US489035A - Pedal-piano - Google Patents

Description

(No Mod C. N AND. PEDAL P O.

No. 489,035. Patented Jan. 3, 1893.

A ilh,lllllllllfllllllil UNITED STATES PATENT OFFICE.

CHARLES N. BAND, OF GENEVA, OHIO.

PEDAL-PIANO.

SPECIFICATION forming part of Letters Patent No. 489,035, dateci January 8, 1893.

Applieation fiied March 9, 1892. Serial No. 424.352. (No model.)

T0 cdl w7wm it 771/001] concern;

Be it known that I, CHARLES N. BAND, a citizen of the United States, residing ab Geneva, in thecounty of Ashtabula and State of Ohio, have nvented a new and usefui Combination Piano, Bex1oh, and Pedals, of whioh the following is a speoifieation.

My. invention relates to that elass of instrumente whieh are practice instrumenos, wherebya person ean aoquire proficieney and skill to use the pedals of an organ. This instrument oan be used in conneetion With an ordinary piano or organ if desirable. I attain these objects by the meehanism iilustrated in the aecompanying drawings in whieh Figure 1 is a view showing the pedai piano as it appears when not in use and Wibl1 the pedale folded into the piano. Fig. 2 is a View of the entixe pedal piano With the pedale unfoided from che piano ready for use aud with the lid or seat of the beneh raised to show the aotion or meehanical parts. Fig. 3 is a sect.ional view of the aetion.

In Fig. 2 A is a bench. I is the baok of the beneh and is also a sounding-board, 0 is the seat or eover. In this out the cover is raised to show the mechanical parts of the instrument. D is a set; of ordinary organ pedals and the frame to whieh they are fastened is 1]1] ged to the piano-bench at the points E and F. When the pedals are nnfolded from the benoh ready for use the ends of wbieh remain in the beneh come underaud in contact With the angles G. The pedale being hinged to the frame and having a fulcrum point at. H, a few inches from the back ends, it foliows thai; when the front ends of the pedale are pressed down the back ends of the pedale are raised in proportiou and this movementraises the front and lower ends of the angies G whieh gives a baekward or horizontal movement tothe upright-part of the ang1es. On the front or inside of the sounding board I is fastened a number of npright ribs to strengthen the board. On obese ribs is fastened a row or scale of metal prongs graduated and cimed to a musical scale and corresponding With the pedals in proper number and tene.

In Fig. 3 I show a detailed seotion of the meohanieal parte and a deseripton of their movements. D is a pedal. H is the fuicrum point where t s hinged to the frame. G is an ang1e. I is the sounding board. K. is a rib of the sounding board. L is a metal prong preferably made of tempered steel, one end of whieh is fastened to the 1ib K while the other end is ieft free (o vibra'te. z is a movable bearing which is piaeed between the p1ong L and the rib K and is used to cune the prong. This is aoeomplished by moving che bearing up or down between the prong and. the 1ib by means of s1ots whioh allow it to pass on eithex side of the serews which ho1d the prong. 'lhus the vibrating Iength of the prong may be made shorter, Whieh raises the pitch or longer whioh lowers fhe piteh. The board N extends the entire length of the piano along the bottom and is seourelyfastened thereto, and the angle G is fastened to it; at. the point M by a flat strip of spring metal 0. One end of the angle G reste on the pedal D at the point P and the spring O holds the angie and pedal in position but aiiows them to be moved freeiy. At the point P whexe the angie rests on the pedal is a means of adjustment oonsisting of a piate of metal or wood Y one end of whioh is fastened '00 the under sde of.the ang1e and the other end resting on the pedal. A serew X passes Lhrough the angle and presses bhis piate. As the front end of the pedal is not permioted by its frame to rise hgher than a horizontal posicion it follows thai; the upper end of the angle G may be moved forward or backward by turning the sorew X. B is a rod hinged o the upper end of the angle G. The. hinge rivet is made fast in the rod B and works loosely in the angle G whieh is slotted through the hinge holes and the two sides thus separated oan be drawn together or separated to make the hinge tight or loose by turning the serew S. The horizontal adjustment; rod U whioh extends the entire length of the piano, supports the rod R. One end of thesprngiis fas- Lened to the angle G and the other end reste on the rod R to bring it into position quiekly. Vis aflatpieeeofspring metaloneend of whieh is fastened 150 the under side of the rod R while the other end. is ourved and forms an angle with the rod E te raise it when it slides on the 10d U. WV s a serew Whieh passes through the rod B and presses against ami ourves the end of the spring V. IVhen the front end of the pedal D i's pressed down to che dotted lines the 10We1" end of the angie G is rased and the upper end of the angle is moved back to the dotted lines and the end of the 10d R is pushed against the upper end of tbe prong L. The curved end of the sfide V strikes the adjustment 1'0d U and raises the end of the rod R away fxom the prong L which vibrates under ii) until the pedal D is released when the spring O brings the angle G, che rod R. and the pedal D into their original positions. In coming baek into the first; position the end of the 1od R strikes the vibrating end of the prong L and stops the remaining vibrations thus performing the part of a damper. By turning the adjustment screw W. to the right 01 farther through the rod R it curves che slide spring V and the rod R pushes the vibrating end of che prong a less distance before ibis raised and asofter tone is produced and when it is turned to the left the spring V is curved less and. the rod R pushes the prong L farther before ic is mised thus produeing a loudertone. By turning che adjustnrent screw X on the angle G the end of the rod R can be moved nearer to 01 farther from tbe prong L. This method of produeing a tone With the movement of a pedal may be used for the entire set of pedals or through an entire scale. The tones may be of any desired pitch and are made to correspond in pitch with an ordinary piano 01 organ. The end of che rod R which eomes in contaet With the prong L is covered With soft Ieather or felt. (Jasters are placed under the piano and handles on the ends to move it easily.

What I elaim as my invention is:-

In a pedal piano a mechanical push and damper aetion eonsistng of the pedals D the angles G and the rods Rand U togetherwth the springs O aud T and the adjustments X. Y. and V. W. as described.

CHARLES N. RAND.

Vitnesses:

HENRY MEANS, E. P. SPENCER.

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