Vibratory Bridge for Stringed Musical Instruments (Patent No: 459933)

Inventor: Watts, Roy W.

Location: Calgary

Comments: N/A

Description: Roy W. Watts, Calgary, Alberta, Canada.
Application October 7. 1946 Serial No. 548,852
1 Claim

Claim.—In a bridge for stringed musical instruments having an upper and a lower portion held together by the stretched strings of the instrument and with loosely fitting dowel pins, and having a longitudinal groove along the centre of each meeting face of the said two portions, and lateral grooves cutting through said longitudinal grooves in each said portion, and also comprising a rotatable bar member fitting loosely in said longitudinal grooves, projecting lugs on both sides of said bar member opposedly directioned upwardly and downwardly, as means for lifting said upper bridge portion on rotation of said bar member against the pressure of the strings, and a bent lever arm extending angularly from one end of said bar member by which its partial rotation is effected when intermittently pressed by hand.