US419737A - Key-desk for organs - Google Patents
Key-desk for organs Download PDFInfo
- Publication number
- US419737A US419737A US419737DA US419737A US 419737 A US419737 A US 419737A US 419737D A US419737D A US 419737DA US 419737 A US419737 A US 419737A
- Authority
- US
- United States
- Prior art keywords
- key
- desk
- organs
- cover
- cheek
- 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
Links
- 210000000056 organs Anatomy 0.000 title description 10
- 210000003467 Cheek Anatomy 0.000 description 8
- 238000010276 construction Methods 0.000 description 2
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10B—ORGANS, HARMONIUMS OR SIMILAR WIND MUSICAL INSTRUMENTS WITH ASSOCIATED BLOWING APPARATUS
- G10B1/00—General design of organs, harmoniums or similar wind musical instruments with associated blowing apparatus
Description
(No Model.)
J. E. TREAT.
KEY DESK FOR" ORGANS.
110419.737. Patentd Jan. 21,1890.
UNITED STATES PATENT OFFICE.
JAMES E. TREAT, OF BOSTON, MASSACHUSETTS.
KEY-DESK FOR ORGANS.
SPECIFICATION forming part of Letters Patent No. 419,737, dated January 21, 1890.
Application filed August 12, 1889: Serial No. 320,457. (No model.)
To all whom it may concern:
Be it known that I, JAMES E. TREAT, a citizen of the United States, and a resident of Boston,in the county of Suffolk and State of Massachusetts, have invented new and useful Improvements in Key-Desks or Consoles, of which the following, taken in connection with the accompanying drawings, is a specification.
This invention relates to improvements in key-desks or consoles for organs, and it is carried out as follows, reference being had to the accompanying drawings, wherein--- Figure 1 represents a partial plan View of an organ key-desk or console, showing the same open and the hinged cover or fall and cheek-pieces pushed backward to permit the instrument to be played. Fig. 2 represents an end view of the same in same position. Fig. 3 represents a cross-section on the line X X, showing in full lines the cheek-pieces and hinged cover or fall in their outer closed positions, and showingin dotted lines the said cover folded and raised preparatory to moving it backward; and Fig. 4 represents a cross section on the line Y Y, shown in Fig. 2.
Similar letters refer to similar parts wherever they occur on the different parts of the drawings.
The object of the invention is to enable the desk to be opened more fully when it is to be used, and it is constructed as follows:
(t represents the base of an organ key-desk, as usual, to which is secured the key-action support or key-sill b.
0 represents the keys, and d represents the stops, as usual. Above the key-sill b and secured to it is the case, consisting, as usual, of the sides e, back f, and top g, as shown in the drawings. In connection with said case I use inside of each side e a sliding cheekpiece h, having,preferably, an inclined front, as shown in Figs. 2 and 3-. In a recess in the upper portion of each sliding cheek-piece h is located a pawl 1', that is pivoted to such cheek-piece at t, and is normally forced upward against the under side of the top Q by means of a spring 70, that causes the free end of said pawl to look into and enter a notch g on the under side of the top 9 when the cheek-pieces are drawn fully out, as shown in Fig. 3. The cover or fall is composed of a horizontal or top portion Z and one or more hinged parts Z Z Z as shown in Fig. 3. To the under side of each end of the top portion Z of said cover is secured a projection Z, (shown in Fig. i and in dotted lines of Fig. 3,) which is adapted to move in an elongated groove or recess h in the cheek-piece h, as shown in dotted lines in Fig. 3.
L is a horizontal bar attached to the top of the part 1, so as to close the space between the latter and the under side of the top g when the instrument is closed, as shown in Fig. 3.
If it is desired to open the instrument, the parts Z Z are folded on top of the part Z, as shown in dotted lines in Fig. 3, and the part l raised into a horizontal position in a line with the part Z, after which said parts are pushed backward, causing first the pawlsz' to be disengaged from the locking-recesses g in the under side of the top 9 by the back edge of the part Zcoming in contact with said pawls z z, and as the cover Zis further pushed backward its projections Z come in contact with the rear ends of the groove h in the cheeks 71, causing the latter to be pushed backward with the folded cover to the position shown in Fig. 2. In closing the instrument the coverZ Z is drawn out until the projections Z reach the forward ends of the recesses h in the cheeks h, when by the further motion outward of said cover the cheeks will be caused to slide forward and drawn outto the position shown in Fig. 3, thus releasing the pawls 1; and causing their free ends to lock in the recesses g by the influence of their springs 7r, as shown in said Fig. 3, after which the hinged parts Z Z Z of the cover are closed over the forward ends of the cheeks h, as shown in said Fig.
Having thus fully described the nature, construction, and operation of my invention, I wish to secure by Letters Patent, and claim- 1. In a key-desk or console for organs, the
in notches g in the case-top g, combined with name to this specification, in the presence of the cover Z and one or more hinged leaves Z two subscribing witnesses, on this 25th day [0 Z Z arranged and constructed substantially of June, A. D. 1889. as described, so that a reciprocatory niover 5 ment is imparted to said cheek-pieces by the JAMES FREA forward and back motion of said cover, as \Vitnesses: and for the purpose specified. ALBAN ANDREN,
In testimony whereof I have signed my GEO. \V. THITE.
Publications (1)
Publication Number | Publication Date |
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US419737A true US419737A (en) | 1890-01-21 |
Family
ID=2488657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US419737D Expired - Lifetime US419737A (en) | Key-desk for organs |
Country Status (1)
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US (1) | US419737A (en) |
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- US US419737D patent/US419737A/en not_active Expired - Lifetime
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