US1610943A - Combination phonograph and piano - Google Patents

Description

Dec. 14 19 ZHGIULIANI commun on PHONOGRAPH AND PIVANO I Filed Feb. 25. 1925 1 2 Sheets-Sheet 1 'IHHMWI I 1 INVENTOR 1mm ATTORNEY Dec. 14 1926. z. GIULIANI D COMBINATION PHONOGRAPH AND PIANO Filed Feb. 251 1925 2 Sheets-S he et 2 mvl yon nhwnv Patented Dec. 14, 1926.

ZEFFERINO GIULIANI, GF NEV YORK, N. Y.

COMBINATION PliONOGRAPH AND PIANO.

Application filed February 25, 1925. Serial No. 11,428.

, This invention relates generally to a phonograph attachment for player pianos, the term phonograph being here used in ts broader sense, as designating any machine reproducing sound from a record.

The invention has for an object to provide an attachment of this sort applied within the casing of the piano and provided with means for synchronizing the piano with the phonograph.

For further comprehension of the invention, and of the objects and advantages thereof, reference will be had to the following description and accompanying drawings and to the appended claims in which the various novel features of the invention are more particularly set forth.

Fig. 1 of the drawing is a face view, with part of the front of the casing broken away, of a player piano having the invention applied thereto.

Fig. 2 is an enlarged fragn'ientary longitudinal vertical sectional view, showing the synchronizing connection between the phonograph and piano mechanism.

Fig. 3 is a detail transverse sectional view taken on the line 3-3 of Fig. 2.

Fig. 4 is a fragmentary transverse sectional view taken on the line 44 of Fig. 2.

In the drawing the reference numeral indicates generally the casing of a player piano, the usual foot pedals being indicated at 11 while the usual valves are shown at 12, these valves being operated by connecting rod 13 from a crank shaft 14 operatively connected with the foot pedals 11 in the usual manner. These members 12 are located at one side of the usual music roll holder 16 while upon the other side of said holder, within the casing 10, I mount the phonograph. This phonograph is here of the disk type, and consists of a casing 20 in which is a vertical shaft 21 that supports the turntable 22 the tone arm and sound box being indicated at 23 and 24, these parts being of usual construction. Upon the lower end of the shaft 21 is fixed a bevel gear 26 that meshes with a like gear 27 on a horizontal shaft supported by the walls of the casing and extending at one end from the latter, this shaft being driven from the crank shaft by a novel synchronizing drive connection. An ordinary centrifugal speed regulator 29 is applied to the shaft 28.

As here shown the shaft 14 is extended above the roll support 16 and has a spur gear 30 on its end that normally engages a shiftable idler 3i the latter in turn meshing with a stationary idler 32 that engages in turn a car 33 loose on the end of the shaft 28, the gear 33 being here shown as freely supported by a bearing sleeve 34 that receives the end of the shaft 28. The gear imparts movement to the shaft 28 through the medium of a spring pressed pawl 36 mounted on said gear and engaging a ratc'iet wheel 37 fixed to the shaft. Fixed also to the shaft 28 is a sprocket wheel 38 over which is looped a sprocket chain 39 that is looped also over a second sprocket wheel 40 on one end of a stub shaft 41 supported in a wall element 42 within the casing 10, this stub shaft having a bevel gear 43 fixed to its other end. This gear 43 meshes with a like gear 44 supported by a bearing 45 on the front wall of the casing 16-, this gear having a hub extension 44 formed with a clutch face that is adapted to be engaged by a clutch element 46 on the innor end of a spindle 47 that extends through the said front wall of the casing 10 and is supported thereby, this spindle having a knob 47 on its outer end for rotation purposes. Surrounding this spindle, and bearing on the knob 47 thereon, is a coiled expansion spring 48 that serves to hold the spindle with its clutch element 46 disengaged from the clutch element 44 on the gear 44. With the construction thus described the phonograph may be advanced with respect to the piano by pushing in on the knob 47 and giving it a slight rotary movement in the proper direction, and at suiiicient speed if the machine is running, to advance the shaft 28, and with it the ratchet wheel 37 with respect to the gear 33, the pawl 36 riding over the ratchet wheel and assuming a new position with respect to the latter.

hen the phonograph is to be retarded with respect to the piano the idler gear 31 be sniffed to free it from the gear 30, this idler being here shown as mounted on the free end of an arm 52 that is pivoted on the stub shaft 53 that supports the other idler 32. I preferably provide also a means for causing the phonograph to receive a slower motion, and to this end the shaft 14 has fixed thereon adjacent the gear 30 a smaller gear 55 that is engaged when desired by an idler 56 mounted on a fork 52 from the arm 52 and meshing with the gear 32.

These gears 31 and 56 are so spaced with respect to one another that the idler gear 31 moves out of mesh with the gear 30 just before the other idler 56 moves into mesh with the smaller gear 55, when the common frame on which the gears are mounted is rocked, To rock this frame a link 60 is connected at its inner end to the arm 52 and extends outward through a slotted member 61 in the front wall of the piano casing and has a knob 62 on its outer end. This link 60 is formed on its upper side with three V- notches 63 spacedtherealong which selective ly receive-the pointed end of a pin 64 that is supported by the-member 61 and is pressed by a spring 65 against the link, thereby yieldingly holding the latter in such position as it may be adjusted to, with either of the gears 31 and 56 in mesh with their respective gears 30 and 55 or with both of the said idlers free.

Having thus described my invention, what I claimas new and desire to protect by Letters Patent of the United States is as follows 1. In a player piano, in combination, piano motive mechanism including a shaft, a phonograph including. a record support, a drive shaft for said record support extending parallel to said first named shaft, gear connections between said shafts whereby the firse named shaft may drive the other, including a gear loose on the last named shaft, a pawl on said gear, a ratchet heel fixed to said last named shaft and engaged by said pawl, and manually operable means for advancing said last named shaft with respect to the first named shaft, comprising a gear in operative relation to said last named shaft, a clutch element on said gear, a spindle slidably and rotatably supported in the wall of the piano casing, and a clutch elementon said spindle adapted to be brought into operative engagement with the clutch element on the gear by longitudinal movement of the said spindle.

2. In a player piano, in combination, piano motive mechanism including a shaft, a

phonograph including a record support, a drive shaft for said record support extending parallel to said first named shaft, gear connettions between said shafts whereby the first named shaft may drive the other, including a gear loose on the last named shaft, a pawl on said gear, a ratchet wheel fixed to said last named shaft and engaged by said pawl, and manually operable means for advancing said last named shaft with respect to the first named shaft, comprising a gear in operative relation to said last named shaft, a clutch element on saidgear, a spindle slidably and rotatably supported in the wall ZEFFERINO GIULIANI.

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