US682616A - Repeating action for upright pianos. - Google Patents

Repeating action for upright pianos. Download PDF

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Publication number
US682616A
US682616A US5400901A US1901054009A US682616A US 682616 A US682616 A US 682616A US 5400901 A US5400901 A US 5400901A US 1901054009 A US1901054009 A US 1901054009A US 682616 A US682616 A US 682616A
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Prior art keywords
spring
hammer
action
jack
upright pianos
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US5400901A
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Joseph Herrburger
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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
    • G10C3/168—Actions with hanging jacks, i.e. jacks connected to hammer-butts or hammer-shanks
    • 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
    • G10C3/161—Actions specially adapted for upright pianos

Definitions

  • This invention relates to an action for upright pianos in which a superior repeating effect is obtained.
  • Figure 1 is a side elevation, partly in section, of my im proved piano-action; and Fig. 2 is a longitudinal section through the jack.
  • the letter a represents the key of an upright-piano action, I) the thrust-rod, c the Wippen, d thejack orhopper, and e the hammer, all as usual.
  • a springf which tends to push the upper end of the jack under the hammer-butt 6 upon a release of the key.
  • a second spring g is secured at one end to the hammer-butt e and engages at its other enda silk thread h, which is secured to the hammer-flange '6. This spring assists in throwing the hammer against the hammer-rest j upon the release of the key.
  • a third spring 70 is coiled around a pin 70, that traverses a slot d of jack cl.
  • the upper hooked end of this spring engages a thread Z, the other end of which is affixed to the hammer-butt e at 6 under the axial center of the Serial No. 54,009.- (No model.)
  • the tension of spring 70 may be readily regiu lated by means of an adjusting screw m, that is tapped into the jack d and engages the tail end of the spring.
  • the spring 7t has a tend ency to sustain the hammer in its half-stroke position after it has receded from the string and before the key is released.
  • the jack can readily return under the hammerbutt upon a partial or complete release of the key, and a very reliable repeating action is thus insured.
  • the very delicate adjustment necessary for this spring may be readily effected by means of the regulating-screw W.

Description

N0. 682,6l6. Patented Supt. I7, I90]. J. HERRBURGER.
BEPEATIIIB ACTION FOB UP u MINA; a
T Plums.
RIG"
(Ila Iodol.)
1L4 mum in a KII- ca. mmrfm. wunmcm n c.
UNITED I STATES PATENT OFFICE.
JOSEPH HERRBURGER, OF PARIS, FRANCE.
REPEATING ACTION FOR UPRIGHT PIANOS.
SPECIFICATION forming part of Letters Patent No. 682,616, dated September 17, 1901.
Application filed April 2, 1901.
To all whom it may concern.-
Be it known that I, JOSEPH HERRBURGER, a citizen of France, and a resident of Paris, France, have invented certain new and useful Improvements in Repeating Actions for Upright Pianos, of which the following is a specification.
This invention relates to an action for upright pianos in which a superior repeating effect is obtained.
In the accompanying drawings, Figure 1 is a side elevation, partly in section, of my im proved piano-action; and Fig. 2 is a longitudinal section through the jack.
The letter a represents the key of an upright-piano action, I) the thrust-rod, c the Wippen, d thejack orhopper, and e the hammer, all as usual. Between the lower end of the jack and the wippen is placeda springf, which tends to push the upper end of the jack under the hammer-butt 6 upon a release of the key. A second spring g is secured at one end to the hammer-butt e and engages at its other enda silk thread h, which is secured to the hammer-flange '6. This spring assists in throwing the hammer against the hammer-rest j upon the release of the key. A third spring 70 is coiled around a pin 70, that traverses a slot d of jack cl. The upper hooked end of this spring engages a thread Z, the other end of which is affixed to the hammer-butt e at 6 under the axial center of the Serial No. 54,009.- (No model.)
hammer-shank. This thread passes through a perforation d of jack d.
The tension of spring 70 may be readily regiu lated by means of an adjusting screw m, that is tapped into the jack d and engages the tail end of the spring. The spring 7t has a tend ency to sustain the hammer in its half-stroke position after it has receded from the string and before the key is released. Thus the jack can readily return under the hammerbutt upon a partial or complete release of the key, and a very reliable repeating action is thus insured. The very delicate adjustment necessary for this spring may be readily effected by means of the regulating-screw W.
What I claim is In a repeating action for upright pianos, the combination of a jack having a pair of slots, with a spring'k, pivoted to the jack, means in the lower slot for regulating the tension of the spring, a string passing through the upper slot and connecting the spring to the hammer-butt, a spring g, secured to said hammer-butt, and a string h, for connecting said spring to the hammer-flange, substantially as specified.
Signed by me at Paris, France, this 13th day of March, 1901.
JOSEPH HERRBURGER.
Witnesses:
EDWARD P. MAOLEAN, AUGUSTE WYTE.
US5400901A 1901-04-02 1901-04-02 Repeating action for upright pianos. Expired - Lifetime US682616A (en)

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US5400901A US682616A (en) 1901-04-02 1901-04-02 Repeating action for upright pianos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5400901A US682616A (en) 1901-04-02 1901-04-02 Repeating action for upright pianos.

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US682616A true US682616A (en) 1901-09-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4896577A (en) * 1987-10-02 1990-01-30 Trivelas Chris A Action for upright piano
US5042354A (en) * 1987-10-02 1991-08-27 Fandrich Design, Inc. Action for upright piano
US20140013922A1 (en) * 2012-07-10 2014-01-16 Darrell Gerard Fandrich Enhanced vertical piano action system and method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4896577A (en) * 1987-10-02 1990-01-30 Trivelas Chris A Action for upright piano
US5042354A (en) * 1987-10-02 1991-08-27 Fandrich Design, Inc. Action for upright piano
US20140013922A1 (en) * 2012-07-10 2014-01-16 Darrell Gerard Fandrich Enhanced vertical piano action system and method
US9000281B2 (en) * 2012-07-10 2015-04-07 Darrell Gerard Fandrich Enhanced vertical piano action system and method

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