US1577501A - Violin piano - Google Patents

Description

March 23 1926. 1,577,501 ,1. CPSTRAWN v VIOLIN PI'ANO Filed July 26, 1923 3 Sheets-Sheet 3 Vfingei' and'the belt the samestring.

belt into engagement with the strings, and

electric means simultaneously operable through operationof a key to move a finger and thebelt into engagement \v1ththe same string.

3.-A v ohnp ano havmga VlOllIl, a movable'belt, keys, violin. stringsengaging fin-' gers, .a table, arms siidable on said table V to meansoperablethrough actuationof a key to simultaneously close an electric circuit through "01m of each group of electro-vmagnets and therebysimultaneously move the f4. A violin piano having a violin, a movable belt, keys, violin strings engaging fingers,a-'t able, arms slidable on said table to shiftthe belt into engagement with the violin strings,electro magnets on said table one associated W1th each arm, electro-magnets one associated withweach finger, means operable through actuation lot a} key to simultaneously close i an electric circuit through one ofieach group of electro-magnets and thereby simultaneously move the finger and the belt into engagement with thesaidstring, and means disposed on oppositeksides oit the violin each supporting a plurality of saidfingers.

A violinpianolhaving a violin, a movinto 'engage'ment with able belt how common to all the strings thereof, means to drive said belt bow, a panel, fingers pivoted to said panel and adapted to engage the strings of the violin,

an electro-magnet on the panel to actuate each finger, and "means operable to simultaneously close an electric circuit through said magnet and to move the belt bOW lIItO corresponding engagement With, the strings,

a guide frame on the panel for said vfingers and means earned by the guide frame to limit the. movement of the fingers.

fingers, arms-to shift the belt into engagement With the v olin strings,electro-magnets associated with said fingers'and said arm, a contact on each finger, conductor arms on each finger normally spaced from the contacts, a conductor strip on the violin piano normally spaced from theconductor;

6. -A. violin piano-having a violin, a movable belt bow, keys, violinstrlng engaging arms, said-strips, arms and" contactsbeing normallyspaced apart andadapted for en-' gagement upon depression of a, key; con-- ductors extending' from said strip, arms and contacts and ncluding said electro-magnet, a plate in the circuit to which some of the conductors lead, a source of electric energy s fron which oneiof thev conductor sjextend, and another conductor from the source of energy oe'mg connected to said plate. r

In testimony whereof .I'aflix my signature.

JESSE o. STRAWN.

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