US1368107A - Piano-action - Google Patents
Piano-action Download PDFInfo
- Publication number
- US1368107A US1368107A US367058A US36705820A US1368107A US 1368107 A US1368107 A US 1368107A US 367058 A US367058 A US 367058A US 36705820 A US36705820 A US 36705820A US 1368107 A US1368107 A US 1368107A
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- US
- United States
- Prior art keywords
- bridle strap
- bumper head
- bridle
- strap
- action
- 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 - Lifetime
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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
- G10C3/16—Actions
- G10C3/161—Actions specially adapted for upright pianos
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Percussive Tools And Related Accessories (AREA)
Description
G. w. BRAUNSDORF.
PIANO ACTION.
APPLICATION FILED MM. 19, 1929.
1,368, 107. Patented Feb. 8, 1921.
UNITED STATES PATENT OFFICE.
GEORGE BRAUNSIDORF, OF NEXV YORK, N. Y.
Specification of Letters Patent.
PIANO-ACTION.
Patented Feb. 8, 1921 To all w lwm it may concern Be it known that I, Gnonen YV. BRAUNS- DORF, a citizen of the United States, residing at Elmhurst, in the county of Queens, city and State of New York, have invented an Improvement in Piano-Actions, of which the following is a specification.
This invention relates to the action of an upright piano and more particularly to the construction of the bridle strap employed therewith and the manner of connecting the bridle strap to the bumperhead. Heretofore in upright piano actions the general practice has been to permanently secure the bridle strap at one end thereof to the hammer butt or the bumper head by tacking or otherwise securing the same in place permanently. This necessarily made the replacing of a broken bridle strap a difficult and tin certain operation after the. parts of the piano action have all been assembled. I am also aware that heretofore it has been proposed to associate one end of the bridle strap with the bumper head and its shank, slotting, the bridle strap so that the same may pass over the bumper head and surround the shank of the bumper head and thus be secured in position. This construction, however, due to the uncertainty of maintaining this end of the bridle strap in place, has not been found to be entirely satisfactory and the object of my present invention is to so construct the bridle strap and to attach the same to the bumper head as to make the connection permanent, and also one which makes the renewal of the bridle strap a comparatively simple matter, and the construction of the parts relating to this invention will be hereinafter more particularly described.
In the drawing:
Figure 1 is an elevation and partial cross section illustrating the parts of an upright piano action in which my present invention is included.
Fig. 2 is a perspective view of the bumper head of the improved bridle strap attachment.
Fig. 3 is a view similar to Fig. 1 showing another form of the invention.
Fig. 4 is a plan view of the bridle strap, d v
Fig. 5 is a section taken on line 55, Fig. 4.
Referring to the drawing, 10 represents the wippen which is of the usual construction and. with which there is associated the usual jack member 11 and the ordinary hammer butt 12. With each hammer butt 12 there is a hammer spring 13 and as, is also customary there is associated with eachhams mer butt a hammer 14 which is connected thereto by a shank 15. 4 2
Each hammer butt 12 also has connected thereto a shank 16 which carries a bumper head 17 adapted to contact with a stop member 18 which is supported by a shank 19 con nected to the wippen 10. The parts as hereinbefore described are the ordinary members of a piano action in the type of which my improved bridle strap and its connection with the bumper head may be employed. The bridle strap is indicated at 20 and as will be understood may be made of a suitable woven fabric or any other material. One end of this bridle strap is attached to a plug member 21. The plug member may also be made of any suitable material and the attachment made in any desired manner, although as indicated the plug member is made in halves, the parts of which are shown at 22 and 23 with theextremity of the bridle strap passed between and connected by adhesive or in any other manner to this end of the strap. The opposite end of the strap may be reinforced as indicated at 24 by a strip of any suitable material and may be provided with a hole as indicated at 25 for attachment to the bridle hook. As shown in Figs. 1 and 2, an aperture 26 is provided in the extension 27 of the hammer butt and is of such a diameter when made round as to receive the plug 21 so that this end of the bridle strap may be readily connected to the bumper head, and after this connection is made the opposite end suitably attached to the bridle hook 28 as illustrated, making the operation of attaching the bridle strap in place a relatively easy one even after all the other parts of the action are assembled.
By reference to Fig. 3 in which the bumper head is not provided with an eXten sion, it will be seen that in a suitable position, the bumper head may be provided with a recess 29 adapted to receive the plug member at one end of the bridle strap to secure the same in position thereon. Other than this, the structure in this figure is the same as those hereinbefore described.
I claim as my invention:
1. In an upright piano action and in combination with a hammer butt, a bumper head having an aperture therein and a shank connecting the bumper head to the hammer butt, a bridle strap, and a multiple part plug between the parts 01? which one end of the bridle strap is secured and the plug inserted in the said aperture in the bumper head.
2. In an upright piano action and in com bination with a hammer butt, a bumper head having an aperture therein and a shank eon neeting the bumper head to the hammer butt, a bridle strap, and a two part plug,"
with one end of the bridle strap secured between the parts of the plug and the plug inserted in the said aperture in the bumper head.
3. In an upright piano action and in combination with a hammer butt, a bumper head 1 0 having an extension provided with an aperture and a shank connecting the said bumper head to the hammer butt, a bridle strap, and a two part plug having one extremity of the bridle strap secured between the parts there- 20 0t and the plug inserted in the said aperture in the extension of the bumper head.
Signed by me this 25th day of February, 1920.
GEORGE WV. BRAUNSDORF.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US367058A US1368107A (en) | 1920-03-19 | 1920-03-19 | Piano-action |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US367058A US1368107A (en) | 1920-03-19 | 1920-03-19 | Piano-action |
Publications (1)
Publication Number | Publication Date |
---|---|
US1368107A true US1368107A (en) | 1921-02-08 |
Family
ID=23445765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US367058A Expired - Lifetime US1368107A (en) | 1920-03-19 | 1920-03-19 | Piano-action |
Country Status (1)
Country | Link |
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US (1) | US1368107A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
1920
- 1920-03-19 US US367058A patent/US1368107A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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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