US808190A (en) 1905-09-08 1905-09-08 Pianissimo device for piano-actions.

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US27763405A US808190A (en) 1905-09-08 1905-09-08 Pianissimo device for piano-actions.

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8541671B1 (en) * 2012-03-21 2013-09-24 Wessell, Nickel & Gross Lost motion compensation device for an upright piano action
US8927835B1 (en) 2013-10-03 2015-01-06 Steinway Musical Instruments, Inc. Piano extended soft pedal
US9159302B2 (en) 2013-10-03 2015-10-13 Steinway Musical Instruments, Inc. Piano extended soft pedal/CIP
US9343044B2 (en) 2013-10-03 2016-05-17 Steinway, Inc. Piano extended soft pedal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8541671B1 (en) * 2012-03-21 2013-09-24 Wessell, Nickel & Gross Lost motion compensation device for an upright piano action
US8927835B1 (en) 2013-10-03 2015-01-06 Steinway Musical Instruments, Inc. Piano extended soft pedal
US9159302B2 (en) 2013-10-03 2015-10-13 Steinway Musical Instruments, Inc. Piano extended soft pedal/CIP
US9343044B2 (en) 2013-10-03 2016-05-17 Steinway, Inc. Piano extended soft pedal

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