Pedal board for musical instruments

Details Pedal board for musical instruments Pedal board for musical instruments

1990-03-14

1992-02-25

Broome, Harold

Electricity: circuit makers and breakers

Foot operated

200 5A, 84434, H01H 314, H01H 926, B26D 706

Patent

active

050916130

ABSTRACT:
A pedal board for musical instruments. Pedal mounting, guide, and electrical switch mechanisms are provided in a pedal board for an electronic organ. Each pedal is mounted by a cylindrical pin attached to the back end of the pedal and to the base of the pedal board by an interference fit. A similar, guide pin is attached to the front end of the pedal by an interference fit. The guide pin fits loosely in an aperture which limits lateral movement of the pin and, thence, of the pedal itself. The lower end of the guide pin actuates an elastomeric electric switch when the pedal is pressed down. The elastomeric electric switch is mounted on a printed circuit board, and includes a chamber having a bell-shaped wall attached to a support strip by weakened edges and enclosed at the bottom by a diaphragm carrying a conductive element. The conductive element shorts contacts on the printed circuit board when the chamber is compressed by the guide pin. Pedal board tension and resiliency is provided by the mounting pin.

REFERENCES:
patent: 998192 (1911-07-01), Mayor
patent: 3254554 (1966-06-01), Nordquist
patent: 4490587 (1984-12-01), Miller et al.
Walker Technical Company, Letter Feb. 12, 1990, 6610 Crown Lane, Zionsville, Pa. 18092.

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